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Posted to issues@bookkeeper.apache.org by GitBox <gi...@apache.org> on 2022/06/25 08:09:19 UTC
[GitHub] [bookkeeper] horizonzy opened a new issue, #3360: AutoRecovery memory leak problem.
horizonzy opened a new issue, #3360:
URL: https://github.com/apache/bookkeeper/issues/3360
**BUG REPORT**
#### In Auditor, we will checkAllLedger in the scheduled task `scheduleCheckAllLedgersTask`.
https://github.com/apache/bookkeeper/blob/677ccec3eb84f5be1b3556537871e14eb5e8359c/bookkeeper-server/src/main/java/org/apache/bookkeeper/replication/Auditor.java#L1333
#### In ReplicationWorker, we will check ledgerFragment to replicate.
https://github.com/apache/bookkeeper/blob/677ccec3eb84f5be1b3556537871e14eb5e8359c/bookkeeper-server/src/main/java/org/apache/bookkeeper/replication/ReplicationWorker.java#L369
#### Both will invoke `openLedgerNoRecovery`. It will register self to AbstractZkLedgerManager.
https://github.com/apache/bookkeeper/blob/677ccec3eb84f5be1b3556537871e14eb5e8359c/bookkeeper-server/src/main/java/org/apache/bookkeeper/client/ReadOnlyLedgerHandle.java#L105-L107
#### In ReadOnlyLedgerHandler close, it will unregistrer self to AbstractZkLedgerManager, but it only remove listener in AbstractZkLedgerManager#listeners, not remove watcher in ZKWatchManager. So ZKWatchManager dataWatcher will be more and more.
https://github.com/apache/bookkeeper/blob/677ccec3eb84f5be1b3556537871e14eb5e8359c/bookkeeper-server/src/main/java/org/apache/bookkeeper/meta/AbstractZkLedgerManager.java#L412-L426
#### There is a heap dump we found in product.
<img width="962" alt="image" src="https://user-images.githubusercontent.com/22524871/175764518-5449bd49-7740-4c23-b1c9-d754057e7bcd.png">
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[GitHub] [bookkeeper] horizonzy commented on issue #3360: AutoRecovery memory leak problem.
Posted by GitBox <gi...@apache.org>.
horizonzy commented on issue #3360:
URL: https://github.com/apache/bookkeeper/issues/3360#issuecomment-1397254682
Close via#3361
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[GitHub] [bookkeeper] horizonzy closed issue #3360: AutoRecovery memory leak problem.
Posted by GitBox <gi...@apache.org>.
horizonzy closed issue #3360: AutoRecovery memory leak problem.
URL: https://github.com/apache/bookkeeper/issues/3360
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