> 25 марта 2016 г., в 19:11, David Steele <da...@pgmasters.net> написал(а):
> Hi Vladimir,
> On 3/14/16 2:15 PM, Vladimir Borodin wrote:
>> JFYI, I’m preparing the stand to reproduce the initial problem and I
>> hope to finish testing this week.
> Do you know when you'll have the results from the testing you were going to
> do? It seems this patch is currently waiting on that to be finished.
I couldn’t reproduce the problem on pgbench database with scale factor 50000
last week. The test case was quite simple:
1. On master I was adding data to pgbench_accounts table.
2. On standby I was doing the following:
postgres@pgload01d ~ $ cat /tmp/query
\set naccounts 100000 * :scale
SELECT aid FROM pgbench_accounts WHERE aid = :naccounts;
postgres@pgload01d ~ $ /usr/pgsql-9.6/bin/pgbench -M prepared -f /tmp/query -c
1 -j 1 -T 3600 -P 10 -S -n pgbench
3. On master I was sometimes calling VACUUM pgbench_accounts.
Without applying patches there weren’t huge replication lags on standbys.
Seems, that I'm doing something wrong… I’m doing my best right now to find the
reason but I can’t give you any time evaluation :(
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May the force be with you…