May 26, 2012

Post: Finding your MySQL High-Availability solution – Replication

… operations to a high level. Using the slaves for reads cause a second interesting side…MySQL, altering a table means recreating the whole table and it is a blocking operations. Altering a large table … The architecture of a highly available setup using MMM and Master-Master replication is presented …

Post: Estimating Undo Space needed for LVM Snapshot

using LVM are pretty cool (check out mylvmbackup) or MMM though it is quite …ALTER TABLE or OPTIMIZE TABLE will cause table rebuild and use a lot of space. Batch jobs such as recounting rating summary tables…and you would like to setup replication for large database with little no – connect USB hard…

Post: When should you store serialized objects in the database?

… full blob for 1 change, it is expensive. Another potential pro for this technique is that ALTER TABLE commands are …. Projects like MMM and Flipper make this even easier. In Friendfeed’s case, they also used the serialization … to one piece of data in a very large blob, the effort MySQL has to go to …

Post: Onsite and Remote - getting best of both worlds

use drawing board. It also often allows the best focus both for consultant and for… Monitoring, High Availability with MMM or DRBD are …ALTER TABLE, load testing – all of these things take time and make consultant to wait for… optimizations but architecture redesigns, large scale deployment, migrations…