loquisgon commented on code in PR #12392:
URL: https://github.com/apache/druid/pull/12392#discussion_r847834259
##########
server/src/main/java/org/apache/druid/server/coordinator/duty/CompactSegments.java:
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@@ -426,6 +426,17 @@ private CoordinatorStats doRun(
if (config.getIoConfig() != null) {
dropExisting = config.getIoConfig().isDropExisting();
}
+ // force dropExisting to true if dropExisting is not set,
+ // dropExistingis false,
+ // or all segments to compact are tombstones.
+ // Otherwise, auto-compaction will cycle indefinitely since segments
won't be compacted and their
+ // compaction state won't be set
Review Comment:
Added comments as described (note that we can also avoid forcing the flag as
described above...please comment if you favor that other way instead, I am fine
either way)
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