bbeaudreault commented on code in PR #5534:
URL: https://github.com/apache/hbase/pull/5534#discussion_r1402830447
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hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ReopenTableRegionsProcedure.java:
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@@ -139,33 +170,57 @@ protected Flow executeFromState(MasterProcedureEnv env,
ReopenTableRegionsState
case REOPEN_TABLE_REGIONS_CONFIRM_REOPENED:
regions =
regions.stream().map(env.getAssignmentManager().getRegionStates()::checkReopened)
.filter(l -> l != null).collect(Collectors.toList());
- if (regions.isEmpty()) {
- return Flow.NO_MORE_STATE;
+ // we need to create a set of region names because the HRegionLocation
hashcode is only
+ // based
+ // on the server name
+ Set<byte[]> currentRegionBatchNames = currentRegionBatch.stream()
+ .map(r -> r.getRegion().getRegionName()).collect(Collectors.toSet());
+ currentRegionBatch = regions.stream()
+ .filter(r ->
currentRegionBatchNames.contains(r.getRegion().getRegionName()))
+ .collect(Collectors.toList());
+ if (currentRegionBatch.isEmpty()) {
+ if (regions.isEmpty()) {
+ return Flow.NO_MORE_STATE;
+ } else {
+
setNextState(ReopenTableRegionsState.REOPEN_TABLE_REGIONS_REOPEN_REGIONS);
+ if (reopenBatchBackoffMillis > 0) {
+ backoff(reopenBatchBackoffMillis);
+ }
+ return Flow.HAS_MORE_STATE;
+ }
}
- if (regions.stream().anyMatch(loc -> canSchedule(env, loc))) {
+ if (currentRegionBatch.stream().anyMatch(loc -> canSchedule(env,
loc))) {
retryCounter = null;
setNextState(ReopenTableRegionsState.REOPEN_TABLE_REGIONS_REOPEN_REGIONS);
+ if (reopenBatchBackoffMillis > 0) {
+ backoff(reopenBatchBackoffMillis);
+ }
return Flow.HAS_MORE_STATE;
}
// We can not schedule TRSP for all the regions need to reopen, wait
for a while and retry
// again.
if (retryCounter == null) {
retryCounter =
ProcedureUtil.createRetryCounter(env.getMasterConfiguration());
}
- long backoff = retryCounter.getBackoffTimeAndIncrementAttempts();
+ long backoffMillis = retryCounter.getBackoffTimeAndIncrementAttempts();
LOG.info(
- "There are still {} region(s) which need to be reopened for table {}
are in "
+ "There are still {} region(s) which need to be reopened for table
{}. {} are in "
+ "OPENING state, suspend {}secs and try again later",
- regions.size(), tableName, backoff / 1000);
- setTimeout(Math.toIntExact(backoff));
- setState(ProcedureProtos.ProcedureState.WAITING_TIMEOUT);
- skipPersistence();
+ regions.size(), tableName, currentRegionBatch.size(), backoffMillis
/ 1000);
+ backoff(backoffMillis);
throw new ProcedureSuspendedException();
default:
throw new UnsupportedOperationException("unhandled state=" + state);
}
}
+ private void backoff(long millis) throws ProcedureSuspendedException {
+ setTimeout(Math.toIntExact(millis));
+ setState(ProcedureProtos.ProcedureState.WAITING_TIMEOUT);
+ skipPersistence();
Review Comment:
This might need more research. I know other examples skip persistence,
besides they make no change. But in this case maybe we need persistence so that
we save an updated list of regions still needing to reopen
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