when I see the function "OSD::OpWQ::_process ". I find pg lock locks the whole function. so when I use multi-thread write the same object , so are they must serialize from osd handle thread to journal write thread ? baijiaruo at 126.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.ceph.com/pipermail/ceph-users-ceph.com/attachments/20140703/e06cbb68/attachment.htm>
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