osd/OSD: wakeup all threads of shard.

In our test(4NVME), we found for 4K randread(8/16 mean shard, 2/1 mean thread_per_shard): QD 8_2(IOPS(k)) 16_1(IOPS(K)) 8_2(apply patch) 32 191 263 263.5 Signed-off-by: Jianpeng Ma <[email protected]>
senax · Apr 21, 2020 · d1cf3fb · d1cf3fb
1 parent 18734af
commit d1cf3fb
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/osd/OSD.cc b/src/osd/OSD.cc
@@ -10728,7 +10728,7 @@ void OSD::ShardedOpWQ::_enqueue(OpSchedulerItem&& item) {
 
   if (empty) {
     std::lock_guard l{sdata->sdata_wait_lock};
-    sdata->sdata_cond.notify_one();
+    sdata->sdata_cond.notify_all();
   }
 }