From: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> |
---|---|
To: | Andres Freund <andres(at)anarazel(dot)de> |
Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Remaining 2017-03 CF entries |
Date: | 2017-04-08 04:32:56 |
Message-ID: | CAD21AoCCNkRQJgsMpDfgb2EPp9VzTfn5M=Ew75WgsaDf2a=AYw@mail.gmail.com |
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Lists: | pgsql-hackers |
On Sat, Apr 8, 2017 at 1:09 PM, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> wrote:
> On Sat, Apr 8, 2017 at 3:37 AM, Andres Freund <andres(at)anarazel(dot)de> wrote:
>> Hi,
>>
>> When I started writing this, there were the following reamining CF
>> items, minus bugfix ones which aren't bound by the code freeze.
>>
>> I think it makes sense to go through those and see whether it's
>> realistic to commit any of them.
>>
>> Ready for Committer:
>>
>> Add GUCs for predicate lock promotion thresholds:
>> - claimed by Kevin, should be easy enough
>>
>> initdb configurable wal_segment_size
>> - parts have been committed
>> - significantly derailed by segment naming discussion
>> - possibly committable if we decide to skip the naming bit? But also a
>> bit late given that it touches some quite sensitive code.
>>
>> Create fdw_outerpath for foreign
>> - haven't really followed discussion
>> - only marked as ready-for-committer 2017-04-04
>>
>> Vacuum: allow usage of more than 1GB of work mem
>> - hm, maybe? Will take a look.
>>
>> Unique Joins
>> - Tom's discussing things with David, not sure.
>>
>> Push down more UPDATEs/DELETEs in postgres_fdw
>> - claimed by Robert?
>>
>> postgres_fdw: support parameterized foreign joins
>> - think that depends on fdw_outerpath?
>>
>>
>> Waiting on Author:
>>
>> SQL statements statistics counter view (pg_stat_sql)
>> - the code doesn't look quite ready
>> - don't think we quite have design agreement, e.g. I don't like where it's
>> hooked into query execution
>>
>> Write Amplification Reduction Method (WARM)
>> - fair number of people don't think it's ready for v10.
>> - can't move to next fest because it's waiting-on-author, which doesn't
>> allow that. Doesn't strike me as a useful restriction.
>>
>> BRIN optimize memory allocation
>> - I think Alvaro has indicated that he wants to take care of that?
>>
>> Indexes with Included Columns (was Covering + unique indexes)
>> - Don't think concerns about #columns on truncated tuples have been
>> addressed. Should imo be returned-with-feedback.
>>
>>
>> Needs-Review:
>>
>> Better estimate merging for duplicate vars in clausesel.c
>> - has been submitted pretty late (2017-02-24) and discussion is ongoing
>> - I'm inclined to punt on this one to the next release, previous
>> proposal along that line got some pushback
>>
>> new plpgsql extra_checks
>> - Winner of the "most opaque CF title" award
>> - hasn't received a whole lot of review
>> - don't think we're even close to having design agreement
>>
>> Generic type subscripting
>> - still some review back and forth
>> - probably should be punted
>>
>>
>> Any comments?
>>
>
> HI,
>
> Could you consider the item 2PC on FDW as well? It is marked as "Move
> to Next CF" early yesterday but I'm not sure that reason..
>
Oops, I meant "Transactions involving multiple postgres foreign servers"[1].
[1] https://commitfest.postgresql.org/13/928/
Regards,
--
Masahiko Sawada
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center
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