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help me understand this memory usage
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Josiah Carlson  
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 More options Oct 1 2012, 12:04 pm
From: Josiah Carlson <josiah.carl...@gmail.com>
Date: Mon, 1 Oct 2012 09:03:59 -0700
Local: Mon, Oct 1 2012 12:03 pm
Subject: Re: help me understand this memory usage
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It has everything to do with your max ziplist entries. Below that
number, based on your configuration, Redis will store an encoded
version of your data, whose encoding will depend on the data you are
storing. In your case, because your values can be seen as a decimal
number smaller than a signed long long integer, it will get encoded in
a particular way, which is almost as short as your base-36
representation.

In order for ziplist entry count to take effect, you may need to restart Redis.

Regards,
 - Josiah


 
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Xavier Noria  
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 More options Oct 1 2012, 2:45 pm
From: Xavier Noria <f...@hashref.com>
Date: Mon, 1 Oct 2012 11:45:36 -0700 (PDT)
Local: Mon, Oct 1 2012 2:45 pm
Subject: Re: help me understand this memory usage
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El dilluns 1 d’octubre de 2012 18:04:03 UTC+2, Josiah Carlson va escriure:

It has everything to do with your max ziplist entries. Below that

> number, based on your configuration, Redis will store an encoded
> version of your data, whose encoding will depend on the data you are
> storing. In your case, because your values can be seen as a decimal
> number smaller than a signed long long integer, it will get encoded in
> a particular way, which is almost as short as your base-36
> representation.

> In order for ziplist entry count to take effect, you may need to restart
> Redis.

Ahhh, I see what happened.

I am working with Redis 2.4.0 compiled by hand under ~/redis. I thought
redis-server would pick redis/redis.conf automatically, but I see I need to
pass the file to redis-server explicitly.

With the 1024 configured the figures do match.

Thanks!


 
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