On 02/25/2016 05:32 PM, Teodor Sigaev wrote:
Well, turns out there's a quite significant difference, actually. The
index sizes I get (quite stable after multiple runs):

    9.5 : 2428 MB
    9.6 + alone cleanup : 730 MB
    9.6 + pending lock : 488 MB

In attach modified alone_cleanup patch which doesn't break cleanup
process as it does pending_lock patch but attached patch doesn't touch a
lock management.

Tomas. if you can, pls, repeat test with this patch. If not, I will try
to do it, but later.

I'll do that once the system I used for that gets available - right now it's running other benchmarks.


Tomas Vondra                  http://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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