database: reduce idle memtable flush cpu shares to 1%

Commit 1671d9c (not on any release branch) accidentally bumped the idle memtable flush cpu shares to 100 (representing 10%), causing flushes to be too when they don't comsume too much cpu. Fixes scylladb#3243. Message-Id: <[email protected]>
sarvex · Apr 8, 2018 · 80651e6 · 80651e6
1 parent 53d97b1
commit 80651e6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/backlog_controller.hh b/backlog_controller.hh
@@ -119,7 +119,7 @@ public:
     flush_controller(seastar::scheduling_group sg, const ::io_priority_class& iop, float static_shares) : backlog_controller(sg, iop, static_shares) {}
     flush_controller(seastar::scheduling_group sg, const ::io_priority_class& iop, std::chrono::milliseconds interval, float soft_limit, std::function<float()> current_dirty)
         : backlog_controller(sg, iop, std::move(interval),
-          std::vector<backlog_controller::control_point>({{soft_limit, 100}, {soft_limit + (hard_dirty_limit - soft_limit) / 2, 200} , {hard_dirty_limit, 1000}}),
+          std::vector<backlog_controller::control_point>({{soft_limit, 10}, {soft_limit + (hard_dirty_limit - soft_limit) / 2, 200} , {hard_dirty_limit, 1000}}),
           std::move(current_dirty)
         )
     {}