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10 Newer Entries Showing entries 31 to 40 of 159 10 Older Entries

Displaying posts with tag: monitoring (reset)

Announcing the MySQL Plugin for New Relic
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Many application developers would know of New Relic. A SaaS performance and monitoring tool targeted towards your web application monitoring including PHP, Ruby, Java, .Net, Python and Node.

With the release today (June 19, 2013) of the New Relic Platform, custom monitoring of data stores including MySQL are now possible. Try it now free. This link will provide you a free standard account (no cost, no billing details necessary), that enables you to perform application …

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What do you want to know about Glimpsee?
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We have had some success with the introduction of Glimpsee last month. Merci !
I would like to thanks all of you who have registered and those who are interested in Glimpsee without even really knowing what’s going on.
It is really important for us to feel enthusiasm about our work, because we work hard to provide a tool that could improve your life.

We hope to offer a public beta release of Glimpsee before the end of the year and many more surprises before. Meanwhile, …

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mycheckpoint revision 231 released
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A new release for mycheckpoint: lightweight, SQL oriented MySQL monitoring solution.

If you're unfamiliar with mycheckpoint, well, the one minute sales pitch is: it's a free and open source monitoring tool for MySQL, which is extremely easy to install and execute, and which includes custom queries, …

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On the threshold
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When you setup a monitoring system for SQL Server, you often use thresholds to determine when an instance is healthy. You might say that you want to be alerted when CPU use is over 90% or when there’s only 10% of disk space left. The trouble with these thresholds is that they will often throw off false positives, or send you an alert when really nothing is wrong. Simple thresholds often have to be tuned to the individual instance, since a server with 10 TB still has 1 TB of space left at 90% disk use.

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Adaptive Fault Detection food fight
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I was a guest on the Food Fight Show last week, along with a bevy of really smart people asking and answering tough questions on fault detection. We didn’t talk a lot about MySQL, but given that VividCortex is focusing on MySQL initially, pretty much all of my experience with zero-threshold, zero-configuration fault detection is MySQL-based.

It’s a fun conversation with a lot of insights into the industry, what’s wrong with current monitoring tools, and where monitoring is going. Also, it’s …

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MySQL Cluster: Troubleshooting Error 157 / 4009 Cluster Failure
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Suddenly your application starts throwing "error 157" and performance degrades or is non-existing. It is easy to panic then and try all sorts of actions to get past the problem. We have seen several users doing:

  • rolling restart
  • stop cluster / start cluster

because they also see this in the error logs:

120828 13:15:11 [Warning] NDB: Could not acquire global schema lock (4009)Cluster Failure

That is not a really a nice error message. To begin with, it is a WARNING when something is obviously wrong. IMHO, it should be CRITICAL. Secondly, the message ‘Cluster …

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Manage your MySQL & MariaDB databases - the simple way
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New quick-start guide for MySQL DBAs: SkySQL™ Enterprise Monitor makes managing your MySQL & MariaDB databases that much easier

We’ve just published a new Quick Start Guide to SkySQL™ Enterprise Monitor for all MySQL & MariaDB DBAs out there, who are looking for ways to manage their databases more easily.

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Devops in Munich
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Devopsdays Mountainview sold out in a short 3 hours .. but there's other events that will breath devops this summer.
DrupalCon in Munich will be one of them ..

Some of you might have noticed that I`m cochairing the devops track for DrupalCon Munich,
The CFP is open till the 11th of this month and we are still actively looking for speakers.

We're trying to bridge the gap between drupal developers and the people that put their code to production, at scale.
But also enhancing the knowledge of infrastructure components Drupal developers depend on.

We're looking for talks both on culture (both success stories and failure) , automation, …

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how to determine the runtime and start time of a Linux process
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Yesterday, I needed to determine the runtime of a Linux process for a monitoring script.

Cos the format for start_time of the ps command may change if the process was not started in the same year, I decided to take the neccessary informations from the /proc/<PID>/stat file.

In this file the process start time since boot is defined at the twenty-second field, expressed in Jiffies – the scale unit of the system timer. (One Jiffie is one tick of the system timer).

To convert Jiffies to seconds I just have to …

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Percona Monitoring Plugins fix: Query Response Time
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After switching from the Better Cacti Templates to the Percona Monitoring Plugins we suffered from the Query Response Time and the Query Time Histogram not graphing at all.

It took me a while to figure out why our new instance wasn’t graphing: the response time query was performing and the script was picking up its values. Also the rrd files were created but for some bizarre reason all values were set to “NaN”, in rrd/cacti terms: Not a …

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10 Newer Entries Showing entries 31 to 40 of 159 10 Older Entries

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