diff options
Diffstat (limited to 'xlators/cluster/ec/src/ec.c')
| -rw-r--r-- | xlators/cluster/ec/src/ec.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/xlators/cluster/ec/src/ec.c b/xlators/cluster/ec/src/ec.c index 1d53981303a..ab26e882a2e 100644 --- a/xlators/cluster/ec/src/ec.c +++ b/xlators/cluster/ec/src/ec.c @@ -1327,8 +1327,18 @@ struct volume_options options[] = { .key = {"eager-lock"}, .type = GF_OPTION_TYPE_BOOL, .default_value = "on", - .description = "This option will enable/diable eager lock for" - "disperse volume " + .description = "Enable/Disable eager lock for disperse volume. " + "If a fop takes a lock and completes its operation, " + "it waits for next 1 second before releasing the lock, " + "to see if the lock can be reused for next fop from " + "the same client. If ec finds any lock contention within " + "1 second it releases the lock immediately before time " + "expires. This improves the performance of file operations." + "However, as it takes lock on first brick, for few operations " + "like read, discovery of lock contention might take long time " + "and can actually degrade the performance. " + "If eager lock is disabled, lock will be released as soon as fop " + "completes. " }, { .key = {"background-heals"}, .type = GF_OPTION_TYPE_INT, |