tikv-server rc4

• Support the configuration of query prioritizing
• Support the RC isolation level
• Improve Jepsen test results and the stability
• Support Document Store
• Coprocessor now supports more pushdown functions
• Improve the performance and stability

tikv-server rc3

• Support gRPC
• Support the Sorted String Table (SST) format snapshot to improve the load balancing speed of a cluster
• Support using the Heap Profile to uncover memory leaks
• Support Streaming SIMD Extensions (SSE) and speed up the CRC32 calculation
• Accelerate transferring leader for faster load balancing
• Use Batch Apply to reduce CPU usage and improve the write performance
• Support parallel Prewrite to improve the transaction write speed
• Optimize the scheduling of the coprocessor thread pool to reduce the impact of big queries on point get
• The new Loader supports data importing at the table level, as well as splitting a big table into smaller logical blocks to import concurrently to improve the data importing speed.

tikv-server rc2

• Support Async Apply to improve the entire write perfomance
• Use prefix seek to improve the read performance of Write CF
• Use memory hint prefix to improve the insert perfomance of Raft CF
• Optimize the single read transaction performance
• Support more push-down expressions
• Improve the monitoring system
• Fix Bugs

tikv-server rc2-preview

there is no value need to be deleted when rollback lock (#1553)

* there is no value need to delete when rollback lock

tikv-server rc1

*: handle truncate error  (#1423)

TiKV Beta4

beta4

rocksdb: scan not fill block-cache (#1251)