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Posted to users@activemq.apache.org by Liu fuming <li...@qq.com> on 2012/10/26 07:25:46 UTC
Start 5 durable subscribers simultaneously ,broker throw
OutOfMemory exception
There is 1GB durable topic messages left in KahaDB files ,with 1 mb size per
message.Then start 5 durable subscribers simultaneously to receive the
stored messages,the Broker run out of memory immediately. There's one way to
prevent this from happening,that is configure the size of parameter
durableTopicPrefetch and maxPageSize in PolicyEntry. I wonder if there's
another way to do this.
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Re: Start 5 durable subscribers simultaneously ,broker throw
OutOfMemory exception
Posted by kimmking <ki...@gmail.com>.
configure memlimit
2012/10/26 Liu fuming [via ActiveMQ] <
ml-node+s2283324n4658276h39@n4.nabble.com>
> There is 1GB durable topic messages left in KahaDB files ,with 1 mb size
> per message.Then start 5 durable subscribers simultaneously to receive the
> stored messages,the Broker run out of memory immediately. There's one way
> to prevent this from happening,that is configure the size of parameter
> durableTopicPrefetch and maxPageSize in PolicyEntry. I wonder if there's
> another way to do this.
>
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Re: Start 5 durable subscribers simultaneously ,broker throw
OutOfMemory exception
Posted by Liu fuming <li...@qq.com>.
Thx
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Re: Start 5 durable subscribers simultaneously ,broker throw OutOfMemory exception
Posted by Torsten Mielke <to...@fusesource.com>.
On Oct 26, 2012, at 7:25 AM, Liu fuming wrote:
> There is 1GB durable topic messages left in KahaDB files ,with 1 mb size per
> message.Then start 5 durable subscribers simultaneously to receive the
> stored messages,the Broker run out of memory immediately. There's one way to
> prevent this from happening,that is configure the size of parameter
> durableTopicPrefetch and maxPageSize in PolicyEntry. I wonder if there's
> another way to do this.
I presume bigger JVM heap size should help as well as a lower prefetch for durable topic subscriber.
Regards,
Torsten Mielke
torsten@fusesource.com
tmielke@blogspot.com