(JOB) MySQL DBA in Denmark

2025-06-04 Thread James Tobin
Hello, I am working with an employer that is looking to hire a MySQL DBA in Denmark. Consequently, I had hoped that some members of this list may like to discuss. I can be reached using "JamesBTobin (at) Gmail (dot) Com". Kind regards, James

Kleppmann's idea of data loss - is it valid?

2024-10-29 Thread Mike James
https://martin.kleppmann.com/2017/01/26/data-loss-in-large-clusters.html Is this article based on any experimental data? What are the real-world stats on probability of data loss in large clusters. A discussion of this is taking place within the company but I wanted to get real-world experiences.

Re: Tombstone Generation in Cassandra 4.1.3 Despite No Update/Delete Operations

2024-10-09 Thread James Shaw
will override table's ttl setting, you may look at a few example data by ttl(pk_column_name), writetime(pk_column_name) from the table. Sometimes, a surprise. Thanks, James On Wed, Oct 9, 2024 at 1:01 AM Jon Haddad wrote: > Are you using collections? > > — > Jon Haddad > R

Re: sstables changing in snapshots

2022-03-22 Thread James Brown
I filed https://issues.apache.org/jira/browse/CASSANDRA-17473 for this thread as a whole. Would you like a separate Jira issue on the matter of documenting how to tell when a snapshot is "ready"? James Brown Infrastructure Architect @ easypost.com On 2022-03-22 at 17:41:23, Di

Re: sstables changing in snapshots

2022-03-22 Thread James Brown
ding that when the nodetool snapshot process finished, the snapshot was done. If that's wrong, it definitely could be that we're just jumping the gun. James Brown Infrastructure Architect @ easypost.com On 2022-03-22 at 10:38:56, Paul Chandler wrote: > Hi Yifan, > > It looks like

Re: sstables changing in snapshots

2022-03-18 Thread James Brown
This in 4.0.3 after running nodetool snapshot that we're seeing sstables change, yes. James Brown Infrastructure Architect @ easypost.com On 2022-03-18 at 12:06:00, Jeff Jirsa wrote: > This is nodetool snapshot yes? 3.11 or 4.0? > > In versions prior to 3.0, sstables would b

sstables changing in snapshots

2022-03-18 Thread James Brown
ng the risk of mutating a snapshot. James Brown Cassandra admin @ easypost.com

Re: [RELEASE] Apache Cassandra 4.0.2 released

2022-02-11 Thread James Brown
a=blob_plain;f=CHANGES.txt;hb=refs/tags/cassandra-4.0.2 > [2]: NEWS.txt > https://gitbox.apache.org/repos/asf?p=cassandra.git;a=blob_plain;f=NEWS.txt;hb=refs/tags/cassandra-4.0.2 > [3]: https://issues.apache.org/jira/browse/CASSANDRA > -- James Brown Engineer

Re: Log4j vulnerability

2021-12-11 Thread James Brown
; Any idea if any of open source Cassandra versions are impacted with log4j > vulnerability which was reported on dec 9th > -- James Brown Engineer

Re: Incremental repairs getting stuck a lot

2021-11-26 Thread James Brown
I filed this as CASSANDRA-17172 <https://issues.apache.org/jira/browse/CASSANDRA-17172> On Fri, Nov 26, 2021 at 5:33 PM Dinesh Joshi wrote: > Could you file a jira with the details? > > Dinesh > > On Nov 26, 2021, at 2:40 PM, James Brown wrote: > >  >

Incremental repairs getting stuck a lot

2021-11-26 Thread James Brown
35 2021-11-26T21:33:20Z cassandra10nuq 129529 | INFO [AntiEntropyStage:1] LocalSessions.java:987 - Received StatusResponse for repair session 3a059b10-4ef6-11ec-925f-8f7bcf0ba035 with state REPAIRING, which is not actionable. Doing nothing. Typically, cancelling the session and rerunning with the exact same command line will succeed. -- James Brown Engineer

Re: Tombstones? 4.0.1

2021-10-14 Thread James Brown
2 > 99% 0.00 0.00 0.00 > 86 2 > Min 0.00 0.00 0.00 > 51 0 > Max 0.00 0.00 0.00 > 86 2 > > Any ideas on what I can do? Thank you! > > -Joe > > -- James Brown Engineer

ShortReadPartitionsProtection

2021-09-17 Thread James Brown
data in this testing cluster, or is something broken? -- James Brown Engineer

state of incremental repairs in cassandra 3.x

2021-09-16 Thread James Brown
performance of incremental repairs, should I just be plotting a 4.0.x upgrade? -- James Brown Engineer

Re: nodetool listsnapshots and auto snapshots from dropped tables

2021-08-10 Thread James Brown
for it -- > https://issues.apache.org/jira/secure/CreateIssue.jspa?pid=12310865? > Cheers! > >> -- James Brown Engineer

nodetool listsnapshots and auto snapshots from dropped tables

2021-08-10 Thread James Brown
skSpaceUsed: 4.8 KiB This is on Cassandra 3.11.11, FWIW. -- James Brown Systems Engineer

sstable processing times

2020-10-23 Thread James A. Robinson
Hi folks, I'm running a job on an offline node to test how long it takes to run sstablesplit several large sstable. I'm a bit dismayed to see it took about 22 hours to process a 1.5 gigabyte sstable! I worry about the 32 gigabyte sstable that is my ultimate target to split. This is running on a

cassandra tracing's source_elapsed microseconds

2020-10-08 Thread James A. Robinson
Hi folks, I've been looking at various articles on the TRACING ON output of cassandra. I'm not finding a definitive description of what the output means. https://docs.datastax.com/en/dse/6.7/cql/cql/cql_reference/cqlsh_commands/cqlshTracing.html says "Note: The source_elapsed column value is the

Re: Cassandra 311x broken on Debian docker images

2020-05-18 Thread James Shaw
ker logs just outputs stderr and stdout. It doesn't show anything more > than what I put in top email > > On Mon, May 18, 2020 at 7:42 PM James Shaw wrote: > >> docker logs ... see any error in docker/container logs ? >> >> On Mon, May 18, 2020 at 10:27 PM Rober

Re: Cassandra 311x broken on Debian docker images

2020-05-18 Thread James Shaw
docker logs ... see any error in docker/container logs ? On Mon, May 18, 2020 at 10:27 PM Robert Snakard wrote: > # cat /var/log/cassandra/system.log > => cat: system.log: No such file or directory > > I've also checked other possible locations. Since this is occurring before > startup no logs

Re: TEST Cluster corrupt after removenode. how to restore

2020-05-18 Thread James Shaw
Do you mean that you want to fix sstable table corrupt error and don't mind the testing data ? You may run nodetool scrub or nodetool upgradesstable -a( -a is re-write to current version). Thanks, James On Mon, May 18, 2020 at 12:54 PM Leena Ghatpande wrote: > Running cassa

Re: Truncate Materialized View

2020-05-15 Thread James Shaw
Surbhi: I don't think you may truncate the materialized view. What exact error got ? If you think it is same as the bug, then you may try to avoid the bug triggered condition. It says pending hints. So you may let all hints applied, then try drop the view. Thanks, James On Fri, M

Re: sstableloader - warning vs. failure?

2020-02-07 Thread James A. Robinson
Ok, thanks very much the answer! On Fri, Feb 7, 2020 at 9:00 PM Erick Ramirez wrote: > INFO [pool-1-thread-4] 2020-02-08 01:35:37,946 NoSpamLogger.java:91 - >> Maximum memory usage reached (536870912), cannot allocate chunk of 1048576 >> > > The message gets logged when SSTables are being cache

sstableloader - warning vs. failure?

2020-02-07 Thread James A. Robinson
Hi folks, When sstableloader hits a very large sstable cassandra may end up logging a message like this: INFO [pool-1-thread-4] 2020-02-08 01:35:37,946 NoSpamLogger.java:91 - Maximum memory usage reached (536870912), cannot allocate chunk of 1048576 The loading process doesn't abort, and the ss

Cassandra and UTF-8 BOM?

2019-10-29 Thread James A. Robinson
Hi folks, I'm looking at a table that has a primary key defined as "publisher_id text". I've noticed some of the entries have what appears to me to be a UTF-8 BOM marker and some do not. https://docs.datastax.com/en/archived/cql/3.3/cql/cql_reference/cql_data_types_c.html says text is a UTF-8 en

n00b q re UPDATE v. INSERT in CQL

2019-10-25 Thread James A. Robinson
Hi folks, I'm working on a clean-up task for some bad data in a cassandra db. The bad data in this case are values with mixed case that will need to be lowercased. In some tables the value that needs to be changed is a primary key, in other cases it is not. >From the reading I've done, the situa

snapshots and 'dot' prefixed _index directories

2019-10-01 Thread James A. Robinson
Hi folks, I took a nodetool snapshot of a keyspace in my cassandra 3.11 cluster and it included directories with a 'dot' prefix (often called a hidden file/directory). As an example: /var/lib/cassandra/data/impactvizor/tableau_notification-04bfb600291e11e7aeab31f0f0e5804b/snapshots/1569974640/.

JOB | Front End React Developer (Lead/Architect) in London, UK

2019-09-10 Thread James Tobin
-list using "JamesBTobin (at) Gmail (dot) Com". Kind regards, James - To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org For additional commands, e-mail: user-h...@cassandra.apache.org

Re: TWCS Compactions & Tombstones

2019-03-26 Thread James Brown
ombstones: > 0.883205790993204613G Mar 26 11:34 mc-254400-big-Data.db > > > What is the best way to do this? This is on a production system so any > help would be greatly appreciated. > > Thanks, > -- James Brown Engineer

Re: Cassandra vnodes Streaming Reliability Calculator

2019-02-16 Thread James Briggs
r message to grep for. 4) Note that Datastax recommends 8 vnodes now. See my blog for the reference. Thanks, James Briggs. -- Cassandra/MySQL DBA. Available in Bay area or remote. cass_top: https://github.com/jamesbriggs/cassandra-top From: Kenneth Brotman To: user@cassandra.apache.org

Cassandra vnodes Streaming Reliability Calculator

2019-02-15 Thread James Briggs
Hi folks. Please check out my online vnodes reliability calculator and reply with any feedback:http://www.jebriggs.com/blog/2019/02/cassandra-vnodes-reliability-calculator/ Thanks, James Briggs. -- Cassandra/MySQL DBA. Available in Bay Area or remote. cass_top: https://github.com/jamesbriggs

Re: Long GC Pauses

2018-11-19 Thread James Briggs
https://docs.datastax.com/en/cassandra/3.0/cassandra/operations/opsTuneJVM.html http://thelastpickle.com/blog/2018/04/11/gc-tuning.html Your cluster: Which version of Java? How much RAM do your systems have?Is it the same on all nodes?What are your current heap settings?Anything else? Thanks, James B

Re: Jepsen testing

2018-11-13 Thread James Briggs
For those relatively new to Cassandra, Riptano is the previous company name for Datastax, back in 2011. :)  http://www.h-online.com/open/news/item/Cassandra-service-company-Riptano-changes-name-to-DataStax.html Thanks, James Briggs. -- Cassandra/MySQL DBA. Available in San Jose area or remote

Re: Cassandra: Inconsistent data on reads (LOCAL_QUORUM)

2018-10-13 Thread James Carman
PM Naik, Ninad wrote: > Thanks James. Yeah, we're using the datastax java driver. But we're on > version 2.1.10.2. And we are not using the client side timestamps. > ------ > *From:* James Carman > *Sent:* Saturday, October 13, 2018 1

Re: Cassandra: Inconsistent data on reads (LOCAL_QUORUM)

2018-10-13 Thread James Carman
Are you using the Java driver? The default timestamp generator is client-side now (since 3.0 I believe), so if you don’t change it, you need your client clocks to be in sync also. On Sat, Oct 13, 2018 at 1:24 PM Naik, Ninad wrote: > Thanks Maitrayee. I should have mentioned this as one of the thi

Re: SNAPSHOT builds?

2018-09-29 Thread James Carman
Okay, cool. So, 4.0.0-SNAPSHOT doesn’t have Java 11 support quite yet? No big deal. Just trying to get ahead of the game and be ready once we have it. Thanks, Jonathan! On Sat, Sep 29, 2018 at 11:16 AM Jonathan Haddad wrote: > Hey James, you’ll have to build it. Java 11 is out but

SNAPSHOT builds?

2018-09-29 Thread James Carman
I am trying to find 4.x SNAPSHOT builds. Are they available anywhere handy? I'm trying to work on Java 11 compatibility for a library. Thanks, James

Re: monitor and alert tool for open source cassandra

2018-09-24 Thread James Shaw
Adam: Thanks! Very helpful. I will take a look. James On Mon, Sep 24, 2018 at 6:59 PM Adam Zegelin wrote: > Hi James, > > Prometheus is the most common monitoring solution for K8s-managed > applications. > > There are a number of options to get Cassandra metrics into

monitor and alert tool for open source cassandra

2018-09-24 Thread James Shaw
/ write latency, read / write time out. Any advice is welcome. I appreciate your help! Thanks, James

Re: Cassandra 2.2.7 Compaction after Truncate issue

2018-08-23 Thread James Shaw
you may go OS level to delete the files.That's what I did before. Truncate action is frequently failed on some remote nodes in a heavy transactions env. Thanks, James On Thu, Aug 23, 2018 at 8:54 PM, Rahul Singh wrote: > David , > > What CL do you set when running this comm

Re: duplicate rows for partition

2018-08-22 Thread James Shaw
can you run this: select associate_degree, writetime( associate_degree ) from user_data where Thanks, James On Wed, Aug 22, 2018 at 7:13 PM, James Shaw wrote: > can you run this: > select writetime( associate_degree ) from user_data where > see what are writetime > >

Re: duplicate rows for partition

2018-08-22 Thread James Shaw
can you run this: select writetime( associate_degree ) from user_data where see what are writetime On Wed, Aug 22, 2018 at 7:03 PM, James Shaw wrote: > interesting. what are insert statement and select statement ? > > Thanks, > > James > > On Wed, Aug 22, 2018 at 6:55

Re: duplicate rows for partition

2018-08-22 Thread James Shaw
interesting. what are insert statement and select statement ? Thanks, James On Wed, Aug 22, 2018 at 6:55 PM, Gosar M wrote: > CREATE TABLE user_data ( > "userid" text, > "secondaryid" text, > "tDate" timestamp, > &quo

Re: JBOD disk failure - just say no

2018-08-20 Thread James Briggs
with JBOD you end up near 100% chance of failure after 3 years or so.4) generally you will not have enough warning of a looming failure with JBOD compared to LVM/RAID. (Somecompanies take a week or two to replace a failed disk.) JBOD is easy to setup, but hard to manage. Thanks, James. From:

JOB | Permanent Java Development Manager (Montreal, Canada)

2018-07-31 Thread James Tobin
an be reached using "JamesBTobin (at) Gmail (dot) Com". Kind regards, James - To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org For additional commands, e-mail: user-h...@cassandra.apache.org

Re: Alter table

2018-07-31 Thread James Shaw
may not get it success. It is similar to rdbms, alter table in a heavy transaction PROD env, may get resource busy error. in non-prod, we always apply new DDL without stop applications, never had issue. Thanks, James On Tue, Jul 31, 2018 at 1:37 AM, Jeff Jirsa wrote: > This is safe (

Re: Re: Data model storage optimization

2018-07-30 Thread James Shaw
user_detail. Just my 2 cents. hope helpful. Thanks, James On Sun, Jul 29, 2018 at 11:20 PM, onmstester onmstester wrote: > > How many rows in average per partition? > > around 10K. > > > Let me get this straight : You are bifurcating your partitions on either > email o

Re: Infinite loop of single SSTable compactions

2018-07-25 Thread James Shaw
... look the largest or oldest one first of course, other factors may be, like disk space, etc also what are compaction_throughput_mb_per_sec in cassandra.yaml Hope it is helpful. Thanks, James On Wed, Jul 25, 2018 at 4:18 AM, Martin Mačura wrote: > Hi, > we have a table which is

Re: Timeout for only one keyspace in cluster

2018-07-23 Thread James Shaw
does your application really need counter ? just an option. Thanks, James On Mon, Jul 23, 2018 at 10:57 AM, learner dba wrote: > Thanks a lot Ben. This makes sense but feel bad that we don't have a > solution yet. We can try consistency level one but that will be against > ge

Re: Cassandra Upgrade with Different Protocol Version

2018-07-05 Thread James Shaw
other concerns: there is no replication between 2.11 and 3.11, store in hints, and replay hints when remote is same version. have to do repair if over window. if read quorum 2/3, will get error. in case rollback to 2.11, can not read new version 3.11 data files, but online rolling upgrade, some

Re: Added a new node, now what repair is best?

2018-07-01 Thread James Shaw
nodetool repair -pr on every node --- covered all ranges of data. On Sun, Jul 1, 2018 at 7:03 AM, Riccardo Ferrari wrote: > Hi list, > > After long time of operation we come to the need of growing our cluster. > This cluster was born on 2.X and almos 2 years ago migrated to 3.0.6 ( I > kno

Client ID logging

2018-05-21 Thread James Lovato
Hi guys, Can standard OSS Cassandra 3 do logging of who connects to it? We have a cluster in 3 DCs and our devs want to see if the client is crossing across DC (even though they have DCLOCAL set from their DS driver). Thanks, James

Re: nodetool repair and compact

2018-04-02 Thread James Shaw
you may use: nodetool upgradesstables -a keyspace_name table_name it will re-write this table's sstable files to current version, while re-writing, will evit droppable tombstones (expired + gc_grace_seconds (default 10 days) ), if partition cross different files, they will still be kept, but most

Re: Adding disk to operating C*

2018-03-10 Thread James Shaw
de), read latency is 0.4 ms/op. Of course, if cassandra used for reporting, that is different. Thanks, James On Sat, Mar 10, 2018 at 7:55 AM, Rahul Singh wrote: > My 1.5T bound is for high throughput for read and write with hundreds of > nodes — specifically with needs for quick bootstra

Re: uneven data movement in one of the disk in Cassandra

2018-03-09 Thread James Shaw
per my testing, repair not help. repair build Merkle tree to compare data, it only write to a new file while have difference, very very small file at the end (of course, means most data are synced) On Fri, Mar 9, 2018 at 10:31 PM, Madhu B wrote: > Yasir, > I think you need to run full repair in

Re: uneven data movement in one of the disk in Cassandra

2018-03-09 Thread James Shaw
wait long time for next compaction. You may test ( sorry, not in my case, so I am not 100% sure) 1) if new cassandra 3.0, you may try nodetool compact -s ( it will split ) 2) if old cassandra version, stop cassandra, use sstbalesplit Hope it helps Thanks, James On Fri, Mar 9, 2018 at 7:14

Re: Cassandra Needs to Grow Up by Version Five!

2018-02-19 Thread James Briggs
Kenneth: What you said is not wrong. Vertica and Riak are examples of distributed databases that don't require hand-holding. Cassandra is for Java-programmer DIYers, or more often Datastax clients, at this point. Thanks, James. From: Kenneth Brotman To: user@cassandra.apache.or

Re: if the heap size exceeds 32GB..

2018-02-13 Thread James Rothering
Wow, an 84GB heap! Would you mind disclosing the kind of data requirements behind this choice? And what kind of STW GC pauses do you see? On Tue, Feb 13, 2018 at 10:06 AM, Thakrar, Jayesh < jthak...@conversantmedia.com> wrote: > In most cases, Cassandra is pretty efficient about memory usage.

Re: multiple tables vs. partitions and TTL

2018-02-01 Thread James Shaw
, in application coding, put timestamp > expired time in where condition, so will not touch tombstones, in table side, timestamp column in cluster key, with desc order, so better performance. James On Thu, Feb 1, 2018 at 3:16 AM, Marcus Haarmann wrote: > Hi experts, > > I have a

Re: Old tombstones not being cleaned up

2018-02-01 Thread James Shaw
i see leveled compaction used, if it's last, it will have to stay until next level compaction happens, then will be gone, right ? On Thu, Feb 1, 2018 at 2:33 AM, Bo Finnerup Madsen wrote: > Hi, > > We are running a small 9 node Cassandra v2.1.17 cluster. The cluster > generally runs fine, but we

Re: Nodetool hanging - Cassandra 3.10, Oracle Java 1.8.0_131

2018-01-29 Thread James Lovato
exist. Thanks for looking! James From: James Lovato Reply-To: "user@cassandra.apache.org" Date: Thursday, January 25, 2018 at 10:44 AM To: "user@cassandra.apache.org" Subject: Re: Nodetool hanging - Cassandra 3.10, Oracle Java 1.8.0_131 It starts up, I can telnet to the

Re: Nodetool hanging - Cassandra 3.10, Oracle Java 1.8.0_131

2018-01-25 Thread James Lovato
t thought is restart cassandra and monitor its log to make sure it starts up. On Thu, Jan 25, 2018 at 9:15 AM Jeff Jirsa mailto:jji...@gmail.com>> wrote: Can you telnet to the 7199 port? -- Jeff Jirsa On Jan 25, 2018, at 8:00 AM, James Lovato mailto:james.lov...@iacapps.com>> wrote: I h

Nodetool hanging - Cassandra 3.10, Oracle Java 1.8.0_131

2018-01-25 Thread James Lovato
tException: 'Connection timed out (Connection timed out)'. Any thoughts or how to log nodetool’s actions? Or see why it’s not accepting the request? Telnet to the port from localhost as well as another node work fine. Thanks, James

Re: Reg :- Multiple Node Cluster set up in Virtual Box

2017-11-06 Thread James Briggs
Nandan: The original Datastax training classes (when it was still called Riptano) used 3 virtualbox Debian instances to setup a Cassandra cluster. Thanks, James Briggs. -- Cassandra/MySQL DBA. Available in San Jose area or remote. cass_top: https://github.com/jamesbriggs/cassandra-top

Re: cassandra.yaml configuration for large machines (scale up vs. scale out)

2017-11-04 Thread James Briggs
networking in 2017. 128 GB is commonly used, but I would use 256+ GB in new servers.  I don't recommend the Cassandra JBOD configuration since losingone drive means rebuilding the node immediately, which manyorganizations aren't responsive enough to do. Thanks, James. -- Cassandra/MySQ

JOB | Permanent Database Engineer (the Netherlands)

2017-08-08 Thread James Tobin
Hello, I'm working with an employer that is looking to hire someone to become their lead on Apache Cassandra in the Netherlands. Consequently I had hoped that some members of this mailing list may like to discuss further off-list using "JamesBTobin (at) Gmail (dot) com". Kind

Re: Cassandra Schema version mismatch

2017-05-05 Thread James Rothering
I've heard about this ... how did the problem present itself? Sent from my iPhone > On May 5, 2017, at 3:17 PM, Jeff Jirsa wrote: > > > >> On 2017-05-05 11:00 (-0700), Nitan Kainth wrote: >> Hi Experts, >> >> We found schema version mismatch in our cluster. We fixed it by bouncing C* >> o

Re: How can I scale my read rate?

2017-03-19 Thread James Carman
Have you tried using PreparedStatements? On Sat, Mar 18, 2017 at 9:47 PM S G wrote: > ok, I gave the executeAsync() a try. > Good part is that it was really easy to write the code for that. > Bad part is that it did not had a huge effect on my throughput - I gained > about 5% increase in through

Re: scylladb

2017-03-12 Thread James Carman
Cassandra) isn't cool, IMHO. On Sun, Mar 12, 2017 at 5:04 PM Kant Kodali wrote: yes. On Sun, Mar 12, 2017 at 2:01 PM, James Carman wrote: Does all of this Scylla talk really even belong on the Cassandra user mailing list in the first place? On Sun, Mar 12, 2017 at 4:07 PM Jeff Jirsa wr

Re: scylladb

2017-03-12 Thread James Carman
Does all of this Scylla talk really even belong on the Cassandra user mailing list in the first place? On Sun, Mar 12, 2017 at 4:07 PM Jeff Jirsa wrote: On 2017-03-11 22:33 (-0700), Dor Laor wrote: > On Sat, Mar 11, 2017 at 10:02 PM, Jeff Jirsa wrote: > > On 2017-03-10 09:57 (-0800), Rake

Re: Cassandra 2.x Stability

2016-12-06 Thread James Rothering
Is there an official notification of these EOL dates somewhere? On Wed, Nov 30, 2016 at 4:38 AM, kurt Greaves wrote: > Latest release in 2.2. 2.1 is borderline EOL and from my experience 2.2 is > quite stable and has some handy bugfixes that didn't actually make it into > 2.1 > > On 30 November

Can I monitor Read Repair from the logs

2016-11-04 Thread James Rothering
What should I grep for in the logs to see if read repair is happening on a table?

Fwd: WARN [SharedPool-Worker-3] AbstractTracingAwareExecutorService.java

2016-10-18 Thread James Joseph
-2.1.8.689.jar:2.1.8.689] at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105) [cassandra-all-2.1.8.689.jar:2.1.8.689] at java.lang.Thread.run(Unknown Source) [na:1.8.0_92] Thanks James.

WARN [SharedPool-Worker-3] AbstractTracingAwareExecutorService.java

2016-10-12 Thread James Joseph
.jar:2.1.8.689] at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105) [cassandra-all-2.1.8.689.jar:2.1.8.689] at java.lang.Thread.run(Unknown Source) [na:1.8.0_92] Thanks James.

How to find the reason for mutation drops ??

2016-09-29 Thread James Joseph
can i debug this ?? Thanks James

when taking backups using snapshot if the sstable gets compacted will nodetool snapshot hung ??

2016-09-29 Thread James Joseph
aking snapshot so it pauses at that particular CF ?? Thanks James.

Re: unsubscibe

2016-08-16 Thread James Carman
mentioned >> everywhere, should work better and spam less people. > > > Those are just facts. It's concise, I agree, but be sure of my good > intentions there. I do not spend time being bad at people, this is a lost > of time. I try to help here, as I did for the last 4+ ye

Re: unsubscibe

2016-08-15 Thread James Carman
On Mon, Aug 15, 2016 at 10:28 AM Eric Evans wrote: > > I'm always surprised when a Google search for 'unsubscribe cassandra' > doesn't return mailing list results from people nicely telling someone > how to unsubscribe. > > Agreed. It doesn't make for a very welcoming community to attract new co

Re: unsubscibe

2016-08-13 Thread James Carman
an send > an email to the list. The latter is the reason I am suggesting that this be > worked in as an additional way to unsubscribe from the list. > > > > > > On Sat, Aug 13, 2016 at 8:39 PM -0400, "James Carman" < > ja...@carmanconsulting.com> wrote:

Re: unsubscibe

2016-08-13 Thread James Carman
he patronizing responses with Google links help at all. > > > _ > From: James Carman > Sent: Saturday, August 13, 2016 8:24 PM > Subject: Re: unsubscibe > To: > > > > Was the Google stuff really necessary? Couldn't you have just

Re: unsubscibe

2016-08-13 Thread James Carman
Was the Google stuff really necessary? Couldn't you have just nicely told them how to unsubscribe? On Sat, Aug 13, 2016 at 7:52 PM Alain RODRIGUEZ wrote: > Hi, > > You did not unsubscribe yet. > > 'unsubscribe cassandra' in google search: > > Result 1: http://www.planetcassandra.org/apache-cassa

Re: Cassandra: The Definitive Guide, 2nd Edition

2016-08-02 Thread James Carman
Congrats, Jeff! I'll definitely check it out. On Tue, Aug 2, 2016 at 12:36 PM Jeff Carpenter < jeff.carpen...@choicehotels.com> wrote: > Hello > > I’m excited to announce that the 2nd edition of Cassandra: The Definitive > Guide is now available from O’Reilly Media. > http://shop.oreilly.com/pro

Re: How to include all dependencies on cassandra driver jar?

2016-06-03 Thread James Carman
You could shade it into another jar. On Fri, Jun 3, 2016 at 9:08 PM Carolina Simoes Gomes < carolina.go...@huawei.com> wrote: > Hello, > > > > I am using Cassandra 3.2.1 and the 3.0.0 driver. I need to build the > driver but with all its dependencies included in the jar (uber jar), using > maven,

ANNOUNCE: Hecate 3.0.0.Beta1 Available...

2016-06-03 Thread James Carman
we welcome the feedback. Thanks, James Carman

Library/utility announcements?

2016-06-01 Thread James Carman
Some user lists allow it. Does the Cassandra community mind folks announcing their super cool Cassandra libraries on this list? Is there a page for us to list them?

Re: Large primary keys

2016-04-11 Thread James Carman
S3 maybe? On Mon, Apr 11, 2016 at 7:05 PM Robert Wille wrote: > I do realize its kind of a weird use case, but it is legitimate. I have a > collection of documents that I need to index, and I want to perform entity > extraction on them and give the extracted entities special treatment in my > ful

Re: Large primary keys

2016-04-11 Thread James Carman
Why does the text need to be the key? On Mon, Apr 11, 2016 at 6:04 PM Robert Wille wrote: > I have a need to be able to use the text of a document as the primary key > in a table. These texts are usually less than 1K, but can sometimes be 10’s > of K’s in size. Would it be better to use a digest

Re: DataStax OpsCenter with Apache Cassandra

2016-04-11 Thread James Carman
Since when did this become a DataStax support email list? If folks have questions about DataStax products, shouldn't they be contacting the company directly? On Sun, Apr 10, 2016 at 1:13 PM Jeff Jirsa wrote: > It is possible to use OpsCenter for open source / community versions up to > 2.2.x.

Re: Adding Options to Create Statements...

2016-04-01 Thread James Carman
But, if there were a Java driver provided by the Apache Cassandra project itself, then it'd be an easy choice. On Fri, Apr 1, 2016 at 2:16 PM Robert Coli wrote: > On Fri, Apr 1, 2016 at 10:43 AM, James Carman > wrote: > >> A, my bad. One might wonder why the hec

Re: Adding Options to Create Statements...

2016-04-01 Thread James Carman
at may be more helpful: > https://groups.google.com/a/lists.datastax.com/forum/#!forum/java-driver-user > > On Thu, Mar 31, 2016 at 4:40 PM, James Carman > wrote: > >> No thoughts? Would an upgrade of the driver "fix" this? >> >> On Wed, Mar 30, 2016 at 10

Re: Adding Options to Create Statements...

2016-03-31 Thread James Carman
No thoughts? Would an upgrade of the driver "fix" this? On Wed, Mar 30, 2016 at 10:42 AM James Carman wrote: > I am trying to perform the following operation: > > public Create createCreate() { > Create create = > SchemaBuilder.createTable("foo").

Adding Options to Create Statements...

2016-03-30 Thread James Carman
I am trying to perform the following operation: public Create createCreate() { Create create = SchemaBuilder.createTable("foo").addPartitionColumn("bar", varchar()).addClusteringColumn("baz", varchar); if(descending) { create.withOptions().clusteringOrder("baz", Direction.DESC); return c

Re: EC2 storage options for C*

2016-02-03 Thread James Rothering
Just curious here ... when did EBS become OK for C*? Didn't they always push towards using ephemeral disks? On Wed, Feb 3, 2016 at 12:17 PM, Ben Bromhead wrote: > For what it's worth we've tried d2 instances and they encourage terrible > things like super dense nodes (increases your replacement

Re: New node has high network and disk usage.

2016-01-17 Thread James Griffin
. We still don't fully understand why this kernel bug didn't affect *all *our nodes (in the end we had three nodes with that kernel, only two of them exhibited this issue), but there we go. Thanks everyone for your help Cheers, Griff On 14 January 2016 at 15:14, James Griffin wrote:

Re: New node has high network and disk usage.

2016-01-14 Thread James Griffin
[image: idioplatform] <http://idioplatform.com/>James "Griff" Griffin CTO Switchboard: +44 (0)20 3540 1920 | Direct: +44 (0)7763 139 206 | Twitter: @imaginaryroots <http://twitter.com/imaginaryroots> | Skype: j.s.griffin idio helps major brands and publishers to build closer re

Re: New node has high network and disk usage.

2016-01-14 Thread James Griffin
0 6326 Responses n/a 0 219356 Best wishes, Griff [image: idioplatform] <http://idioplatform.com/>James "Griff" Griffin CTO Switchboard: +44 (0)20 3540 1920 | Direct: +44 (0)7763 139 206 | Twitter: @imaginaryroots <http://twitter

Re: New node has high network and disk usage.

2016-01-14 Thread James Griffin
> or concurrent mode failures? > > If you are on CMS, you need to fine tune your heap options to address full > gc. > > > > Thanks > Anuj > > Sent from Yahoo Mail on Android > <https://overview.mail.yahoo.com/mobile/?.src=Android> > > On Thu, 14 Jan, 2

Re: New node has high network and disk usage.

2016-01-13 Thread James Griffin
n node 3.May be you can try investigating logs to see whats > happening. > > Others on the mailing list could also share their views on the situation. > > Thanks > Anuj > > > > Sent from Yahoo Mail on Android > <https://overview.mail.yahoo.com/mobile/?.src=Android> >

Re: New node has high network and disk usage.

2016-01-13 Thread James Griffin
6af4-4c80-b280-e7fdd61924d3 rack1 > > > > Thanks > Anuj > > Sent from Yahoo Mail on Android > <https://overview.mail.yahoo.com/mobile/?.src=Android> > > On Wed, 13 Jan, 2016 at 10:34 pm, James Griffin > wrote: > Hi all, > > We’ve spent a few days running t

Re: New node has high network and disk usage.

2016-01-13 Thread James Griffin
Hi all, We’ve spent a few days running things but are in the same position. To add some more flavour: - We have a 3-node ring, replication factor = 3. We’ve been running in this configuration for a few years without any real issues - Nodes 2 & 3 are much newer than node 1. These two no

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