Database Archives - Experiencing Technology https://blog.tinned-software.net/category/database/ Tinned-Software Blog Fri, 12 May 2017 14:28:05 +0000 en-US hourly 1 https://wordpress.org/?v=6.5.3 Dimension rrdtool databases with years worth of values https://blog.tinned-software.net/dimension-rrdtool-databases-with-years-worth-of-values/ Mon, 27 Jun 2016 08:41:19 +0000 https://blog.tinned-software.net/?p=2195 To create an rrd datbase file needs a certain amount of understanding of what you monitor, and for how long the data needs to be kept, and of course, storage space is also a consideration when creating a new rrd … Continue reading →

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]]> MySQL Could not find first log file name https://blog.tinned-software.net/mysql-could-not-find-first-log-file-name/ Mon, 03 Aug 2015 17:26:34 +0000 http://blog.tinned-software.net/?p=1485 When MySQL shows the error "Could not find first log file name in binary log index file" it means that mysql is looking for a bin-log file that is not shown in the bin-log index file. This does not necessary mean the replication is completely broken. Continue reading →

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]]> Restore MySQL replication after error https://blog.tinned-software.net/restore-mysql-replication-after-error/ Mon, 08 Jun 2015 19:08:47 +0000 http://blog.tinned-software.net/?p=1457 When you have a replication error that does not allow you to fix it as described in Fix MySQL replication error you need to repair it by restoring the replication completely. Continue reading →

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]]> Fix MySQL replication error https://blog.tinned-software.net/fix-mysql-replication-error/ Mon, 30 Mar 2015 16:35:16 +0000 http://blog.tinned-software.net/?p=1155 When you setup replication you need to make sure that no other data is available in the slave that can cause the data to be inconsistent. But if you run into problems like I had, you might notice that the … Continue reading →

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]]> Setup mysql master slave replication https://blog.tinned-software.net/setup-mysql-master-slave-replication/ Mon, 02 Mar 2015 11:59:23 +0000 http://blog.tinned-software.net/?p=1151 MySQL server provides replication functionality to replicate data from a master server to multiple slave servers. The concept behind it is that there is one master server that allows read and write access and one or more slave servers that … Continue reading →

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]]> Is MongoDB always faster then MySQL? https://blog.tinned-software.net/is-mongodb-always-faster-then-mysql/ Thu, 28 Feb 2013 09:40:17 +0000 http://blog.tinned-software.net/?p=144 This is another classic question you might have come across, but can this question simply be answered with a YES or NO? Well, I would not write about it if the answer was that easy! Continue reading →

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]]> From what size of data MySQL is not performant any more? https://blog.tinned-software.net/from-what-size-of-data-mysql-is-not-performant-any-more/ Fri, 05 Oct 2012 06:04:06 +0000 http://blog.tinned-software.net/?p=13 Is this the right Question? Somebody asked me this question and I told myself to write about that topic. This questions are always lacking of of context, but there might be a correct answer. Usually you don't reach the performance limit of MySQL very easily. Its the wrong questions you ask...
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