ndimiduk commented on a change in pull request #1933:
URL: https://github.com/apache/hbase/pull/1933#discussion_r443803523
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File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
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@@ -1957,17 +1959,27 @@ public boolean normalizeRegions() throws IOException {
continue;
}
- // as of this writing, `plan.execute()` is non-blocking, so there's
no artificial rate-
- // limiting of merge requests due to this serial loop.
+ // as of this writing, `plan.submit()` is non-blocking and uses
Async Admin APIs to
+ // submit task , so there's no artificial rate-
+ // limiting of merge/split requests due to this serial loop.
for (NormalizationPlan plan : plans) {
- plan.execute(admin);
+ Future<Void> future = plan.submit(admin);
+ submittedPlanList.add(future);
if (plan.getType() == PlanType.SPLIT) {
splitPlanCount++;
} else if (plan.getType() == PlanType.MERGE) {
mergePlanCount++;
}
}
}
+ for (Future<?> submittedPlan : submittedPlanList) {
+ try {
+ submittedPlan.get();
+ } catch (Exception e) {
+ normalizationPlanFailureCount++;
Review comment:
Maybe we don't actually want to log "plans succeeded". Maybe it's enough
that we log "N plans submitted". I would be okay with that. Even better if the
debug level could log the PIDs of the submitted plans, which, I believe,
requires going through `MasterServices`.
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