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updated CHANGELOG

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Jan Steemann 2016-01-26 09:22:24 +01:00
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@ -436,6 +436,13 @@ v2.8.0-alpha1 (2015-12-03)
v2.7.5 (2016-01-22)
-------------------
* backported added automatic deadlock detection for transactions
In case a deadlock is detected, a multi-collection operation may be rolled back
automatically and fail with error 29 (`deadlock detected`). Client code for
operations containing more than one collection should be aware of this potential
error and handle it accordingly, either by giving up or retrying the transaction.
* improved internal datafile statistics for compaction and compaction triggering
conditions, preventing excessive growth of collection datafiles under some
workloads. This should also fix issue #1596.