HBASE-7255 KV size metric went missing from StoreScanner.

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HBASE-8205. HBCK support for table locks

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HBASE-8300 TestSplitTransaction fails to delete files due to open handles left when region is split (Malie Yin)

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HBASE-8333 TestTableLockManager#testDelete may occasionally fail due to lack of synchronization between test and handler thread (Ted Yu)



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HBASE-8339 Make sure the StochasticLoadBalancer doesn't run a cost function when not needed

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HBASE-7801 Addendum - fix Mutation size

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HBASE-8334 Enable essential column family support by default



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