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Re: Centralized logging for multiple servers

Gabriel Ramuglia
April 17, 2009 06:32AM
I've used spread for centralized logging before, it's a horrible
clusterF. If you want details as to why, let me know.

On Thu, Apr 16, 2009 at 9:09 PM, Michael Shadle <mike503@gmail.com> wrote:
> if just looking for some sort of distribution you could put stuff into
> memcached, mysql cluster, look at spread toolkit (spread.org i
> believe) and gearman...
>
> On Thu, Apr 16, 2009 at 8:55 PM, W. Andrew Loe III <andrew@andrewloe.com> wrote:
>> I'm by no means a splunk expert, you should ask them, but I think it
>> scales pretty well. You can use multiple masters to receive and
>> load-balance logs, and you can distribute the searching map/reduce
>> style to leverage more cores. Search speed seems to be much more CPU
>> bound than I/O bound, the logs are pretty efficiently packed. *Works
>> for me* with ~ 15-20 EC2 instances and one central logging server. It
>> also keeps logs in tiered buckets, so things from 30 days ago are
>> available, but slower to search on where as yesterday's logs are
>> 'hotter'.
>>
>> On Thu, Apr 16, 2009 at 8:41 PM, Gabriel Ramuglia <gabe@vtunnel.com> wrote:
>>> Does this scale well? I'm running a web based proxy that generates an
>>> absolute ton of log files. Easily 40gb / week / server, with around 20
>>> servers. I'm looking to be able to store and search up to 7 days of
>>> logs. Currently, I only move logs from the individual servers onto a
>>> central server when I get a complaint, import it into mysql, and
>>> search it. The entire process, even for just one server, takes
>>> forever.
>>>
>>> On Thu, Apr 16, 2009 at 7:37 PM, W. Andrew Loe III <andrew@andrewloe.com> wrote:
>>>> Its commercial, but Splunk is amazing at this. I think you can process
>>>> a few hundred MB/day on the free version. http://splunk.com/
>>>>
>>>> You set up a light-weight forwarder on every node you are interested
>>>> in, and then it slurps the files up and relays them to a central
>>>> splunk installation. It will queue internally if the master goes away.
>>>> Tons of support for sending different files different directions etc.
>>>> We have it setup in the default Puppet payload so every log on every
>>>> server is always centralized and searchable.
>>>>
>>>> On Wed, Apr 15, 2009 at 8:44 AM, Michael Shadle <mike503@gmail.com> wrote:
>>>>> On Wed, Apr 15, 2009 at 7:06 AM, Dave Cheney <dave@cheney.net> wrote:
>>>>>
>>>>>> What about
>>>>>>
>>>>>> cat *.log | sort -k 4
>>>>>
>>>>> or just
>>>>>
>>>>> cat *whatever.log >today.log
>>>>>
>>>>> I assume the processing script can handle out-of-order requests. but I
>>>>> guess that might be an arrogant assumption. :)
>>>>>
>>>>> I do basically the same thing igor does, but would love to simplify it
>>>>> by just having Host: header counts for bytes (sent/received/total
>>>>> amount of bytes used, basically) and how many http requests. Logging
>>>>> just enough of that to a file and parsing it each night seems kinda
>>>>> amateur...
>>>>>
>>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>
>
Subject Author Posted

Centralized logging for multiple servers

Kingsley Foreman April 12, 2009 11:26PM

Re: Centralized logging for multiple servers

Anton Yuzhaninov April 13, 2009 02:47PM

Re: Centralized logging for multiple servers

Gena Makhomed April 13, 2009 03:31PM

Re: Centralized logging for multiple servers

Igor Sysoev April 15, 2009 09:12AM

Re: Centralized logging for multiple servers

Glen Lumanau April 15, 2009 09:23AM

Re: Centralized logging for multiple servers

Dave Cheney April 15, 2009 09:32AM

Re: Centralized logging for multiple servers

Kingsley Foreman April 15, 2009 09:35AM

Re: Centralized logging for multiple servers

Glen Lumanau April 15, 2009 09:36AM

Re: Centralized logging for multiple servers

Dave Cheney April 15, 2009 10:06AM

Re: Centralized logging for multiple servers

mike April 15, 2009 11:44AM

Re: Centralized logging for multiple servers

W. Andrew Loe III April 16, 2009 10:37PM

Re: Centralized logging for multiple servers

Gabriel Ramuglia April 16, 2009 11:41PM

Re: Centralized logging for multiple servers

W. Andrew Loe III April 16, 2009 11:55PM

Re: Centralized logging for multiple servers

mike April 17, 2009 12:09AM

Re: Centralized logging for multiple servers

Gabriel Ramuglia April 17, 2009 06:32AM

Re: Centralized logging for multiple servers

mike April 17, 2009 11:43AM

Re: Centralized logging for multiple servers

Gabriel Ramuglia April 17, 2009 01:36PM

Re: Centralized logging for multiple servers

Gabriel Ramuglia April 17, 2009 08:07PM

Re: Centralized logging for multiple servers

Kon Wilms April 17, 2009 09:03PM

Re: Centralized logging for multiple servers

Gabriel Ramuglia April 18, 2009 05:22AM

Re: Centralized logging for multiple servers

Kon Wilms April 18, 2009 12:16PM

Re: Centralized logging for multiple servers

Gabriel Ramuglia April 18, 2009 03:03PM

Re: Centralized logging for multiple servers

Kon Wilms April 15, 2009 11:40AM

Re: Centralized logging for multiple servers

Gabriel Ramuglia April 17, 2009 01:53PM



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