Hi,
On 11/02/2016 01:38 AM, Ashutosh Sharma wrote:
While replaying the delete/vacuum record on standby, it can conflict
with some already running queries. Basically the replay can remove
some row which can be visible on standby. You need to resolve
conflicts similar to what we do in btree delete records (refer
btree_xlog_delete).
Agreed. Thanks for putting this point. I have taken care of it in the
attached v2 patch.
Some initial comments.
_hash_vacuum_one_page:
+ END_CRIT_SECTION();
+ _hash_chgbufaccess(rel, metabuf, HASH_READ, HASH_NOLOCK);
The _hash_chgbufaccess() needs a comment.
You also need a place where you call pfree for so->killedItems - maybe
in hashkillitems().
Best regards,
Jesper
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