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TokuMX 1.5.1-rc.0

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@leifwalsh leifwalsh released this 04 Sep 19:37
· 161 commits to master since this release
tokumx-1.5.1-rc.0
1e4644a

General

  • This release is focused on bug fixes since 1.5.0.

Bug fixes

  • In versions of TokuMX 1.4.0 through 1.5.0, compound keys with integer values of absolute value larger than 2^52 in all but the last component of the key were ordered incorrectly. This release fixes that ordering.

    This error only affected compound keys, so hashed keys are unaffected.

    The result of the error is that if there is user data of that size in any but the last field of a key, the key will be ordered incorrectly with respect to other keys in the index. This can cause queries to return improper results if they do range queries on that index.

    If the affected index is the primary key of a collection, then before upgrading to 1.5.1, you must dump the affected collection, drop it, and restore it after upgrading to 1.5.1. If the affected index is a secondary key, it can simply be dropped and rebuilt after upgrading to 1.5.1. (MX-1140)

  • Lengthened the socket timeout used by secondaries when replicating large transactions. Accumulation of garbage due to aborted transactions can cause these queries to take a long time, and with a short socket timeout, secondaries could get stuck. This socket timeout is configurable with the server parameter soTimeoutForReplLargeTxn, which defaults to 10 minutes. (MX-1207)

  • Fixed an issue where if the system ran out of disk space during application of a transaction on a secondary, it could cause that transaction to be skipped rather than causing the system to report the error. In this scenario, the secondary now reports the problem and crashes. (MX-1235)

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