diff options
| author | Brian Behlendorf <[email protected]> | 2016-10-26 09:13:43 -0700 |
|---|---|---|
| committer | GitHub <[email protected]> | 2016-10-26 09:13:43 -0700 |
| commit | 76a87a902ef031432a855fb341cf35291e2be2b6 (patch) | |
| tree | 1fc4f066e2d0563f4eff659ec896ba65db639084 | |
| parent | e4010f2719e3381ae15563d50b99e51ffe2b2168 (diff) | |
Disable zio_dva_throttle_enabled by default
Until it can be determined definitively that a performance
regression wasn't introduced accidentally by 3dfb57a this
functionality is being disabled by default. It can be re-
enabled by setting zio_dva_throttle_enabled=1.
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #5335
Issue #5289
| -rw-r--r-- | man/man5/zfs-module-parameters.5 | 2 | ||||
| -rw-r--r-- | module/zfs/zio.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/man/man5/zfs-module-parameters.5 b/man/man5/zfs-module-parameters.5 index 95527906b..8e37a97e2 100644 --- a/man/man5/zfs-module-parameters.5 +++ b/man/man5/zfs-module-parameters.5 @@ -1861,7 +1861,7 @@ Default value: \fB30,000\fR. Throttle block allocations in the ZIO pipeline. This allows for dynamic allocation distribution when devices are imbalanced. .sp -Default value: \fB1\fR. +Default value: \fB0\fR. .RE .sp diff --git a/module/zfs/zio.c b/module/zfs/zio.c index e1fa543da..c149b4ff2 100644 --- a/module/zfs/zio.c +++ b/module/zfs/zio.c @@ -56,7 +56,7 @@ const char *zio_type_name[ZIO_TYPES] = { "z_null", "z_rd", "z_wr", "z_fr", "z_cl", "z_ioctl" }; -int zio_dva_throttle_enabled = B_TRUE; +int zio_dva_throttle_enabled = B_FALSE; /* * ========================================================================== |