Re: Parallel bitmap heap scan

Dilip Kumar <dilipbalaut@gmail.com>

From: Dilip Kumar <dilipbalaut@gmail.com>

To: Robert Haas <robertmhaas@gmail.com>

Cc: Thomas Munro <thomas.munro@enterprisedb.com>, Haribabu Kommi <kommi.haribabu@gmail.com>, Rafia Sabih <rafia.sabih@enterprisedb.com>, tushar <tushar.ahuja@enterprisedb.com>, Amit Khandekar <amitdkhan.pg@gmail.com>, Amit Kapila <amit.kapila16@gmail.com>, Andres Freund <andres@anarazel.de>, pgsql-hackers <pgsql-hackers@postgresql.org>

Date: 2017-03-06T05:35:45Z

Lists: pgsql-hackers

Attachments

0003-parallel-bitmap-heapscan-v7.patch (application/octet-stream) patch v7-0003

On Thu, Mar 2, 2017 at 6:52 PM, Robert Haas <robertmhaas@gmail.com> wrote:
> 0002 wasn't quite careful enough about the placement of #ifdef
> USE_PREFETCH, but otherwise looks OK.  Committed after changing that
> and getting rid of the local variable prefetch_iterator, which seemed
> to be adding rather than removing complexity after this refactoring.

0003 is rebased after this commit.

-- 
Regards,
Dilip Kumar
EnterpriseDB: http://www.enterprisedb.com

Commits

Pass DSA_ALLOC_HUGE when allocating a shared TIDBitmap.
- a171f01501e1 10.0 landed
Support parallel bitmap heap scans.
- f35742ccb7aa 10.0 landed
tidbitmap: Support shared iteration.
- 98e6e89040a0 10.0 landed
Shut down Gather's children before shutting down Gather itself.
- acf555bc53ac 10.0 landed
Revise the way the element allocator for a simplehash is specified.
- c3c4f6e1740b 10.0 cited
Refactor bitmap heap scan estimation of heap pages fetched.
- da08a6598973 10.0 landed
Use more efficient hashtable for tidbitmap.c to speed up bitmap scans.
- 75ae538bc316 10.0 cited