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Be less detailed about reporting shared memory failure by avoiding the

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output of actual Postgres parameter _values_ related to shared memory,
and suggesting that these are only possible parameters to reduce.
This commit is contained in:
Bruce Momjian
2011-02-27 12:21:25 -05:00
parent b04137a294
commit 67a5e727c8
1 changed files with 8 additions and 9 deletions
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17
src/backend/port/sysv_shmem.c
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@ -153,25 +153,25 @@ InternalIpcMemoryCreate(IpcMemoryKey memKey, Size size)
"segment exceeded your kernel's SHMMAX parameter. You can either " "segment exceeded your kernel's SHMMAX parameter. You can either "
"reduce the request size or reconfigure the kernel with larger SHMMAX. " "reduce the request size or reconfigure the kernel with larger SHMMAX. "
"To reduce the request size (currently %lu bytes), reduce " "To reduce the request size (currently %lu bytes), reduce "
"PostgreSQL's shared_buffers parameter (currently %d) and/or " "PostgreSQL's shared memory usage, perhaps by reducing shared_buffers"
"its max_connections parameter (currently %d).\n" "or max_connections.\n"
"If the request size is already small, it's possible that it is less than " "If the request size is already small, it's possible that it is less than "
"your kernel's SHMMIN parameter, in which case raising the request size or " "your kernel's SHMMIN parameter, in which case raising the request size or "
"reconfiguring SHMMIN is called for.\n" "reconfiguring SHMMIN is called for.\n"
"The PostgreSQL documentation contains more information about shared " "The PostgreSQL documentation contains more information about shared "
"memory configuration.", "memory configuration.",
(unsigned long) size, NBuffers, MaxBackends) : 0, (unsigned long) size) : 0,
(errno == ENOMEM) ? (errno == ENOMEM) ?
errhint("This error usually means that PostgreSQL's request for a shared " errhint("This error usually means that PostgreSQL's request for a shared "
"memory segment exceeded available memory or swap space, " "memory segment exceeded available memory or swap space, "
"or exceeded your kernel's SHMALL parameter. You can either " "or exceeded your kernel's SHMALL parameter. You can either "
"reduce the request size or reconfigure the kernel with larger SHMALL. " "reduce the request size or reconfigure the kernel with larger SHMALL. "
"To reduce the request size (currently %lu bytes), reduce " "To reduce the request size (currently %lu bytes), reduce "
"PostgreSQL's shared_buffers parameter (currently %d) and/or " "PostgreSQL's shared memory usage, perhaps by reducing shared_buffers"
"its max_connections parameter (currently %d).\n" "or max_connections.\n"
"The PostgreSQL documentation contains more information about shared " "The PostgreSQL documentation contains more information about shared "
"memory configuration.", "memory configuration.",
(unsigned long) size, NBuffers, MaxBackends) : 0, (unsigned long) size) : 0,
(errno == ENOSPC) ? (errno == ENOSPC) ?
errhint("This error does *not* mean that you have run out of disk space. " errhint("This error does *not* mean that you have run out of disk space. "
"It occurs either if all available shared memory IDs have been taken, " "It occurs either if all available shared memory IDs have been taken, "
@ -179,11 +179,10 @@ InternalIpcMemoryCreate(IpcMemoryKey memKey, Size size)
"or because the system's overall limit for shared memory has been " "or because the system's overall limit for shared memory has been "
"reached. If you cannot increase the shared memory limit, " "reached. If you cannot increase the shared memory limit, "
"reduce PostgreSQL's shared memory request (currently %lu bytes), " "reduce PostgreSQL's shared memory request (currently %lu bytes), "
"by reducing its shared_buffers parameter (currently %d) and/or " "perhaps by reducing shared_buffers or max_connections.\n"
"its max_connections parameter (currently %d).\n"
"The PostgreSQL documentation contains more information about shared " "The PostgreSQL documentation contains more information about shared "
"memory configuration.", "memory configuration.",
(unsigned long) size, NBuffers, MaxBackends) : 0)); (unsigned long) size) : 0));
} }
/* Register on-exit routine to delete the new segment */ /* Register on-exit routine to delete the new segment */