Archit Mishra bddd5d3630 Added mechanism to track deadlock chain ... Summary: Changes: * extended the wait_txn_map to track additional information * designed circular buffer to store n latest deadlocks' information * added test coverage to verify the additional information tracked is accurately stored in the buffer Closes https://github.com/facebook/rocksdb/pull/2630 Differential Revision: D5478025 Pulled By: armishra fbshipit-source-id: 2b138de7b5a73f5ca554fc3ff8220a3be49f39e7		2017-08-17 18:56:21 -07:00
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rocksdb	Added mechanism to track deadlock chain	2017-08-17 18:56:21 -07:00