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From Mark Thomas <>
Subject Re: Storing Tomcat Sessions to MySQL (and Memcached) Round-Robin without sticky sessions
Date Thu, 17 Dec 2009 21:25:25 GMT
On 17/12/2009 20:24, wrote:
>> Hi Mark, Thanks for the reply.
>> In your opinion should we be using local memory to store any session
>> data? The discussion right now is to store everything to cache+db and
>> nothing in local memory.
> The problem with any cache system is cache coherency. Tomcat takes the
> easy way out by requiring that sessions be "sticky" to a single box, and
> using local access management. Sticky session have well known scalability
> issues.

1. Please take this to the users list.

2. You are making some strong statements here regarding the current
implementation with little in the way of hard data to back up those
statements. You might want to consider including some justification in
future postings.


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