Yearly Archives - 2009

New TokuDB 2.2.0 feature: more query progress information

Last spring, we added a feature that allows the user to see the progress of writes in a statement. Vadim liked it. In 2.2.0, in “show processlist”, we add progress information on reads.

Here is an example of what “show processlist” displays on an update:

Shell

mysql> show processlist G
*************************** 1. row ***************************
Id: 1
User: root
Host: localhost
db: test
Command: […]

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Chicago & Atlanta -last two training locations of the year

A final update on training for this year – registration for InnoDB/XtraDB training in Chicago (8th December) and Atlanta (10th December) are now open.
While in Atlanta I’ll be giving a talk at the Atlanta PHP User Group on Optimizing MySQL Performance (details to be posted to their website shortly).  If you’re in Chicago and […]

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Interviews for InfiniDB and TokuDB are next

I forwarded on a list of questions about PBXT to Paul McCullagh today.  While Paul’s busy answering them, I’d like to announce that Robert Dempsey (InfiniDB storage engine) and Bradley C. Kuszmaul (TokuDB storage engine) have also accepted an interview. If you have any questions about either storage engine, please post them here […]

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Tokyo Tyrant -The Extras Part III : Write Bottleneck

This is part 3 of my Tyrant extra’s, part 1 focused on durability, part 2 focused on the perceived performance wall.
#3.  Tokyo Cabinet Can have only a single writer thread, bottlenecking performance
When writing an application using Tokyo Cabinet only one connection can be opened as a “writer”  while the rest are readers.  Tyrant allows […]

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