diff options
| author | Vikas Gorur <vikas@gluster.com> | 2009-10-15 04:48:09 +0000 |
|---|---|---|
| committer | Anand V. Avati <avati@dev.gluster.com> | 2009-10-23 07:03:12 -0700 |
| commit | 00d2fafa1bcab7758aa20741a20fb4ea38b9a8ff (patch) | |
| tree | 20754e41c3fe40fff4e3ecc0369ca0dd0812c2f9 /xlators/cluster/afr/src/afr.c | |
| parent | 58efcf03a63324b7bbfda864647d35256917058a (diff) | |
cluster/afr: Pipeline the "full" data self-heal read-write loop.
Start upto "data-self-heal-window-size" instances of the read-write loop
of the "full" data self-heal algorithm simultaneously.
Add a new option "data-self-heal-window-size" with range [1-1024],
and a default value of 16.
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 320 (Improve self-heal performance)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=320
Diffstat (limited to 'xlators/cluster/afr/src/afr.c')
| -rw-r--r-- | xlators/cluster/afr/src/afr.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/xlators/cluster/afr/src/afr.c b/xlators/cluster/afr/src/afr.c index eea030ad1..bf023ce27 100644 --- a/xlators/cluster/afr/src/afr.c +++ b/xlators/cluster/afr/src/afr.c @@ -2338,6 +2338,7 @@ init (xlator_t *this) char * change_log = NULL; int32_t lock_server_count = 1; + int32_t window_size; int fav_ret = -1; int read_ret = -1; @@ -2391,6 +2392,19 @@ init (xlator_t *this) priv->data_self_heal_algorithm = strdup (algo); } + + priv->data_self_heal_window_size = 16; + + dict_ret = dict_get_int32 (this->options, "data-self-heal-window-size", + &window_size); + if (dict_ret == 0) { + gf_log (this->name, GF_LOG_DEBUG, + "Setting data self-heal window size to %d.", + window_size); + + priv->data_self_heal_window_size = window_size; + } + dict_ret = dict_get_str (this->options, "metadata-self-heal", &self_heal); if (dict_ret == 0) { @@ -2665,6 +2679,11 @@ struct volume_options options[] = { { .key = {"data-self-heal-algorithm"}, .type = GF_OPTION_TYPE_STR }, + { .key = {"data-self-heal-window-size"}, + .type = GF_OPTION_TYPE_INT, + .min = 1, + .max = 1024 + }, { .key = {"metadata-self-heal"}, .type = GF_OPTION_TYPE_BOOL }, |