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Hudson commented on HBASE-24380: -------------------------------- Results for branch master [build #1762 on builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/master/1762/]: (x) *{color:red}-1 overall{color}* ---- details (if available): (/) {color:green}+1 general checks{color} -- For more information [see general report|https://builds.apache.org/job/HBase%20Nightly/job/master/1762/General_20Nightly_20Build_20Report/] (x) {color:red}-1 jdk8 hadoop2 checks{color} -- For more information [see jdk8 (hadoop2) report|https://builds.apache.org/job/HBase%20Nightly/job/master/1663//JDK8_Nightly_Build_Report_(Hadoop2)/] (x) {color:red}-1 jdk8 hadoop3 checks{color} -- For more information [see jdk8 (hadoop3) report|https://builds.apache.org/job/HBase%20Nightly/job/master/1762/JDK8_20Nightly_20Build_20Report_20_28Hadoop3_29/] (/) {color:green}+1 jdk11 hadoop3 checks{color} -- For more information [see jdk11 report|https://builds.apache.org/job/HBase%20Nightly/job/master/1762/JDK11_20Nightly_20Build_20Report_20_28Hadoop3_29/] (/) {color:green}+1 source release artifact{color} -- See build output for details. (/) {color:green}+1 client integration test{color} > Improve WAL splitting log lines to enable sessionization > -------------------------------------------------------- > > Key: HBASE-24380 > URL: https://issues.apache.org/jira/browse/HBASE-24380 > Project: HBase > Issue Type: Improvement > Components: logging, Operability, wal > Reporter: Andrew Kyle Purtell > Assignee: Viraj Jasani > Priority: Minor > Fix For: 3.0.0-alpha-1, 2.3.1, 2.4.0 > > > Looking to reconstruct a timeline from write of recovered.edits file back to > start of WAL file split, with a bunch of unrelated activity in the meantime, > there isn't a consistent token that links split file write messages (which > include store path including region hash) to beginning of WAL splitting > activity. Sessonizing by host doesn't work because work can bounce around > through retries. Thread context names in the logs vary and can be like > [nds1-225-fra:60020-7] or [fb472085572ba72e96f1] (trailing digits of region > hash) or [splits-1589016325868] . > We could have WALSplitter get the current time when starting the split of a > WAL file and have it log this timestamp in every line as a splitting session > identifier. > Related, we should track the time of split task execution end to end and > export a metric that captures it. > It might also be worthwhile to wire up more of WAL splitting to TaskMonitor > status logging. If we do this we can also enable status journal logging, so > when a WAL split has completed, a line will appear in the log that has the > list of all status messages recorded during splitting and the time delta in > milliseconds between them. -- This message was sent by Atlassian Jira (v8.3.4#803005)