[COMMITTERS] pgsql: Avoid SIGBUS on Linux when a DSM memory request overruns tmpfs.

2017-09-25 Thread Tom Lane
Avoid SIGBUS on Linux when a DSM memory request overruns tmpfs. On Linux, shared memory segments created with shm_open() are backed by swap files created in tmpfs. If the swap file needs to be extended, but there's no tmpfs space left, you get a very unfriendly SIGBUS trap. To avoid this, force a

[COMMITTERS] pgsql: Avoid SIGBUS on Linux when a DSM memory request overruns tmpfs.

2017-09-25 Thread Tom Lane
Avoid SIGBUS on Linux when a DSM memory request overruns tmpfs. On Linux, shared memory segments created with shm_open() are backed by swap files created in tmpfs. If the swap file needs to be extended, but there's no tmpfs space left, you get a very unfriendly SIGBUS trap. To avoid this, force a

[COMMITTERS] pgsql: Avoid SIGBUS on Linux when a DSM memory request overruns tmpfs.

2017-09-25 Thread Tom Lane
Avoid SIGBUS on Linux when a DSM memory request overruns tmpfs. On Linux, shared memory segments created with shm_open() are backed by swap files created in tmpfs. If the swap file needs to be extended, but there's no tmpfs space left, you get a very unfriendly SIGBUS trap. To avoid this, force a

[COMMITTERS] pgsql: Avoid SIGBUS on Linux when a DSM memory request overruns tmpfs.

2017-09-25 Thread Tom Lane
Avoid SIGBUS on Linux when a DSM memory request overruns tmpfs. On Linux, shared memory segments created with shm_open() are backed by swap files created in tmpfs. If the swap file needs to be extended, but there's no tmpfs space left, you get a very unfriendly SIGBUS trap. To avoid this, force a

[COMMITTERS] pgsql: Avoid SIGBUS on Linux when a DSM memory request overruns tmpfs.

2017-09-25 Thread Tom Lane
Avoid SIGBUS on Linux when a DSM memory request overruns tmpfs. On Linux, shared memory segments created with shm_open() are backed by swap files created in tmpfs. If the swap file needs to be extended, but there's no tmpfs space left, you get a very unfriendly SIGBUS trap. To avoid this, force a