Try to read up to 8k from the notification pipe
Try to read up to 8k from the notification pipe

A thread may be signaled multiple times before it is scheduled to run
and read it's notification. Instead of having the thread to handle all
notifications one at a time we should just try to execute as many as
possible.

daverigby/memcached,mrkwse/memcached,cloudrain21/memcached-1,abhinavdangeti/memcached,Metaswitch/memcached,owendCB/memcached,couchbase/memcached,mrkwse/memcached,zbase/memcached,cloudrain21/memcached-1,owendCB/memcached,owendCB/memcached,Metaswitch/memcached,Metaswitch/memcached,abhinavdangeti/memcached,mrkwse/memcached,mrkwse/memcached,daverigby/memcached,cloudrain21/memcached-1,abhinavdangeti/memcached,couchbase/memcached,jimwwalker/memcached,Metaswitch/memcached,zbase/memcached,jimwwalker/memcached,daverigby/kv_engine,abhinavdangeti/memcached,daverigby/kv_engine,daverigby/memcached,daverigby/kv_engine,Metaswitch/memcached,zbase/memcached,cloudrain21/memcached-1,couchbase/memcached,owendCB/memcached,daverigby/memcached,daverigby/kv_engine,zbase/memcached,abhinavdangeti/memcached,jimwwalker/memcached,zbase/memcached,couchbase/memcached