fix sched_setaffinity failed. (#5459) (#5461)

close #5457
pingcap · Jul 26, 2022 · aa50505 · aa50505
1 parent f11c6c4
commit aa50505
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/dbms/src/Storages/DeltaMerge/ReadThread/SegmentReader.cpp b/dbms/src/Storages/DeltaMerge/ReadThread/SegmentReader.cpp
@@ -69,10 +69,13 @@ class SegmentReader
         int ret = sched_setaffinity(0, sizeof(cpu_set), &cpu_set);
         if (ret != 0)
         {
-            LOG_FMT_ERROR(log, "sched_setaffinity fail: {}", std::strerror(errno));
-            throw Exception(fmt::format("sched_setaffinity fail: {}", std::strerror(errno)));
+            // It can be failed due to some CPU core cannot access, such as CPU offline.
+            LOG_FMT_ERROR(log, "sched_setaffinity cpus {} fail: {}", cpus, std::strerror(errno));
+        }
+        else
+        {
+            LOG_FMT_DEBUG(log, "sched_setaffinity cpus {} succ", cpus);
         }
-        LOG_FMT_DEBUG(log, "sched_setaffinity cpus {} succ", cpus);
 #endif
     }