Re: Master/Slave

2020-10-08 Thread Eric Pugh
2020, at 2:54 AM, Jan Høydahl wrote: >> >> The API that enables master/slave is the ReplicationHandler, where the >> follower (slave) pulls index files from leader (master). >> This same API is used in SolrCloud for the PULL replica type, and also as a >> fallback for ful

Re: Master/Slave

2020-10-08 Thread Erick Erickson
t 2:54 AM, Jan Høydahl wrote: > > The API that enables master/slave is the ReplicationHandler, where the > follower (slave) pulls index files from leader (master). > This same API is used in SolrCloud for the PULL replica type, and also as a > fallback for full recovery if tran

Re: Master/Slave

2020-10-07 Thread Jan Høydahl
The API that enables master/slave is the ReplicationHandler, where the follower (slave) pulls index files from leader (master). This same API is used in SolrCloud for the PULL replica type, and also as a fallback for full recovery if transaction log is not enough. So I don’t see it going away

RE: Master/Slave

2020-10-06 Thread Oakley, Craig (NIH/NLM/NCBI) [C]
> it better not ever be depreciated. it has been the most reliable mechanism > for its purpose I would like to know whether that is the consensus of Solr developers. We had been scrambling to move from Master/Slave to CDCR based on the assertion that CDCR support would last far longe

Re: Master/Slave

2020-09-30 Thread Walter Underwood
d, Sep 30, 2020 at 2:58 PM Oakley, Craig (NIH/NLM/NCBI) [C] > wrote: > >> Based on the thread below (reading "legacy" as meaning "likely to be >> deprecated in later versions"), we have been working to extract ourselves >> from Master/Slave replication >

Re: Master/Slave

2020-09-30 Thread David Hastings
>whether we should expect Master/Slave replication also to be deprecated it better not ever be depreciated. it has been the most reliable mechanism for its purpose, solr cloud isnt going to replace standalone, if it does, thats when I guess I stop upgrading or move to elastic On Wed, Sep

Master/Slave

2020-09-30 Thread Oakley, Craig (NIH/NLM/NCBI) [C]
Based on the thread below (reading "legacy" as meaning "likely to be deprecated in later versions"), we have been working to extract ourselves from Master/Slave replication Most of our collections need to be in two data centers (a read/write copy in one local data center: t

RE: Getting rid of Master/Slave nomenclature in Solr

2020-08-07 Thread Jamie Gruener
e.org Subject: Re: Getting rid of Master/Slave nomenclature in Solr Here is some of the work I did to remedy this effort before I knew about this email: https://github.com/apache/lucene-solr/pull/1712 https://issues.apache.org/jira/browse/SOLR-14702page=com.atlassian.jira.plugin.system.issuetabp

Re: Getting rid of Master/Slave nomenclature in Solr

2020-08-05 Thread Marcus Eagan
s me sick to read master/slave and this issue has alienated a buddy I've tried to recruit to volunteer on the project. All comments welcome, but please read the above docs as I will review this email thread now to understand what has already been discussed. I put in a lot of work to get t

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-29 Thread Bram Van Dam
On 28/06/2020 14:42, Erick Erickson wrote: > We need to draw a sharp distinction between standalone “going away” > in terms of our internal code and going away in terms of the user > experience. It'll be hard to make it completely transparant in terms of user experience. For instance, tere is curr

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-29 Thread Mark H. Wood
Wandering off topic, but still apropos Solr. On Sun, Jun 28, 2020 at 12:14:56PM +0200, Ilan Ginzburg wrote: > I disagree Ishan. We shouldn't get rid of standalone mode. > I see three layers in Solr: > >1. Lucene (the actual search libraries) >2. The server infra ("standalone Solr" basical

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-29 Thread Jan Høydahl
@uni-bielefeld.de> wrote: >>>>>> >>>>>>> I'm following this thread now for a while and I can understand >>>>>>> the wish to change some naming/wording/speech in one or the other >>>>>>> programs but I alw

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-28 Thread Erick Erickson
>>> programs but I always get back to the one question: >>>>>> "Is it the weapon which kills people or the hand controlled by >>>>>> the mind which fires the weapon?" >>>>>> >>>>>> The thread started with slav

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-28 Thread Ishan Chattopadhyaya
er to master >> > > > and followed by leader (for me as a german... you know). >> > > > What will come next? >> > > > >> > > > And more over, we now discuss about changes in the source code and >> > > > due to this there need t

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-28 Thread Ishan Chattopadhyaya
mentation. > > > > What about the books people wrote about this programs and source > code, > > > > should we force this authors to rewrite their books? > > > > May be we should file a request to all web search engines to reject > > > > all stored content about these "banned" words? > > > > And contact all web hosters about providing bad content. > > > > > > > > To sum things up, within my 40 years of computer science and writing > > > > programs I have never had a nanosecond any thoughts about words > > > > like master, slave, leader, ... other than thinking about computers > > > > and programming. > > > > > > > > Just my 2 cents. > > > > > > > > For what it is worth, I tend to guide/follower if there "must be" any > > > > changes. > > > > > > > > Bernd > > > > > > > > > >

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-28 Thread Ilan Ginzburg
entation. > > > What about the books people wrote about this programs and source code, > > > should we force this authors to rewrite their books? > > > May be we should file a request to all web search engines to reject > > > all stored content about these "

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-27 Thread Ishan Chattopadhyaya
> > And contact all web hosters about providing bad content. > > > > To sum things up, within my 40 years of computer science and writing > > programs I have never had a nanosecond any thoughts about words > > like master, slave, leader, ... other than thinking about computers > > and programming. > > > > Just my 2 cents. > > > > For what it is worth, I tend to guide/follower if there "must be" any > > changes. > > > > Bernd > > >

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-24 Thread Mike Drob
eir books? > May be we should file a request to all web search engines to reject > all stored content about these "banned" words? > And contact all web hosters about providing bad content. > > To sum things up, within my 40 years of computer science and writing > program

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-24 Thread Emir Arnautović
020, at 15:19, Mark H. Wood wrote: > > On Wed, Jun 24, 2020 at 12:45:25PM +0200, Jan Høydahl wrote: >> Master/slave and standalone are used interchangably to mean zk-less Solr. I >> have a feeling that master/slave is the more popular of the two, but >> personally I have

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-24 Thread Mark H. Wood
On Wed, Jun 24, 2020 at 12:45:25PM +0200, Jan Høydahl wrote: > Master/slave and standalone are used interchangably to mean zk-less Solr. I > have a feeling that master/slave is the more popular of the two, but > personally I have been using both. I've been trying to stay quiet a

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-24 Thread Jörn Franke
ese "banned" words? > And contact all web hosters about providing bad content. > > To sum things up, within my 40 years of computer science and writing > programs I have never had a nanosecond any thoughts about words > like master, slave, leader, ... other than thinking about

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-24 Thread Bernd Fehling
n my 40 years of computer science and writing programs I have never had a nanosecond any thoughts about words like master, slave, leader, ... other than thinking about computers and programming. Just my 2 cents. For what it is worth, I tend to guide/follower if there "must be" any changes. Bernd

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-24 Thread Jan Høydahl
Master/slave and standalone are used interchangably to mean zk-less Solr. I have a feeling that master/slave is the more popular of the two, but personally I have been using both. Jan > 24. jun. 2020 kl. 06:34 skrev Noble Paul : > > Do we even call it the master/slave mode? I thought

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-24 Thread Paras Lehana
Distributer/Fetcher? On Wed, 24 Jun 2020 at 10:04, Noble Paul wrote: > Do we even call it the master/slave mode? I thought we had 2 modes > > * Standalone mode > * SolrCloud mode > > On Wed, Jun 24, 2020 at 3:00 AM Tomás Fernández Löbbe > wrote: > > > > I ag

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-23 Thread Noble Paul
Do we even call it the master/slave mode? I thought we had 2 modes * Standalone mode * SolrCloud mode On Wed, Jun 24, 2020 at 3:00 AM Tomás Fernández Löbbe wrote: > > I agree in general with what Trey and Jan said and have suggested. I > personally like to use "leader/follower&qu

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-23 Thread Tomás Fernández Löbbe
f the architecture needs to be renamed. We tend to refer to "SolrCloud mode" and "Master/Slave mode", the main part in all this (IMO) is to change that "mode" name. I kind of like Trey's suggestion of "Managed Clustering" vs. "Manual Clustering" Mo

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-19 Thread Walter Underwood
> On Jun 19, 2020, at 7:48 AM, Phill Campbell > wrote: > > Delegator - Handler > > A common pattern we are all aware of. Pretty simple. The Solr master does not delegate and the slave does not handle. The master is a server that handles replication requests from the slave. Delegator/handler i

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-19 Thread David Cumings
following is just me recapping the conversation that has > happened so far. > > Some members of the community have been discussing getting rid of the > master/slave nomenclature from Solr. > > While this may require a non-trivial effort, a general consensus so far > seems to be to s

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-19 Thread Jörn Franke
Might be confusing with the nested doc terminology > Am 19.06.2020 um 20:14 schrieb Atita Arora : > > I see so many topics being discussed in this thread and I literary got lost > somewhere , but was just thinking can we call it Parent -Child > architecture, m sure no one will raise an objectio

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-19 Thread Atita Arora
I see so many topics being discussed in this thread and I literary got lost somewhere , but was just thinking can we call it Parent -Child architecture, m sure no one will raise an objection there. Although, looking at comments above I still feel it would be a bigger effort to convince everyone th

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-19 Thread Mark H. Wood
On Fri, Jun 19, 2020 at 09:22:49AM -0400, j.s. wrote: > On 6/18/20 9:50 PM, Rahul Goswami wrote: > > So +1 on "slave" being the problematic term IMO, not "master". > > but you cannot have a master without a slave, n'est-ce pas? Well, yes. In education: Master of Science, Arts, etc. In law: Spe

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-19 Thread Phill Campbell
The entire idea of removing a word out of our language is problematic. There will have to be a lot of history books that detail the terrible conditions of peoples over recorded history changed, or removed. I find the “F” word extremely offensive. I find references to Deity while cursing extremel

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-19 Thread Ilan Ginzburg
+1 to Jan's "clustered" vs "non clustered". If we clean up terminology, I suggest we also clarify the meaning and use of Slice vs Shard vs Leader vs Replica vs Core. Here's my understanding: I consider Slice == Shard (and would happily drop Slice): a logical concept of a specific subset of a coll

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-19 Thread j.s.
hi solr is very helpful. On 6/18/20 9:50 PM, Rahul Goswami wrote: So +1 on "slave" being the problematic term IMO, not "master". but you cannot have a master without a slave, n'est-ce pas? i think it is better to use the metaphor of copying rather than one of hierarchy. language has so many

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-19 Thread Jan Høydahl
the first MySql crashes, the cron script would start failing and it would not recover, until you manually decide in your APP that the «replica» is to become «leader». Solr Master/Slave is the same, nothing is really clustered from the application’s point of view. So perhaps just Alt G: "

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-18 Thread gnandre
Another alternative for master-slave nodes might be parent-child nodes. This was adopted in Python too afaik. On Fri, Jun 19, 2020, 2:07 AM gnandre wrote: > What about blacklist and whitelist for shards? May I suggest blocklist and > safelist? > > On Fri, Jun 19, 2020, 1:45 AM Tho

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-18 Thread gnandre
t; On Thu, Jun 18, 2020 at 8:19 PM Phill Campbell > > > wrote: > > > > > >> Master - Worker > > >> Master - Peon > > >> Master - Helper > > >> Master - Servant > > >> > > >> The term that is not wanted is “slave’. The te

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-18 Thread Thomas Corthals
8:19 PM Phill Campbell > > wrote: > > > >> Master - Worker > >> Master - Peon > >> Master - Helper > >> Master - Servant > >> > >> The term that is not wanted is “slave’. The term “master” is not a > problem > >> IMO. > >> &

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-18 Thread Oakley, Craig (NIH/NLM/NCBI) [C]
icial to broaden the range of candidates. From: Walter Underwood Sent: Thursday, June 18, 2020 10:34 PM To: solr-user@lucene.apache.org Subject: Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr We don’t get to decide whether “master” is a problem. The rest of the world has already de

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-18 Thread Walter Underwood
whatever state was broken, but it was pretty much turning it off and on again. That kind of thing just cannot happen with master/slave. Not sure about “manual”. We do a lot more manual management of our Solr Cloud clusters. Scaling out the master/slave cluster is stupid simple. Bring up a clone of a

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-18 Thread Trey Grainger
e people have been calling it "master/slave" mode in lieu of a more descriptive alternative. I think a new name (other than "standalone" or "legacy") would be superb. We have also discussed replacing SolrCloud (which is a terrible name) with > something more descripti

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-18 Thread Walter Underwood
ell > wrote: > >> Master - Worker >> Master - Peon >> Master - Helper >> Master - Servant >> >> The term that is not wanted is “slave’. The term “master” is not a problem >> IMO. >> >>> On Jun 18, 2020, at 3:59 PM, Jan Høydahl wrot

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-18 Thread Rahul Goswami
ant > > The term that is not wanted is “slave’. The term “master” is not a problem > IMO. > > > On Jun 18, 2020, at 3:59 PM, Jan Høydahl wrote: > > > > I support Mike Drob and Trey Grainger. We shuold re-use the > leader/replica > > terminology from Cloud. Ev

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-18 Thread Phill Campbell
inology from Cloud. Even if you hand-configure a master/slave cluster > and orchestrate what doc goes to which node/shard, and hand-code your shards > parameter, you will still have a cluster where you’d send updates to the > leader of > each shard and the replicas would replicate t

Re: [EXTERNAL] Getting rid of Master/Slave nomenclature in Solr

2020-06-18 Thread Jan Høydahl
I support Mike Drob and Trey Grainger. We shuold re-use the leader/replica terminology from Cloud. Even if you hand-configure a master/slave cluster and orchestrate what doc goes to which node/shard, and hand-code your shards parameter, you will still have a cluster where you’d send updates to the

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-18 Thread Chris Hostetter
First off: Forgive me if my comments/questions are redundent or uninformed bsaed o nthe larger discussion taking place. I have not caught up on the whole thread before replying -- but that's solely based on a lack of time on my part, not a lack of willingness to embrace this change. >From

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-18 Thread Walter Underwood
Actually, the term “master” is a problem, so master/follower doesn’t work. GitLab is renaming the master branch to main. Rice University renamed College Masters to College Magisters in 2017. wunder Walter Underwood wun...@wunderwood.org http://observer.wunderwood.org/ (my blog) > On Jun 18, 20

Re: [EXTERNAL] Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-18 Thread Mike Drob
Jun 18, 2020 at 8:48 AM Jason Gerlowski > wrote: > > > +1 to rename master/slave, and +1 to choosing terminology distinct > > from what's used for SolrCloud. I could be happy with several of the > > proposed options. Since a good few have been proposed though, maybe &g

Re: [EXTERNAL] Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-18 Thread John Gallagher
While on the topic of renaming roles, I'd like to propose finding a better term than "overseer" which has historical slavery connotations as well. Director, perhaps? John Gallagher On Thu, Jun 18, 2020 at 8:48 AM Jason Gerlowski wrote: > +1 to rename master/slave,

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-18 Thread Mark H. Wood
Primary / satellite? -- Mark H. Wood Lead Technology Analyst University Library Indiana University - Purdue University Indianapolis 755 W. Michigan Street Indianapolis, IN 46202 317-274-0749 www.ulib.iupui.edu signature.asc Description: PGP signature

Re: [EXTERNAL] Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-18 Thread Jason Gerlowski
+1 to rename master/slave, and +1 to choosing terminology distinct from what's used for SolrCloud. I could be happy with several of the proposed options. Since a good few have been proposed though, maybe an eventual vote thread is the most organized way to aggregate the opinions here. I&#

RE: [EXTERNAL] Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-18 Thread Demian Katz
s at different points in time. - Demian -Original Message- From: Noble Paul Sent: Thursday, June 18, 2020 1:51 AM To: solr-user@lucene.apache.org Subject: [EXTERNAL] Re: Getting rid of Master/Slave nomenclature in Solr Looking at the code I see a 692 occurrences of the word "slave&

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-18 Thread Atita Arora
+1 Noble and Ilan !! On Thu, Jun 18, 2020 at 7:51 AM Noble Paul wrote: > Looking at the code I see a 692 occurrences of the word "slave". > Mostly variable names and ref guide docs. > > The word "slave" is present in the responses as well. Any change in > the request param/response payload is

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-17 Thread Noble Paul
Looking at the code I see a 692 occurrences of the word "slave". Mostly variable names and ref guide docs. The word "slave" is present in the responses as well. Any change in the request param/response payload is backward incompatible. I have no objection to changing the names in ref guide and ot

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-17 Thread Ilan Ginzburg
Would master/follower work? Half the rename work while still getting rid of the slavery connotation... On Thu 18 Jun 2020 at 07:13, Walter Underwood wrote: > > On Jun 17, 2020, at 4:00 PM, Shawn Heisey wrote: > > > > It has been interesting watching this discussion play out on multiple > open

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-17 Thread Walter Underwood
> On Jun 17, 2020, at 4:00 PM, Shawn Heisey wrote: > > It has been interesting watching this discussion play out on multiple open > source mailing lists. On other projects, I have seen a VERY high level of > resistance to these changes, which I find disturbing and surprising. Yes, it is nice

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-17 Thread Walter Underwood
Master/slave is not going away in our company. That cluster has zero downtime in five years. I can’t say that about our Solr Cloud clusters. wunder Walter Underwood wun...@wunderwood.org http://observer.wunderwood.org/ (my blog) > On Jun 17, 2020, at 9:36 PM, Noble Paul wrote: > > I

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-17 Thread Noble Paul
I really do not see a reason why a master/slave terminology is a problem. We do not have slavery anywhere in the world. Should we also remove it from the dictionary? The old mode is going to go away anyway. Why waste time bikeshedding on this? On Thu, Jun 18, 2020, 12:04 PM Trey Grainger wrote

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-17 Thread Trey Grainger
e both just pull the index from the leader/master and as opposed to updates being pushed the other way. As such, I don't see a meaningful distinction between master/slave and leader/follower behavior in non-SolrCloud mode vs. SolrCloud mode for the specific functionality we're talking about rena

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-17 Thread Michael Gibney
become leader. If that happens, then it > functions exactly like an NRT leader. > > I'm aware that saying the following is bikeshedding ... but I do think > it would be as mistake to use any existing SolrCloud terminology for > non-cloud deployments, including the word &quo

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-17 Thread Scott Cote
ld be as mistake to use any existing SolrCloud terminology for non-cloud deployments, including the word "replica".  The top contenders I have seen to replace master/slave in Solr are primary/secondary and publisher/subscriber. It has been interesting watching this discussion play out

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-17 Thread Shawn Heisey
ld be as mistake to use any existing SolrCloud terminology for non-cloud deployments, including the word "replica". The top contenders I have seen to replace master/slave in Solr are primary/secondary and publisher/subscriber. It has been interesting watching this discussion play

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-17 Thread Walter Underwood
Master/slave is not just two roles, but a kind of cluster. I really don’t think “Standalone” captures the non-Cloud cluster. Nobody in Chegg would have any idea that “standalone” meant “no Zookeeper”. I’ve never thought that master/slave accurately described the traditional replication model

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-17 Thread Trey Grainger
gt; >> > wrote: >> > >> >> I strongly disagree with using the Solr Cloud leader/follower >> terminology >> >> for non-Cloud clusters. People in my company are confused enough >> without >> >> using polysemous terminology. >> >>

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-17 Thread Trey Grainger
but it means something different than the > leader > >> in this other cluster.” I’m dreading that conversation. > >> > >> I like “principal”. How about “clone” for the slave role? That suggests > >> that > >> it does not accept updates and that i

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-17 Thread Sameer Maggon
+1 for simplifying and using the Leader/Follower Terminology. Our company operates both SolrCloud, Standalone Solr, and Master/Slave Configurations, outside of the Solr Developer community, it's painful and confusing to talk about Master/Slave and Leader/Replica. It would be easier if we ha

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-17 Thread Walter Underwood
> it does not accept updates and that it is loosely-coupled, only depending >> on the state of the no-longer-called-master. >> >> Chegg has five production Solr Cloud clusters and one production >> master/slave >> cluster, so this is not a hypothetical for us. We have 10

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-17 Thread gnandre
e? That suggests > > > that > > > it does not accept updates and that it is loosely-coupled, only > depending > > > on the state of the no-longer-called-master. > > > > > > Chegg has five production Solr Cloud clusters and one production > > > m

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-17 Thread Trey Grainger
coupled, only depending > on the state of the no-longer-called-master. > > Chegg has five production Solr Cloud clusters and one production > master/slave > cluster, so this is not a hypothetical for us. We have 100+ Solr hosts in > production. > > wunder > Walter Underwood &g

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-17 Thread Rahul Goswami
. How about “clone” for the slave role? That suggests > > that > > it does not accept updates and that it is loosely-coupled, only depending > > on the state of the no-longer-called-master. > > > > Chegg has five production Solr Cloud clusters and one production > >

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-17 Thread Atita Arora
. How about “clone” for the slave role? That suggests > that > it does not accept updates and that it is loosely-coupled, only depending > on the state of the no-longer-called-master. > > Chegg has five production Solr Cloud clusters and one production > master/slave > cluster,

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-17 Thread Walter Underwood
conversation. I like “principal”. How about “clone” for the slave role? That suggests that it does not accept updates and that it is loosely-coupled, only depending on the state of the no-longer-called-master. Chegg has five production Solr Cloud clusters and one production master/slave cluster, so

Re: Getting rid of Master/Slave nomenclature in Solr

2020-06-17 Thread Trey Grainger
eader/Follower usage while also being able to easily accomodate a rename of the historical master/slave terminology without mental gymnastics or the introduction or more cognitive load through new terminology. I think adopting the Primary/Replica terminology will be incredibly confusing given the alr

Getting rid of Master/Slave nomenclature in Solr

2020-06-17 Thread Anshum Gupta
Hi everyone, Moving a conversation that was happening on the PMC list to the public forum. Most of the following is just me recapping the conversation that has happened so far. Some members of the community have been discussing getting rid of the master/slave nomenclature from Solr. While this

Re: Master Slave Terminology

2020-06-17 Thread Walter Underwood
I’ve long thought that master/slave was not the right metaphor for a pull model anyway. We probably should not use “replica” since that already has a use in Solr Cloud. Where is the discussion? wunder Walter Underwood wun...@wunderwood.org http://observer.wunderwood.org/ (my blog) > On

Re: Master Slave Terminology

2020-06-17 Thread Doug Turnbull
+1 to name change. Also 'overseer' which doesn't go well with Master/Slave! On Wed, Jun 17, 2020 at 11:16 AM David Smiley wrote: > priv...@lucene.apache.org but it should have been public and expect it to > spill out to the dev list today. > > ~ David > > > O

Re: Master Slave Terminology

2020-06-17 Thread David Smiley
; but > > incremental. > > Also, if you want to lend a helping hand, patches are more than welcome > as > > always. > > > > Jan > > > > > 17. jun. 2020 kl. 04:22 skrev Kayak28 : > > > > > > Hello, Community: > > > > > &g

Re: Master Slave Terminology

2020-06-17 Thread Mike Drob
gt; > As the Github and Python will replace terminologies that relative to > > slavery, > > why don't we replace master-slave for Solr as well? > > > > https://developers.srad.jp/story/18/09/14/0935201/ > > > https://developer-tech.com/news/2020/jun/15/githu

Re: Master Slave Terminology

2020-06-16 Thread Jan Høydahl
k28 : > > Hello, Community: > > As the Github and Python will replace terminologies that relative to > slavery, > why don't we replace master-slave for Solr as well? > > https://developers.srad.jp/story/18/09/14/0935201/ > https://developer-tech.com/news/2020/jun/15/

Master Slave Terminology

2020-06-16 Thread Kayak28
Hello, Community: As the Github and Python will replace terminologies that relative to slavery, why don't we replace master-slave for Solr as well? https://developers.srad.jp/story/18/09/14/0935201/ https://developer-tech.com/news/2020/jun/15/github-replace-slavery-terms-master-whit

Re: Does Solr master/slave support shard split

2020-05-21 Thread Pushkar Raste
Thanks Eric. Moving to SolrCloud for splitting is what I too imagined 😐 On Thu, May 21, 2020 at 1:28 PM Erick Erickson wrote: > In a word, “no”. It’s a whole ’nother architecture to deal > with shards, and stand-alone (i.e. master/slave) has no > concept of that. > > You coul

Re: Does Solr master/slave support shard split

2020-05-21 Thread Erick Erickson
In a word, “no”. It’s a whole ’nother architecture to deal with shards, and stand-alone (i.e. master/slave) has no concept of that. You could make a single-shard collection in SolrCloud, copy the index to the right place (I’d shut down Solr while I copied it), and then use SPLITSHARD on it, but

Does Solr master/slave support shard split

2020-05-21 Thread Pushkar Raste
Hi, Does Solr support shard split in the master/slave setup. I understand that there is no shard concept is master/slave and we just have cores but can we split a core into two. If yes is there way to specify new mapping based on the unique key. -- — Pushkar Raste

replication error solr 7.7 simple master/slave no cloud

2019-07-05 Thread Jeff Courtade
Hi we have a new setup of solr 7.7 without cloud in a master/slave setup Periodically our core stops responding to queries and must be restarted on the slave. Two hosts is06 solr 7.7 master ss06 solr 7.7 slave simple replication is setup no solr cloud so on the primary is06 we see this error

Re: Different Parsed query for solr cloud and master slave with same solr version

2019-04-23 Thread Shawn Heisey
On 4/23/2019 2:04 AM, Anant Bhargatiya wrote: We are migrating from solr 5.5 master slave to solr 8.0 cloud deployment. for exactly same index and config, we are getting different results. We'll need to see the configs you are working with as well as the raw and parsed queries from

Different Parsed query for solr cloud and master slave with same solr version

2019-04-23 Thread Anant Bhargatiya
Hello, We are migrating from solr 5.5 master slave to solr 8.0 cloud deployment. for exactly same index and config, we are getting different results. we also compared solr cloud (solr 8.0) and master slave (solr 8.0) with same indexed data. in all of above scenario we observed that different

Re: Master Slave Replication Issue

2018-11-12 Thread Erick Erickson
Hmmm, afraid I'm out of my depth, perhaps some of the Lucene folks can chime in. Sorry I can't be more help. Erick On Mon, Nov 12, 2018 at 12:27 AM damian.pawski wrote: > > Hi > > I had to re-create the index as some tokenizers are not longer supported on > the 7.x version. > I have a fresh 7.x

Re: Master Slave Replication Issue

2018-11-12 Thread damian.pawski
Hi I had to re-create the index as some tokenizers are not longer supported on the 7.x version. I have a fresh 7.x index. Thank you Damian -- Sent from: http://lucene.472066.n3.nabble.com/Solr-User-f472068.html

Re: Master Slave Replication Issue

2018-11-12 Thread damian.pawski
Hi I had to re-create the index, as some Tokenizers are no longer supported on 7.X, so I have a fresh 7.x index, but still having issues with the replication. Thank you Damian -- Sent from: http://lucene.472066.n3.nabble.com/Solr-User-f472068.html

Re: Master Slave Replication Issue

2018-11-09 Thread Erick Erickson
Damian: You say you've switched from 5x to 7x. Did you try to use an index created with 5x or did you index fresh with 7x? Solr/Lucene do not guarantee backward compatibility across more than one major version. Best, Erick On Fri, Nov 9, 2018 at 2:34 AM damian.pawski wrote: > > Hi, > We have swi

Re: Master Slave Replication Issue

2018-11-09 Thread damian.pawski
Hi, We have switched from 5.4 to 7.2.1 and we have started to see more issues with the replication. I think it may be related to the fact that a delta import was started during a full import (not the case for the Solr 5.4). I am getting below error: XXX: java.lang.IllegalArgumentException:java.l

Solr 7.2.1 Master-slave replication Issue

2018-06-14 Thread Nitin Kumar
Hi, Facing issue in Solr 7.2.1 Master-slave replication, Master-slave replication is working fine. But if I disable replication from master, Slaves shows no data (numFound=0). Slave in not serving data, it had before replication. I suspect, Index generation is getting updated in slave, which was

Re: Replicate managed-schema in Solr Master/Slave Configuration

2018-05-31 Thread Erick Erickson
ts as each Core > has its own unique Schema. > > Regards, > > Kelly > > -Original Message- > From: Erick Erickson > Sent: Thursday, May 31, 2018 8:50 PM > To: solr-user > Subject: Re: Replicate managed-schema in Solr Master/Slave Configuration > &g

RE: Replicate managed-schema in Solr Master/Slave Configuration

2018-05-31 Thread Kelly Rusk
-Original Message- From: Erick Erickson Sent: Thursday, May 31, 2018 8:50 PM To: solr-user Subject: Re: Replicate managed-schema in Solr Master/Slave Configuration On a quick glance at the code, I don't see anything requiring an xml extension for the managed schema. I suppose it'

Re: Replicate managed-schema in Solr Master/Slave Configuration

2018-05-31 Thread Erick Erickson
JIRA. Best, Erick On Thu, May 31, 2018 at 3:35 PM, Kelly Rusk wrote: > Hello all, > I need to replicate the managed-schema in my Solr 6.6.2 Master/Slave > environment and have added the necessary replication handlers. However, as > the managed-schema does not have a file extension

Replicate managed-schema in Solr Master/Slave Configuration

2018-05-31 Thread Kelly Rusk
Hello all, I need to replicate the managed-schema in my Solr 6.6.2 Master/Slave environment and have added the necessary replication handlers. However, as the managed-schema does not have a file extension it doesn't seem to get picked up/replicated: schema.xml,managed-schema,stopwords.tx

RE: Solr 6.6.2 Master/Slave SSL Replication Error

2018-04-23 Thread Kelly Rusk
cause it already exists in the store! Thanks, Kelly -Original Message- From: Kelly Rusk [mailto:kelly.r...@rackspace.com] Sent: Sunday, April 22, 2018 8:51 PM To: solr-user@lucene.apache.org; solr-user@lucene.apache.org Subject: Re: Solr 6.6.2 Master/Slave SSL Replication Error Makes p

Re: Solr 6.6.2 Master/Slave SSL Replication Error

2018-04-22 Thread Kelly Rusk
Makes perfect sense! Should I use the key tool to import the Certs? If so, do you have an example you prefer or should I just pull from the docs? Regards, Kelly _ From: Shawn Heisey Sent: Sunday, April 22, 2018 8:40 PM Subject: Re: Solr 6.6.2 Master/Slave SSL

Re: Solr 6.6.2 Master/Slave SSL Replication Error

2018-04-22 Thread Shawn Heisey
On 4/22/2018 6:27 PM, Kelly Rusk wrote: Thanks for the assistance. The Master Server has a self-signed Cert with its machine name, and the Slave has a self-signed Cert with its machine name. They have identical configurations, and I created a keystore per server. Should I import the self-signe

Re: Solr 6.6.2 Master/Slave SSL Replication Error

2018-04-22 Thread Kelly Rusk
keystore? Or are you stating that I need to copy the keystore over to the Slave instead of having the one I created? Regards, Kelly _ From: Shawn Heisey Sent: Sunday, April 22, 2018 7:56 PM Subject: Re: Solr 6.6.2 Master/Slave SSL Replication Error To: On 4/22/2018 4

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