How many persistent sessions can ZXTM handle?If you are using a cookie based persistence method (transparent, or monitor application cookies) then the mapping is recorded in a cookie that is stored on the client. ZXTM doesn't have to store anything at all, and so there is no limit to the number of persistent sessions that can be simultaneously recorded. All of the other persistence methods use least recently used (LRU) caches that are shared automatically between the ZXTM servers in a cluster. The number of bytes required for each entry in these caches is as follows: IP Based Persistence: 32 bytes The maximum size of the caches is determined in the limit by the amount of RAM you wish to reserve for them. For example, a 100,000 entry cache will consume either 3 MB (for IP/Universal caches) or 6 MB (for an SSL Session ID cache). There are no hard limits on the maximum number of entries in the caches. Tuning the session persistence caches You can set the size of the session persistence caches from the Global Settings page. System -> Global Settings -> Cache Settings. By default, all three caches are set to have 2048 entries.
Julian
[Zeus Dev Team] 30 January 2007
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