diff options
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-volume-set.c')
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-volume-set.c | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-volume-set.c b/xlators/mgmt/glusterd/src/glusterd-volume-set.c index 7fa070c7d7d..66ae63f20a7 100644 --- a/xlators/mgmt/glusterd/src/glusterd-volume-set.c +++ b/xlators/mgmt/glusterd/src/glusterd-volume-set.c @@ -1845,46 +1845,70 @@ struct volopt_map_entry glusterd_volopt_map[] = { .option = "write-freq-threshold", .op_version = GD_OP_VERSION_3_7_0, .flags = OPT_FLAG_CLIENT_OPT, - .validate_fn = validate_tier + .validate_fn = validate_tier, + .description = "Defines the number of writes, in a promotion/demotion" + " cycle, that would mark a file HOT for promotion. Any" + " file that has write hits less than this value will " + "be considered as COLD and will be demoted." }, { .key = "cluster.read-freq-threshold", .voltype = "cluster/tier", .option = "read-freq-threshold", .op_version = GD_OP_VERSION_3_7_0, .flags = OPT_FLAG_CLIENT_OPT, - .validate_fn = validate_tier + .validate_fn = validate_tier, + .description = "Defines the number of reads, in a promotion/demotion " + "cycle, that would mark a file HOT for promotion. Any " + "file that has read hits less than this value will be " + "considered as COLD and will be demoted." }, { .key = "cluster.tier-promote-frequency", .voltype = "cluster/tier", .option = "tier-promote-frequency", .op_version = GD_OP_VERSION_3_7_0, .flags = OPT_FLAG_CLIENT_OPT, - .validate_fn = validate_tier + .validate_fn = validate_tier, + .description = "Defines how often the promotion should be triggered " + "i.e. periodicity of promotion cycles. The value is in " + "secs." }, { .key = "cluster.tier-demote-frequency", .voltype = "cluster/tier", .option = "tier-demote-frequency", .op_version = GD_OP_VERSION_3_7_0, .flags = OPT_FLAG_CLIENT_OPT, - .validate_fn = validate_tier + .validate_fn = validate_tier, + .description = "Defines how often the demotion should be triggered " + "i.e. periodicity of demotion cycles. The value is in " + "secs." }, { .key = "features.ctr-enabled", .voltype = "features/changetimerecorder", .value = "off", .option = "ctr-enabled", - .op_version = GD_OP_VERSION_3_7_0 + .op_version = GD_OP_VERSION_3_7_0, + .description = "Enable CTR xlator" }, { .key = "features.record-counters", .voltype = "features/changetimerecorder", .value = "off", .option = "record-counters", - .op_version = GD_OP_VERSION_3_7_0 + .op_version = GD_OP_VERSION_3_7_0, + .description = "Its a Change Time Recorder Xlator option to enable recording write " + "and read heat counters. The default is disabled. " + "If enabled, \"cluster.write-freq-threshold\" and " + "\"cluster.read-freq-threshold\" defined the number " + "of writes (or reads) to a given file are needed " + "before triggering migration." }, { .key = "features.ctr_link_consistency", .voltype = "features/changetimerecorder", .value = "off", .option = "ctr_link_consistency", - .op_version = GD_OP_VERSION_3_7_0 + .op_version = GD_OP_VERSION_3_7_0, + .description = "Enable a crash consistent way of recording hardlink " + "updates by Change Time Recorder Xlator. When recording in a crash " + "consistent way the data operations will experience more latency." }, #endif /* USE_GFDB */ { .key = "locks.trace", |