abhishekrb19 commented on code in PR #16719:
URL: https://github.com/apache/druid/pull/16719#discussion_r1674090056
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server/src/main/java/org/apache/druid/server/coordinator/duty/KillUnusedSegments.java:
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@@ -163,30 +190,44 @@ private DruidCoordinatorRuntimeParams runInternal(final
DruidCoordinatorRuntimeP
* Spawn kill tasks for each datasource in {@code dataSourcesToKill} upto
{@code availableKillTaskSlots}.
*/
private void killUnusedSegments(
- @Nullable final Collection<String> dataSourcesToKill,
+ final Set<String> dataSourcesToKill,
final int availableKillTaskSlots,
final CoordinatorRunStats stats
)
{
- if (CollectionUtils.isNullOrEmpty(dataSourcesToKill) ||
availableKillTaskSlots <= 0) {
+ if (CollectionUtils.isNullOrEmpty(dataSourcesToKill)) {
+ log.info("Skipping KillUnusedSegments because there are no datasources
to kill.");
stats.add(Stats.Kill.SUBMITTED_TASKS, 0);
return;
}
+ final Iterator<String> dataSourcesToKillIterator =
this.datasourceIterator.getIterator();
+ final Set<String> remainingDatasourcesToKill = new
HashSet<>(dataSourcesToKill);
+ final Set<String> datasourcesKilled = new HashSet<>();
Review Comment:
Yeah, that's fair. `remainingDatasourcesToKill` is used as a termination
condition for the iteration. We can remove `datasourcesKilled` because it can
be easily computed at the end for logging.
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