codelipenghui commented on a change in pull request #6178: Introduce
maxMessagePublishBufferSizeInMB configuration to avoid broker OOM
URL: https://github.com/apache/pulsar/pull/6178#discussion_r379871704
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File path:
pulsar-broker-common/src/main/java/org/apache/pulsar/broker/ServiceConfiguration.java
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@@ -603,6 +603,23 @@
doc = "Max number of snapshot to be cached per subscription.")
private int replicatedSubscriptionsSnapshotMaxCachedPerSubscription = 10;
+ @FieldContext(
+ category = CATEGORY_SERVER,
+ doc = "Max memory size for broker handling messages sending from
producers.\n\n"
+ + " If the processing message size exceed this value, broker will
stop read data"
+ + " from the connection. The processing messages means messages
are sends to broker"
+ + " but broker have not send response to client, usually waiting
to write to bookies.\n\n"
+ + " It's shared across all the topics running in the same
broker.\n\n"
+ + " Use -1 to disable the memory limitation. Default is 1/5 of
direct memory.\n\n")
+ private int maxMessagePublishBufferSizeInMB = Math.max(64,
Review comment:
Changed the default buffer size to half of the direct memory.
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