Recovery Times – Part Deux

Published on 13 January 2010 by dave in TokuView

In a follow-up experiment to an earlier post on TokuDB recovery times, I tried to create a better apples-to-apples comparison to InnoDB recovery time. If I measure recovery times when both DBs are doing the same amount of work, TokuDB requires only 2s to recover from a crash, compared to 1020s for InnoDB.

Background

In the [...]

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High Insertion Rates into a TokuDB Table with Durable Transactions

Published on 05 January 2010 by Rich Prohaska in TokuView

We recently made transactions in TokuDB 3.0 durable. We write table changes into a log file so that in the event of a crash, the table changes up to the last checkpoint can be replayed. Durability requires the log file to be fsync’ed when a transaction is committed. Unfortunately, fsync’s are not [...]

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