[jira] [Commented] (KUDU-749) Improve performance for zipfian update

[ https://issues.apache.org/jira/browse/KUDU-749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16861746#comment-16861746 ] Adar Dembo commented on KUDU-749: - [~ZhangYao]'s patch has been merged and will be part of the 1.10.0

[jira] [Resolved] (KUDU-2514) Support extra config for tables.

[ https://issues.apache.org/jira/browse/KUDU-2514?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Adar Dembo resolved KUDU-2514. -- Resolution: Fixed Assignee: Xu Yao Fix Version/s: 1.10.0 [~oclarms] fixed this in 

[jira] [Resolved] (KUDU-483) Non-ordered MRS scanning for better performance

[ https://issues.apache.org/jira/browse/KUDU-483?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Todd Lipcon resolved KUDU-483. -- Resolution: Won't Fix Fix Version/s: n/a Doesn't seem like this would really be worth it >

[jira] [Updated] (KUDU-2846) Special case predicate evaluation for SIMD support

[ https://issues.apache.org/jira/browse/KUDU-2846?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Todd Lipcon updated KUDU-2846: -- Component/s: tserver perf > Special case predicate evaluation for SIMD support >

[jira] [Commented] (KUDU-2847) Optimize iteration over selection vector in SerializeRowBlock

[ https://issues.apache.org/jira/browse/KUDU-2847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16861508#comment-16861508 ] Todd Lipcon commented on KUDU-2847: --- Couple ideas: - convert the bitmap to a list of set indexes once

[jira] [Created] (KUDU-2847) Optimize iteration over selection vector in SerializeRowBlock

Todd Lipcon created KUDU-2847: - Summary: Optimize iteration over selection vector in SerializeRowBlock Key: KUDU-2847 URL: https://issues.apache.org/jira/browse/KUDU-2847 Project: Kudu Issue

[jira] [Commented] (KUDU-2836) Maybe wrong memory size used to detect pressure

[ https://issues.apache.org/jira/browse/KUDU-2836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16861493#comment-16861493 ] Todd Lipcon commented on KUDU-2836: --- bq. I found many mem_tracker_->Release in the code, but is there a

[jira] [Comment Edited] (KUDU-2846) Special case predicate evaluation for SIMD support

[ https://issues.apache.org/jira/browse/KUDU-2846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16861471#comment-16861471 ] Todd Lipcon edited comment on KUDU-2846 at 6/11/19 8:41 PM: example code that

[jira] [Commented] (KUDU-2846) Special case predicate evaluation for SIMD support

[ https://issues.apache.org/jira/browse/KUDU-2846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16861471#comment-16861471 ] Todd Lipcon commented on KUDU-2846: --- example code that does SIMD comparisons for int equality 8 at a

[jira] [Created] (KUDU-2846) Special case predicate evaluation for SIMD support

Todd Lipcon created KUDU-2846: - Summary: Special case predicate evaluation for SIMD support Key: KUDU-2846 URL: https://issues.apache.org/jira/browse/KUDU-2846 Project: Kudu Issue Type:

[jira] [Resolved] (KUDU-2380) Selective predicates when selecting high number of columns burns CPU in SerializeRowBlock

[ https://issues.apache.org/jira/browse/KUDU-2380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Todd Lipcon resolved KUDU-2380. --- Resolution: Fixed Fix Version/s: 1.8.0 > Selective predicates when selecting high number of

[jira] [Created] (KUDU-2845) ksck's JSON output should escape binary strings (like partition keys)

Adar Dembo created KUDU-2845: Summary: ksck's JSON output should escape binary strings (like partition keys) Key: KUDU-2845 URL: https://issues.apache.org/jira/browse/KUDU-2845 Project: Kudu

[jira] [Updated] (KUDU-1907) Lock contention in SASL Kerberos negotiation

[ https://issues.apache.org/jira/browse/KUDU-1907?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Todd Lipcon updated KUDU-1907: -- Priority: Minor (was: Major) > Lock contention in SASL Kerberos negotiation >

[jira] [Commented] (KUDU-2381) Optimize DeltaMemStore for case of no matching deltas

[ https://issues.apache.org/jira/browse/KUDU-2381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16861340#comment-16861340 ] Todd Lipcon commented on KUDU-2381: --- Looking again at a similar workload and still see behavior like

[jira] [Commented] (KUDU-2844) Avoid copying strings from dictionary or plain-encoded blocks

[ https://issues.apache.org/jira/browse/KUDU-2844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16861328#comment-16861328 ] Todd Lipcon commented on KUDU-2844: --- Attached a flame graph of a RPC worker thread during TPCH Q1. We

[jira] [Updated] (KUDU-2844) Avoid copying strings from dictionary or plain-encoded blocks

[ https://issues.apache.org/jira/browse/KUDU-2844?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Todd Lipcon updated KUDU-2844: -- Attachment: fg.svg > Avoid copying strings from dictionary or plain-encoded blocks >

[jira] [Created] (KUDU-2844) Avoid copying strings from dictionary or plain-encoded blocks

Todd Lipcon created KUDU-2844: - Summary: Avoid copying strings from dictionary or plain-encoded blocks Key: KUDU-2844 URL: https://issues.apache.org/jira/browse/KUDU-2844 Project: Kudu Issue

[jira] [Resolved] (KUDU-2830) Improve RPC traces on RPC timeout

[ https://issues.apache.org/jira/browse/KUDU-2830?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Grant Henke resolved KUDU-2830. --- Resolution: Fixed Fix Version/s: 1.10.0 Resolved via 

[jira] [Comment Edited] (KUDU-2836) Maybe wrong memory size used to detect pressure

[ https://issues.apache.org/jira/browse/KUDU-2836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16860593#comment-16860593 ] Yingchun Lai edited comment on KUDU-2836 at 6/11/19 6:17 AM: - Once

[jira] [Commented] (KUDU-2836) Maybe wrong memory size used to detect pressure

[ https://issues.apache.org/jira/browse/KUDU-2836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16860593#comment-16860593 ] Yingchun Lai commented on KUDU-2836: Once mem_tracker_->Release(bytes) is called and bytes is

[jira] [Commented] (KUDU-2836) Maybe wrong memory size used to detect pressure

[ https://issues.apache.org/jira/browse/KUDU-2836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16860585#comment-16860585 ] Yingchun Lai commented on KUDU-2836: Thanks [~tlipcon] I've tried to attach the kudu process with GDB