[RELEASE] Apache Cassandra 5.0.2 released

2024-10-19 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 5.0.2. 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 an

[RELEASE] Apache Cassandra 5.0.1 released

2024-09-30 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 5.0.1. 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 an

[RELEASE] Apache Cassandra 4.1.7 released

2024-09-26 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.1.7. 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 an

[RELEASE] Apache Cassandra 4.0.14 released

2024-09-26 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.0.14. 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 5.0-rc2 released

2024-08-26 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 5.0-rc2. 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

Re: [RELEASE] Apache Cassandra 5.0-rc1 released

2024-07-19 Thread Mick Semb Wever
i, Jul 19, 2024 at 7:12 AM Joe Obernberger < > joseph.obernber...@gmail.com> wrote: > >> Great news. Does anyone know if there have been updates to vectors >> support and search? >> >> -Joe >> On 7/18/2024 4:58 PM, Mick Semb Wever wrote: >> >&

[RELEASE] Apache Cassandra 5.0-rc1 released

2024-07-18 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 5.0-rc1. 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

Re: Call for Presentations closing TOMORROW: Community over Code EU 2024

2024-01-11 Thread Mick Semb Wever
The CFP for the Cassandra track at the Community Over Code EU conference, June in Bratislava, closes tomorrow (Friday) !! We'd love to hear your Cassandra experience, operating or coding. Submit before it's too late 🥳 see you there, Mick On Mon, 8 Jan 2024 at 20:24, Paulo Motta wrote: > I wan

[RELEASE] Apache Cassandra Java Driver 4.18.0 released

2023-12-12 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Cassandra Java Driver version 4.18.0 The Source release and Binary convenience artifacts are available here: https://dist.apache.org/repos/dist/release/cassandra/cassandra-java-driver/4.18.0/ The Maven artifacts can be found at: https://rep

[RELEASE] Apache Cassandra 5.0-beta1 released

2023-12-05 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 5.0-beta1. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. Downloads of source and binary distributions are

Re: Cassandra Summit: Engage those networks!

2023-11-30 Thread Mick Semb Wever
Looking forward to seeing you all! Cassandra 5* has so many game changing features in it, I'm super excited. On Thu, 30 Nov 2023 at 07:55, Bhagdev, Meet wrote: > I’m going and hope to see you there 😊 > > > > Cheers, > > Meet > > *From: *Paulo Motta > *Reply-To: *"user@cassandra.apache.org"

[RELEASE] Apache Cassandra 5.0-alpha2 released

2023-11-04 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 5.0-alpha2. This release contains Vector Similarity Search (CEP-30). http://cassandra.apache.org/ Downloads of source and binary distributions are listed in our download section: http://cassandra.apache.org/dow

[RELEASE] Apache Cassandra 5.0-alpha1 released

2023-09-08 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 5.0-alpha1. DISCLAIMER, this alpha release does not contain the expected 5.0 features: Vector Search (CEP-30), Transactional Cluster Metadata (CEP-21) and Accord Transactions (CEP-15). These features will land in a

[RELEASE] Apache Cassandra 4.1.2 released

2023-05-29 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.1.2. 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 an

[RELEASE] Apache Cassandra 4.0.10 released

2023-05-29 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.0.10. 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: JIRA account creation request

2023-02-15 Thread Mick Semb Wever
> HI Mick, > > Could you pls. help with JIRA account for me as well ? > Done Srinivas. You should have received an email. Welcome to the Cassandra community.

Re: JIRA account creation request

2023-02-15 Thread Mick Semb Wever
> I would like to get my JIRA account created as I would like to contribute. > Here are my details > > email address : manishkhandelwa...@gmail.com > Your jira account has been created. You should have received an email. regards, Mick

Re: Upgrading Cassandra 3.11.14 → 4.1

2023-01-24 Thread Mick Semb Wever
On Mon, 16 Jan 2023 at 14:38, Lapo Luchini wrote: > is upgrading Cassandra 3.11.14 → 4.1 supported, > 3.11.14 → 4.1 is supported. It is recommended to go to the last patch version (i.e. 3.11.14) before the major upgrade. Make sure to ensure all sstables are upgraded to the current format b

Re: [DISCUSS] Formation of Apache Cassandra Publicity & Marketing Group

2023-01-24 Thread Mick Semb Wever
The market...@cassandra.apache.org list is created. To subscribe send an email to marketing-subscr...@cassandra.apache.org from the email address you want to subscribe from. If you are a committer you can alternately use Whimsy: https://whimsy.apache.org/committers/subscribe regards, Mick On F

[RELEASE] Apache Cassandra 4.1.0 GA released

2022-12-13 Thread Mick Semb Wever
The Cassandra team is pleased to announce the GA release of Apache Cassandra version 4.1.0. 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

[RELEASE] Apache Cassandra 4.1-rc1 released

2022-11-22 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.1-rc1. 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

[RELEASE] Apache Cassandra 4.0.7 released

2022-10-23 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.0.7. 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 an

[RELEASE] Apache Cassandra 3.11.14 released

2022-10-23 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 3.11.14. 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

[RELEASE] Apache Cassandra 3.0.28 released

2022-10-23 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 3.0.28. 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: [RELEASE] Apache Cassandra 4.1-beta1 released

2022-10-12 Thread Mick Semb Wever
Correction… Downloads of source and binary distributions are listed in our download > section: > > http://cassandra.apache.org/download/ > The source and binary distributions are to be found here: https://downloads.apache.org/cassandra/4.1-beta1/ (4.1 won't appear on our downloads page until

[RELEASE] Apache Cassandra 4.1-beta1 released

2022-10-05 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.1-beta1. 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 sourc

[ANNOUNCE] Debian and RedHat package repositories are moving!

2022-08-26 Thread Mick Semb Wever
Your Debian `cassandra.sources.list` and RedHat `cassandra.repo` files must be updated to the new repository URLs. The Debian file is typically at `/etc/apt/sources.list.d/cassandra.sources.list`. The RedHat file is typically at `/etc/yum.repos.d/cassandra.repo`. For Debian the repository is now

[RELEASE] Apache Cassandra 4.0.6 released

2022-08-25 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.0.6. 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 source an

[RELEASE] Apache Cassandra 4.0.5 released

2022-07-18 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.0.5. 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 source an

Re: [RELEASE] Apache Cassandra 4.1-alpha1 released

2022-05-30 Thread Mick Semb Wever
> > Downloads of source and binary distributions are listed in our download > section: > > http://cassandra.apache.org/download/ > > This version is the first alpha release[1] on the 4.1 series. As always, > please pay attention to the release notes[2] and Let us know[3] if you were > to encounter

[RELEASE] Apache Cassandra 4.1-alpha1 released

2022-05-27 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.1-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 sour

Last week to submit a talk to ApacheCon New Orleans and the Cassandra track

2022-05-17 Thread Mick Semb Wever
ApacheCon North America will be held October 3-6, at the Sheraton Hotel in New Orleans. The CFP closes this weekend! https://www.apachecon.com/acna2022/cfp.html It will be fantastic to catch up with as many of you as possible. Even better will be the talks you share with us, but you gotta submit

[RELEASE] Apache Cassandra 4.0.4 released

2022-05-13 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.0.4. 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 an

[RELEASE] Apache Cassandra 3.11.13 released

2022-05-13 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 3.11.13. 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

[RELEASE] Apache Cassandra 3.0.27 released

2022-05-13 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 3.0.27. 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

Applications for Travel Assistance to ApacheCon NA 2022 now open

2022-04-20 Thread Mick Semb Wever
(On behalf of the TAC) The ASF Travel Assistance Committee (TAC) is pleased to announce that travel assistance applications for ApacheCon NA 2022 are now open! We will be supporting ApacheCon North America in New Orleans, Louisiana, on October 3rd through 6th, 2022. TAC exists to help those that

Cassandra track Call for Papers. ApacheCon NA October 3-6, 2022

2022-04-12 Thread Mick Semb Wever
We are excited to announce that the upcoming ApacheCon North America will have a two day Cassandra track. ApacheCon North America will be held October 3-6, at the Sheraton Hotel in New Orleans. The CFP is now open, and will be until May 23rd. We are interested in all talks with anything related

[RELEASE] Apache Cassandra 4.0.3 released

2022-02-16 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.0.3. 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 an

[RELEASE] Apache Cassandra 4.0.2 released

2022-02-11 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.0.2. 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 an

[RELEASE] Apache Cassandra 3.11.12 released

2022-02-11 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 3.11.12. 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

[RELEASE] Apache Cassandra 3.0.26 released

2022-02-11 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 3.0.26. 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: 4.1 Release Date

2022-01-31 Thread Mick Semb Wever
> > Apache Cassandra 3.0 > Released on 2021-02-01, and supported until 4.1 release > (April 2022). > Would the wording "… and supported until 4.1.0 release (May-June 2022)." be enough? (it would be nice to keep the text brief on this page) If you would like to… this is th

[RELEASE] Apache Cassandra 4.0-rc2 released

2021-06-30 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.0-rc2. 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 4.0-rc1 released

2021-04-25 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.0-rc1. 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

[RELEASE] Apache Cassandra 4.0-beta4 released

2020-12-30 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.0-beta4. 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 sourc

Re: Enable Ttracing

2020-11-30 Thread Mick Semb Wever
> I just took a cursory look at the presentation and Zipkin.io. Would using > Zipkin degrade performance? Would it be considerable? > In comparison, no. > > Traces (spans) are immediately off-threaded into a Kafka Zipkin transport, and then the Zipkin server has its own Cassandra cluster. This of

Re: Enable Ttracing

2020-11-29 Thread Mick Semb Wever
> I have a feeling that this tool will give me hell. 😈 > I'll just have to wait till they implement it and monitor the clusters, > but at least I know what to expect. > The tracing implementation is pluggable in 3.11. For example you can push traces into Zipkin (and a separate C* cluster) using

[RELEASE] Apache Cassandra 4.0-beta3 released

2020-11-04 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.0-beta3. 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 sourc

[RELEASE] Apache Cassandra 3.0.23 released

2020-11-04 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 3.0.23. 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 3.11.9 released

2020-11-04 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 3.11.9. 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 2.2.19 released

2020-11-04 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 2.2.19. 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 source a

[RELEASE] Apache Cassandra 4.0-beta2 released

2020-08-31 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.0-beta2. 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 sourc

[RELEASE] Apache Cassandra 3.0.22 released

2020-08-31 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 3.0.22. 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 3.11.8 released

2020-08-31 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 3.11.8. 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 2.2.18 released

2020-08-31 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 2.2.18. 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 2.1.22 released

2020-08-31 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 2.1.22. 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 3.0.21 released

2020-07-29 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 3.0.21. 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 an

[RELEASE] Apache Cassandra 3.11.7 released

2020-07-24 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 3.11.7. 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 an

[RELEASE] Apache Cassandra 2.2.17 released

2020-07-24 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 2.2.17. 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 an

Re: [RELEASE] Apache Cassandra 4.0-beta1 released

2020-07-24 Thread Mick Semb Wever
> This version is a beta release[1] on the 4.0 series. As always, please > pay attention to the release notes[2] and let us know[3] if you were > to encounter any problem. A quick followup note to both user and dev groups. Our Beta release guidelines¹ states that there will be no further API ch

[RELEASE] Apache Cassandra 4.0-beta1 released

2020-07-20 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.0-beta1. 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 sourc

[RELEASE] Apache Cassandra 4.0-alpha4 released

2020-04-24 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.0-alpha4. 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 sourc

[RELEASE] Apache Cassandra 4.0-alpha3 released

2020-02-07 Thread Mick Semb Wever
The Cassandra team is pleased to announce the release of Apache Cassandra version 4.0-alpha3. 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

JOB | The Last Pickle (Consultant) in USA

2019-11-20 Thread Mick Semb Wever
The Last Pickle is hiring in the US: https://thelastpickle.com/blog/2019/10/24/tlp-is-hiring-another-consultant.html If you enjoy Cassandra like we do, and are keen to join our team, reach out (see details in link above). regards, Mick ---

Re: Cassandra: Inconsistent data on reads (LOCAL_QUORUM)

2018-10-24 Thread Mick Semb Wever
from short reads that Jeff's already pointed out, is the use of `speculative_retry='ALWAYS'`. Has there topology changes in your cluster recently? Next step would be to try and repeat it with tracing. regards, Mick -- Mick Semb Wever Australia The Last Pickle Apac

Re: Cassandra: Inconsistent data on reads (LOCAL_QUORUM)

2018-10-20 Thread Mick Semb Wever
> 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. Just to check Ninad. If you are using Cassandra-2.1 (native protocol v3) and the java driver version 3.0 or above, then you would be using client-side tim

Re: Reaper 1.2 released

2018-07-25 Thread Mick Semb Wever
Feel free to file issues at https://github.com/thelastpickle/cassandra-reaper/issues or chat with us at https://gitter.im/thelastpickle/cassandra-reaper regards, Mick On Thu, 26 Jul 2018, at 06:18, Abdul Patel wrote: > Was abke start it but unable to start any repair manually it says > POST/

Re: Inconsistent Quorum Read after Quorum Write

2018-07-11 Thread Mick Semb Wever
uisite if you want help from the open source community, none of us really enjoy debugging old code :-) regards, Mick -- Mick Semb Wever Australia The Last Pickle Apache Cassandra Consulting http://www.thelastpickle.com

Re: Inconsistent Quorum Read after Quorum Write

2018-07-11 Thread Mick Semb Wever
dropped messages or flapping nodes won't help. I'd also be prepared to upgrade to 3.11.3, when it does get released. regards, Mick -- Mick Semb Wever Australia The Last Pickle Apache Cassandra Consulting http://www.thelastpickle.com

Re: How to Protect Tracing Requests From Client Side

2018-03-22 Thread Mick Semb Wever
c final NoOpTraceState INSTANCE = new NoOpTraceState(); private NoOpTraceState() { super(FBUtilities.getBroadcastAddress(), UUID.randomUUID(), TraceType.NONE); } @Override protected void traceImpl(String message) {} } } ``` regards, Mick -- Mick Semb Wev

Re: 3.0.15 or 3.11.1

2018-01-08 Thread Mick Semb Wever
> > Can you please provide dome JIRAs for superior fixes and performance > improvements which are present in 3.11.1 but are missing in 3.0.15. > Some that come to mind… Cassandra Storage Engine: CASSANDRA-12269, CASSANDRA-12731 Streaming and Compaction: CASSANDRA-11206, CASSANDRA-9766, CASSANDR

Re: Why does SASI index consume such a huge disk space?

2018-01-03 Thread Mick Semb Wever
> I use zipkin (https://github.com/openzipkin/zipkin) to trace my system. > > When I upgraded to the latest version ,3.23 be specific. I met a problem which our monitor keep alerting that there is not enough disk space for cassandra. You're right. CONTAINS SASI indexes do indeed use a lot of disk

Re: 3.0.15 or 3.11.1

2018-01-03 Thread Mick Semb Wever
> > I want to upgrade from 2.x to 3.x. > > I can definitely use the features in 3.11.1 but it's not a must. > So my question is, is 3.11.1 stable and suitable for Production compared > to 3.0.15? > Use 3.11.1 and don't use any 3.0.x or 3.x features. 3.11.1 is effectively three sequential patch re

Re: LegacySchemaTables.createKeyspaceFromSchemaPartition fails with an IllegalStateException

2016-07-31 Thread Mick Semb Wever
2.2.7.jar:2.2.7-SNAPSHOT] > at > org.apache.cassandra.schema.LegacySchemaTables.readSchemaFromSystemTables(LegacySchemaTables.java:219) > ~[apache-cassandra-2.2.7.jar:2.2.7-SNAPSHOT] > Soto, I've created the following issue for this – https://issues.apache.org/jira/browse/CASSANDRA-

Re: CASSANDRA-2388 - ColumnFamilyRecordReader fails for a given split because a host is down

2012-03-16 Thread Mick Semb Wever
Sorry for such a late reply. I'm not always keeping up with the mailing list. > Is the following scenario covered by 2388? I have a test cluster of 6 > nodes with a replication factor of 3. Each server can execute hadoop > tasks. 1 cassandra node is down for the test. > > The job is kicked off fr

Re: OOM opening bloom filter

2012-03-13 Thread Mick Semb Wever
> How much smaller did the BF get to ? After pending compactions completed today, i'm presuming fp_ratio is applied now to all sstables in the keyspace, it has gone from 20G+ down to 1G. This node is now running comfortably on Xmx4G (used heap ~1.5G). ~mck -- "A Microsoft Certified System

Re: OOM opening bloom filter

2012-03-12 Thread Mick Semb Wever
> > > > It's my understanding then for this use case that bloom filters are of > > > > little importance and that i can Ok. To summarise our actions to get us out of this situation, in hope that it may help others one day, we did the following actions: 1) upgrade to 1.0.7 2) set fp_ratio=0.99

Re: OOM opening bloom filter

2012-03-11 Thread Mick Semb Wever
On Sun, 2012-03-11 at 15:36 -0700, Peter Schuller wrote: > Are you doing RF=1? That is correct. So are you calculations then :-) > > very small, <1k. Data from this cf is only read via hadoop jobs in batch > > reads of 16k rows at a time. > [snip] > > It's my understanding then for this use cas

Re: OOM opening bloom filter

2012-03-11 Thread Mick Semb Wever
On Sun, 2012-03-11 at 15:06 -0700, Peter Schuller wrote: > If it is legitimate use of memory, you *may*, depending on your > workload, want to adjust target bloom filter false positive rates: > >https://issues.apache.org/jira/browse/CASSANDRA-3497 This particular cf has up to ~10 billion row

OOM opening bloom filter

2012-03-11 Thread Mick Semb Wever
Using cassandra-1.0.6 one node fails to start. java.lang.OutOfMemoryError: Java heap space at org.apache.cassandra.utils.obs.OpenBitSet.(OpenBitSet.java:104) at org.apache.cassandra.utils.obs.OpenBitSet.(OpenBitSet.java:92) at org.apache.cassandra.utils.BloomFilterSerializ

memory problems still post- CASSANDRA-3492

2011-11-15 Thread Mick Semb Wever
I've got a following problem to CASSANDRA-3492, also related to ridiculously high memory. After the fix yesterday for CASSANDRA-3492 I have that node in question up and running. But another node (on the same machine but different cluster), even after an upgrade to the staging 1.0.3 and a `nodet

Re: range slice with TimeUUID column names

2011-11-13 Thread Mick Semb Wever
On Thu, 2011-11-10 at 22:35 -0800, footh wrote: > > UUID startId = new UUID(UUIDGen.createTime(start), > UUIDGen.getClockSeqAndNode()); > UUID finishId = new UUID(UUIDGen.createTime(finish), > UUIDGen.getClockSeqAndNode()); You have got comparator_type = TimeUUIDType ? ~mck -- "The old law

Re: OOM on CompressionMetadata.readChunkOffsets(..)

2011-10-31 Thread Mick Semb Wever
On Mon, 2011-10-31 at 13:05 +0100, Mick Semb Wever wrote: > Given a 60G sstable, even with 64kb chunk_length, to read just that one > sstable requires close to 8G free heap memory... Arg, that calculation was a little off... (a long isn't exactly 8K...) But you get my conce

Re: OOM on CompressionMetadata.readChunkOffsets(..)

2011-10-31 Thread Mick Semb Wever
On Mon, 2011-10-31 at 09:07 +0100, Mick Semb Wever wrote: > The read pattern of these rows is always in bulk so the chunk_length > could have been much higher so to reduce memory usage (my largest > sstable is 61G). Isn't CompressionMetadata.readChunkOffsets(..) rather dangerous

Re: get_range_slices OOM on CompressionMetadata.readChunkOffsets(..)

2011-10-31 Thread Mick Semb Wever
On Mon, 2011-10-31 at 10:08 +0100, Sylvain Lebresne wrote: > you can > trigger a "user defined compaction" through JMX on each of the sstable > you want to rebuild. May i ask how? Everything i see from NodeProbe to StorageProxy is ks and cf based. ~mck -- “Anyone who lives within their means s

Re: get_range_slices OOM on CompressionMetadata.readChunkOffsets(..)

2011-10-31 Thread Mick Semb Wever
On Mon, 2011-10-31 at 10:08 +0100, Sylvain Lebresne wrote: > >> I set chunk_length_kb to 16 as my rows are very skinny (typically 100b) > > > > > > I see now this was a bad choice. > > The read pattern of these rows is always in bulk so the chunk_length > > could have been much higher so to reduce

Re: get_range_slices OOM on CompressionMetadata.readChunkOffsets(..)

2011-10-31 Thread Mick Semb Wever
On Mon, 2011-10-31 at 08:00 +0100, Mick Semb Wever wrote: > After an upgrade to cassandra-1.0 any get_range_slices gives me: > > java.lang.OutOfMemoryError: Java heap space > at > org.apache.cassandra.io.compress.CompressionMetadata.readChunkOffsets(CompressionMetadata.java

get_range_slices OOM on CompressionMetadata.readChunkOffsets(..)

2011-10-31 Thread Mick Semb Wever
After an upgrade to cassandra-1.0 any get_range_slices gives me: java.lang.OutOfMemoryError: Java heap space at org.apache.cassandra.io.compress.CompressionMetadata.readChunkOffsets(CompressionMetadata.java:93) at org.apache.cassandra.io.compress.CompressionMetadata.(CompressionM

Re: Task's map reading more record than CFIF's inputSplitSize

2011-09-07 Thread Mick Semb Wever
> > 3 map tasks (from 4013) is still running after read 25 million rows. > > Can this be a bug in StorageService.getSplits(..) ? > > getSplits looks pretty foolproof to me but I guess we'd need to add > more debug logging to rule out a bug there for sure. > > I guess the main alternative would b

Re: RF=1 w/ hadoop jobs

2011-09-05 Thread Mick Semb Wever
On Mon, 2011-09-05 at 21:52 +0200, Patrik Modesto wrote: > I'm not sure about 0.8.x and 0.7.9 (to be released today with your > patch) but 0.7.8 will fail even with RF>1 when there is Hadoop > TaskTracer without local Cassandra. So increasing RF is not a > solution. This isn't true (or not the in

Re: KeyRange in the CoumnFamilyInputFormat

2011-09-05 Thread Mick Semb Wever
On Mon, 2011-09-05 at 19:02 +0200, Mick Semb Wever wrote: > > ConfigHelper.setInputRange( > jobConf, > > partitioner.getTokenFactory().toString(partitioner.getToken(myKey)), > > partitioner.getTokenFactory().toString

Re: KeyRange in the CoumnFamilyInputFormat

2011-09-05 Thread Mick Semb Wever
On Mon, 2011-09-05 at 18:18 +0300, Vitaly Vengrov wrote: > See these rows in the ColumnFamilyInputFormat.getSplits method : > > assert jobKeyRange.start_key == null : "only start_token supported"; > > assert jobKeyRange.end_key == null : "only end_token supported"; > > So, the

Re: RF=1 w/ hadoop jobs

2011-09-05 Thread Mick Semb Wever
On Fri, 2011-09-02 at 09:28 +0200, Patrik Modesto wrote: > We use Cassandra as a storage for web-pages, we store the HTML, all > URLs that has the same HTML data and some computed data. We run Hadoop > MR jobs to compute lexical and thematical data for each page and for > exporting the data to a bi

Re: RF=1 w/ hadoop jobs

2011-09-01 Thread Mick Semb Wever
On Fri, 2011-09-02 at 08:20 +0200, Patrik Modesto wrote: > As Jonathan > already explained himself: "ignoring unavailable ranges is a > misfeature, imo" Generally it's not what one would want i think. But I can see the case when data is to be treated volatile and ignoring unavailable ranges may b

Re: [jira] [Commented] (CASSANDRA-2474) CQL support for compound columns

2011-06-13 Thread Mick Semb Wever
On Sun, 2011-06-12 at 18:53 +, Mick Semb Wever wrote: > > This issue could stand to be summarized (I still wish we used a > > mailing list for monsters like this). > > > This i actually really appreciate about the cassandra community. To formulate this: As a newbie h

Re: [jira] [Commented] (CASSANDRA-2474) CQL support for compound columns

2011-06-12 Thread Mick Semb Wever
On Sun, 2011-06-12 at 12:10 -0500, Eric Evans wrote: > > Why not send all Jira changes to a mailing already (like other > > communities do). > > We do. I had a quick search and could not find it. But now i see it's part of the commits list. ~mck -- "Everything you can imagine is real." Pablo

Re: [jira] [Commented] (CASSANDRA-2474) CQL support for compound columns

2011-06-12 Thread Mick Semb Wever
On Sun, 2011-06-12 at 13:50 +, Eric Evans (JIRA) wrote: > Eric Evans commented on CASSANDRA-2474: > --- > > This issue could stand to be summarized (I still wish we used a > mailing list for monsters like this). This i actually really appreciate about the

Re: [hadoop] Counters in ColumnFamilyOutputFormat?

2011-05-19 Thread Mick Semb Wever
On Thu, 2011-05-19 at 09:23 -0500, Jonathan Ellis wrote: > > Using "native" Thrift mutations makes the most sense to me now, which > would keep it similar in structure but avoid the avroToThrift copy. https://issues.apache.org/jira/browse/CASSANDRA-2667 -- "Everything you can imagine is real.

Re: CL.ONE gives UnavailableException on ok node

2011-04-15 Thread Mick Semb Wever
On Fri, 2011-04-15 at 15:43 -0500, Jonathan Ellis wrote: > Sure sounds like you have RF=1 to me. Yes that's right. I see... so the answer here is that i should be using CL.ANY ? (so the write goes through and hinted handoff can get it to the correct node latter on). ~mck -- "The fox condemns t

CL.ONE gives UnavailableException on ok node

2011-04-15 Thread Mick Semb Wever
Just experienced something i don't understand yet. Running a 3 node cluster successfully for a few days now, then one of the nodes went down (server required reboot). After this the other two nodes kept throwing UnavailableExceptions like UnavailableException() at org.apache.cassandra.se

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