diff options
Diffstat (limited to 'src/include/config.h.in')
| -rw-r--r-- | src/include/config.h.in | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/include/config.h.in b/src/include/config.h.in index ad277bd001b..07e48851ffb 100644 --- a/src/include/config.h.in +++ b/src/include/config.h.in @@ -9,10 +9,17 @@ #define CONFIG_H /* - * Maximum number of backend server processes per postmaster. + * Default runtime limit on number of backend server processes per postmaster; + * this is just the default setting for the postmaster's -N switch. * (Actual value is set by configure script.) */ -#undef MAXBACKENDS +#undef DEF_MAXBACKENDS + +/* + * Hard limit on number of backend server processes per postmaster. + * Increasing this costs about 32 bytes per process slot as of v 6.5. + */ +#define MAXBACKENDS (DEF_MAXBACKENDS > 1024 ? DEF_MAXBACKENDS : 1024) /* * Size of a disk block --- currently, this limits the size of a tuple. |