Re: [PATCH] Refactoring of LWLock tranches - Mailing list pgsql-hackers

From Robert Haas
Subject Re: [PATCH] Refactoring of LWLock tranches
Date
Msg-id CA+TgmoZyU2bDO6i3S0UUkv74GCwchD1xEA-4gJJ6xPn5CWmLuQ@mail.gmail.com
Whole thread Raw
In response to Re: [PATCH] Refactoring of LWLock tranches  (Ildus Kurbangaliev <i.kurbangaliev@postgrespro.ru>)
Responses Re: [PATCH] Refactoring of LWLock tranches
List pgsql-hackers
On Sun, Sep 13, 2015 at 5:05 PM, Ildus Kurbangaliev
<i.kurbangaliev@postgrespro.ru> wrote:
> Yes, that is because I tried to go with current convention working with
> shmem in Postgres (there are one function that returns the size and
> others that initialize that memory). But I like your suggestion about
> API functions, in that case number of tranches and locks will be known
> during the initialization.

I also want to leave the door open to tranches that are registered
after initialization.  At that point, it's too late to put a tranche
in shared memory, but you can still use DSM.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



pgsql-hackers by date:

Previous
From: Heikki Linnakangas
Date:
Subject: Re: Testing WAL replay by comparing before and after images again
Next
From: Amit Kapila
Date:
Subject: Re: RFC: replace pg_stat_activity.waiting with something more descriptive