On Thu, Sep 7, 2017 at 2:10 PM, <bret.shao@outlook.com> wrote:
> when call KeepLogSeg to get the oldest xlog file in function
> CreateRestartPoint,
> I think the endptr shoule be the repalyPtr not the later one of receiverPtr
> and replayPtr.
> endptr = (receivePtr < replayPtr) ? replayPtr : receivePtr;
>
> Because that if the endptr is the receiverPtr, it means that may be the xlog
> file that is being redo will be dropped.
There are timeline-related things to consider, in short when doing a
timeline jump you may finish with a segment that you did not expect to
be recycled. See the link to the discussion and the commit in
question:
https://www.postgresql.org/message-id/50D30851.2030509%40vmware.comhttp://git.postgresql.org/pg/commitdiff/af275a12dfeecd621ed9899a9382f26a68310263
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Michael
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From:
email@piotr-stefaniak.me Date: Subject:
[BUGS] BUG #14806: WAL replay on standby: could not link file"pg_xlog/...4C" to "pg_xlog/...D1": File exists
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