[PATCH 0 of 1 RFC] new upstream server recheck - call for comments
mdounin at mdounin.ru
Tue Sep 27 12:24:02 UTC 2011
The following patch introduces less intrusive upstream server recheck after
server was considered dead.
Specifically, only one request is allowed once fail_timeout passes, and
upstream server is only marked "live" once this request completes
I think it improves things, though there are some concerns related to
"long streaming" workloads where request may not complete in a reasonable
time (and hence backend won't be reintroduced into upstream cluster
for a relatively long time). I tend to think this is acceptable, but I
would like to hear some comments from people with such workloads.
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