[ANN] Mroonga 6.08 - storage engine, fast fulltext search, CJK ready

Hi,

Mroonga 6.08 has been released!

Mroonga is a MySQL storage engine that supports fast fulltext search
and geolocation search.  It is CJK ready. It uses Groonga as a storage
and fulltext search engine.

Document:
   http://mroonga.org/docs/

How to install: Install Guide
   http://mroonga.org/docs/install.html

How to upgrade: Upgrade Guide
   http://mroonga.org/docs/upgrade.html

Blog:
   http://mroonga.org/en/blog/2016/08/29/mroonga-6.08.html

Changes:
   http://mroonga.org/docs/news.html#release-6.08

There are two topics in this release.

  * Supported MariaDB 10.2.1
  * Limitation about the maximum number record is relaxed

## Supported MariaDB 10.2.1

In this release, MariaDB 10.2.1 which is released 4 Jul, 2016 has been
supported.

As official Mroonga packages are not provided (because MariaDB 10.2.1
is alpha release), please see the following instruction to install it
from source archive.

  http://mroonga.org/docs/install/others.html

## Limitation about the maximum number record is relaxed

A table had the following limitations. This limitation is derived from
Groonga.

  * The maximum one key size: 4KiB
  * The maximum total size of keys: 4GiB
  * The maximum number of records: 268,435,455 (more than 268 million)

In the past, the maximum number of records is announced as 268
million.

With recent research, it turns out that there is a capability to store
more records than ever.

Here is the updated limitation about the maximum number of records:

  * No primary key table: 1,073,741,815 (2^30 - 9)
  * PRIMARY KEY or PRIMARY KEY USING BTREE table: 1,073,741,823 (2^30 - 1)
  * PRIMARY KEY USING HASH table: 536,870,912 (2^29)

Keep in mind that these limitations may vary depending on conditions.

-- 
Kentaro Hayashi <[email protected]>

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