Horton

Re: Connections hang indefinitely while taking a gin index's LWLock buffer_content lock(PG10.7)

Alexander Korotkov <a.korotkov@postgrespro.ru>

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From: Alexander Korotkov <a.korotkov@postgrespro.ru>
To: Peter Geoghegan <pg@bowt.ie>
Cc: chenhj <chjischj@163.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2019-10-27T19:03:48Z
Lists: pgsql-hackers

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Hi, Peter!

On Fri, Oct 4, 2019 at 12:05 AM Alexander Korotkov
<a.korotkov@postgrespro.ru> wrote:
> I'm planning to continue work on README, comments and commit messages.

It tool me a lot of efforts to revise a concurrency section in README.
I can't judge the result, but I probably did my best.  I'd like to
commit this patchset including both bug fixes and README update. But
I'd like you to take a look on the README patch first.

------
Alexander Korotkov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company

Commits

  1. Fix traversing to the deleted GIN page via downlink

  2. Revise GIN README

  3. Fix deadlock between ginDeletePage() and ginStepRight()