Hi ,

Try to adjust phi_convict_threshold and see if that helps.
When we did migration from on prim to AWS, this was one of the factor to
consider.

Thanks


On Tue, Oct 5, 2021 at 4:00 AM MyWorld <timeplus.1...@gmail.com> wrote:

> Hi all,
>
> Need urgent help.
> We have one Physical Data Center of 5 nodes with 1 TB data on each
> (Location: Dallas). Currently we are using Cassandra ver 3.0.9. Now we are
> Adding one more Data Center of 5 nodes(Location GCP-US) and have joined it
> to the existing one.
>
> While running nodetool rebuild command, we are getting following error :
> On GCP node (where we ran rebuild command) :
>
>> ERROR [STREAM-IN-/192.x.x.x] 2021-10-05 15:56:52,246
>> StreamSession.java:639 - [Stream #66646d30-25a2-11ec-903b-774f88efe725]
>> Remote peer 192.x.x.x failed stream session.
>> INFO  [STREAM-IN-/192.x.x.x] 2021-10-05 15:56:52,266
>> StreamResultFuture.java:183 - [Stream
>> #66646d30-25a2-11ec-903b-774f88efe725] Session with /192.x.x.x is complete
>
>
> On DL source node :
>
>> INFO  [STREAM-IN-/34.x.x.x] 2021-10-05 15:55:53,785
>> StreamResultFuture.java:183 - [Stream
>> #66646d30-25a2-11ec-903b-774f88efe725] Session with /34.x.x.x is complete
>> ERROR [STREAM-OUT-/34.x.x.x] 2021-10-05 15:55:53,785
>> StreamSession.java:534 - [Stream #66646d30-25a2-11ec-903b-774f88efe725]
>> Streaming error occurred
>> java.lang.RuntimeException: Transfer of file
>> /var/lib/cassandra/data/clickstream/glusr_usr_paid_url_mv-3c49c392b35511e9bd0a8f42dfb09617/mc-45676-big-Data.db
>> already completed or aborted (perhaps session failed?).
>>         at
>> org.apache.cassandra.streaming.messages.OutgoingFileMessage.startTransfer(OutgoingFileMessage.java:120)
>> ~[apache-cassandra-3.0.9.jar:3.0.9]
>>         at
>> org.apache.cassandra.streaming.messages.OutgoingFileMessage$1.serialize(OutgoingFileMessage.java:50)
>> ~[apache-cassandra-3.0.9.jar:3.0.9]
>>         at
>> org.apache.cassandra.streaming.messages.OutgoingFileMessage$1.serialize(OutgoingFileMessage.java:42)
>> ~[apache-cassandra-3.0.9.jar:3.0.9]
>>         at
>> org.apache.cassandra.streaming.messages.StreamMessage.serialize(StreamMessage.java:48)
>> ~[apache-cassandra-3.0.9.jar:3.0.9]
>>         at
>> org.apache.cassandra.streaming.ConnectionHandler$OutgoingMessageHandler.sendMessage(ConnectionHandler.java:387)
>> ~[apache-cassandra-3.0.9.jar:3.0.9]
>>         at
>> org.apache.cassandra.streaming.ConnectionHandler$OutgoingMessageHandler.run(ConnectionHandler.java:367)
>> ~[apache-cassandra-3.0.9.jar:3.0.9]
>>         at java.lang.Thread.run(Thread.java:748) [na:1.8.0_192]
>> WARN  [STREAM-IN-/34.x.x.x] 2021-10-05 15:55:53,786
>> StreamResultFuture.java:210 - [Stream
>> #66646d30-25a2-11ec-903b-774f88efe725] Stream failed
>
>
> Before starting this rebuild, we have made the following changes:
> 1. Set setstreamthroughput to 600 Mb/sec
> 2. Set setinterdcstreamthroughput to 600 Mb/sec
> 3. streaming_socket_timeout_in_ms is 24 hrs
> 4. Disabled autocompaction on GCP node as this was heavily utilising CPU
> resource
>
> FYI, GCP rebuild process starts with data streaming from 3 nodes, and all
> fails one by one after streaming for a few hours.
> Please help out how to correct this issue.
> Is there any other way to rebuild such big data.
> We have a few tables with 200 - 400GB of data and some smaller tables.
> Also, we have Mviews in our environment
>
> Regards,
> Ashish Gupta
>
>

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