Hello,
I have installed seafile community edition 6.3.4 on centos 7 with installation script. My first entry in seahub.log is a memcacherror. Everything ist working fine, but an error in log does not feel good 
Does someone has an idea how to fix it? Thanks
/opt/seafile/logs/seahub.log
2019-02-19 20:42:51,690 [ERROR] django.pylibmc:132 get MemcachedError: error 26 from memcached_get(:1:CUR_TOPINFO): Transport endpoint is not connected
Traceback (most recent call last):
File “/usr/lib/python2.7/site-packages/django_pylibmc/memcached.py”, line 130, in get
return super(PyLibMCCache, self).get(key, default, version)
File “/opt/seafile/seafile-server-6.3.4/seahub/thirdpart/django/core/cache/backends/memcached.py”, line 79, in get
val = self._cache.get(key)
Error: error 26 from memcached_get(:1:CUR_TOPINFO): Transport endpoint is not connected