Releases: actiontech/dble
Releases · actiontech/dble
Release 3.22.01.04
Release Notes:
We have released a bug-fixed version 3.22.01.4.
Bug-fixes:
- Some parameters of the JDK like
The java.specification.maintenance.versionis not supported. - MultiNodeSelectHandler may cause dble to hang.
- CPU usage up to 300%
- Some problems about maxPacketSize
- When load data local infile into dble, the used memory will not be recycled
- Optimize some problems about complex query.
- Optimize some heartbeat problems
- Memory leak caused by some complex queries
发行说明：
我们发布了3.22.01.4,这是个基于3.22.01.2的bug修复版本
问题修复:
- 不支持 JDK 的一些参数，例如
The java.specification.maintenance.version - MultiNodeSelectHandler 可能导致dble 卡死
- CPU使用率高达300%问题
- maxPacketSize相关问题。
- 当使用
load data local infile导入dble, 使用过的内存不会被回收 - 复杂查询的一些问题
- 心跳的优化
- 某些复杂查询可能引起的内存泄漏
Release 3.22.07.1
Release Notes:
We have released a bug-fixed version 3.22.07.01.
Bug-fixes:
- Some parameters of the JDK like
The java.specification.maintenance.versionis not supported. - MultiNodeSelectHandler may cause dble to hang.
- CPU usage up to 300%
- Some problems about maxPacketSize
- When load data local infile into dble, the used memory will not be recycled
- Optimize some problems about complex query.
- Optimize some heartbeat problems
发行说明：
我们发布了3.22.07.1,这是个基于3.22.07.0的bug修复版本
问题修复:
- 不支持 JDK 的一些参数，例如
The java.specification.maintenance.version - MultiNodeSelectHandler 可能导致dble 卡死
- CPU使用率高达300%问题
- maxPacketSize相关问题。
- 当使用
load data local infile导入dble, 使用过的内存不会被回收 - 复杂查询的一些问题
- 心跳的优化
Release 3.21.02.13
Release Notes:
We have released a bug-fixed version 3.21.02.13.
Bug-fixes:
- Some parameters of the JDK like
The java.specification.maintenance.versionis not supported. - MultiNodeSelectHandler may cause dble to hang.
- CPU usage up to 300%
- Some problems about maxPacketSize
- When load data local infile into dble, the used memory will not be recycled
- Optimize some problems about complex query.
- Optimize some heartbeat problems
- Bugs for INFORMATION_SCHEMA of MySQL8.0
- When RW-split mode, after switch schema, the first
selectwas sent to master - When
wherecondition isbetween andand query with schema name, the explain plan is different from without schema
发行说明：
我们发布了3.21.02.13,这是个基于3.21.02.7的bug修复版本
问题修复:
- 不支持 JDK 的一些参数，例如
The java.specification.maintenance.version - MultiNodeSelectHandler 可能导致dble 卡死
- CPU使用率高达300%问题
- maxPacketSize相关问题。
- 当使用
load data local infile导入dble, 使用过的内存不会被回收 - 复杂查询的一些问题
- 心跳的优化
- dble对8.0版本MySQL的INFORMATION_SCHEMA表处理存在问题
- 切换库后，第一个
select语句发往了主 where条件为between and时， 查询语句带库名和不带库名，执行计划不一致
Release 3.22.07.0
Release Notes:
We have released a new version 3.22.07.0.
Firstly, we must thanks to the following people for their contributions to our community：@holmes1849082248 .
Features:
-
[#3298] Refine the scope of effect of the reload configuration.More Detail,see doc.
-
[#3398] Support for statistics of active front-end connections. More Detail,see doc.
-
[#3399] Show the associate threads of the front-end and back-end connections. More Detail,see doc.
-
[#3397] Provide a way to remove distributed locks. More Detail,see doc.
-
[#3400] Support local read for Read-write separation. More Detail,see doc.
-
[#3403][#3405] Optimize hint for complex query hint. More Detail,seedoc
Bug-fixes:
- [#2919] When
group bycontains the functionsubstring, dble will reportfield not found, thanks to @holmes1849082248 for reporting the bug. - [#2918] Log print error when the number of shardingnode defined in function partition_enum.txt more than what is defined on the shardingTable.
- [#3404]Some heartbeat problems
- Optimize DDL execution failure prompts.
- Some problems when the backend is clickhouse
Breaking backward compatibility:
Nothing
发行说明：
我们发布了新版本 3.22.07.0。
首先，我们必须感谢以下人士对我们社区的贡献：@holmes1849082248 .
特性：
缺陷修复:
- [#2919] 当
group by包含substring函数时，dble会报告field not found，感谢@holmes1849082248 报告此bug。 - [#2918] 当函数 partition_enum.txt 中定义的shardingnode 的数量超过 shardingTable 上定义的数量时，日志打印错误
- [#3404] 一些心跳问题
- 优化DDL执行失败提示语
- 后端为clickhouse时的一些问题
和旧版本的不兼容项：
无
Release 3.21.06.5
Release Notes:
We have released a bug-fixed version 3.21.06.5.
Bug-fixes:
- Off-heap memory leak caused by complex query optimization
发行说明：
我们发布了3.21.06.5,这是个bug修复版本
重要问题修复:
- 复杂查询优化引起的堆外内存泄露
Release 3.22.01.02
Release Notes:
We have released a bug-fixed version 3.22.01.02.
Bug-fixes:
- Off-heap memory leak caused by complex query optimization
发行说明：
我们发布了3.22.01.02,这是个bug修复版本
重要问题修复:
- 复杂查询优化引起的堆外内存泄露
Release 3.21.10.10
Release Notes:
We have released a bug-fixed version 3.21.10.10.
Bug-fixes:
- Off-heap memory leak caused by complex query optimization
发行说明：
我们发布了3.21.10.10,这是个bug修复版本
重要问题修复:
- 复杂查询优化引起的堆外内存泄露
Release 3.22.01.1
3.22.01.1
Release Notes:
We have released a bug-fixed version 3.22.01.0.
Features(alpha):
- Support for OpenSSL
Bug-fixes:
- Some possible heartbeat hang scenarios
- Bugs for INFORMATION_SCHEMA of MySQL8.0
- When RW-split mode, after switch schema, the first
selectwas sent to master - When
wherecondition isbetween andand query with schema name, the explain plan is different from without schema - The transaction may hang for global table when sharding-nodes are a bit too much.
发行说明：
我们发布了3.22.01.1,这是个基于3.22.01.0的bug修复版本
特性(测试版):
- 对OpenSSL的支持
问题修复:
- 一些可能心跳挂起的场景
- dble对8.0版本MySQL的INFORMATION_SCHEMA表处理存在问题
- 切换库后，第一个
select语句发往了主 where条件为between and时， 查询语句带库名和不带库名，执行计划不一致- 节点数众多的情况下，对全局表执行事务，在事务提交时hang住
Release 3.22.01.0
Release Notes:
We have released a new version 3.22.01.0.
Firstly, we must thanks to the following people for their contributions to our community：@TommyZC, @xhailiang, @lenovore, @bjddd192 .
Features:
- [#3230] Support analysis database ClickHouse worked as MySQL.
- [#3231] updated the custom thread name in dble. More Detail,see doc.
- [#2968] Support stickiness for read and write instances. More Detail,see doc.
- [#3229] DDL log optimization. More Detail,see doc.
- [#3232] Support flow control for rwsplit
- [#3233] Optimize the split command
- [#3234] Support hint execute plan for complex query . More Detail,see doc.
Bug-fixes:
- [#3175] Database table returns data error when using smallInt, thanks to @TommyZC for reporting this issue.
- [#3160] When use ` to surround the sharding-key in update statement, dble cannot route keys properly, thanks to @xhailiang for reporting this issue.
- [#3132] Parameter names are correct, thanks to @lenovore for reporting the bug.
- [#3063] When the
wherecondition fragment field is not aliased, the statement routing is incorrect, thanks to @bjddd192 for reporting the bug.
Breaking backward compatibility:
[#3231] thread name
发行说明：
我们发布了新版本 3.22.01.0。
首先，我们必须感谢以下人士对我们社区的贡献：@TommyZC, @xhailiang, @lenovore, @bjddd192.
特性：
- [#3230] 支持分析型数据库ClickHouse以MySQL形式作为后端存储.
- [#3231] 线程和参数名进行统一. 更多详细信息，请参见 doc.
- [#2968] 读写分离中增加连接粘性，防止读脏数据. 更多详细信息，请参见 doc.
- [#3229] DDL日志优化. 更多详细信息，请参见 doc.
- [#3232] 支持读写分离的流量控制
- [#3233] 优化split命令
- [#3234] 支持hint指定查询计划顺序。更多详细信息，请参见 doc.
缺陷修复:
- [#3175] 数据库表字段使用smallInt情况下返回的数据出错，感谢@TommyZC 报告此问题。
- [#3160] update语句中，分片键使用`符号包围，不能正常路由，感谢@xhailiang 报告此问题。
- [#3132] 参数名不够准确问题，感谢@lenovore 报告错误。
- [#3063] where条件分片字段未加别名时，语句路由不正确，感谢@bjddd192 报告bug。
和旧版本的不兼容项：
[#3231] 线程名的变更
Release 3.21.10.3
Release Notes:
We have released a bug-fixed version 3.21.10.3.
Bug-fixes:
- Some heartbeat problems
- Alias of table name problem
- symbol ` problem
- ddl's problem
- The problem of the number of connections in separating-RW mode
- Some complex query problems
发行说明：
我们发布了3.21.10.3,这是个基于3.21.10.1的bug修复版本
问题修复:
- 心跳的一些问题
- 别名的问题
- `符号的问题
- ddl的问题
- 读写分离模式中连接数的问题
- 一些复杂查询的问题