Charts: Now much faster

By Derek Bullet_white Posted in Features Bullet_white Comments Comments

When investigating server performance, there’s nothing more useful and flexible than a good chart. In fact, on more than 1/2 of all visits to Scout, a chart is viewed.

We know you love charts, so we’ve made them a lot faster. Now when you modify a chart (example: changing the time frame), the chart should refresh in under a second. No more full page loads.

When you want to share your latest masterpiece of chart artwork, click the “Share” link above the chart and copy the provided URL.

Past chart updates:


Server Up Notifications

By Andre Bullet_white Posted in Features Bullet_white Comments Comments

Scout sends you an email or SMS when your server hasn’t checked in for five minutes.

Today we rolled out server back up notifications as well—once a server goes down, Scout will email you (or SMS, if that’s how you roll) when the server checks in again. We send the “back up” notification within 60 seconds of the server checking in.

You don’t need to change anything to get the server up notifications. To turn notifications on or off, just click the Server Settings button on any server page.


So, what do you do?

By Andre Bullet_white Posted in Business Bullet_white Comments Comments

I was back in Michigan a few weeks ago visiting family. These trips always involve a “what do you do?” question at some point. I’m never sure how to answer.

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Scout is Getting a New Load Balancer

By Andre Bullet_white Comments Comments

We are in the process of replacing our hardware load balancer with an HAProxy setup. We plan on making the switch tomorrow evening (Tuesday, 8/24) at 4:30pm PST. We are not expecting any downtime, and you shouldn’t experience any service interruption.

As a result of the switchover, the domain will point to a new IP address.

As always, follow Scout on Twitter for info and updates.


MySQL Tuning Tips with Scout

By Andre Bullet_white Posted in Plugins Bullet_white Comments Comments

If you’ve used Major Hayden’s MySQLTuner before, you know it’s a great source of MySQL optimization tips.

Now you can get MySQLTuner reports automatically delivered through Scout. All you need to do is install the MySQL Stats w/MySQLTuner plugin, or update the plugin if you already have it installed. You will be informed if:

  • the amount of memory you have allocated to MySQL needs adjusting
  • tables are fragmented and need to be optimized
  • query cache sizes, max heap sizes, or buffer pool sizes need adjusting
  • queries are requiring an excessive number of temp tables

Weekly Reports

You’ll get your first report right away after installing the plugin. After that, you’ll automatically get a weekly follow-up report, so your database stays nice and optimized. You can change the frequency of the tuner reports to suit your needs.

Here’s an example report of a MySQLTuner report.

In case you’re wondering—you don’t need to install the MySQLTuner script on your server. All you need to do is select the Scout plugin from the plugin directory.

Real-time Query Activity

In addition to the MySQLTuner reports, you’ll get real-time statistics on MySQL query activity:

Like all Scout metrics, these can be charted and compared, you can get alerts on thresholds and trends, etc!

Where Credit’s Due

A huge thank-you to Major Hayden AKA Racker Hacker for the MySQLTuner Script. Also thanks to Eric Lindvall for creating the original MySQL Statistics plugin.

Get Started!

Sound interesting? Install the MySQL Stats w/MySQLTuner Plugin and start getting MySQLTuner reports automatically.


Monitoring MongoDB

By Derek Bullet_white Posted in Plugins Bullet_white Comments Comments

Updated 3/21/2013The MongoDB Overview plugin discussed below has been split into 2 separate plugins: MongoDB Server Status and MongoDB Database Stats. The server status plugin reports global MongoDB metrics and the database stats plugin reports metrics specific to a particular database.

John Nunemaker of Ordered List knows his way around MongoDB, the high-performance open-source, document-orientated database. We were obviously excited to see that John created a MongoDB Monitoring plugin.

Like all Scout plugins, installing it is a button click away.

Mongo Monitoring Walkthru

John’s MongoDB Monitoring plugin gives both an overview of key Mongo performance metrics and a detailed display when you need to dig deeper.

The overview:

The details:

View a chart of each metric:

Mongo Q&A with John

At Scout HQ, I brought out some hot cocoa, lit a fire, and demanded that John reflect on MongoDB. You wouldn’t know it from his appearance, but John had some rather enlightening things to say.

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