Details
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Bug
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Resolution: Duplicate
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Major
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None
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Cheshire-Cat
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Untriaged
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1
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Unknown
Description
Build : 7.0.0-3653
Test : -test tests/integration/test_allFeatures_madhatter_durability.yml -scope tests/integration/scope_Xattrs_Madhatter.yml
Scale : 3
Day : 1st
Seeing the following warnings in the memcached logs of various data nodes during the rebalance operation to add a new data node to the cluster.
2020-11-07T05:07:03.232781-08:00 WARNING (default) DCP (Producer) eq_dcpq:fts:default:47becb8c390731c21178465ea5937ae1-249b6a5 - Attempting to release 10485772 bytes which is greater than bytesOutstanding:10485744
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2020-11-07T05:07:03.232912-08:00 WARNING 585: exception occurred in runloop during packet execution. Closing connection: ThrowExceptionUnderflowPolicy current:10485744 arg:10485772. Cookies: [{"aiostat":"success","connection":"[ {\"ip\":\"172.23.97.150\",\"port\":47224} - {\"ip\":\"172.23.120.58\",\"port\":11210} (<ud>@fts</ud>) ]","engine_storage":"0x00007fc7d010b1c0","ewouldblock":false,"packet":{"bodylen":4,"cas":0,"datatype":"raw","extlen":4,"key":"<ud></ud>","keylen":0,"magic":"ClientRequest","opaque":0,"opcode":"DCP_BUFFER_ACKNOWLEDGEMENT","vbucket":0},"refcount":1}]
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This is similar to MB-42506, which was filed for analytics. (cc Dave Rigby)
The warnings happened between 04:55 and 05:09 across the following KV nodes :
172.23.120.58, 172.23.120.73, 172.23.120.77, 172.23.120.86, 172.23.123.24, 172.23.123.25, 172.23.123.26, 172.23.123.31, 172.23.123.33, 172.23.97.74