[
https://issues.apache.org/jira/browse/HIVE-24946?focusedWorklogId=630870&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-630870
]
ASF GitHub Bot logged work on HIVE-24946:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 29/Jul/21 01:11
Start Date: 29/Jul/21 01:11
Worklog Time Spent: 10m
Work Description: hmangla98 commented on a change in pull request #2529:
URL: https://github.com/apache/hive/pull/2529#discussion_r678751529
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/exec/repl/ReplLoadTask.java
##########
@@ -554,6 +555,29 @@ public void run() throws SemanticException {
}
}
});
+ if (work.shouldFailover()) {
+ listOfPreAckTasks.add(new PreAckTask() {
+ @Override
+ public void run() throws SemanticException {
+ try {
+ Database db = getHive().getDatabase(work.getTargetDatabase());
+ Map<String, String> params = db.getParameters();
+ if (params == null) {
+ params = new HashMap<>();
+ db.setParameters(params);
+ } else if (MetaStoreUtils.isTargetOfReplication(db)) {
+ params.remove(ReplConst.TARGET_OF_REPLICATION);
Review comment:
In rollback, this prop would be again set in incremental load.
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/exec/repl/ReplLoadWork.java
##########
@@ -129,16 +130,20 @@ public ReplLoadWork(HiveConf hiveConf, String
dumpDirectory,
if (metricCollector != null) {
metricCollector.setMetricsMBean(name);
}
+ Path failoverReadyMarker = new Path(dumpDirectory,
ReplAck.FAILOVER_READY_MARKER.toString());
+ FileSystem fs = failoverReadyMarker.getFileSystem(hiveConf);
+ shouldFailover =
hiveConf.getBoolVar(HiveConf.ConfVars.HIVE_REPL_FAILOVER_START)
+ && fs.exists(failoverReadyMarker);
incrementalLoadTasksBuilder = new
IncrementalLoadTasksBuilder(dbNameToLoadIn, dumpDirectory,
new IncrementalLoadEventsIterator(dumpDirectory, hiveConf),
hiveConf, eventTo, metricCollector,
- replStatsTracker);
+ replStatsTracker, shouldFailover);
/*
* If the current incremental dump also includes bootstrap for some
tables, then create iterator
* for the same.
*/
Path incBootstrapDir = new Path(dumpDirectory,
ReplUtils.INC_BOOTSTRAP_ROOT_DIR_NAME);
- FileSystem fs = incBootstrapDir.getFileSystem(hiveConf);
+ fs = incBootstrapDir.getFileSystem(hiveConf);
Review comment:
Removed.
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Issue Time Tracking
-------------------
Worklog Id: (was: 630870)
Time Spent: 1.5h (was: 1h 20m)
> Handle failover case during Repl Load
> -------------------------------------
>
> Key: HIVE-24946
> URL: https://issues.apache.org/jira/browse/HIVE-24946
> Project: Hive
> Issue Type: New Feature
> Reporter: Haymant Mangla
> Assignee: Haymant Mangla
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> * Update metric during load to capture the readiness for failover
> * Remove repl.target.for property on target cluster
> * Prepare the dump directory to be used during failover first dump operation
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