divijvaidya commented on code in PR #13850:
URL: https://github.com/apache/kafka/pull/13850#discussion_r1229867810
##########
core/src/main/scala/kafka/log/remote/RemoteIndexCache.scala:
##########
@@ -266,13 +309,21 @@ class RemoteIndexCache(maxSize: Int = 1024,
remoteStorageManager: RemoteStorageM
getIndexEntry(remoteLogSegmentMetadata).lookupTimestamp(timestamp,
startingOffset).position
}
+ /**
+ * Close should synchronously cleanup the resources used by this cache.
+ * This index is closed when [[RemoteLogManager]] is closed.
+ */
def close(): Unit = {
- closed = true
- cleanerThread.shutdown()
- // Close all the opened indexes.
- lock synchronized {
- entries.values().stream().forEach(entry => entry.close())
+ // make close idempotent
+ if (!closed.getAndSet(true)) {
+ // Initiate shutdown for cleaning thread
+ val shutdownRequired = cleanerThread.initiateShutdown()
+ // Close all the opened indexes to force unload mmap memory. This does
not delete the index files from disk.
+ internalCache.asMap().forEach((_, entry) => entry.close())
+ // Perform any pending activities required by the cache for cleanup
+ internalCache.cleanUp()
Review Comment:
Thank you for jumping in this review and providing your expert opinion on
this cache. Appreciate it!
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
