Memcached error on couchbase server 3.1

Hello,

I ve got that kind of errors in our logs , after that on a 5 servers cluster, 4 went down pending rebalance.

Sound like a hardware issue, what do you think ?

memcached[18561] general protection ip:7f6e43402e2c sp:7f6e33d5ca50 error:0 in libc-2.12.so

Hi, @pvarley might be able to help you.

Hello @nico_ad, would it be possible to get the full general protection message, we need the memory addresses at the end of the line.

Sorry, i m not able to find this line anymore, a sys admin drop me that errors with no other infos.

however I can find this related to memcached, dont know if it the same problem :

Port server memcached on node ‘babysitter_of_ns_1@127.0.0.1’ exited with status 139. Restarting. Messages: Fri Dec 11 11:01:43.506434 GMT 3: (rlc_ios) DCP (Producer) eq_dcpq:mapreduce_view: rlc_ios _design/user (prod/main) - (vb 68) stream created with start seqno 453952 and end seqno 454134
Fri Dec 11 11:01:43.531538 GMT 3: (rlc_ios) DCP (Producer) eq_dcpq:mapreduce_view: rlc_ios _design/sns_ids (prod/main) - (vb 68) Stream closing, 0 items sent from disk, 0 items sent from memory, 453952 was last seqno sent The stream closed early due to a close stream message is the reason
Fri Dec 11 11:01:43.561389 GMT 3: (rlc_ios) DCP (Producer) eq_dcpq:mapreduce_view: rlc_ios _design/sns_ids (prod/main) - (vb 68) stream created with start seqno 453952 and end seqno 454134
Fri Dec 11 11:01:43.569026 GMT 3: (rlc_ios) DCP (Producer) eq_dcpq:replication:ns_1@10.32.102.59->ns_1@10.32.102.229:rlc_ios - (vb 1) Backfill task (264115 to 309) finished. disk seqno 264266 memory seqno 264266
Fri Dec 11 11:01:43.569679 GMT 3: (rlc_ios) DCP (Producer) eq_dcpq:mapreduce_view: rlc_ios _design/user (prod/main) - (vb 453953) Backfill task (453962 to 68) finished. disk seqno 454134 memory seqno 454134
ns_log000
ns_1@10.32.xx.xx
11:01:57 - Fri Dec 11, 2015

@pvarley here we go :

memcached[8726] general protection ip:7f4f60e4ce2c sp:7f4f535a9a50 error:0 in
libc-2.12.so[7f4f60e05000+18a000]

@nico_ad I suspect you are hitting a known issue: MB-16915
Which is fixed in Couchbase Server 3.1.3

yes @pvarley we didnt encountered the issue since we moved to 3.1.3

Thanks