leventov commented on a change in pull request #8272: Support incremental load
in Druid lookups
URL: https://github.com/apache/druid/pull/8272#discussion_r365589028
##########
File path:
extensions-core/lookups-cached-global/src/main/java/org/apache/druid/server/lookup/namespace/cache/CacheScheduler.java
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@@ -421,9 +443,16 @@ public String getVersion()
@Override
public void close()
{
- cacheHandler.close();
- // Log statement after cacheHandler.close(), because logging may fail
(e. g. in shutdown hooks)
- log.debug("Closed version [%s] of %s", version, entryId);
+ // ideally, close shouldn't be called by users of VersionedCache in case
of a incremental load,
+ // we do not close cacheHandler for such case.
+ if (this.incremental) {
+ log.debug("VersionedCache is of type incremental load, thus not
closing cacheHandler " +
Review comment:
Not stop closing. The idea of this thread is to change visibility of close()
outside `CacheScheduler`, but internal logic is essentially unchanged.
An `if` would not be needed in new `VersionedCacheBuilder`, but may still be
needed in `VersionedCache`. I don't see now why I wrote that "VersionedCache
doesn't have close() method at all", perhaps I confused something. (Or am
confusing something now.)
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