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我很高兴的宣布 spider 存储引擎 3.1 beta 版本和垂直分区存储引擎 1.0 beta 版本发布了。
spider 是数据库拆分的存储引擎:
http://spiderformysql.com/
vertical partitioning 是表垂直分区的存储引擎：
http://launchpad.net/vpformysql
可通过下面地址下载：
http://spiderformysql.com/download_spider.html
改动记录包括：
spider
- add server parameter spider_general_log and spider_log_result_errors.
- add table parameter force_bulk_update and force_bulk_delete.
- add spider_bka_mode=2 and bka_mode=2.
- add mysql.spider_xa_failed_log table.
- performance improvement for count, max, min and sum without join and distinct.
- performance improvement for fulltext search.
- add case of parallel searching.
note: semi_split_read=2 is default value from this version. if you want to use previous version's setting, please set semi_split_read=0.
vertical partitioning
  this release is bug fix release.
mysql
becomes version 5.5.34.
- add log_result_errors.
please see 99_change_logs.txt in the download documents for checking other changes.
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