diff options
Diffstat (limited to 'src/backend/storage/file/fd.c')
| -rw-r--r-- | src/backend/storage/file/fd.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/backend/storage/file/fd.c b/src/backend/storage/file/fd.c index 62f1185859f..0c3a2a756e7 100644 --- a/src/backend/storage/file/fd.c +++ b/src/backend/storage/file/fd.c @@ -1047,16 +1047,17 @@ set_max_safe_fds(void) /*---------- * We want to set max_safe_fds to - * MIN(usable_fds, max_files_per_process - already_open) + * MIN(usable_fds, max_files_per_process) * less the slop factor for files that are opened without consulting - * fd.c. This ensures that we won't exceed either max_files_per_process - * or the experimentally-determined EMFILE limit. + * fd.c. This ensures that we won't allow to open more than + * max_files_per_process, or the experimentally-determined EMFILE limit, + * additional files. *---------- */ count_usable_fds(max_files_per_process, &usable_fds, &already_open); - max_safe_fds = Min(usable_fds, max_files_per_process - already_open); + max_safe_fds = Min(usable_fds, max_files_per_process); /* * Take off the FDs reserved for system() etc. @@ -1070,9 +1071,10 @@ set_max_safe_fds(void) ereport(FATAL, (errcode(ERRCODE_INSUFFICIENT_RESOURCES), errmsg("insufficient file descriptors available to start server process"), - errdetail("System allows %d, server needs at least %d.", + errdetail("System allows %d, server needs at least %d, %d files are already open.", max_safe_fds + NUM_RESERVED_FDS, - FD_MINFREE + NUM_RESERVED_FDS))); + FD_MINFREE + NUM_RESERVED_FDS, + already_open))); elog(DEBUG2, "max_safe_fds = %d, usable_fds = %d, already_open = %d", max_safe_fds, usable_fds, already_open); |