[jira] [Assigned] (KUDU-3032) key columns unnecessarily selected when predicate is converted to range

[ https://issues.apache.org/jira/browse/KUDU-3032?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ZhangYao reassigned KUDU-3032: -- Assignee: ZhangYao > key columns unnecessarily selected when predicate is converted to range >

[jira] [Assigned] (KUDU-3021) Add metric gauges for the size of transactions applied to tablets and number of rejected transactions due to their size

[ https://issues.apache.org/jira/browse/KUDU-3021?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ZhangYao reassigned KUDU-3021: -- Assignee: ZhangYao > Add metric gauges for the size of transactions applied to tablets and number >

[jira] [Commented] (KUDU-3021) Add metric gauges for the size of transactions applied to tablets and number of rejected transactions due to their size

[ https://issues.apache.org/jira/browse/KUDU-3021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16995441#comment-16995441 ] ZhangYao commented on KUDU-3021: We already have {color:#172b4d}*_transaction_memory_pressure_rejections_* 

[jira] [Assigned] (KUDU-3008) Don't put all replicas into one location with 2 locations and odd replica factor.

[ https://issues.apache.org/jira/browse/KUDU-3008?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ZhangYao reassigned KUDU-3008: -- Assignee: ZhangYao > Don't put all replicas into one location with 2 locations and odd replica >

[jira] [Updated] (KUDU-3008) Don't put all replicas into one location with 2 locations and odd replica factor.

[ https://issues.apache.org/jira/browse/KUDU-3008?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ZhangYao updated KUDU-3008: --- Description: Accidentally I found that kudu will put all replicas of a table into one location when we only

[jira] [Updated] (KUDU-3008) Don't put all replicas into one location with 2 locations and odd replica factor.

[ https://issues.apache.org/jira/browse/KUDU-3008?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ZhangYao updated KUDU-3008: --- Description: Accidentally I found that kudu will put all replicas of a table into one location when we only

[jira] [Created] (KUDU-3008) Don

ZhangYao created KUDU-3008: -- Summary: Don Key: KUDU-3008 URL: https://issues.apache.org/jira/browse/KUDU-3008 Project: Kudu Issue Type: Improvement Reporter: ZhangYao -- This

[jira] [Assigned] (KUDU-2987) Intra location rebalance will crash in special case

[ https://issues.apache.org/jira/browse/KUDU-2987?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ZhangYao reassigned KUDU-2987: -- Assignee: ZhangYao > Intra location rebalance will crash in special case >

[jira] [Created] (KUDU-2987) Intra location rebalance will crash in special case

ZhangYao created KUDU-2987: -- Summary: Intra location rebalance will crash in special case Key: KUDU-2987 URL: https://issues.apache.org/jira/browse/KUDU-2987 Project: Kudu Issue Type: Bug

[jira] [Assigned] (KUDU-2958) ClientTest.TestReplicatedTabletWritesWithLeaderElection is flaky

[ https://issues.apache.org/jira/browse/KUDU-2958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ZhangYao reassigned KUDU-2958: -- Assignee: ZhangYao > ClientTest.TestReplicatedTabletWritesWithLeaderElection is flaky >

[jira] [Commented] (KUDU-2958) ClientTest.TestReplicatedTabletWritesWithLeaderElection is flaky

[ https://issues.apache.org/jira/browse/KUDU-2958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16938199#comment-16938199 ] ZhangYao commented on KUDU-2958: I have encountered this failed yesterday and I have looked the log, I

[jira] [Created] (KUDU-2933) Improvement estimation of spark relation size.

ZhangYao created KUDU-2933: -- Summary: Improvement estimation of spark relation size. Key: KUDU-2933 URL: https://issues.apache.org/jira/browse/KUDU-2933 Project: Kudu Issue Type: Improvement

[jira] [Commented] (KUDU-2929) Don't starve compactions under memory pressure

[ https://issues.apache.org/jira/browse/KUDU-2929?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16918439#comment-16918439 ] ZhangYao commented on KUDU-2929: RowSet compaction will merge and flush DeltaMemStores of selected

[jira] [Commented] (KUDU-1639) Improve predicate pushdown

[ https://issues.apache.org/jira/browse/KUDU-1639?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16917851#comment-16917851 ] ZhangYao commented on KUDU-1639: Hi all. I have designed the OR and NOT predicate in kudu with [~oclarms]

[jira] [Assigned] (KUDU-2921) Exposing the table statistics to spark relation.

[ https://issues.apache.org/jira/browse/KUDU-2921?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ZhangYao reassigned KUDU-2921: -- Assignee: ZhangYao > Exposing the table statistics to spark relation. >

[jira] [Created] (KUDU-2921) Exposing the table statistics to spark relation.

ZhangYao created KUDU-2921: -- Summary: Exposing the table statistics to spark relation. Key: KUDU-2921 URL: https://issues.apache.org/jira/browse/KUDU-2921 Project: Kudu Issue Type: Improvement

[jira] [Commented] (KUDU-2911) Consider the free space when select data dirs for tablets

[ https://issues.apache.org/jira/browse/KUDU-2911?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16897893#comment-16897893 ] ZhangYao commented on KUDU-2911: [~acelyc111] so sorry I didn't notice that issue before :( > Consider

[jira] [Created] (KUDU-2911) Consider the free space when select data dirs for tablets

ZhangYao created KUDU-2911: -- Summary: Consider the free space when select data dirs for tablets Key: KUDU-2911 URL: https://issues.apache.org/jira/browse/KUDU-2911 Project: Kudu Issue Type:

[jira] [Closed] (KUDU-2908) Implement DEFAULT CURRENT_TIMESTAMP and ON UPDATE CURRENT_TIMESTAMP for kudu

[ https://issues.apache.org/jira/browse/KUDU-2908?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ZhangYao closed KUDU-2908. -- Resolution: Duplicate > Implement DEFAULT CURRENT_TIMESTAMP and ON UPDATE CURRENT_TIMESTAMP for kudu >

[jira] [Assigned] (KUDU-2909) Implement DEFAULT CURRENT_TIMESTAMP and ON UPDATE CURRENT_TIMESTAMP for kudu

[ https://issues.apache.org/jira/browse/KUDU-2909?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ZhangYao reassigned KUDU-2909: -- Assignee: ZhangYao > Implement DEFAULT CURRENT_TIMESTAMP and ON UPDATE CURRENT_TIMESTAMP for kudu >

[jira] [Created] (KUDU-2909) Implement DEFAULT CURRENT_TIMESTAMP and ON UPDATE CURRENT_TIMESTAMP for kudu

ZhangYao created KUDU-2909: -- Summary: Implement DEFAULT CURRENT_TIMESTAMP and ON UPDATE CURRENT_TIMESTAMP for kudu Key: KUDU-2909 URL: https://issues.apache.org/jira/browse/KUDU-2909 Project: Kudu

[jira] [Assigned] (KUDU-2908) Implement DEFAULT CURRENT_TIMESTAMP and ON UPDATE CURRENT_TIMESTAMP for kudu

[ https://issues.apache.org/jira/browse/KUDU-2908?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ZhangYao reassigned KUDU-2908: -- Assignee: ZhangYao > Implement DEFAULT CURRENT_TIMESTAMP and ON UPDATE CURRENT_TIMESTAMP for kudu >

[jira] [Created] (KUDU-2908) Implement DEFAULT CURRENT_TIMESTAMP and ON UPDATE CURRENT_TIMESTAMP for kudu

ZhangYao created KUDU-2908: -- Summary: Implement DEFAULT CURRENT_TIMESTAMP and ON UPDATE CURRENT_TIMESTAMP for kudu Key: KUDU-2908 URL: https://issues.apache.org/jira/browse/KUDU-2908 Project: Kudu

[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=16868511#comment-16868511 ] ZhangYao commented on KUDU-2847: I will try to work on it.:) > Optimize iteration over selection vector

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

[ https://issues.apache.org/jira/browse/KUDU-2847?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ZhangYao reassigned KUDU-2847: -- Assignee: ZhangYao > Optimize iteration over selection vector in SerializeRowBlock >

[jira] [Commented] (KUDU-2854) Short circuit predicates on dictionary-coded columns

[ https://issues.apache.org/jira/browse/KUDU-2854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16867570#comment-16867570 ] ZhangYao commented on KUDU-2854: After reading related code as saying in Description, if no entries in the

[jira] [Commented] (KUDU-2868) Support TTL in kudu

[ https://issues.apache.org/jira/browse/KUDU-2868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16867554#comment-16867554 ] ZhangYao commented on KUDU-2868: Here is the design doc:

[jira] [Commented] (KUDU-2868) Support TTL in kudu

[ https://issues.apache.org/jira/browse/KUDU-2868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16866577#comment-16866577 ] ZhangYao commented on KUDU-2868: Overall, TTL may involves three spots: 1、Scan. Treat rows over TTL as

[jira] [Created] (KUDU-2868) Support TTL in kudu

ZhangYao created KUDU-2868: -- Summary: Support TTL in kudu Key: KUDU-2868 URL: https://issues.apache.org/jira/browse/KUDU-2868 Project: Kudu Issue Type: New Feature Reporter: ZhangYao

[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=16865273#comment-16865273 ] ZhangYao commented on KUDU-2381: This week I will try to work on it.:) > Optimize DeltaMemStore for case

[jira] [Assigned] (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:all-tabpanel ] ZhangYao reassigned KUDU-2381: -- Assignee: ZhangYao > Optimize DeltaMemStore for case of no matching deltas >

[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=16856350#comment-16856350 ] ZhangYao commented on KUDU-749: --- Here is the patch:)  [https://gerrit.cloudera.org/#/c/13516/] > Improve

[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=16856257#comment-16856257 ] ZhangYao commented on KUDU-749: --- Oops:(，I mistakenly reversed the result. The average latency decreases by

[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=16855686#comment-16855686 ] ZhangYao commented on KUDU-749: --- Hi, Todd, :) According to your advice I have implemented "seek before"

[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=16855265#comment-16855265 ] ZhangYao commented on KUDU-749: --- Hi, Todd, thanks for your advice :). I will try to implement "seek before"

[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=16854190#comment-16854190 ] ZhangYao commented on KUDU-749: --- Hi, Todd:). In order to accelerate the time spending on

[jira] [Commented] (KUDU-2826) Add redo tail for mutation list to accelerate UPDATE in memrowset

[ https://issues.apache.org/jira/browse/KUDU-2826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16850520#comment-16850520 ] ZhangYao commented on KUDU-2826: Hi, todd. Thanks for reminding that issue:D. I know that my optimization

[jira] [Created] (KUDU-2828) Fix C++ code style and compile warning

ZhangYao created KUDU-2828: -- Summary: Fix C++ code style and compile warning Key: KUDU-2828 URL: https://issues.apache.org/jira/browse/KUDU-2828 Project: Kudu Issue Type: Improvement

[jira] [Commented] (KUDU-2826) Add redo tail for mutation list to accelerate UPDATE in memrowset

[ https://issues.apache.org/jira/browse/KUDU-2826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16846595#comment-16846595 ] ZhangYao commented on KUDU-2826: [https://gerrit.cloudera.org/#/c/13412/] > Add redo tail for mutation

[jira] [Updated] (KUDU-2826) Add redo tail for mutation list to accelerate UPDATE in memrowset

[ https://issues.apache.org/jira/browse/KUDU-2826?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ZhangYao updated KUDU-2826: --- Description:     We found kudu needs traversing the whole mutation list to find tail to append the new

[jira] [Updated] (KUDU-2826) Add redo tail for mutation list to accelerate UPDATE in memrowset

[ https://issues.apache.org/jira/browse/KUDU-2826?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ZhangYao updated KUDU-2826: --- Attachment: (was: 2.png) > Add redo tail for mutation list to accelerate UPDATE in memrowset >

[jira] [Updated] (KUDU-2826) Add redo tail for mutation list to accelerate UPDATE in memrowset

[ https://issues.apache.org/jira/browse/KUDU-2826?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ZhangYao updated KUDU-2826: --- Attachment: (was: 1.png) > Add redo tail for mutation list to accelerate UPDATE in memrowset >

[jira] [Created] (KUDU-2826) Add redo tail for mutation list to accelerate UPDATE in memrowset

ZhangYao created KUDU-2826: -- Summary: Add redo tail for mutation list to accelerate UPDATE in memrowset Key: KUDU-2826 URL: https://issues.apache.org/jira/browse/KUDU-2826 Project: Kudu Issue

[jira] [Commented] (KUDU-2750) Add create timestamp to every table

[ https://issues.apache.org/jira/browse/KUDU-2750?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16797069#comment-16797069 ] ZhangYao commented on KUDU-2750: When we add the create time, we should support the SQL using create time

[jira] [Updated] (KUDU-2533) Add bloomfilter predicate in server side.

[ https://issues.apache.org/jira/browse/KUDU-2533?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ZhangYao updated KUDU-2533: --- Description: Add new bloomfilter predicate for scan. Currently base on cityhash which already been

[jira] [Updated] (KUDU-2533) Add bloomfilter predicate in server side.

[ https://issues.apache.org/jira/browse/KUDU-2533?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ZhangYao updated KUDU-2533: --- External issue URL: (was: https://issues.apache.org/jira/browse/KUDU-2532) > Add bloomfilter predicate in

[jira] [Commented] (KUDU-2533) Add bloomfilter predicate in server side.

[ https://issues.apache.org/jira/browse/KUDU-2533?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16574562#comment-16574562 ] ZhangYao commented on KUDU-2533: PR: [https://gerrit.cloudera.org/#/c/11100/] > Add bloomfilter

[jira] [Commented] (KUDU-2532) Add bloomfilter predicate in server side.

[ https://issues.apache.org/jira/browse/KUDU-2532?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16574555#comment-16574555 ] ZhangYao commented on KUDU-2532: PR: [https://gerrit.cloudera.org/#/c/11100/]   > Add bloomfilter

[jira] [Created] (KUDU-2533) Add bloomfilter predicate in server side.

ZhangYao created KUDU-2533: -- Summary: Add bloomfilter predicate in server side. Key: KUDU-2533 URL: https://issues.apache.org/jira/browse/KUDU-2533 Project: Kudu Issue Type: Sub-task

[jira] [Created] (KUDU-2532) Add bloomfilter predicate in server side.

ZhangYao created KUDU-2532: -- Summary: Add bloomfilter predicate in server side. Key: KUDU-2532 URL: https://issues.apache.org/jira/browse/KUDU-2532 Project: Kudu Issue Type: New Feature

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

[ https://issues.apache.org/jira/browse/KUDU-2514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16563233#comment-16563233 ] ZhangYao commented on KUDU-2514: hm, your advice is very reasonable, I got that. Thanks a lot. > Support

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

[ https://issues.apache.org/jira/browse/KUDU-2514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16561018#comment-16561018 ] ZhangYao commented on KUDU-2514: At the beginning I consider to support the extra config as non-modifiable

[jira] [Commented] (KUDU-2502) Support for undo compaction when keeping long history of data

[ https://issues.apache.org/jira/browse/KUDU-2502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16547306#comment-16547306 ] ZhangYao commented on KUDU-2502: Snapshot serves my case and currently we consider to do the compaction in

[jira] [Closed] (KUDU-2503) Support for undo compaction when keeping long history of data.

[ https://issues.apache.org/jira/browse/KUDU-2503?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ZhangYao closed KUDU-2503. -- Resolution: Duplicate > Support for undo compaction when keeping long history of data. >

[jira] [Created] (KUDU-2503) Support for undo compaction when keeping long history of data.

ZhangYao created KUDU-2503: -- Summary: Support for undo compaction when keeping long history of data. Key: KUDU-2503 URL: https://issues.apache.org/jira/browse/KUDU-2503 Project: Kudu Issue Type:

[jira] [Created] (KUDU-2502) Support for undo compaction when keeping long history of data

ZhangYao created KUDU-2502: -- Summary: Support for undo compaction when keeping long history of data Key: KUDU-2502 URL: https://issues.apache.org/jira/browse/KUDU-2502 Project: Kudu Issue Type: