Rishabh Handa created QPIDJMS-543:
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Summary: Memory usage has increased significantly because the
ByteBuffers are not released (netty)
Key: QPIDJMS-543
URL: https://issues.apache.org/jira/browse/QPIDJMS-543
Project: Qpid JMS
Issue Type: Bug
Components: qpid-jms-client
Affects Versions: 0.56.0
Environment: java - 11
qpid-jms-client - 0.56.0
netty - 4.1.65.Final
Reporter: Rishabh Handa
Attachments: 1.png, 2.png
* We are using JMS to send and receive messages from queue asynchronously
* We have observed a high memory usage by *io.netty.buffer.PoolChunk* in the
heap dump (screenshot attached 1)
* These PoolChunks are allocated during creation of a connection to the queue
-
** From stacktrace(screenshot attached 2) - when we invoke getConnection()
internally the call goes to FailoverProvider -> AmqpProvider, which internally
invokes ByteBufferUtil to create PooledByteBuffer
** These buffers are created on the heap memory (io.netty.buffer.PoolChunk of
*16 MB)*
* These PooledByteBuffer are not released from the heap memory even after the
connection is closed.
For more details -please go through this issue: [Increased memory footprint in
4.1.43.Final · Issue #9768 · netty/netty
(github.com)|https://github.com/netty/netty/issues/9768]
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