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Displaying posts with tag: magento (reset)
Magento Home Page Returns 404 Status Code

Naturally, I ran into this problem in the middle of the night when the client was asleep and I had no access to the Magento administrative interface. The short story is that after running a re-index of the site, the home page began returning a 404 erro...

The MySQL query cache: Worst enemy or best friend?

During the last couple of months I have been involved in an unusually high amount of performance audits for e-commerce applications running with Magento. And although the systems were quite different, they also had one thing in common: the MySQL query cache was very useful. That was counter-intuitive for me as I’ve always expected the query cache to be such a bottleneck that response time is better when the query cache is turned off no matter what. That lead me to run a few experiments to better understand when the query cache can be helpful.

Some context

The query cache is well known for its contentions: a global mutex has to be acquired for any read or write operation, which means that any access is serialized. This was not an issue 15 years ago, but with today’s multi-core servers, such serialization is the best way to kill performance.

However from a performance …

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Severalnines News & Tools: New DevOps Guide Webinar, Load Balancing for MySQL Replay and More..

February 4, 2015 By Severalnines Check Out Our Latest Technical Resources for MySQL, MariaDB & MongoDB Clusters


Like every month, we have created new content and tools for you; here is a summary of what we’ve published. Please do check it out and let us know if you have any comments or feedback.


New Live Technical Webinars


A DevOps Guide to Database Infrastructure Automation for eCommerce

Tuesday, February 17th


Infrastructure automation isn’t easy, but it’s not rocket science either, says Riaan Nolan. Automation is a worthwhile investment for retailers serious about eCommerce, but deciding on which …

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451 CAOS Links 2010.12.17

CPTN Holdings unmasked. Oracle updates MySQL. And more.

Follow 451 CAOS Links live @caostheory on Twitter and, and daily at
“Tracking the open source news wires, so you don’t have to.”

# Florian Mueller reported that the Novell patent acquiring CPTN Holdings is Microsoft, Apple, EMC and Oracle.

# The VAR Guy told the (previously) untold story of Novell’s sale to Attachmate.

# Attachmate committed to support the existing roadmaps and release schedules for Novell and SUSE products.

# Oracle …

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451 CAOS Links 2009.10.27

Red Hat invests in EnterpriseDB. The White House goes open source. And more.

Follow 451 CAOS Links live @caostheory on Twitter and
“Tracking the open source news wires, so you don’t have to.”

For the latest on Oracle’s acquisition of MySQL via Sun, see Everything you always wanted to know about MySQL but were afraid to ask

In other news…

# EnterpriseDB confirmed Red Hat investment, partnership.

# migrated to Drupal, as well as …

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Showing entries 1 to 5