diff options
| author | Brian Behlendorf <[email protected]> | 2010-10-28 10:42:38 -0700 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2010-11-08 14:03:35 -0800 |
| commit | 7e55f4e00cefd7bf5ff7753759c42c5af19ba710 (patch) | |
| tree | dbd4a56f8230bb7e2806a194308f79dffb377d81 | |
| parent | 451041db531dfec52c9e70fbd5d4179e30d61e2f (diff) | |
Increate zio write interrupt thread count.
Increasing the default zio_wr_int thread count from 8 to 16 improves
write performence by 13% on large systems. More testing need to be
done but I suspect the ideal tuning here is ZTI_BATCH() with a minimum
of 8 threads.
| -rw-r--r-- | module/zfs/spa.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/module/zfs/spa.c b/module/zfs/spa.c index 93650386e..3599e61c9 100644 --- a/module/zfs/spa.c +++ b/module/zfs/spa.c @@ -106,7 +106,7 @@ const zio_taskq_info_t zio_taskqs[ZIO_TYPES][ZIO_TASKQ_TYPES] = { /* ISSUE ISSUE_HIGH INTR INTR_HIGH */ { ZTI_ONE, ZTI_NULL, ZTI_ONE, ZTI_NULL }, { ZTI_FIX(8), ZTI_NULL, ZTI_BATCH, ZTI_NULL }, - { ZTI_BATCH, ZTI_FIX(5), ZTI_FIX(8), ZTI_FIX(5) }, + { ZTI_BATCH, ZTI_FIX(5), ZTI_FIX(16), ZTI_FIX(5) }, { ZTI_FIX(100), ZTI_NULL, ZTI_ONE, ZTI_NULL }, { ZTI_ONE, ZTI_NULL, ZTI_ONE, ZTI_NULL }, { ZTI_ONE, ZTI_NULL, ZTI_ONE, ZTI_NULL }, |