TiDB 3.0.10 release, NewSQL distributed database

TiDB  3.0.10  has been released, this version updates are as follows: 

TiDB

• Join repair IndexLookUpJoin error results when using the OtherCondition construction InnerRange  # 14599
• Delete  tidb_pprof_sql_cpu configuration items, the new Server-level  tidb_pprof_sql_cpu variables  # 14416
• Fix users can only query the database when all issues have global permissions  # 14386
• Repair the implementation of point-get due to the transaction timeout cause problems of visibility data does not match the expected  # 14480
• The pessimistic transactions activation time was changed to delay activation, consistent with optimistic transaction model  # 14474
• Repair unixtimestamp expression in the calculation of the partition table partition time zone is not the right questions  # 14476
• New tidb_session_statement_deadlock_detect_duration_seconds monitoring items for monitoring the deadlock detection time  # 14484
• As part of the restoration GC worker logic does not lead to correct problems in the system panic  # 14439
• Expression name IsTrue repair function is not the right questions  # 14516
• Memory usage statistics to repair part of the problem of inaccurate  # 14533
• Repair statistics CM-Sketch initialization logic is incorrect due process issues cause the system to panic  # 14470
• Crop partition (partition pruning) repair partition table query the problem of inaccurate  # 14546
• Repair SQL bind SQL statement to set the default database name is not the right questions  # 14548
• Repair json_key and MySQL incompatibility  # 14561
• New partition table to automatically update statistics function  # 14566
• Fix the problem when performing point-get plan id will change, normally plan id is always 1  # 14595
• Repair SQL binding does not exactly match the processing logic does not lead to correct problems in the system panic  # 14263
• New  tidb_session_statement_pessimistic_retry_count monitoring items for monitoring the number of pessimistic transactions after locking failure retry  # 14619
• Fix  show binding the problem statement permissions do not check the correct  # 14618
• Due to repair logic backoff's no check mark killed, leading to problems can not be executed properly kill  # 14614
• By reducing the time to hold internal lock statement summary improve performance  # 14627
• Repair TiDB parsed from a string to a time not compatible with MySQL problem  # 14570
• New audit log records Login failed for user functions  # 14620
• New  tidb_session_ statement_lock_keys_count monitoring items for monitoring pessimistic transaction lock keys number  # 14634
• Json fix for  & < > characters such as output escaping incorrect question  # 14637
• Repair hash-join in the construction of hash-table due to excessive memory usage problems cause the system to panic  # 14642
• Repair SQL bind process illegal recording processing logic does not lead to correct problems of panic  # 14645
• Decimal division calculation and repair MySQL incompatibility problems, Decimal division calculation error detection to increase Truncated  # 14673
• Table authorized to fix a problem that does not exist user to perform a successful  # 14611

TiKV

• Raftstore
  • Due to repair Region merge failure causes the system to Panic  # 6460  or data loss  # 598  issue  # 6481
  • Stability support yield optimization scheduling fairness, support premigration leader scheduling optimization leader  # 6563

PD

• When the system flow changes, the system automatically updates the Region cached information, solve problems cache invalidation  # 2103
• Leader determined using lease time effective time TSO  # 2117

Tools

• TiDB Binlog
  • Drainer log support Relay  # 893
• TiDB Lightning
  • Optimization of configuration items, configuration items part default configuration when not disposed  # 255
  • Fix the problem in a non-server mode mode web interface can not be opened  # 259

TiDB Ansible

• Bug fixes some scenes get less than PD Leader result in failure of the command  # 1121
• TiDB Dashboard new  Deadlock Detect Duration monitoring item  # 1127
• TiDB Dashboard new  Statement Lock Keys Count monitoring item  # 1132
• TiDB Dashboard new  Statement Pessimistic Retry Count monitoring item  # 1133

Release Notes