txn:set min commit ts for prewrite build for async commit protocol (p…

…ingcap#18759) Co-authored-by: ti-srebot <[email protected]>
Afee2019 · Jul 24, 2020 · a4c9f81 · a4c9f81
1 parent baf6c99
commit a4c9f81
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/store/tikv/prewrite.go b/store/tikv/prewrite.go
@@ -84,6 +84,8 @@ func (c *twoPhaseCommitter) buildPrewriteRequest(batch batchMutations, txnSize u
 			req.Secondaries = c.asyncSecondaries()
 		}
 		req.UseAsyncCommit = true
+		// The async commit can not be used for large transactions, and the commit ts can't be pushed.
+		req.MinCommitTs = 0
 	}
 
 	return tikvrpc.NewRequest(tikvrpc.CmdPrewrite, req, pb.Context{Priority: c.priority, SyncLog: c.syncLog})