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2
votes
2answers
63 views

Percona 5.7 tokudb poor query performance - wrong (non-clustered) index chosen

I have a table with about 8.5m rows in it. The table is tokudb and it has the indexes described below. I'm experiencing dismal performance when trying to run update statements like the following: ...
1
vote
1answer
27 views

Does TokuDB need any regular cleanup/maintenance?

PostgreSQL has vacuum and InnoDB has purge. Does TokuDB have any required maintenance/cleanup operations? I couldn't find anything in the online docs: ...
0
votes
0answers
19 views

MySQL TokuDB not using Index correctly by itself

the main table on my Database looks like this: CREATE TABLE IF NOT EXISTS `data_min` ( `pid` mediumint(8) unsigned NOT NULL, `action` char(65) COLLATE ascii_bin NOT NULL DEFAULT '', ...
2
votes
2answers
95 views

How to make TokuDB engine on Percona delete faster

I've done some reading on the percona website, most notably MySQL Partitioning: A Flow Chart where they recommend TokuDB as a solution to faster(er) deletes over innoDB rather than partitioning. I've ...
2
votes
0answers
65 views

TokuDB vs InnoDB Database data size

I have two percona servers, one running with TokuDB tables and the other with InnoDB tables. On each server, i have create a single database, with a single table in it containing 10 millions records ...
0
votes
0answers
39 views

Why dropping TokuDB partition so slow

I have defined a simple time series table partitioned by UNIX timestamp (into 32 days). I then loaded ~17K entries, which were distributed among 8 partitions. There were at most 2880 rows in any ...
0
votes
0answers
46 views

Fresh install of TokuDB using MariaDB

After a recent server crash, I am unable to restart the mysql server daemon with the following errors: 2016-01-07 12:02:52 3263 [ERROR] Can't open shared library '/usr/lib/mysql/plugin/ha_tokudb.so' ...
2
votes
1answer
32 views

Which Table Will Get Locked With This Query

INSERT INTO stats.cps (time_stamp,entries,cust_id) select start_time, count(*) , c_id from gb.str where start_time between '$DATE10' and '$DATE' group by start_time, src_id order by start_time ASC ...
0
votes
2answers
106 views

Tokudb HotBackup

I was trying to evaluate the latest tokudb Hotbackup for percona's tokudb engine. This install is under debian (Ubuntu 14) I was able to get all the packages installed with out error and get all the ...
0
votes
0answers
69 views

Can't create TokuDB table due to incorrect “no space left on device” error

It doesn't matter how I create the table, as long as the engine is set to TokuDB I get this error. The error is definitely inaccurate as I'm certain there is plenty of free space left on the disk. ...
0
votes
0answers
59 views

Restore a TokuDB table from main and key files only. (Status file missing)

I have a TokuDB table that for some reason has a missing _status.tokudb file. I am not yet sure, whether the file is missing due to a TokuDB crash or not. Question is: Is there a way to recover ...
0
votes
0answers
33 views

handler socket on tokudb engine

I am trying to setup handler socket to work with tokudb engine. Database I am running is percona server and i have got tokudb enabled and the tables all have tokudb engine. I was wondering if anyone ...
0
votes
1answer
72 views

Can anyone explain TokuDBs seemingly large amount of data_free for an append only table?

I have a large table I've been maintaining replicating in parallel in innodb in one slave and tokudb in another. I'm seeing promising results in expected compression ratios but am noticing something ...
0
votes
1answer
290 views

TokuDB + MariaDB 10: should I use a clustered index

I have a large table (200 Columns.. I know, but it wasn't my design) that will grow fast and I will have a lot of useless rows in it, identified by an IP (a varchar 32 column). The table will get ...
0
votes
1answer
773 views

Tokudb storage engine as mysql-cluster storage engine

Can we use tokudb storage engine as mysql-cluster storage engine? If can, how? I search over google and found nothing
0
votes
1answer
257 views

In which situations is TokuDB higher performance? [closed]

I noticed that WordPress runs quite a bit faster when I use XtraDB (MariaDB's InnoDB replacement) instead of TokuDB. This is strange, because TokuDB is advertised as being 20x faster. However, I ...
0
votes
1answer
37 views

Join Operation using index defined?

I need to optimize some queries with several joins. I plan to create some indexes for these queries. I am currently using MariaDB with TokuDB storage engine. Should I expect the indexes for the join ...
1
vote
1answer
216 views

How do I create fractal index using tokudb engine?

I install MariaDb and configured it to use TokuDb Engine. I need to use Fractal-Index Built-in on TokuDb Engine. I have create my index as follow: ALTER TABLE `table__name` ADD INDEX ( `column` ); ...
0
votes
1answer
283 views

Install MariaDB 10 Generic Binaries + TokuDB

I used to install MariaDB from Generic Binaries on a Debian Wheezy 64bits: mariadb-10.0.13-linux-x86_64.tar.gz (from downloads.mariadb.org) I would like to use TokuDB as Storage Engine. However, ...
0
votes
1answer
196 views

How to install TokuDB on MAMP

I'm by no means a DB admin. Just a hobbyist actually, and more of a programmer than a database person. I have MAMP 3.05, PHP 5.5.10, Mac OSX 10.9.3. I have a big suite of PHP applications and a ...
1
vote
2answers
311 views

Any way to force “garbage collection” in TokuDB?

Playing around with TokuDB I'm finding even after "optimize table" for things such as changing row compression or other DDLs it takes a non deterministic amount of time for freed space to be reflected ...
0
votes
0answers
834 views

TokuDB fails to load in MariaDB, even when transparent hugepages are disabled

Earlier, I upgraded my website server to Ubuntu 14.04 LTS. I had a very nice setup with MariaDB and the TokuDB engine. However, the setup was kind of messed up when TokuDB refused to load properly, ...
0
votes
1answer
120 views

Is there a table size above which SELECT performance degrades significantly?

In MySQL, does SELECT performance degrade significantly after a certain table size? I have a table with about 107 million rows and some queries seem stuck in "Sending data" for a long time. Of course, ...
1
vote
2answers
775 views

How can I repair a TokuDB table?

I have a TokuDB table that works fine for most queries, but segfaults on others. I did a CHECK TABLE which indicated that the table had errors. However, TokuDB doesn't support REPAIR TABLE. How can I ...
3
votes
2answers
92 views

Why does TokuDB say to remove innodb_buffer_pool_%?

The TokuDB quick start guide says "After converting your tables to TokuDB, you should comment out the global options related to memory caches (ie: innodb_buffer_pool%)." If TokuDB supports both ...
1
vote
0answers
367 views

Missing rows in MyISAM tables with 10-20 billion records

I've got 2 tables with 10-20 billion records each. Currently these are in MyISAM (MySQL). They only require to be built and indexed once, after this only SELECT is used. They are currently ...
1
vote
2answers
1k views

InnoDB + TokuDB fills up RAM then start swapping

I'm trying to face difficulties with my database lately. I've migrated from MyISAM to TokuDB v7.0.4 and InnoDB. I'm using MariaDB - 5.5.34-MariaDB-1~wheezy-log. My problem is that MariaDB fills up RAM ...
5
votes
2answers
1k views

TokuDB optimize table does not reclaim disk space

Was running an optimize table command against one of my tables about 11Gig in size, surprisingly used disk space grew by 2Gig immediately after optimization process finished. I would expect the ...
2
votes
1answer
737 views

TokuDB database size unknown in phpmyadmin

In mysql server, I installed the TokuDB storage engine. I converted database engine InnoDB to TokuDB, but my table sizes show unknown in phpmyadmin.
3
votes
1answer
1k views

How to convert innodb engine tables to tokudb engine

Hi I want to migarate my server newly installed tokudb engine. i want to convert each table of database from innodb to tokudb. How can I do that using sed command ?
1
vote
2answers
216 views

TokuDB/InnoDB Question

What's the faster scheme for insert data to TokuDB or InnoDB Engine? Over 200 Insert per second. That's okay to answer of one engine. TABLE: `game` `gameId` bigint 20 (PK) `gameMapId` int 4 ...
5
votes
5answers
10k views

TokuDB not much faster than MySQL

I have converted a MySQL database with 80.000.000 rows to TokuDB. Now when I run: select count(id) from xxx where active=1 it takes 90% of the time of the normal MySQL request. What do I have to ...