memcached crash during initial data load (10TB)

Nov  1 20:43:27 172-23-96-104 kernel: mc:nonIO_5[6058]: segfault at 8 ip 00007f5089ef3f8e sp 00007f4f70ff0bd8 error 4 in ep.so[7f5089e2c000+1b4000]

Nov  1 20:43:29 172-23-96-104 kernel: mc:nonIO_0[6053]: segfault at 8 ip 00007f5089ef3f8e sp 00007f4f737f5bd8 error 4 in ep.so[7f5089e2c000+1b4000]

2017-11-01T20:43:27.419417-07:00 FATAL Breakpad caught crash in memcached version 5.1.0-1357. Writing crash dump to /opt/couchbase/var/lib/couchbase/crash/071d17d8-423c-e752-6c10e9fc-0a611690.dmp before terminating.

memcached.log.000003.txt-2017-11-01T20:43:27.419469-07:00 FATAL Stack backtrace of crashed thread:

memcached.log.000003.txt-2017-11-01T20:43:27.467265-07:00 FATAL     /opt/couchbase/bin/memcached() [0x400000+0x39fc5]

memcached.log.000003.txt-2017-11-01T20:43:27.472368-07:00 FATAL     /opt/couchbase/bin/memcached(_ZN15google_breakpad16ExceptionHandler12GenerateDumpEPNS0_12CrashContextE+0x3d4) [0x400000+0x998e4]

memcached.log.000003.txt-2017-11-01T20:43:27.472399-07:00 FATAL     /opt/couchbase/bin/memcached(_ZN15google_breakpad16ExceptionHandler13SignalHandlerEiP9siginfo_tPv+0x97) [0x400000+0x99bf7]

memcached.log.000003.txt-2017-11-01T20:43:27.472416-07:00 FATAL     /lib64/libpthread.so.0() [0x7f509024f000+0xf370]

memcached.log.000003.txt-2017-11-01T20:43:27.472430-07:00 FATAL     /opt/couchbase/bin/../lib/../lib/ep.so() [0x7f5089e2c000+0xc7f8e]

memcached.log.000003.txt-2017-11-01T20:43:27.472439-07:00 FATAL     /opt/couchbase/bin/../lib/../lib/ep.so() [0x7f5089e2c000+0xa81c3]

memcached.log.000003.txt-2017-11-01T20:43:27.472450-07:00 FATAL     /opt/couchbase/bin/../lib/libplatform_so.so.0.1.0() [0x7f509088c000+0x702e]

memcached.log.000003.txt-2017-11-01T20:43:27.472460-07:00 FATAL     /lib64/libpthread.so.0() [0x7f509024f000+0x7dc5]

memcached.log.000003.txt-2017-11-01T20:43:27.472503-07:00 FATAL     /lib64/libc.so.6(clone+0x6d) [0x7f508e2fc000+0xf776d]

memcached.log.000003.txt-2017-11-01T20:43:27.000000-07:00 NOTICE ---------- Closing logfile