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Innodb crash recovery update

 | May 22, 2007 |  Posted In: Insight for DBAs

I have not had a serious Innodb corruptions for a while, typically even if it happened it was some simple table related corruption which was easy to fix on table level. In couple of cases during last year when it was more than that we had backups and binary logs which means it was easier […]

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Magic Innodb Recovery self healing

 | May 22, 2007 |  Posted In: Insight for DBAs

We have certain type of the table corrupting with Innodb, as it is limited to only one particular index on one particular table type it is likely to be Innodb bug but Heikki currently could not find what could be causing it. Happily as we have data stored in many tables of same format rather […]

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MySQL Installation and upgrade scripts.

 | May 21, 2007 |  Posted In: Insight for DBAs

I generally find MySQL Sever sufficiently tested, meaning at least minor version upgrades rarely cause the problems. Of course it is not perfect and I remember number of big issues when some releases could not be used due to behavior changes in them and when something had to be rolled back in the next release. […]

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Planet MySQL AdSense Advertisement

 | May 17, 2007 |  Posted In: Events and Announcements

As you probably know MySQL is Running AdSense Ads on PlanetMySQL.org for last few months. When the project was just started it was Ad free. I’m curious If MySQL Really ask syndicated Blog owners if they would allow that or if they just hope if someone does not like it he would speak up ? […]

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MySQL Storage Engines – PBXT

 | May 14, 2007 |  Posted In: Insight for DBAs

I promised to write little articles about all storage engines which sessions I attended during MySQL Users Conference but I did not get too far yet, too busy. So today it is time for PBXT. I was very interested about session about PBXT because this is storage engine does not target the same general purpose […]

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Merge Tables Gotcha

 | May 9, 2007 |  Posted In: Insight for DBAs

I had the interesting customer case today which made me to do a bit research on the problem. You can create merge table over MyISAM tables which contain primary key and global uniqueness would not be enforced in this case, this is as far as most people will think about it. In fact however it […]

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How to estimate time it takes Innodb to Recover ?

 | May 9, 2007 |  Posted In: Insight for DBAs

Today seems to be Innodb day in our Blog, but well this is the question which pops ups quite frequently in Innodb talks and during consulting engagements. It is well known to get better performance you should normally set innodb_log_file_size large. We however usually recommend caution as it may significantly increase recovery time if Innodb […]

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MySQL Users Conference – Innodb

 | May 9, 2007 |  Posted In: Events and Announcements

It might look like it is too late to write about stuff happened at Users Conference but I’m just starting find bits of time from processing accumulated backlog. The Theme of this Users Conference was surely Storage Engines both looking at number of third party storage engine presented, main marketing message – Storage Engine partnership […]

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Linux failing to boot screen on the plane

 | May 4, 2007 |  Posted In: Insight for DBAs

I’ve seen Windows Blue Screen of Death, stalled boot process or simply application error dialog on many big information screens in shops, airports and other places as well in other systems such as cache machines, airport self checking systems or photo print kiosk. Today coming back from US on NorthWest Airbus A330 we got stalled […]

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Countless storage engines

 | May 3, 2007 |  Posted In: Insight for DBAs

Today everybody writes about MySQL Conference & Expo and I am not an exclusion. I am under impression of count of storage engines were presented. In good old time when Oracle bought InnoDB, MySQL did one step – announced MySQL supports Plugginable Storage Architecture. In that time nobody was able to predict what is the […]

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