I've been trying to test radosgw multisite and have a pretty bad memory leak. It appears to be associated only with multisite sync.
Multisite works well for a small numbers of objects. However, it all fell over when I wrote in 8M 64K objects to two buckets overnight for testing (via cosbench).
The leak appears to happen on the multisite transfer source -- that is, the node where the objects were written originally. The radosgw process eventually dies, I'm sure via the OOM killer, and systemd restarts it. Then repeat, though multisite sync pretty much stops at that point.
I have tried 10.2.2, 10.2.3 and a combination of the two. I'm running on CentOS 7.2, using civetweb with SSL. I saw that the memory profiler only works on mon, osd and mds processes.
Anyone else seen anything like this?
-- Trey
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