*: disable read committed isolation level #7280
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shenli
reviewed
Aug 5, 2018
store/tikv/region_request.go
Outdated
| @@ -240,12 +240,5 @@ func (s *RegionRequestSender) onRegionError(bo *Backoffer, ctx *RPCContext, regi | |||
| } | |||
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| func pbIsolationLevel(level kv.IsoLevel) kvrpcpb.IsolationLevel { | |||
| switch level { | |||
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Analyze statement need to use RC isolation level.
shenli
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priority/release-blocker
read committed isolation may cause inconsistent read. Only Analyze request use read committed isolation level.
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read committed isolation may cause inconsistent read.
What have you changed? (mandatory)
disable read committed isolation level
What is the type of the changes? (mandatory)
How has this PR been tested? (mandatory)
Run concurrent DML statements with admin check table.
Does this PR affect documentation (docs/docs-cn) update? (mandatory)
YES
Does this PR affect tidb-ansible update? (mandatory)
NO
Does this PR need to be added to the release notes? (mandatory)
YES
Refer to a related PR or issue link (optional)
Benchmark result if necessary (optional)
Add a few positive/negative examples (optional)