I've marked this patch as returned with feedback. It's been sitting in
the CF for a long time without any update (and does not apply anymore).
That does not mean we don't want the feature (it seems useful) so feel
free to resubmit an updated patch.
regards
--
Tomas Vondra http:/
On Fri, Oct 18, 2019 at 12:53:16PM +, ideriha.take...@fujitsu.com wrote:
> I added ShmZoneContext to my patch.
> I haven't added detailed comments and test set, so let me explain how to
> use it here. I followed Thomas' suggestion.
The latest patch sent fails to apply. Could you please send a
>>ShmZoneContext for SharedPlan and SharedRelCache is not implemented but
>>I'm going to do it following your points.
>
>After looking into existing code, I'm thinking Generation Memory Context seems
>to
>have the similar purpose. So I'll implement ShmZoneContext by reference it.
>Generation conte
Hi,
>ShmZoneContext for SharedPlan and SharedRelCache is not implemented but I'm
>going to do it following your points.
After looking into existing code, I'm thinking Generation Memory Context
seems to have the similar purpose. So I'll implement ShmZoneContext
by reference it.
Generation context
Hi,
Sorry for waiting.
>Thomas Munro wrote:
>>What do you think about the following? Even though I know you want to
>>start with much simpler kinds of cache, I'm looking ahead to the lofty
>>end-goal of having a shared plan cache. No doubt, that involves
>>solving many other problems that don
Should now this be closed as Returned with Feedback, or are we really
waiting on an updated patch in the short term?
--
Álvaro Herrerahttps://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
Hi, thank you for the previous two emails.
Thomas Munro wrote:
>What do you think about the following? Even though I know you want to start
>with
>much simpler kinds of cache, I'm looking ahead to the lofty end-goal of having
>a shared
>plan cache. No doubt, that involves solving many other
On Wed, Jul 10, 2019 at 6:03 PM Thomas Munro wrote:
> Hmm. I wonder if we should just make ShmContextFree() do nothing! And
> make ShmContextAlloc() allocate (say) 8KB chunks (or larger if needed
> for larger allocation) and then hand out small pieces from the
> 'current' chunk as needed. Then t
On Tue, Jun 25, 2019 at 12:53 AM Ideriha, Takeshi
wrote:
> I've rebased the patch to fit the core code rather than extension.
> Regarding shared memory context (ShmContext), I added three
> APIs:
> - CreatePermShmContext
> create "permanent" context located in shared memory
> - CreateTempShmCont
>From: Ideriha, Takeshi [mailto:ideriha.take...@jp.fujitsu.com]
>Sent: Friday, April 26, 2019 11:50 PM
>To: 'Kyotaro HORIGUCHI' ;
>thomas.mu...@enterprisedb.com; robertmh...@gmail.com
>Cc: pgsql-hack...@postgresql.org
>Subject: RE: Copy data to DSA area
>
>Hi, I&
Hi,
>>From: Thomas Munro [mailto:thomas.mu...@gmail.com]
>>Subject: Re: Copy data to DSA area
>>
>>On Wed, May 8, 2019 at 5:29 PM Ideriha, Takeshi
>>
>>wrote:
>>> >From: Ideriha, Takeshi [mailto:ideriha.take...@jp.fujitsu.com]
>>> >Sent
Hi, Thomas
>-Original Message-
>From: Thomas Munro [mailto:thomas.mu...@gmail.com]
>Subject: Re: Copy data to DSA area
>
>On Wed, May 8, 2019 at 5:29 PM Ideriha, Takeshi
>
>wrote:
>> >From: Ideriha, Takeshi [mailto:ideriha.take...@jp.fujitsu.com]
>>
On Wed, May 8, 2019 at 5:29 PM Ideriha, Takeshi
wrote:
> >From: Ideriha, Takeshi [mailto:ideriha.take...@jp.fujitsu.com]
> >Sent: Friday, April 26, 2019 11:50 PM
> >Well, after developing PoC, I realized that this PoC doesn't solve the local
> >process is
> >crashed before the context becomes sha
Hi,
>From: Ideriha, Takeshi [mailto:ideriha.take...@jp.fujitsu.com]
>Sent: Friday, April 26, 2019 11:50 PM
>Well, after developing PoC, I realized that this PoC doesn't solve the local
>process is
>crashed before the context becomes shared because local process keeps track of
>pointer to chunks.
Hi, I've updated Thomas's quick PoC.
>From: Ideriha, Takeshi [mailto:ideriha.take...@jp.fujitsu.com]
>Sent: Wednesday, April 17, 2019 2:07 PM
>>From: Ideriha, Takeshi [mailto:ideriha.take...@jp.fujitsu.com]
>>Sent: Wednesday, December 5, 2018 2:42 PM
>>Subject: R
>From: Ideriha, Takeshi [mailto:ideriha.take...@jp.fujitsu.com]
>Sent: Wednesday, December 5, 2018 2:42 PM
>Subject: RE: Copy data to DSA area
Hi
It's been a long while since we discussed this topic.
Let me recap first and I'll give some thoughts.
It seems things we got conse
Hi, thank you for the comment.
>-Original Message-
>From: Kyotaro HORIGUCHI [mailto:horiguchi.kyot...@lab.ntt.co.jp]
>Sent: Wednesday, November 28, 2018 5:09 PM
>
>Hello.
>
>At Wed, 28 Nov 2018 05:13:26 +, "Ideriha, Takeshi"
> wrote in
><4E72940DA2BF16479384A86D54D0988A6F3BD73A@G01JPEX
Hello.
At Wed, 28 Nov 2018 05:13:26 +, "Ideriha, Takeshi"
wrote in
<4E72940DA2BF16479384A86D54D0988A6F3BD73A@G01JPEXMBKW04>
> Hi
>
> >From: Thomas Munro [mailto:thomas.mu...@enterprisedb.com]
> >Here we need something better, because once this new kind of memory fills up
> >with
> >leaked
Hi
>From: Thomas Munro [mailto:thomas.mu...@enterprisedb.com]
>Sent: Wednesday, November 14, 2018 9:50 AM
>To: Ideriha, Takeshi/出利葉 健
>
>On Tue, Nov 13, 2018 at 10:59 PM Ideriha, Takeshi
>
>wrote:
>> Can I check my understanding?
>> The situation you are talking about is the following:
>> Data s
On Tue, Nov 13, 2018 at 10:59 PM Ideriha, Takeshi
wrote:
> Can I check my understanding?
> The situation you are talking about is the following:
> Data structure A and B will be allocated on DSA. Data A has a pointer to B.
> Another data X is already allocated on some area (might be on local heap)
From: Thomas Munro [mailto:thomas.mu...@enterprisedb.com]
>
>On Tue, Nov 13, 2018 at 9:45 AM Robert Haas wrote:
>> On Thu, Nov 8, 2018 at 9:05 PM Thomas Munro
>> wrote:
>> > * I had some ideas about some kind of "allocation rollback" interface:
>> > you begin an "allocation transaction", allocat
Thank you for the comment.
From: Thomas Munro [mailto:thomas.mu...@enterprisedb.com]
>> I'm thinking to go with plan 1. No need to think about address
>> translation seems tempting. Plan 2 (as well as plan 3) looks a big project.
>
>The existing function dsa_create_in_place() interface was intende
On Tue, Nov 13, 2018 at 9:45 AM Robert Haas wrote:
> On Thu, Nov 8, 2018 at 9:05 PM Thomas Munro
> wrote:
> > * I had some ideas about some kind of "allocation rollback" interface:
> > you begin an "allocation transaction", allocate a bunch of stuff
> > (perhaps indirectly, by calling some API th
On Thu, Nov 8, 2018 at 9:05 PM Thomas Munro
wrote:
> * I had some ideas about some kind of "allocation rollback" interface:
> you begin an "allocation transaction", allocate a bunch of stuff
> (perhaps indirectly, by calling some API that makes query plans or
> whatever and is totally unaware of t
On Fri, Nov 9, 2018 at 2:19 PM Ideriha, Takeshi
wrote:
> From: Thomas Munro [mailto:thomas.mu...@enterprisedb.com]
> >I know of 3 ideas that would make your idea C work, so that you could share
> >something as complicated as a query plan directly without having to
> >deserialise it to
> >use it:
Hi, thank you for all the comment.
It's really helpful.
>From: Thomas Munro [mailto:thomas.mu...@enterprisedb.com]
>Sent: Wednesday, November 7, 2018 1:35 PM
>
>On Wed, Nov 7, 2018 at 3:34 PM Ideriha, Takeshi
>
>wrote:
>> Related to my development (putting relcache and catcache onto shared
>> me
On Wed, Nov 7, 2018 at 3:34 PM Ideriha, Takeshi
wrote:
> Related to my development (putting relcache and catcache onto shared
> memory)[1],
>
> I have some questions about how to copy variables into shared memory,
> especially DSA area, and its implementation way.
>
> Under the current architect
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