Re: storage engine series

2024-05-02 Thread Michael Shuler
On 4/29/24 18:23, Jon Haddad wrote: [4] https://www.youtube.com/live/yj0NQw9DgcE?si=ra1zqusMdSs6vl4T Optimizations (upcoming) URL: [4] https://www.youtube.com/watch?v=MAxQ0QygcKk :)

Re: Apache archive RedHat repodata

2022-03-18 Thread Michael Shuler
to time, it just hasn't been asked recently. Warm regards, Michael

Re: 4.1 Release Date

2022-01-30 Thread Michael Semb Wever
> At this point, is there a more precise release date for Cassandra 4.1? We > are trying to get on 3.11.x prior to earlier releases going eol and a more > specific date then April would be of great help in our project planning. > Even if it is the classic s/w answer of eom. Thanks… > Apo

Re: GC pauses way up after single node Cassandra 2.2 -> 3.11 binary upgrade

2020-10-29 Thread Michael Semb Wever
> we had an awful performance/throughput experience with 3.x coming from 2.1. > 3.11 is simply a memory hog, if you are using batch statements on the client > side. If so, you are likely affected by > https://issues.apache.org/jira/browse/CASSANDRA-16201 > Confirming what Thomas writes, hea

Re: [RELEASE] Apache Cassandra 4.0-beta1 released

2020-07-23 Thread Michael Semb Wever
> From NEWS.txt: > > Release builds require Java 11 + Java 8. Development builds can use Java > 8 without 11. > > Did it mean to read "Development builds can use *Java 11 without 8*."? Cassandra can be built with either JDK 8 or JDK 11. Our formal releases are built with JDK 8.

Re: persist data such that a new container can reuse existing schema and data

2020-06-14 Thread Michael Shuler
docker volume mount strategies, the best help may be some docker mailing list or irc channel, for example, but definitely evaluate the different cassandra utilities and ask away if you get stuck on one. Kind regards, Michael On 6/13/20 11:57 AM, Manu Chadha wrote: Hi I create a Cassandra

Re: Issue with parallel LWT writes (and reads with serial consistency) overwriting data

2020-06-06 Thread Michael Shuler
vent the simultaneous-parallel edge case with LWT. Michael On 6/6/20 12:07 AM, Thiranjith Weerasinghe wrote: Hi Everyone! We have a 3-node Cassandra cluster (single DC), and a table that get accessed (for read/writes) by applications running on separate nodes. Under heavy load, when

Re: Memory usage more than heap memory

2020-04-11 Thread Michael Shuler
usage historically: https://grafana.com/grafana/dashboards/5408 Kind regars, Michael On 4/11/20 12:47 PM, HImanshu Sharma wrote: Hi I am not worried about page cache. I want to monitor memory pressure, I want to check that if heap+non heap usage goes above certain level then I can take certain action

Re: Memory usage more than heap memory

2020-04-11 Thread Michael Shuler
ubiquitous Cassandra recommendation is that nodes should have no swap enabled. Paging out/in of memory will cause problems, so just don't. Kind regards, Michael On 4/11/20 11:50 AM, Laxmikant Upadhyay wrote: One more point, if you are worried about high memory usage then read about d

Re: [RELEASE] Apache Cassandra 3.11.6 released

2020-02-21 Thread Michael Shuler
On 2/21/20 10:28 AM, Michael Shuler wrote: So a little extra background: The ASF INFRA team made a change last week to the required release location and redirected all requests for the previous required release URL to:   https://downloads.apache.org/cassandra//   (previous: https

Re: [RELEASE] Apache Cassandra 3.11.6 released

2020-02-21 Thread Michael Shuler
ong on that, but I believe we were "doing it wrong" as a project, once Mick started digging in and helping out. My best advice is follow what is on the project download page and in the release announcement emails. These may change things from time to time. Kind regards, Michael

Re: [RELEASE] Apache Cassandra 3.11.6 released

2020-02-21 Thread Michael Shuler
Why? This release adjusted the location of the tar artifacts, so they were published to the normal recommended dist/release location and not included in maven, where I understand they are not desired to be there. Kind regards, Michael On 2/21/20 8:18 AM, Chad Helms wrote: Can we get

Re: apt error 'Protocol "http" not supported or disabled in libcurl'

2020-02-16 Thread Michael Shuler
Match permanent (.*)cassandra/debian/(.*) http://dl.bintray.com/apache/cassandra/$2 +RedirectMatch permanent (.*)cassandra/debian/(.*) https://dl.bintray.com/apache/cassandra/$2 Michael On 2/16/20 11:51 AM, Michael Shuler wrote: Yeah, ASF INFRA is making download redirect changes on a weekend without a

Re: apt error 'Protocol "http" not supported or disabled in libcurl'

2020-02-16 Thread Michael Shuler
urls, it will work. Apt won't use a protocol redirect downgrade from https -> http. Michael On 2/16/20 11:22 AM, Shaoting Cheng wrote: Hi experts I followed the instruction to install Cassandra on the Ubuntu-16.04. http://cassandra.apache.org/download/ But `apt-get update` retur

[RELEASE] Apache Cassandra 3.11.6 released

2020-02-14 Thread Michael Shuler
The Cassandra team is pleased to announce the release of Apache Cassandra version 3.11.6. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of sou

[RELEASE] Apache Cassandra 3.0.20 released

2020-02-14 Thread Michael Shuler
The Cassandra team is pleased to announce the release of Apache Cassandra version 3.0.20. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of sou

[RELEASE] Apache Cassandra 2.2.16 released

2020-02-14 Thread Michael Shuler
The Cassandra team is pleased to announce the release of Apache Cassandra version 2.2.16. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of sou

Re: [EXTERNAL] Cassandra 3.11.X upgrades

2020-02-12 Thread Michael Shuler
, Michael - To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org For additional commands, e-mail: user-h...@cassandra.apache.org

Re: Overload because of hint pressure + MVs

2020-02-07 Thread Michael Shuler
le branchX fixvers. Michael On 2/7/20 10:53 AM, Surbhi Gupta wrote: Hi, We are getting hit by the below bug. Other than lowering hinted_handoff_throttle_in_kb to 100 any other work around ? https://issues.apache.org/jira/browse/CASSANDRA-13810 Any idea if it got fixed in later version. We a

Re: Query timeouts after Cassandra Migration

2020-02-06 Thread Michael Shuler
Did you copy the tokens from cluster1 to new cluster2? Same Cassandra version, same instance type/size? What to the logs say on cluster2 that look different from the cluster1 norm? There are a number of possible `nodetool` utilities that may help see what is happening on new cluster2. Michael

Re: Running select against cassandra

2020-02-06 Thread Michael Shuler
depends on the data model and query. Michael On 2/6/20 12:20 PM, Abdul Patel wrote: Hi, Is it advisable to run select query to fetch every minute to grab data from cassandra for reporting purpose, if no then whats the a

Re: Cassandra OS Patching.

2020-01-30 Thread Michael Shuler
possible, and the node updates can be even be in parallel without causing any problems with the JVM or Cassandra service. Most intelligent package update systems will install the update and restart the affected service, in this hypothetical case `sshd`. Michael On 1/30/20 3:56 AM, Erick Ramirez

Re: Cassandra going OOM due to tombstones (heapdump screenshots provided)

2020-01-24 Thread Michael Shuler
ple to suggest tuning improvements. Michael On 1/24/20 5:16 AM, Behroz Sikander wrote: We recently had a lot of OOM in C* and it was generally happening during startup. We took some heap dumps but still cannot pin point the exact reason. So, we need some help from experts. Our clients are not expli

Re: COPY command with where condition

2020-01-17 Thread Michael Shuler
vider             username = "superuser"             password = "mypass"         }     } } Kind regards, Michael - To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org For additional commands, e-mail: user-h...@cassandra.apache.org

Re: Cassandra build failing after Central Repository HTTPS

2020-01-15 Thread Michael Shuler
I just did a quick `rm -r ~/.m2/repository/` so the build would download everything, and with 2.2.14 tag + 63ff65a8dd, the build succeeded for me fine, pulling everything from https. Not sure where to go, unless the circleci container is somehow contaminated with http cached data. Michael On

Re: Cassandra build failing after Central Repository HTTPS

2020-01-15 Thread Michael Shuler
Bleh, sorry, you updated those, right. I don't see any other related commits to build.xml nor build.properties.default.. Some elderly sub-dependent that has an http URL in it, perhaps? -- Michael On 1/15/20 5:44 PM, Leon Zaruvinsky wrote: Hey all, I'm having trouble with th

Re: Cassandra build failing after Central Repository HTTPS

2020-01-15 Thread Michael Shuler
You could cherry-pick sha 63ff65a8dd3a31e500ae5ec6232f1f9eade6fa3d which was committed after the 2.2.14 release tag. https://github.com/apache/cassandra/commit/63ff65a8dd3a31e500ae5ec6232f1f9eade6fa3d -- Kind regards, Michael On 1/15/20 5:44 PM, Leon Zaruvinsky wrote: Hey all, I'm h

Re: 回复:Re: Reply:Reply: Re:__Why_suddenly_cassandra_3.11.4_and_3.11.3_“can_not_find_or_load_main_class_-ea”?

2019-12-29 Thread Michael Shuler
e run as a non-interactive daemon user with limited privileges, but that's a different conversation. Kind regards, Michael On 12/29/19 2:50 AM, gloCalHelp.com wrote: TO Michael:      Thank you for your guiding. I check the conf/jvm.options, it is not changed .        Anyway, I find th

Re: Reply:Reply: Re:__Why_suddenly_cassandra_3.11.4_and_3.11.3_“can_not_find_or_load_main_class_-ea”?

2019-12-27 Thread Michael Shuler
using a different text editor. Kind regards, Michael On 12/27/19 6:21 AM, gloCalHelp.com wrote: P.S.: Sorry that I don't receive the mail sent last night, so I resend the below mail. TO Jeff:     Thank you very much for your good method to see the shell program's executio

Re: average row size in a cassandra table

2019-12-12 Thread Raney, Michael
For rough estimate, I’ve seen the following pattern. Sudo code Do queries by token range at random. Select asjson * from table; Take the length of json string of each row. Perform average. Cheers. From: Ayub M Reply-To: "user@cassandra.apache.org" Date: Wednesday, December 11, 2019 at 11:17

Re: Where to get old RPMs?

2019-10-30 Thread Michael Shuler
RPMs? Previous jars I can find easily enough, but not RPMs. All the old release artifacts are archived at archive.apache.org. The non-latest RPMs are under the redhat/XYx/ directory for whichever major version you need. https://archive.apache.org/dist/cassandra/redhat/ Michael

[RELEASE] Apache Cassandra 4.0-alpha2 released

2019-10-29 Thread Michael Shuler
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.0-alpha2. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of

[RELEASE] Apache Cassandra 3.11.5 released

2019-10-29 Thread Michael Shuler
The Cassandra team is pleased to announce the release of Apache Cassandra version 3.11.5. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of sou

[RELEASE] Apache Cassandra 3.0.19 released

2019-10-29 Thread Michael Shuler
The Cassandra team is pleased to announce the release of Apache Cassandra version 3.0.19. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of sou

[RELEASE] Apache Cassandra 2.2.15 released

2019-10-29 Thread Michael Shuler
The Cassandra team is pleased to announce the release of Apache Cassandra version 2.2.15. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of sou

[RELEASE] Apache Cassandra 4.0-alpha1 released

2019-09-08 Thread Michael Shuler
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.0-alpha1. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of

Re: unable to gossip with peers exception when internode encryption is set to any setting other than 'none'

2019-08-28 Thread Michael Carlise
works as expected. Tomorrow I'll reach out to the slack channel and see if anybody can help/suggest ways to test it; or if anybody is aware of an ongoing issue. On Wed, Aug 28, 2019 at 2:49 PM Michael Carlise wrote: > telnet from node 1 -> node2 7001 (and 7000) works. > > However,

Re: unable to gossip with peers exception when internode encryption is set to any setting other than 'none'

2019-08-28 Thread Michael Carlise
also do md5sum on files from 1 node > in west and 1 node in east. > check ssl port 7001 --- from 1 node in west --> telnet :7001 > (or custom port if you are not using default port) > > On Monday, August 26, 2019, 05:46:19 PM PDT, Michael Carlise > wrote: > > > Subroto - &

Re: unable to gossip with peers exception when internode encryption is set to any setting other than 'none'

2019-08-26 Thread Michael Carlise
7;t. On Mon, Aug 26, 2019 at 6:51 PM Subroto Barua wrote: > Michael, > > Are you able to connect to any c* node via OpenSSL? > > Openssl s_client -connect :9042 > > Cqlsh —ssl > > Subroto > > On Aug 26, 2019, at 2:47 PM, Marc Selwan wrote: > > which exact

Re: unable to gossip with peers exception when internode encryption is set to any setting other than 'none'

2019-08-26 Thread Michael Carlise
The version given by apt is 8u162-b12-1. Which I think corresponds to openJDK-8-162. When I run jrunscript -e 'print (javax.crypto.Cipher.getMaxAllowedKeyLength("RC5") >= 256);' the command returns true. Not sure if that is the best way to verify JCE installed. Michael

unable to gossip with peers exception when internode encryption is set to any setting other than 'none'

2019-08-26 Thread Michael Carlise
I originally opened this issue on stackoverflow ( https://stackoverflow.com/questions/57516660/cassandra-node-to-node-encryption-throws-unable-to-gossip-with-peers-exception ). However, I haven't gotten any responses in over a week. I'm going to post it here and maybe someone will have an idea on

Re: cassandra does not start with new systemd version

2019-08-11 Thread Michael Shuler
Please, submit a JIRA, marking as blocker for fixver 4.0 - attaching a working service file to the JIRA would be most appreciated. Thanks! -- Michael On 8/9/19 10:04 AM, a.yats...@rtk-dc.ru wrote: > Hi. > > After update systemd with  fixed > vulnerability https://access.redhat.com/

Re: Cassandra tools are missing

2019-06-24 Thread Michael Shuler
ld magic.. break the lines up as they should be normally, sorry about that.) [0] http://cassandra.apache.org/download/ [1] https://archive.apache.org/dist/cassandra/redhat/311x/ Kind regards, Michael On 6/24/19 10:13 PM, Nandakishore Tokala wrote: yum install cassandra-tools Loaded plugins: f

Re: Cassandra tools are missing

2019-06-24 Thread Michael Shuler
`yum install cassandra-tools` You should also upgrade to 3.11.4 when you can, there are a number of important bug fixes since 3.11.0. Kind regards, Michael On 6/24/19 10:04 PM, Nandakishore Tokala wrote: HI , we installed cassandra-3.11.0 on centos -7  and i see only below tools

Re: Cassandra migration from 1.25 to 3.x

2019-06-17 Thread Michael Shuler
meant 1.2.5, so you're first step is to upgrade to at least 1.2.9 (I would suggest using latest 1.2.x, which is 1.2.19). Then you can to to 2.0.x and up. Practicing on a scratch cluster is valuable experience. Reading the upgrade notes in NEWS.txt is a must. -- Kind regards, Michael On

Re: Is my range read query behaving strange ?

2019-06-11 Thread Michael Shuler
(dropped dev@ x-post; user@ was correct) Possibly #12765, fixed in 2.1.17. Wouldn't hurt to update to latest 2.1.21. https://issues.apache.org/jira/browse/CASSANDRA-12765 https://github.com/apache/cassandra/blob/cassandra-2.1/CHANGES.txt#L1-L36 Michael On 6/11/19 9:58 PM, Laxmikant Upa

How To Mailing List

2019-05-20 Thread Michael Shuler
Sub, unsub, and archive links can be found at: http://cassandra.apache.org/community/ Plain text emails to the list also get a footer appended with similar info: - To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org Fo

Re: Oracle: unexpected operator

2019-05-10 Thread Michael Shuler
oming from possibly cassandra-env.sh version check? I would check what changes you've made to these files - something isn't right, nor the same as what was originally provided. (cassandra-3.11)mshuler@hana:~/git/cassandra$ wc -l bin/nodetool 115 bin/nodetool -- K

Re: How to upgrade logback dependency

2019-02-13 Thread Michael Shuler
On 2/13/19 2:30 AM, Oleksandr Shulgin wrote: > On Tue, Feb 12, 2019 at 7:02 PM Michael Shuler <mailto:mich...@pbandjelly.org>> wrote:  > > If you are not using the logback SocketServer and ServerSocketReceiver > components, the CVE doesn't affect your

Re: How to upgrade logback dependency

2019-02-12 Thread Michael Shuler
On 2/12/19 11:53 AM, Michael Shuler wrote: > https://issues.apache.org/jira/browse/CASSANDRA-14183 > > 2.1 NEWS.txt merged up: > https://github.com/apache/cassandra/blob/cassandra-2.1/NEWS.txt#L21-L28 I should have included that you can try simply replacing the jars in lib/ with th

Re: How to upgrade logback dependency

2019-02-12 Thread Michael Shuler
https://issues.apache.org/jira/browse/CASSANDRA-14183 2.1 NEWS.txt merged up: https://github.com/apache/cassandra/blob/cassandra-2.1/NEWS.txt#L21-L28 -- Kind regards, Michael On 2/12/19 2:49 AM, Oleksandr Shulgin wrote: > Hi, > > The latest release notes for all versions mention tha

[RELEASE] Apache Cassandra 2.1.21 released

2019-02-11 Thread Michael Shuler
The Cassandra team is pleased to announce the release of Apache Cassandra version 2.1.21. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source a

[RELEASE] Apache Cassandra 2.2.14 released

2019-02-11 Thread Michael Shuler
The Cassandra team is pleased to announce the release of Apache Cassandra version 2.2.14. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source a

[RELEASE] Apache Cassandra 3.0.18 released

2019-02-11 Thread Michael Shuler
The Cassandra team is pleased to announce the release of Apache Cassandra version 3.0.18. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source a

[RELEASE] Apache Cassandra 3.11.4 released

2019-02-11 Thread Michael Shuler
The Cassandra team is pleased to announce the release of Apache Cassandra version 3.11.4. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source a

Re: Upgrade From 2.0 to 2.1

2019-02-11 Thread Michael Shuler
On 2/11/19 9:24 AM, shalom sagges wrote: > I've successfully upgraded a 2.0 cluster to 2.1 on the way to upgrade to > 3.11 (hopefully 3.11.4 if it'd be released very soon). Very soon. If not today, it will be up tomorrow.

Re: UNSUBSCRIBE

2019-01-13 Thread Michael Shuler
Follow the instructions below to unsub. - To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org For additional commands, e-mail: user-h...@cassandra.apache.org

Re: OpenJDK and Windows Service Error

2019-01-02 Thread Michael Shuler
ry few users on the platform, so it's really up to those few users to keep it working. -- Michael - To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org For additional commands, e-mail: user-h...@cassandra.apache.org

Re: Help in understanding strange cassandra CPU usage

2018-12-09 Thread Michael Shuler
xt#L1-L140 -- Kind regards, Michael - To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org For additional commands, e-mail: user-h...@cassandra.apache.org

Re: Cassandra C++ driver for C++98

2018-12-04 Thread Michael Penick
We don't have access to that compiler. If you could try it for us that would be greatly appreciated. Pull requests on GitHub are more than welcome. Mike On Tue, Nov 20, 2018 at 2:48 PM Amit Plaha wrote: > Thanks for the response, Michael! > > I could build the driver on UNIX usi

Re: Cassandra C++ driver for C++98

2018-10-30 Thread Michael Penick
Pretty much any version including the most current. On Mon, Oct 29, 2018 at 4:29 PM, Amit Plaha wrote: > Hi Mike, > > Thanks for the response. Can you let me know which version of the driver > can build with C++98? > > Regards, > Amit > > On Fri, Oct 26, 201

Re: Cassandra C++ driver for C++98

2018-10-26 Thread Michael Penick
Those changes where for testing code only. https://github.com/datastax/cpp-driver/commit/ffc9bbd8747b43ad5dcef749fe4c63ff245fcf74 The driver has compiled with fine w/ C++98 for some time now. The encoding/decoding doesn't make any assumptions about endianess so it should work fine on big-endian s

Re: Cassandra 2.1.21 ETA?

2018-10-03 Thread Michael Shuler
a user has configured logback to do logging over the network, then they should consider upgrading the logback libs. (This has nothing to do with thrift or native protocols.) Michael On 10/1/18 3:06 AM, Steinmaurer, Thomas wrote: > Michael, > > can you please elaborate on your Soc

Re: Cassandra 2.1.21 ETA?

2018-09-21 Thread Michael Shuler
andra/commit/4bbd28a Feb 2018 trunk (4.0) commit for the library update: https://github.com/apache/cassandra/commit/c0aa79e -- Michael - To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org For additional commands, e-

Re: Refering to non-existing node

2018-09-06 Thread Michael Shuler
assinate, without moving through the removal steps, then the node is still in the system.peers (I think) table on some or all of the nodes. -- Michael - To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org For

[RELEASE] Apache Cassandra 3.11.3 released

2018-08-01 Thread Michael Shuler
The Cassandra team is pleased to announce the release of Apache Cassandra version 3.11.3. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source a

[RELEASE] Apache Cassandra 3.0.17 released

2018-08-01 Thread Michael Shuler
The Cassandra team is pleased to announce the release of Apache Cassandra version 3.0.17. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source a

[RELEASE] Apache Cassandra 2.2.13 released

2018-08-01 Thread Michael Shuler
The Cassandra team is pleased to announce the release of Apache Cassandra version 2.2.13. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source a

Re: Installation

2018-07-10 Thread Michael Shuler
ed for upgrades without messing with PATH env for user and within configs for Cassandra. -- Michael - To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org For additional commands, e-mail: user-h...@cassandra.apache.org

Re: apache-cassandra 2.2.8 rpm

2018-06-05 Thread Michael Shuler
community packages, so you'd need to do the removal yourself. Hope that helps! -- Kind regards, Michael On 06/05/2018 10:00 AM, ukevg...@gmail.com wrote: On 2018/06/05 14:56:24, Carlos Rolo wrote: I would recommend migrate to a higher version of Apache Cassandra. Since Datastax always

Re: Suggestions for migrating data from cassandra

2018-05-15 Thread Michael Dykman
I don't know that there are any projects out there addressing this but I advise you to study LOAD ... INFILE in the MySQL manual specific to your target version. It basically describes a CSV format, where a given file represents a subset of data for a specific table. It is far and away the fastest

Re: com.datastax.driver.core.exceptions.NoHostAvailableException

2018-04-26 Thread Michael Shuler
cqlsh uses embedded python driver. Good check, server is running. > My java client fails just the same. Check your java driver version is compatible with your version of Cassandra. See Andy Tolbert's comment on https://datastax-oss.atlassian.net/browse/JAVA-

Re: com.datastax.driver.core.exceptions.NoHostAvailableException

2018-04-26 Thread Michael Shuler
On 04/26/2018 09:03 AM, Michael Shuler wrote: > Seems like an incomplete upgrade to 3.0.9 (and now 3.11.2) from some > earlier version, which used schema_columnfamilies, I think? Similar error on: https://datastax-oss.atlassian.net/browse/JAVA-1092 -- M

Re: com.datastax.driver.core.exceptions.NoHostAvailableException

2018-04-26 Thread Michael Shuler
OK, thanks for the extra info. Hmm.. `unconfigured table schema_keyspaces` Seems like an incomplete upgrade to 3.0.9 (and now 3.11.2) from some earlier version, which used schema_columnfamilies, I think? -- Michael On 04/26/2018 08:55 AM, Lou DeGenaro wrote: > Sorry, my mistake.  Everyth

Re: com.datastax.driver.core.exceptions.NoHostAvailableException

2018-04-26 Thread Michael Shuler
regards, Michael On 04/26/2018 08:17 AM, Lou DeGenaro wrote: > version: cassandra-3.0.9 > > conf/cassnadra.yaml changes: > >   - seeds: "host421" > listen_address: host421 > rpc_address: host421 > > > Java client: > &g

Re: How to configure Cassandra to NOT use SSLv2?

2018-04-24 Thread Michael Shuler
2, so I do not believe that there is a worry about some weak protocol here. https://bugs.java.com/bugdatabase/view_bug.do?bug_id=4915862 -- Kind regards, Michael On 04/24/2018 11:23 AM, Marcus Haarmann wrote: > OK, this is IBM JDK. The options might differ. I have been searching for > Ora

Re: How to configure Cassandra to NOT use SSLv2?

2018-04-20 Thread Michael Shuler
cified in the current branch HEADs. I'm pretty sure SSLv2/3 removal was a post-POODLE commit. It's possible you may be on something older - what version are we talking about? -- Michael - To unsubscribe, e-

Re: How to configure Cassandra to NOT use SSLv2?

2018-04-20 Thread Michael Shuler
HUGE security risk." > > How does one configure Cassandra to *not* use SSLv2? See the `server_encryption_options:` and `client_encryption_options:` sections in conf/cassandra.yaml for the `protocol:` and `cipher_suites:` configu

Re: [EXTERNAL] Re: Cassandra downgrade version

2018-04-19 Thread Michael Shuler
.apache.org/I6dr -- Michael - To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org For additional commands, e-mail: user-h...@cassandra.apache.org

Re: Logback-tools.xml

2018-04-18 Thread Michael Shuler
-auth -- Kind regards, Michael - To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org For additional commands, e-mail: user-h...@cassandra.apache.org

Re: Latest version and Features

2018-04-11 Thread Michael Shuler
o the same with 2.1 and 2.2 to wrap things up nicely. -- Warm regards, Michael - To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org For additional commands, e-mail: user-h...@cassandra.apache.org

Re: Cassandra Hints file corruption

2018-04-09 Thread Michael Shuler
we > should enough replicas to reconstruct the data. > > I am gathering more evidence on the issue would be happy to work with devs > > Regards, > Vineet -- Michael - To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org For additional commands, e-mail: user-h...@cassandra.apache.org

Re: Shifting data to DCOS

2018-04-05 Thread Michael Shuler
to new setup on DC/OS? For upgrade support from older versions of C* that did not have the hash on the data directory, the table data dir can be just `data_main_bim_dn_10` without the appended hash, as in your example. Give that a quick test to see if tha

Re: Cassandra 2.1 on Xenial

2018-03-23 Thread Michael Shuler
I downloaded the 3.0.16 tar to /tmp on the same host as my 2.1 node was running (without thrift), and this worked for me: ./tools/bin/cassandra-stress write n=1 -mode native cql3 protocolVersion=3 Michael On 03/23/2018 09:30 AM, Michael Shuler wrote: > Well, now I'm a little st

Re: Cassandra 2.1 on Xenial

2018-03-23 Thread Michael Shuler
andra-stress on 2.1, even though not using it. It may be worthwhile to try using stress from a 2.2 or 3.0 tar on a client machine against the 2.1 cluster and see if that behaves any better. Michael On 03/23/2018 08:10 AM, Cyril Scetbon wrote: > Here is the command I use : >

Re: Cassandra 2.1 on Xenial

2018-03-22 Thread Michael Shuler
Looked at your error again. The cassandra-stress example appears as if thrift is disabled, which is the default stress profile. Try `cassandra-stress write -mode native cql3 ...` for native cql stress runs. Michael On 03/22/2018 11:36 PM, Michael Shuler wrote: > dh_python is a build depende

Re: Cassandra 2.1 on Xenial

2018-03-22 Thread Michael Shuler
. :) Michael On 03/22/2018 09:59 PM, Cyril Scetbon wrote: > Yeah, I also had to grab a new version of the cassandra-driver which was > fixed in 2.1.16 https://issues.apache.org/jira/browse/CASSANDRA-11850 > otherwise cqlsh would not work with python 2.7.12. > > I’m surprised dh-

Re: Cassandra 2.1 on Xenial

2018-03-19 Thread Michael Shuler
Yep. This was fixed for 2.1.15, 2.2.7, 3.0.6, 3.6 in https://issues.apache.org/jira/browse/CASSANDRA-10853 -- Kind regards, Michael On 03/18/2018 10:55 PM, Cyril Scetbon wrote: > Okay I found that when building the package, the new helper dh_python2 > must be used to fix that

Re: yet another benchmark bottleneck

2018-03-12 Thread Michael Burman
Although low amount of updates, it's possible that you hit a contention bug. A simple test would be to add multiple Cassandra nodes on the same physical node (like split your 20 cores to 5 instances of Cassandra). If you get much higher throughput, then you have an answer.. I don't think a sin

Re: Amazon Time Sync Service + ntpd vs chrony

2018-03-08 Thread Michael Shuler
stem clock. There is nothing Cassandra-specific. -- Kind regards, Michael On 03/08/2018 04:15 AM, Kyrylo Lebediev wrote: > Hi! > > Recently Amazon announced launch of Amazon Time Sync Service > (https://aws.amazon.com/blogs/aws/keeping-time-with-amazon-time-sync-service/) > and now it&

Re: Jon Haddad on Diagnosing Performance Problems in Production

2018-02-27 Thread Michael Shuler
summit-recap-diagnosing-problems-in-production -- Kind regards, Michael - To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org For additional commands, e-mail: user-h...@cassandra.apache.org

Re: Missing 3.11.X cassandra debian packages

2018-02-21 Thread Michael Shuler
will not find Cassandra 0.7.9 in the "current" apt repositories any longer, since they are unsupported, but there are indeed people using that version. The above spot is where to find the .deb packages for 0.7.9, and all older releases. -- Warm regards, Michael --

[RELEASE] Apache Cassandra 3.11.2 released - PLEASE READ NOTICE

2018-02-19 Thread Michael Shuler
PLEASE READ: MAXIMUM TTL EXPIRATION DATE NOTICE (CASSANDRA-14092) -- The maximum expiration timestamp that can be represented by the storage engine is 2038-01-19T03:14:06+00:00, which means that inserts with TTL thatl expire after thi

[RELEASE] Apache Cassandra 3.0.16 released - PLEASE READ NOTICE

2018-02-19 Thread Michael Shuler
PLEASE READ: MAXIMUM TTL EXPIRATION DATE NOTICE (CASSANDRA-14092) -- The maximum expiration timestamp that can be represented by the storage engine is 2038-01-19T03:14:06+00:00, which means that inserts with TTL thatl expire after thi

[RELEASE] Apache Cassandra 2.2.12 released - PLEASE READ NOTICE

2018-02-16 Thread Michael Shuler
PLEASE READ: MAXIMUM TTL EXPIRATION DATE NOTICE (CASSANDRA-14092) -- The maximum expiration timestamp that can be represented by the storage engine is 2038-01-19T03:14:06+00:00, which means that inserts with TTL thatl expire after thi

[RELEASE] Apache Cassandra 2.1.20 released - PLEASE READ NOTICE

2018-02-16 Thread Michael Shuler
PLEASE READ: MAXIMUM TTL EXPIRATION DATE NOTICE (CASSANDRA-14092) -- The maximum expiration timestamp that can be represented by the storage engine is 2038-01-19T03:14:06+00:00, which means that inserts with TTL thatl expire after thi

Re: Cassandra is not running

2018-02-13 Thread Michael Shuler
on 1.8.0_161. https://lists.apache.org/thread.html/6c38262e25cfca27b4e697aa429fe1c51cb83b8fa341ec8a860c272b@%3Cdev.cassandra.apache.org%3E Looks like a packaged install, so you can find those at: https://people.apache.org/~mshuler/ -- Kind regards, Michael -

Releases 2.1.20, 2.2.12, 3.0.16, & 3.11.2 are now up for vote by the PMC

2018-02-12 Thread Michael Shuler
and possibly have time to test, you can find those links in the VOTE messages: https://lists.apache.org/list.html?d...@cassandra.apache.org -- Warm regards, Michael signature.asc Description: OpenPGP digital signature

Re: node restart causes application latency

2018-02-06 Thread Michael Shuler
ode, there are open > connections to other nodes in the cluster (ie looking at the output of > netstat) until I stop cassandra. I don't see any errors or warnings in > the logs. What port are the connections on? 9160 (thrift) or 9042 (native)? -- Kind regards, Michael ---

Re: Security Updates

2018-01-31 Thread Michael Shuler
votes & releases. -- Michael On 01/31/2018 01:12 PM, Michael Shuler wrote: > I usually install cron-apt for Ubuntu & Debian, forward and read root's > email to be notified of all system upgrades, including Cassandra. > > There are likely other utilities for other operating systems

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