HDDS-4327. Potential resource leakage using BatchOperation. #1493
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hanishakoneru
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hanishakoneru
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Thanks @bharatviswa504 for fixing this.
Have one question (posted inline). LGTM otherwise.
| for (Map.Entry<Long, Long> entry : deleteTransactionMap.entrySet()) { | ||
| try(org.apache.hadoop.hdds.utils.db.BatchOperation batchOperation = | ||
| batchHandler.initBatchOperation()) { | ||
| lock.lock(); |
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Shouldn't lock() be called outside the try block? If there is a chance that the initBatchOperation() can fail, then lock.unlock() would throw IllegalMonitorStateException as the lock is not held by it.
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Good catch. Fixed in the latest commit.
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Thanks @bharatviswa504. +1 for merge. |
errose28
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Oct 19, 2020
* master: HDDS-4301. SCM CA certificate does not encode KeyUsage extension properly (apache#1468) HDDS-4158. Provide a class type for Java based configuration (apache#1407) HDDS-4297. Allow multiple transactions per container to be sent for deletion by SCM. HDDS-2922. Balance ratis leader distribution in datanodes (apache#1371) HDDS-4269. Ozone DataNode thinks a volume is failed if an unexpected file is in the HDDS root directory. (apache#1490) HDDS-4327. Potential resource leakage using BatchOperation. (apache#1493) HDDS-3995. Fix s3g met NPE exception while write file by multiPartUpload (apache#1499) HDDS-4343. ReplicationManager.handleOverReplicatedContainer() does not handle unhealthyReplicas properly. (apache#1495)
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What changes were proposed in this pull request?
Potential resource leakage using BatchOperation.
Use try enclosed resource/close the batch once after it usage is completed.
What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/HDDS-4327
How was this patch tested?
Existing tests.