发布于 2016-04-09 00:53:05 | 77 次阅读 | 评论: 0 | 来源: 网友投递
Crate.IO 大规模数据存储系统
Crate Data 是一个开源的大规模的可伸缩的数据存储系统，无需任何系统管理需求。提供强大的搜索功能。用于存储各种表格数据、非结构化数据和二进制对象。并可通过 SQL 进行检索。易于安装和使用，支持高可用性和实时大规模并行访问和处理。
Crate 0.54.8 发布。主要更新内容如下：
Updated crate/elasticsearch to fix an issue where the `minAvailability`
setting was not read from config file
Fixed an issue that caused `CREATE TABLE` statements to ignore PRIMARY KEY
constraints on nested columns
Fixed an issue that caused queries to get stuck if an invalid regex is used.
Fixed an issue that caused INSERT-FROM-QUERY statements to fail if the
target table contained a generated column as primary key
Fixed an issue that caused delete queries to fail if they contain
a expression on the left side of a comparison, e.g. 2 + 1 > x
Fix: ``path.conf`` setting was ignored when set as command line argument
Fixed error handling of concurrent update/insert and delete
statements on partitioned tables.
Improved the error message of ON DUPLICATE KEY statements that attempt to
update null objects using a subscript notation.
Fixed issue that caused certain operations not showing up at all
in operations_log while other marked as finished even before they actually
finished
Fixed an issue that caused `timestamp_column = <exact_value>` not to match
in DELETE queries
Added support for set to array and array to set conversions
Improved the error message of insert into target/source column sizemiss-match
Create Table statements now validate that the PRIMARY KEY constraint doesn't
contain columns with unsupported data types
Fixed an issue that could cause INSERT INTO with an INNER JOIN in the
sub-query to fail.
Avoid running KeepAliveTimers every ms if ``jobs.keep_alive_timeout`` is set
to zero
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