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| author | Lukas Larsson <[email protected]> | 2013-10-28 16:10:07 +0100 |
|---|---|---|
| committer | Lukas Larsson <[email protected]> | 2014-02-24 15:15:59 +0100 |
| commit | d932131754c2bfb2e0539b6419e3d09533fe84e8 (patch) | |
| tree | 1fdd160136501a0ab3d5a42d8305581cac3e1b95 /erts/emulator | |
| parent | a3eba23b0caedcbd1d4cf181cb06b6f0d86f8bd4 (diff) | |
| download | otp-d932131754c2bfb2e0539b6419e3d09533fe84e8.tar.gz otp-d932131754c2bfb2e0539b6419e3d09533fe84e8.tar.bz2 otp-d932131754c2bfb2e0539b6419e3d09533fe84e8.zip | |
erts: configure number of write_concurrency locks
Make it possible to change the number of write_concurrency locks to use. This
is usefull to change when you for some reason want to use more/less locks
per write_concurrency ets table. eg. OSs with a limit on how many mutexes
can exist at once.
Diffstat (limited to 'erts/emulator')
| -rw-r--r-- | erts/emulator/beam/erl_db_hash.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_db_hash.h b/erts/emulator/beam/erl_db_hash.h index d17bd9f693..908cec11d4 100644 --- a/erts/emulator/beam/erl_db_hash.h +++ b/erts/emulator/beam/erl_db_hash.h @@ -33,7 +33,12 @@ typedef struct hash_db_term { DbTerm dbterm; /* The actual term */ } HashDbTerm; +#ifdef ERTS_DB_HASH_LOCK_CNT +#define DB_HASH_LOCK_CNT ERTS_DB_HASH_LOCK_CNT +#else #define DB_HASH_LOCK_CNT 64 +#endif + typedef struct db_table_hash_fine_locks { union { erts_smp_rwmtx_t lck; |