[jira] [Updated] (CASSANDRA-7486) Migrate to G1GC by default

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Albert P Tobey updated CASSANDRA-7486: -- Assignee: Benedict (was: Albert P Tobey) > Migrate to G1GC by default >

[jira] [Commented] (CASSANDRA-7486) Migrate to G1GC by default

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14877418#comment-14877418 ] Albert P Tobey commented on CASSANDRA-7486: --- The main point of switching to G1 was to enable

[jira] [Commented] (CASSANDRA-7486) Migrate to G1GC by default

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14877311#comment-14877311 ] Albert P Tobey commented on CASSANDRA-7486: --- Is the picture equally bleak at RF=3? Do the

[jira] [Commented] (CASSANDRA-10249) Reduce over-read for standard disk io by 16x

[ https://issues.apache.org/jira/browse/CASSANDRA-10249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14740056#comment-14740056 ] Albert P Tobey commented on CASSANDRA-10249: I'm benchmarking this patch when I have time

[jira] [Commented] (CASSANDRA-10249) Reduce over-read for standard disk io by 16x

[ https://issues.apache.org/jira/browse/CASSANDRA-10249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14729820#comment-14729820 ] Albert P Tobey commented on CASSANDRA-10249: I'm running benchmarks now and will create a

[jira] [Updated] (CASSANDRA-10249) Reduce over-read for standard disk io by 16x

[ https://issues.apache.org/jira/browse/CASSANDRA-10249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Albert P Tobey updated CASSANDRA-10249: --- Attachment: yourkit-screenshot.png > Reduce over-read for standard disk io by

[jira] [Updated] (CASSANDRA-10249) Reduce over-read for standard disk io by 16x

[ https://issues.apache.org/jira/browse/CASSANDRA-10249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Albert P Tobey updated CASSANDRA-10249: --- Attachment: stock-2.1.9-dstat-lvn10.png > Reduce over-read for standard disk io

[jira] [Updated] (CASSANDRA-10249) Reduce over-read for standard disk io by 16x

[ https://issues.apache.org/jira/browse/CASSANDRA-10249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Albert P Tobey updated CASSANDRA-10249: --- Attachment: patched-2.1.9-dstat-lvn10.png > Reduce over-read for standard disk

[jira] [Updated] (CASSANDRA-10249) Reduce over-read for standard disk io by 16x

[ https://issues.apache.org/jira/browse/CASSANDRA-10249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Albert P Tobey updated CASSANDRA-10249: --- Description: On read workloads, Cassandra 2.1 reads drastically more data than

[jira] [Created] (CASSANDRA-10249) Reduce over-read for standard disk io by 16x

Albert P Tobey created CASSANDRA-10249: -- Summary: Reduce over-read for standard disk io by 16x Key: CASSANDRA-10249 URL: https://issues.apache.org/jira/browse/CASSANDRA-10249 Project: Cassandra

[jira] [Commented] (CASSANDRA-8894) Our default buffer size for (uncompressed) buffered reads should be smaller, and based on the expected record size

[ https://issues.apache.org/jira/browse/CASSANDRA-8894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14726544#comment-14726544 ] Albert P Tobey commented on CASSANDRA-8894: --- Sorry I'm late to the thread, but the recently

[jira] [Updated] (CASSANDRA-10249) Reduce over-read for standard disk io by 16x

[ https://issues.apache.org/jira/browse/CASSANDRA-10249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Albert P Tobey updated CASSANDRA-10249: --- Description: On read workloads, Cassandra 2.1 reads drastically more data than

[jira] [Comment Edited] (CASSANDRA-9946) use ioprio_set on compaction threads by default instead of manually throttling

[ https://issues.apache.org/jira/browse/CASSANDRA-9946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14651488#comment-14651488 ] Albert P Tobey edited comment on CASSANDRA-9946 at 8/3/15 6:22 AM:

[jira] [Commented] (CASSANDRA-9946) use ioprio_set on compaction threads by default instead of manually throttling

[ https://issues.apache.org/jira/browse/CASSANDRA-9946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14651488#comment-14651488 ] Albert P Tobey commented on CASSANDRA-9946: --- Here's a script for pinning

[jira] [Comment Edited] (CASSANDRA-9946) use ioprio_set on compaction threads by default instead of manually throttling

[ https://issues.apache.org/jira/browse/CASSANDRA-9946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14651488#comment-14651488 ] Albert P Tobey edited comment on CASSANDRA-9946 at 8/3/15 6:23 AM:

[jira] [Commented] (CASSANDRA-9274) Changing memtable_flush_writes per recommendations in cassandra.yaml causes memtable_cleanup_threshold to be too small

[ https://issues.apache.org/jira/browse/CASSANDRA-9274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14581497#comment-14581497 ] Albert P Tobey commented on CASSANDRA-9274: --- I've been messing with these

[jira] [Commented] (CASSANDRA-8150) Revaluate Default JVM tuning parameters

[ https://issues.apache.org/jira/browse/CASSANDRA-8150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14575206#comment-14575206 ] Albert P Tobey commented on CASSANDRA-8150: --- I did some testing on EC2 with

[jira] [Comment Edited] (CASSANDRA-8150) Revaluate Default JVM tuning parameters

[ https://issues.apache.org/jira/browse/CASSANDRA-8150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14575206#comment-14575206 ] Albert P Tobey edited comment on CASSANDRA-8150 at 6/5/15 8:56 PM:

[jira] [Commented] (CASSANDRA-9517) Switch to DTCS for hint storage

[ https://issues.apache.org/jira/browse/CASSANDRA-9517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14565433#comment-14565433 ] Albert P Tobey commented on CASSANDRA-9517: --- The big question is if we can

[jira] [Commented] (CASSANDRA-9517) Switch to DTCS for hint storage

[ https://issues.apache.org/jira/browse/CASSANDRA-9517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14565469#comment-14565469 ] Albert P Tobey commented on CASSANDRA-9517: --- My original theory was that we

[jira] [Commented] (CASSANDRA-7486) Migrate to G1GC by default

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14563219#comment-14563219 ] Albert P Tobey commented on CASSANDRA-7486: --- I tested a number of different

[jira] [Commented] (CASSANDRA-7486) Migrate to G1GC by default

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14561432#comment-14561432 ] Albert P Tobey commented on CASSANDRA-7486: --- Updated patches with spelling

[jira] [Issue Comment Deleted] (CASSANDRA-7486) Migrate to G1GC by default

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Albert P Tobey updated CASSANDRA-7486: -- Comment: was deleted (was: Yeah. I started on the Powershell scripts but figured I

[jira] [Commented] (CASSANDRA-7486) Migrate to G1GC by default

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14560200#comment-14560200 ] Albert P Tobey commented on CASSANDRA-7486: ---

[jira] [Commented] (CASSANDRA-7486) Compare CMS and G1 pause times

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14559669#comment-14559669 ] Albert P Tobey commented on CASSANDRA-7486: ---

[jira] [Commented] (CASSANDRA-7486) Migrate to G1GC by default

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14559851#comment-14559851 ] Albert P Tobey commented on CASSANDRA-7486: --- Yeah. I started on the

[jira] [Commented] (CASSANDRA-7486) Migrate to G1GC by default

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14559852#comment-14559852 ] Albert P Tobey commented on CASSANDRA-7486: --- Yeah. I started on the

[jira] [Commented] (CASSANDRA-7486) Migrate to G1GC by default

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14559853#comment-14559853 ] Albert P Tobey commented on CASSANDRA-7486: --- Yeah. I started on the

[jira] [Issue Comment Deleted] (CASSANDRA-7486) Migrate to G1GC by default

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Albert P Tobey updated CASSANDRA-7486: -- Comment: was deleted (was: Yeah. I started on the Powershell scripts but figured I

[jira] [Commented] (CASSANDRA-7486) Compare CMS and G1 pause times

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14553067#comment-14553067 ] Albert P Tobey commented on CASSANDRA-7486: --- I'll attach a patch ASAP.

[jira] [Commented] (CASSANDRA-8651) Add support for running on Apache Mesos

[ https://issues.apache.org/jira/browse/CASSANDRA-8651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14553408#comment-14553408 ] Albert P Tobey commented on CASSANDRA-8651: --- The code is here:

[jira] [Commented] (CASSANDRA-7486) Compare CMS and G1 pause times

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14550741#comment-14550741 ] Albert P Tobey commented on CASSANDRA-7486: --- Did you run into evacuation

[jira] [Commented] (CASSANDRA-7486) Compare CMS and G1 pause times

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14523593#comment-14523593 ] Albert P Tobey commented on CASSANDRA-7486: --- if I am reading correctly there

[jira] [Commented] (CASSANDRA-7486) Compare CMS and G1 pause times

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14523724#comment-14523724 ] Albert P Tobey commented on CASSANDRA-7486: --- I only started messing with G1

[jira] [Commented] (CASSANDRA-7486) Compare CMS and G1 pause times

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14519791#comment-14519791 ] Albert P Tobey commented on CASSANDRA-7486: --- [~aweisberg] comparing

[jira] [Commented] (CASSANDRA-9193) Facility to write dynamic code to selectively trigger trace or log for queries

[ https://issues.apache.org/jira/browse/CASSANDRA-9193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14503111#comment-14503111 ] Albert P Tobey commented on CASSANDRA-9193: --- Maybe just steal this?

[jira] [Comment Edited] (CASSANDRA-7486) Compare CMS and G1 pause times

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14497603#comment-14497603 ] Albert P Tobey edited comment on CASSANDRA-7486 at 4/16/15 6:05 AM:

[jira] [Comment Edited] (CASSANDRA-7486) Compare CMS and G1 pause times

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14497603#comment-14497603 ] Albert P Tobey edited comment on CASSANDRA-7486 at 4/16/15 6:11 AM:

[jira] [Commented] (CASSANDRA-7486) Compare CMS and G1 pause times

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14497603#comment-14497603 ] Albert P Tobey commented on CASSANDRA-7486: --- My benchmarks completed. These

[jira] [Comment Edited] (CASSANDRA-7486) Compare CMS and G1 pause times

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14497603#comment-14497603 ] Albert P Tobey edited comment on CASSANDRA-7486 at 4/16/15 5:58 AM:

[jira] [Commented] (CASSANDRA-9193) Facility to write dynamic code to selectively trigger trace or log for queries

[ https://issues.apache.org/jira/browse/CASSANDRA-9193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14495157#comment-14495157 ] Albert P Tobey commented on CASSANDRA-9193: --- Javascript makes sense since

[jira] [Commented] (CASSANDRA-7486) Compare CMS and G1 pause times

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14485579#comment-14485579 ] Albert P Tobey commented on CASSANDRA-7486: --- This is with 2.0 / OpenJDK8

[jira] [Commented] (CASSANDRA-7486) Compare CMS and G1 pause times

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14484318#comment-14484318 ] Albert P Tobey commented on CASSANDRA-7486: --- So far my testing of read

[jira] [Commented] (CASSANDRA-7486) Compare CMS and G1 pause times

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14484657#comment-14484657 ] Albert P Tobey commented on CASSANDRA-7486: --- I'll kick off some tests and

[jira] [Commented] (CASSANDRA-8150) Revaluate Default JVM tuning parameters

[ https://issues.apache.org/jira/browse/CASSANDRA-8150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14395572#comment-14395572 ] Albert P Tobey commented on CASSANDRA-8150: --- It appears that

[jira] [Commented] (CASSANDRA-7486) Compare CMS and G1 pause times

[ https://issues.apache.org/jira/browse/CASSANDRA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14389850#comment-14389850 ] Albert P Tobey commented on CASSANDRA-7486: --- I managed to get G1 (Java 8) to

[jira] [Created] (CASSANDRA-8873) Add PropertySeedProvider

Albert P Tobey created CASSANDRA-8873: - Summary: Add PropertySeedProvider Key: CASSANDRA-8873 URL: https://issues.apache.org/jira/browse/CASSANDRA-8873 Project: Cassandra Issue Type: New

[jira] [Assigned] (CASSANDRA-8651) Add support for running on Apache Mesos

[ https://issues.apache.org/jira/browse/CASSANDRA-8651?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Albert P Tobey reassigned CASSANDRA-8651: - Assignee: Albert P Tobey Add support for running on Apache Mesos

[jira] [Commented] (CASSANDRA-8651) Add support for running on Apache Mesos

[ https://issues.apache.org/jira/browse/CASSANDRA-8651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14286450#comment-14286450 ] Albert P Tobey commented on CASSANDRA-8651: --- The folks at Mesosphere are

[jira] [Commented] (CASSANDRA-8494) incremental bootstrap

[ https://issues.apache.org/jira/browse/CASSANDRA-8494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14249103#comment-14249103 ] Albert P Tobey commented on CASSANDRA-8494: --- Neat idea. I think this would

[jira] [Commented] (CASSANDRA-6246) EPaxos

[ https://issues.apache.org/jira/browse/CASSANDRA-6246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14150847#comment-14150847 ] Albert P Tobey commented on CASSANDRA-6246: --- For backwards compatibility, if

[jira] [Commented] (CASSANDRA-7136) Change default paths to ~ instead of /var

[ https://issues.apache.org/jira/browse/CASSANDRA-7136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14018288#comment-14018288 ] Albert P Tobey commented on CASSANDRA-7136: --- [~thobbs] probably not. For

[jira] [Commented] (CASSANDRA-7306) Support edge dcs with more flexible gossip

[ https://issues.apache.org/jira/browse/CASSANDRA-7306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14010205#comment-14010205 ] Albert P Tobey commented on CASSANDRA-7306: --- One real use case is branch

[jira] [Commented] (CASSANDRA-7306) Support edge dcs with more flexible gossip

[ https://issues.apache.org/jira/browse/CASSANDRA-7306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14010210#comment-14010210 ] Albert P Tobey commented on CASSANDRA-7306: --- Another angle: small edge

[jira] [Commented] (CASSANDRA-7136) Change default paths to ~ instead of /var

[ https://issues.apache.org/jira/browse/CASSANDRA-7136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13988153#comment-13988153 ] Albert P Tobey commented on CASSANDRA-7136: --- Agreed on $CASSANDRA_HOME/data.

[jira] [Commented] (CASSANDRA-6487) Log WARN on large batch sizes

[ https://issues.apache.org/jira/browse/CASSANDRA-6487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13848099#comment-13848099 ] Albert P Tobey commented on CASSANDRA-6487: --- If it's not out of the way, it