Re: MultiXact\SLRU buffers configuration - Mailing list pgsql-hackers

From Julien Rouhaud
Subject Re: MultiXact\SLRU buffers configuration
Date
Msg-id 20220114092838.gbr6ea7zxbaespsr@jrouhaud
Whole thread Raw
In response to Re: MultiXact\SLRU buffers configuration  (Andrey Borodin <x4mmm@yandex-team.ru>)
Responses Re: MultiXact\SLRU buffers configuration
List pgsql-hackers
Hi,
On Sun, Dec 26, 2021 at 03:09:59PM +0500, Andrey Borodin wrote:
> 
> 
> PFA rebase of the patchset. Also I've added a patch to combine page_number, page_status, and page_dirty together to
touchless cachelines.
 

The cfbot reports some errors on the latest version of the patch:

https://cirrus-ci.com/task/6121317215764480
[04:56:38.432] su postgres -c "make -s -j${BUILD_JOBS} world-bin"
[04:56:48.270] In file included from async.c:134:
[04:56:48.270] ../../../src/include/access/slru.h:47:28: error: expected identifier or ‘(’ before ‘:’ token
[04:56:48.270]    47 | typedef enum SlruPageStatus:int16_t
[04:56:48.270]       |                            ^
[04:56:48.270] ../../../src/include/access/slru.h:53:3: warning: data definition has no type or storage class
[04:56:48.270]    53 | } SlruPageStatus;
[04:56:48.270]       |   ^~~~~~~~~~~~~~
[04:56:48.270] ../../../src/include/access/slru.h:53:3: warning: type defaults to ‘int’ in declaration of
‘SlruPageStatus’[-Wimplicit-int]
 
[04:56:48.270] ../../../src/include/access/slru.h:58:2: error: expected specifier-qualifier-list before
‘SlruPageStatus’
[04:56:48.270]    58 |  SlruPageStatus page_status;
[04:56:48.270]       |  ^~~~~~~~~~~~~~
[04:56:48.270] async.c: In function ‘asyncQueueAddEntries’:
[04:56:48.270] async.c:1448:41: error: ‘SlruPageEntry’ has no member named ‘page_dirty’
[04:56:48.270]  1448 |  NotifyCtl->shared->page_entries[slotno].page_dirty = true;
[04:56:48.270]       |                                         ^
[04:56:48.271] make[3]: *** [<builtin>: async.o] Error 1
[04:56:48.271] make[3]: *** Waiting for unfinished jobs....
[04:56:48.297] make[2]: *** [common.mk:39: commands-recursive] Error 2
[04:56:48.297] make[2]: *** Waiting for unfinished jobs....
[04:56:54.554] In file included from clog.c:36:
[04:56:54.554] ../../../../src/include/access/slru.h:47:28: error: expected identifier or ‘(’ before ‘:’ token
[04:56:54.554]    47 | typedef enum SlruPageStatus:int16_t
[04:56:54.554]       |                            ^
[04:56:54.554] ../../../../src/include/access/slru.h:53:3: warning: data definition has no type or storage class
[04:56:54.554]    53 | } SlruPageStatus;
[04:56:54.554]       |   ^~~~~~~~~~~~~~
[04:56:54.554] ../../../../src/include/access/slru.h:53:3: warning: type defaults to ‘int’ in declaration of
‘SlruPageStatus’[-Wimplicit-int]
 
[04:56:54.554] ../../../../src/include/access/slru.h:58:2: error: expected specifier-qualifier-list before
‘SlruPageStatus’
[04:56:54.554]    58 |  SlruPageStatus page_status;
[04:56:54.554]       |  ^~~~~~~~~~~~~~
[04:56:54.554] clog.c: In function ‘TransactionIdSetPageStatusInternal’:
[04:56:54.554] clog.c:396:39: error: ‘SlruPageEntry’ has no member named ‘page_dirty’
[04:56:54.554]   396 |  XactCtl->shared->page_entries[slotno].page_dirty = true;
[04:56:54.554]       |                                       ^
[04:56:54.554] In file included from ../../../../src/include/postgres.h:46,
[04:56:54.554]                  from clog.c:33:
[04:56:54.554] clog.c: In function ‘BootStrapCLOG’:
[04:56:54.554] clog.c:716:47: error: ‘SlruPageEntry’ has no member named ‘page_dirty’
[04:56:54.554]   716 |  Assert(!XactCtl->shared->page_entries[slotno].page_dirty);
[04:56:54.554]       |                                               ^
[04:56:54.554] ../../../../src/include/c.h:848:9: note: in definition of macro ‘Assert’
[04:56:54.554]   848 |   if (!(condition)) \
[04:56:54.554]       |         ^~~~~~~~~
[04:56:54.554] clog.c: In function ‘TrimCLOG’:
[04:56:54.554] clog.c:801:40: error: ‘SlruPageEntry’ has no member named ‘page_dirty’
[04:56:54.554]   801 |   XactCtl->shared->page_entries[slotno].page_dirty = true;
[04:56:54.554]       |                                        ^
[04:56:54.554] In file included from ../../../../src/include/postgres.h:46,
[04:56:54.554]                  from clog.c:33:
[04:56:54.554] clog.c: In function ‘clog_redo’:
[04:56:54.554] clog.c:997:48: error: ‘SlruPageEntry’ has no member named ‘page_dirty’
[04:56:54.554]   997 |   Assert(!XactCtl->shared->page_entries[slotno].page_dirty);
[04:56:54.554]       |                                                ^
[04:56:54.554] ../../../../src/include/c.h:848:9: note: in definition of macro ‘Assert’
[04:56:54.554]   848 |   if (!(condition)) \
[04:56:54.554]       |         ^~~~~~~~~
[04:56:54.555] make[4]: *** [<builtin>: clog.o] Error 1
[04:56:54.555] make[3]: *** [../../../src/backend/common.mk:39: transam-recursive] Error 2
[04:56:54.555] make[3]: *** Waiting for unfinished jobs....
[04:56:56.405] make[2]: *** [common.mk:39: access-recursive] Error 2
[04:56:56.405] make[1]: *** [Makefile:42: all-backend-recurse] Error 2
[04:56:56.405] make: *** [GNUmakefile:21: world-bin-src-recurse] Error 2
[04:56:56.407]
[04:56:56.407] Exit status: 2

Could you send a new version?  In the meantime I will switch the patch status
to Waiting on Author.



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