What is the most attractive in TokuDB? For me it is compression, but not just compression: TokuDB provides great performance over compressed data.
In my synthetic tests I saw a compression ratio of 10:1 (TokuDB LZMA to InnoDB uncompressed), in the real production data it is less, 6:1, but still impressive.
In our servers we have 4 x SSD Crucial M500 960GB combined in RAID5, which give 2877.0 GB of usable space. With TokuDB we should be able to pack around 15TB of raw data. Of course we can try InnoDB compression, but the best we can get is 2x compression without sacrificing performance.
And of course TokuDB is transaction, fully ACID-compliant with automatic crash-recovery storage engine.
This all makes TokuDB a very attractive choice for handling terabytes of data (or as it popular to say nowadays “BigData”).
One of first operational questions we have is how to handle backups.
For backups we use LVM partitions and the mylvmbackup tool. Unfortunately Percona XtraBackup is not able to handle TokuDB tables (and probably won’t be able anytime soon). The other choice is to use TokuDB Hot back-up, available by Tokutek Enterprise Subscription. I did not test it myself, so I can’t provide any feedback.
And of course there are things which I do not fully like in TokuDB:
Well, I guess for now, we will take these limitations as TokuDB specific and will deal with them.
Next week we plan on a Beta release of Percona Server with TokuDB, so stay tuned!
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