Correct. This is guaranteed. Regards, Anand
On Fri, Jun 24, 2016 at 10:37 AM, min fang <[email protected]> wrote: > Hi, as my understanding, in PG level, IOs are execute in a sequential way, > such as the following cases: > > Case 1: > Write A, Write B, Write C to the same data area in a PG --> A Committed, > then B committed, then C. The final data will from write C. Impossible > that mixed (A, B,C) data is in the data area. > > Case 2: > Write A, Write B, Read C to the same data area in a PG-> Read C will > return the data from Write B, not Write A. > > Are the above cases true? > > thanks. > > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > -- ---------------------------------------------------------------------------- Never say never.
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