Hi All,

We have tried the system variable recommend here

https://www.eclipse.org/jetty/documentation/current/high-load.html

The errors stopped now, and system is running stable.

Is there any disadvantage using the following?

sysctl -w net.ipv4.tcp_tw_recycle=1


Somewhere I read tw_reuse also will help, can we use both ? please suggest.

Thanks,
Doss.

On Sunday, August 2, 2020, Doss <itsmed...@gmail.com> wrote:

> Hi All,
>
> We are having SOLR (8.3.1) CLOUD (NRT) with Zookeeper Ensemble , 3 nodes
> each on Centos VMs
>
> SOLR Nodes has 66GB RAM, 15GB HEAP MEM, 4 CPUs.
> Record Count: 33L. Avg Doc Size is 350Kb.
>
> In recent times while doing a full import (Few bulk data fields computed
> on a daily basis) we are getting this error, what could be the problem? how
> to increase the Queue Size? Please help.
>
> 2020-08-02 08:10:30.847 ERROR (updateExecutor-5-thread-
> 190288-processing-x:userinfoindex_6jul20_shard4_replica_n13 r:core_node24
> null n:172.29.3.23:8983_solr c:userinfoindex_6jul20 s:shard4)
> [c:userinfoindex_6jul20 s:shard4 r:core_node24
> x:userinfoindex_6jul20_shard4_replica_n13] o.a.s.u.
> ErrorReportingConcurrentUpdateSolrClient Error when calling
> SolrCmdDistributor$Req: cmd=add{,id=1081904963}; node=ForwardNode:
> http://172.29.3.23:8983/solr/userinfoindex_6jul20_shard3_replica_n10/ to
> http://172.29.3.23:8983/solr/userinfoindex_6jul20_shard3_replica_n10/ =>
> java.io.IOException: java.util.concurrent.RejectedExecutionException: Max
> requests queued per destination 3000 exceeded for HttpDestination[
> http://172.29.3.23:8983]@5a9a216b,queue=3000,pool=MultiplexConnectionPool@
> 545dc448[c=4/4,b=4,m=0,i=0]
> java.io.IOException: java.util.concurrent.RejectedExecutionException: Max
> requests queued per destination 3000 exceeded for HttpDestination[
> http://172.29.3.23:8983]@5a9a216b,queue=3000,pool=MultiplexConnectionPool@
> 545dc448[c=4/4,b=4,m=0,i=0]
> Suppressed: java.io.IOException: 
> java.util.concurrent.RejectedExecutionException:
> Max requests queued per destination 3000 exceeded for HttpDestination[
> http://172.29.3.23:8983]@5a9a216b,queue=3000,pool=MultiplexConnectionPool@
> 545dc448[c=4/4,b=4,m=0,i=0]
> Caused by: java.util.concurrent.RejectedExecutionException: Max requests
> queued per destination 3000 exceeded for HttpDestination[http://172.29.
> 3.23:8983]@5a9a216b,queue=3000,pool=MultiplexConnectionPool@
> 545dc448[c=4/4,b=4,m=0,i=0]
> Caused by: java.util.concurrent.RejectedExecutionException: Max requests
> queued per destination 3000 exceeded for HttpDestination[http://172.29.
> 3.23:8983]@5a9a216b,queue=3000,pool=MultiplexConnectionPool@
> 545dc448[c=4/4,b=4,m=0,i=0]
>
> 2020-08-02 08:10:30.911 ERROR (updateExecutor-5-thread-
> 190288-processing-x:userinfoindex_6jul20_shard4_replica_n13 r:core_node24
> null n:172.29.3.23:8983_solr c:userinfoindex_6jul20 s:shard4)
> [c:userinfoindex_6jul20 s:shard4 r:core_node24
> x:userinfoindex_6jul20_shard4_replica_n13] o.a.s.u.
> ErrorReportingConcurrentUpdateSolrClient Error when calling
> SolrCmdDistributor$Req: cmd=add{,id=1034918151}; node=ForwardNode:
> http://172.29.3.23:8983/solr/userinfoindex_6jul20_shard1_replica_n3/ to
> http://172.29.3.23:8983/solr/userinfoindex_6jul20_shard1_replica_n3/ =>
> java.io.IOException: java.util.concurrent.RejectedExecutionException: Max
> requests queued per destination 3000 exceeded for HttpDestination[
> http://172.29.3.23:8983]@5a9a216b,queue=3000,pool=MultiplexConnectionPool@
> 545dc448[c=4/4,b=4,m=0,i=0]
>
>
> Thanks,
> Doss.
>

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