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https://issues.apache.org/jira/browse/KAFKA-1587?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14092292#comment-14092292
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Gopinath Sundaram commented on KAFKA-1587:
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I found this issue https://issues.apache.org/jira/browse/KAFKA-1024 and hence I
double checked on the GC again. We are using Parallel GC only.
> Possible Memory Leak when we use Kafka 8.0 Producer for sending messages
> ------------------------------------------------------------------------
>
> Key: KAFKA-1587
> URL: https://issues.apache.org/jira/browse/KAFKA-1587
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 0.8.0
> Reporter: Gopinath Sundaram
> Priority: Critical
>
> Hi Kafka team,
> We use Kafka to send messages in an high volume/memory crazy application
> which uses Parallel GC. We send messages at the rate of 12500/min in the
> first few hours and then the number of messages drop down to 6000/min. Our
> application usually runs for a maximum of 24 hours
> What we have:
> 1) When we do not send messages through Kafka Producer 0.8, then our
> application never slows down much and our entire process completes within 24
> hours
> 2) When we use Kafka, our machines slow down in sending messages to around
> 2500/min and as time progresses, the number of messages being sent is even
> lesser
> 3) We suspect that our application spends more time in GC and hence the
> problem. The Heap Dump does not contain an leak suspect with Kafka, but this
> slowness happens only when Kafka messaging system is used.
> Any pointers that could help us resolve this issue will be highly appreciated.
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