[MySQL][Spider]Spider-2.7 released

I'm pleased to announce the release of Spider storage engine version 2.7(beta).
Spider is a Storage Engine for database sharding.

The main changes in this version are following.
- Spider table can load balance using multiple links at searching without locking. Load balance rule is "((server_id + thread_id) % number_of_links)".
  Please write multiple connection informations splitting space characters at "host", "user", "table", "server", "socket", "wrapper", "database" and "password" table parameters.
  Example: "host 'h1 h2 h3'"

I will continue to develop Spider's functions for Active-Active type clustering.

Please see "99_change_logs.txt" in the download documents for checking other changes.


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