Data Driven Monitoring

Daniel Schauenberg

d@etsy.com

@mrtazz

@mrtazz

Item by TheBackPackShoppe

http://www.flickr.com/photos/brianglanz/1095706242

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How comfortable are you deploying a

change right now?

“If this is your first day at Etsy, you deploy the site”

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Ganglia• System level metrics

• Instance per DC/environment

• > 220k RRD files

• Fully configured through Chef role attributes

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Rainbow Graphs!

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StatsD

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Graphite• Application level metrics

• 96G RAM, 20 Cores, 7.3T SSD RAID 10

• 525k metrics/minute

• Mirrored Primary/Primary Setup

• Functionally sharded relays

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nagios

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<3 nagios

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Nagios• 2 instances in each DC/environment

• Fully Chef generated configuration

• Service checks and contacts in git

• Notifications via email->SMS gateway

• ~75% ops on-call

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github.com/lozzd/nagdash

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Much more…• Syslog-ng

• Logstash

• Logster

• Supergrep

• Eventinator

Information Overload

Image by http://jasoncasteel.deviantart.com/

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Alert Fatigue

We have the data

We can make

it better

Item by PicksFromThePast

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nagios-herald

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nagios-herald

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nagios-herald

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Failed Check nagios-herald

Formatter

Helpers

Graphite Ganglia Logstash

Message

github.com/etsy/nagios-herald

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opsweekly

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Opsweekly

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Alert categorization

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Wearables!

Item by JennysTrinketShoppe

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Sleep tracking

github.com/etsy/opsweekly

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Summary• Set of trusted tools for monitoring

• Always experiment

• Always learn

• Always improve

• Use the data, Luke

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Shout out to @lozzd

and @Ryan_Frantz

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codeascraft.com etsy.com/codeascraft/talks

etsy.github.com etsy.com/careers

Questions?

Data Driven Monitoring

Daniel Schauenberg

d@etsy.com

@mrtazz