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*: fix oom action cancel bug (#10993) #11016

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merged 4 commits into from
Jul 2, 2019
Merged

*: fix oom action cancel bug (#10993) #11016

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47d610a
*: fix oom action cancel bug (#10993)
crazycs520 Jul 1, 2019
d0fe824
fix test
crazycs520 Jul 1, 2019
0f42c36
Merge branch 'release-2.1' into 10993-2.1
crazycs520 Jul 1, 2019
15870cf
Merge branch 'release-2.1' into 10993-2.1
crazycs520 Jul 2, 2019
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12 changes: 12 additions & 0 deletions executor/executor_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3681,6 +3681,18 @@ func (s *testOOMSuite) TestDistSQLMemoryControl(c *C) {
tk.Se.GetSessionVars().MemQuotaDistSQL = -1
}

func (s *testSuite) TestOOMPanicAction(c *C) {
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
tk.MustExec("drop table if exists t")
tk.MustExec("create table t (a int primary key, b double);")
tk.MustExec("insert into t values (1,1)")
config.GetGlobalConfig().OOMAction = config.OOMActionCancel
tk.MustExec("set @@tidb_mem_quota_query=1;")
err := tk.QueryToErr("select sum(b) from t group by a;")
c.Assert(err, NotNil)
}

type oomCapturer struct {
zapcore.Core
tracker string
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2 changes: 1 addition & 1 deletion store/tikv/coprocessor.go
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Expand Up @@ -617,7 +617,7 @@ func (worker *copIteratorWorker) handleTask(bo *Backoffer, task *copTask, respCh
zap.Stack("stack trace"))
resp := &copResponse{err: errors.Errorf("%v", r)}
// if panic has happened, set checkOOM to false to avoid another panic.
worker.sendToRespCh(resp, task.respChan, false)
worker.sendToRespCh(resp, respCh, false)
}
}()

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