Category Archives: DTrace

The Backchannel: Dell Storage Forum, File System Latency, Illumos, Velocity and Node News

As you might have noted from our events listings, it’s been a busy couple of weeks for team Joyent. Ed Saipetch was in Florida representing Joyent at the Dell Storage Forum, where he sat down with John McArthur and Cali Lewis for a Silicon Angle TV segment. For more of his thoughts on the conference, [...]

Events: Open Solaris, Velocity Conference and Office Hours

The San Francisco Open Solaris User Group is meeting up in sunny Menlo Park for a discussion of Illumos tomorrow, Wednesday, June 15th. Garrett D’Amore will offer an update on the project, follwed by a panel with D’Amore, our own Bryan Cantrill and Adam Leventhal. Whether or not you can make it, if you’re looking [...]

The Backchannel: Node-Powered Foosball, File System Latency and Building the Cloud

When not busy updating Node.js to version 0.4.8, Ryan Dahl loves that Hamburg-based agency Sinner Schrader modified their office foosball table to keep track of games, post scores to Twitter and track “league” results over time — and powered the system with Node.js. Jealous? We are. But it’s all open source so that you can [...]

Events: Joyeurs in New York, Vancouver, San Francisco and London

At 10:15 a.m. EDT (1:15 p.m. GMT) on Thursday, May 26th, Brendan Gregg will be in New York City for the Percona Live MySQL Conference to illustrate how to use DTrace to analyze the performance of MySQL and InnoDB — with particular attention paid to filesystem operation latency — in “Breaking Down Query Latency With [...]

New Relic Standard now Free for Joyent Customers

So a few months ago I walked over to South Park to meet An Le, New Relic’s business development superstar. Over scones at Town’s End, we talked about the challenges facing application developers — specifically the lack of good introspection tools to illustrate for developers what is broken and why — and what we could [...]

How to Use vmstat for Performance Analysis

Deirdre and Brendan took the time to put together some video guides to using vmstat to monitor systems for performance analysis. Brendan explains key fields in the video above, but also covers all the data output and how to scope for inquiries in multi-tenant environments. The examples should come in handy for anyone working with [...]

How to Use Analytics to Quickly Spot Garbage Collection Latency with Node.js

Over on his blog, Dave Pacheco sets up a test case that uses the analytics visualization tools baked into our Node.js Cloud Services to diagnose the source of a latency-inducing garbage collection problem: A few weeks ago I posted about Cloud Analytics on no.de. I described the various metrics we included in the initial launch [...]

Use No.de, Win Early Copy of Brendan Gregg’s DTrace Bible

If you just can’t wait to get your hands on Brendan Gregg and Jim Mauro’s “DTrace: Dynamic Tracing in Oracle Solaris, Mac OS X and FreeBSD” and you’re hacking away at Joyent’s Node.js Cloud Services, then have we got an opportunity for you! Show and tell us how you’re using the new analytics and visualization [...]

Last Week’s Node.js Community Event Show

Download in 1080p, 720p or 360p Yes, it’s already in part on Ustream, and we’ve been putting rough cut raw footage online as soon as able so that folks didn’t miss much, but I finally got around to putting together the lean-back version of our Node.js Community Event from last week for your viewing pleasure. [...]

Welcome to Cloud Analytics

By Dave Pacheco We’ve been talking for several weeks now about our work on Cloud Analytics. Today, we’re showing the world what we’ve put together. Now available on Joyent’s Node.js Service: a first look at Cloud Analytics in action — on your very own Node.js application. Cloud Analytics (CA for short) is a tool for [...]

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