database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-11-26 23:43:30 +03:00
Code Activity

Add an EXPLAIN (BUFFERS) option to show buffer-usage statistics.

Browse Source 
This patch also removes buffer-usage statistics from the track_counts
output, since this (or the global server statistics) is deemed to be a better
interface to this information.

Itagaki Takahiro, reviewed by Euler Taveira de Oliveira.
This commit is contained in:
Robert Haas
2009-12-15 04:57:48 +00:00
parent 6f1bf75d50
commit cddca5ec13
25 changed files with 274 additions and 140 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/include/storage/buf_internals.h
View File

@@ -8,7 +8,7 @@
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/storage/buf_internals.h,v 1.102 2009/06/11 14:49:12 momjian Exp $
* $PostgreSQL: pgsql/src/include/storage/buf_internals.h,v 1.103 2009/12/15 04:57:48 rhaas Exp $
*
*-------------------------------------------------------------------------
*/
@@ -173,16 +173,6 @@ extern PGDLLIMPORT BufferDesc *BufferDescriptors;
/* in localbuf.c */
extern BufferDesc *LocalBufferDescriptors;
/* event counters in buf_init.c */
extern long int ReadBufferCount;
extern long int ReadLocalBufferCount;
extern long int BufferHitCount;
extern long int LocalBufferHitCount;
extern long int BufferFlushCount;
extern long int LocalBufferFlushCount;
extern long int BufFileReadCount;
extern long int BufFileWriteCount;
/*
* Internal routines: only called by bufmgr