From: MingXin Liu <mingxinliu@xxxxxxxxxxxxxxx>
Signed-off-by: MingXin Liu <mingxinliu@xxxxxxxxxxxxxxx>
Reviewed-by: Li Wang <liwang@xxxxxxxxxxxxxxx>
---
src/mon/MonCommands.h | 8 +++--
src/mon/OSDMonitor.cc | 87 ++++++++++++++++++++++++++++++++++++++++++++++++---
2 files changed, 88 insertions(+), 7 deletions(-)
diff --git a/src/mon/MonCommands.h b/src/mon/MonCommands.h
index 8a36807..b26834d 100644
--- a/src/mon/MonCommands.h
+++ b/src/mon/MonCommands.h
@@ -639,11 +639,11 @@ COMMAND("osd pool rename " \
"rename <srcpool> to <destpool>", "osd", "rw", "cli,rest")
COMMAND("osd pool get " \
"name=pool,type=CephPoolname " \
- "name=var,type=CephChoices,strings=size|min_size|crash_replay_interval|pg_num|pgp_num|crush_ruleset|hit_set_type|hit_set_period|hit_set_count|hit_set_fpp|auid|target_max_objects|target_max_bytes|cache_target_dirty_ratio|cache_target_full_ratio|cache_min_flush_age|cache_min_evict_age|erasure_code_profile|min_read_recency_for_promote|write_fadvise_dontneed|all", \
+ "name=var,type=CephChoices,strings=size|min_size|crash_replay_interval|pg_num|pgp_num|crush_ruleset|hit_set_type|hit_set_period|hit_set_count|hit_set_fpp|auid|target_max_objects|target_max_bytes|cache_target_dirty_ratio|cache_target_full_ratio|cache_min_flush_age|cache_min_evict_age|erasure_code_profile|min_read_recency_for_promote|write_fadvise_dontneed|hit_set_grade_decay_rate|all", \
"get pool parameter <var>", "osd", "r", "cli,rest")
COMMAND("osd pool set " \
"name=pool,type=CephPoolname " \
- "name=var,type=CephChoices,strings=size|min_size|crash_replay_interval|pg_num|pgp_num|crush_ruleset|hashpspool|nodelete|nopgchange|nosizechange|hit_set_type|hit_set_period|hit_set_count|hit_set_fpp|debug_fake_ec_pool|target_max_bytes|target_max_objects|cache_target_dirty_ratio|cache_target_full_ratio|cache_min_flush_age|cache_min_evict_age|auid|min_read_recency_for_promote|write_fadvise_dontneed " \
+ "name=var,type=CephChoices,strings=size|min_size|crash_replay_interval|pg_num|pgp_num|crush_ruleset|hashpspool|nodelete|nopgchange|nosizechange|hit_set_type|hit_set_period|hit_set_count|hit_set_fpp|debug_fake_ec_pool|target_max_bytes|target_max_objects|cache_target_dirty_ratio|cache_target_full_ratio|cache_min_flush_age|cache_min_evict_age|auid|min_read_recency_for_promote|write_fadvise_dontneed|hit_set_grade_decay_rate " \
"name=val,type=CephString " \
"name=force,type=CephChoices,strings=--yes-i-really-mean-it,req=false", \
"set pool parameter <var> to <val>", "osd", "rw", "cli,rest")
@@ -695,6 +695,10 @@ COMMAND("osd tier cache-mode " \
"name=pool,type=CephPoolname " \
"name=mode,type=CephChoices,strings=none|writeback|forward|readonly|readforward|readproxy", \
"specify the caching mode for cache tier <pool>", "osd", "rw", "cli,rest")
+COMMAND("osd tier cache-measure " \
+ "name=pool,type=CephPoolname " \
+ "name=measure,type=CephChoices,strings=atime|temperature", \
+ "specify the caching measure to judge hot objects for cache tier <pool>", "osd", "rw", "cli,rest")
COMMAND("osd tier set-overlay " \
"name=pool,type=CephPoolname " \
"name=overlaypool,type=CephPoolname", \
diff --git a/src/mon/OSDMonitor.cc b/src/mon/OSDMonitor.cc
index 10597d0..0374778 100644
--- a/src/mon/OSDMonitor.cc
+++ b/src/mon/OSDMonitor.cc
@@ -2803,7 +2803,7 @@ namespace {
CACHE_TARGET_DIRTY_RATIO, CACHE_TARGET_FULL_RATIO,
CACHE_MIN_FLUSH_AGE, CACHE_MIN_EVICT_AGE,
ERASURE_CODE_PROFILE, MIN_READ_RECENCY_FOR_PROMOTE,
- WRITE_FADVISE_DONTNEED};
+ WRITE_FADVISE_DONTNEED, HIT_SET_GRADE_DECAY_RATE};
std::set<osd_pool_get_choices>
subtract_second_from_first(const std::set<osd_pool_get_choices>& first,
@@ -3251,7 +3251,8 @@ bool OSDMonitor::preprocess_command(MMonCommand *m)
("cache_min_evict_age", CACHE_MIN_EVICT_AGE)
("erasure_code_profile", ERASURE_CODE_PROFILE)
("min_read_recency_for_promote", MIN_READ_RECENCY_FOR_PROMOTE)
- ("write_fadvise_dontneed", WRITE_FADVISE_DONTNEED);
+ ("write_fadvise_dontneed", WRITE_FADVISE_DONTNEED)
+ ("hit_set_grade_decay_rate", HIT_SET_GRADE_DECAY_RATE);
typedef std::set<osd_pool_get_choices> choices_set_t;
@@ -3259,7 +3260,7 @@ bool OSDMonitor::preprocess_command(MMonCommand *m)
(HIT_SET_TYPE)(HIT_SET_PERIOD)(HIT_SET_COUNT)(HIT_SET_FPP)
(TARGET_MAX_OBJECTS)(TARGET_MAX_BYTES)(CACHE_TARGET_FULL_RATIO)
(CACHE_TARGET_DIRTY_RATIO)(CACHE_MIN_FLUSH_AGE)(CACHE_MIN_EVICT_AGE)
- (MIN_READ_RECENCY_FOR_PROMOTE);
+ (MIN_READ_RECENCY_FOR_PROMOTE)(HIT_SET_GRADE_DECAY_RATE);
const choices_set_t ONLY_ERASURE_CHOICES = boost::assign::list_of
(ERASURE_CODE_PROFILE);
@@ -3389,6 +3390,10 @@ bool OSDMonitor::preprocess_command(MMonCommand *m)
f->dump_int("min_read_recency_for_promote",
p->min_read_recency_for_promote);
break;
+ case HIT_SET_GRADE_DECAY_RATE:
+ f->dump_int("hit_set_priority_decacy_rate",
+ p->hit_set_grade_decay_rate);
+ break;
case WRITE_FADVISE_DONTNEED:
f->dump_string("write_fadvise_dontneed",
p->has_flag(pg_pool_t::FLAG_WRITE_FADVISE_DONTNEED) ?
@@ -3476,6 +3481,10 @@ bool OSDMonitor::preprocess_command(MMonCommand *m)
ss << "min_read_recency_for_promote: " <<
p->min_read_recency_for_promote << "\n";
break;
+ case HIT_SET_GRADE_DECAY_RATE:
+ ss << "hit_set_grade_decay_rate: " <<
+ p->hit_set_grade_decay_rate << "\n";
+ break;
case WRITE_FADVISE_DONTNEED:
ss << "write_fadvise_dontneed: " <<
(p->has_flag(pg_pool_t::FLAG_WRITE_FADVISE_DONTNEED) ?
@@ -4466,7 +4475,8 @@ int OSDMonitor::prepare_command_pool_set(map<string,cmd_vartype> &cmdmap,
var == "hit_set_count" || var == "hit_set_fpp" ||
var == "target_max_objects" || var == "target_max_bytes" ||
var == "cache_target_full_ratio" || var == "cache_target_dirty_ratio" ||
- var == "cache_min_flush_age" || var == "cache_min_evict_age")) {
+ var == "cache_min_flush_age" || var == "cache_min_evict_age" ||
+ var == "hit_set_grade_decay_rate")) {
ss << "pool '" << poolstr << "' is not a tier pool: variable not applicable";
return -EACCES;
}
@@ -4652,12 +4662,12 @@ int OSDMonitor::prepare_command_pool_set(map<string,cmd_vartype> &cmdmap,
}
p.hit_set_period = n;
} else if (var == "hit_set_count") {
-
if (interr.length()) {
ss << "error parsing integer value '" << val << "': " << interr;
return -EINVAL;
}
p.hit_set_count = n;
+ p.set_grade(p.hit_set_grade_decay_rate, n);
} else if (var == "hit_set_fpp") {
if (floaterr.length()) {
ss << "error parsing floating point value '" << val << "': " << floaterr;
@@ -4723,6 +4733,17 @@ int OSDMonitor::prepare_command_pool_set(map<string,cmd_vartype> &cmdmap,
return -EINVAL;
}
p.min_read_recency_for_promote = n;
+ } else if (var == "hit_set_grade_decay_rate") {
+ if (interr.length()) {
+ ss << "error parsing integer value '" << val << "': " << interr;
+ return -EINVAL;
+ }
+ if (n > 100 || n < 0) {
+ ss << "value out of range,valid range is 0 - 100";
+ return -EINVAL;
+ }
+ p.hit_set_grade_decay_rate = n;
+ p.set_grade(n, p.hit_set_count);
} else if (var == "write_fadvise_dontneed") {
if (val == "true" || (interr.empty() && n == 1)) {
p.flags |= pg_pool_t::FLAG_WRITE_FADVISE_DONTNEED;
@@ -6744,6 +6765,62 @@ done:
wait_for_finished_proposal(new Monitor::C_Command(mon, m, 0, ss.str(),
get_last_committed() + 1));
return true;
+ } else if (prefix == "osd tier cache-measure") {
+ err = check_cluster_features(CEPH_FEATURE_OSD_CACHEPOOL, ss);
+ if (err == -EAGAIN)
+ goto wait;
+ if (err)
+ goto reply;
+ string poolstr;
+ cmd_getval(g_ceph_context, cmdmap, "pool", poolstr);
+ int64_t pool_id = osdmap.lookup_pg_pool_name(poolstr);
+ if (pool_id < 0) {
+ ss << "unrecognized pool '" << poolstr << "'";
+ err = -ENOENT;
+ goto reply;
+ }
+ const pg_pool_t *p = osdmap.get_pg_pool(pool_id);
+ assert(p);
+ if (!p->is_tier()) {
+ ss << "pool '" << poolstr << "' is not a tier";
+ err = -EINVAL;
+ goto reply;
+ }
+ string measurestr;
+ cmd_getval(g_ceph_context, cmdmap, "measure", measurestr);
+ pg_pool_t::cache_measure_t measure = pg_pool_t::get_cache_measure_from_str(measurestr);
+ if (measure < 0) {
+ ss << "'" << measurestr << "' is not a valid cache measure";
+ err = -EINVAL;
+ goto reply;
+ }
+ if (p->grade_table.empty()) {
+ ss << "grade_table is empty,set hit_set and hit_set_decay_rate first";
+ err = -EINVAL;
+ goto reply;
+ }
+ if (p->hit_set_params.get_type() == HitSet::TYPE_NONE) {
+ ss << "hit_set_type cannot be none";
+ err = -EINVAL;
+ goto reply;
+ }
+
+ //pool already had this cache-measure set and there are no pending changes
+ if (p->cache_measure == measure &&
+ (pending_inc.new_pools.count(pool_id) == 0 ||
+ pending_inc.new_pools[pool_id].cache_measure == p->cache_measure)) {
+ ss << "set cache-measure for pool '" << poolstr << "'"
+ << " to " << pg_pool_t::get_cache_measure_name(measure);
+ err = 0;
+ goto reply;
+ }
+ pg_pool_t *np = pending_inc.get_new_pool(pool_id, p);
+ np->cache_measure = measure;
+ ss << "set cache-measure for pool '" << poolstr
+ << "' to " << pg_pool_t::get_cache_measure_name(measure);
+ wait_for_finished_proposal(new Monitor::C_Command(mon, m, 0, ss.str(),
+ get_last_committed() + 1));
+ return true;
} else if (prefix == "osd tier add-cache") {
err = check_cluster_features(CEPH_FEATURE_OSD_CACHEPOOL, ss);
if (err == -EAGAIN)
--
1.9.1
--
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