metrics: add txn ttl lifetime (tikv#766)

Signed-off-by: Jack Yu <[email protected]>
Co-authored-by: Shirly <[email protected]>

region_request: handle resource group error before Backoff (tikv#719)

Signed-off-by: Cabinfever_B <[email protected]>
Co-authored-by: disksing <[email protected]>

config support both path and names (tikv#683)

Signed-off-by: HuSharp <[email protected]>

fix data race in the LockKeys (tikv#655)

Signed-off-by: Weizhen Wang <[email protected]>

don't call onMemChange before all work is done in memdb (tikv#636)

Signed-off-by: ekexium <[email protected]>

upgrade tidb in integration test (tikv#614)

Signed-off-by: YangKeao <[email protected]>

client: fix the race between connArray.Close() and connArray.Get() (t…

…ikv#466)

Signed-off-by: disksing <[email protected]>

txnkv: fix the issue that deleteRange cannot use nil as endkey (tikv#429

)

Signed-off-by: disksing <[email protected]>

txnkv: decrease some max and base backoff time (tikv#388)


Signed-off-by: youjiali1995 <[email protected]>

branch name related changes (tikv#146)

Signed-off-by: disksing <[email protected]>