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Percona is glad to announce the release of Percona Server 5.1.71-14.9 on August 27th, 2013 (Downloads are available from Percona Server 5.1.71-14.9 downloads and from the Percona Software Repositories).
Based on MySQL 5.1.71, this release will include all the bug fixes in it. All of Percona‘s software is open-source and free, all the details of the release can be found in the 5.1.71-14.9 milestone at Launchpad.
The buffer pool mutex split patch implemented in Percona Server could cause a race condition, involving a dirty compressed page block for which there is an uncompressed page image in the buffer pool, that could lead to a server crash. Bug fixed #1086680.
The buffer pool mutex split patch implemented in Percona Server could cause server crash with an assertion error on read-write workloads with compressed tables in debug builds. Bug fixed #1103850.
Percona Server used to acquire the buffer pool LRU list mutex in the I/O completion routine for the compressed page flush list flushes where it was not necessary. Bug fixed #1181269.