CSP Cluster cache

There are 11 replies in this Thread which was already clicked 5,669 times. The last Post () by ppmc.

  • How can you tell a good peer from a bad one?


    I have setup a CSP clustered cache with 5 peers and the below are stats for 45mins.


    avg-received-bytes/s: 45
    avg-sent-bytes/s: 1758
    cache-peers: 5
    cached-ecms: 85
    instant-hits: 1554
    pending-ecms: 0 (peak: 12)
    received-cached: 4401
    received-discarded: 1670
    received-pending: 3112
    received-resendreqs: 249
    remote-hits: 213
    sent-cached: 18546
    sent-pending: 18085
    sent-resendreqs: 14
    sent-resends: 0
    timeouts: 278
    tracker-failures: 0
    wait-hits: 13893


    do they look reasonable?


    or am I or is someone taking advantage?

  • Also before using clustered cache (default cache) - I was sitting at 55% cache hits aswell. The whole purpose of clustred cache was to get more cache hits (currently sitting at 50%). I seem to have made things worse?

  • when you click on Cache-Handler: com.bowman.cardserv.ClusteredCache in your CSP "status" page you should a very detailed breakdown of ecms received and sent to what peers IP address etc - its great to see whats going and coming from where :)



    I also find my cache hit % does vary from time to time, and it depends if your cache peers have ecms for the profile you want at that particular time of day, as i find early morning to later afternoon a certain profile i use drops in the number of remote hits as there are clearly not that many people watching their TVs, but as the evening and night moves on, the cache hit rate increases very fast as there are more viewers, and therefore more ecms cached :)

  • log events - WARNING: ClusteredCache - Bad DCW (>5 zeroes), dropping from ip addresses which are not in my peer list. What's this all about?

  • I get that sometimes as well - dont forget that the cache url's you have been given will usually be a forwarder URL such as noip or dyndns etc - once received by the cache they are converted to the the proper IP address of cache sender...what you need to do is establish what cache peer has that IP address thats giving the errors and then, if you find it a problem, ask them nicely to remove your cache url form theirs :)

  • Ive got 11 ECM failures. WHat is the logical step in troubleshooting this issue?


    Could it be that peers are demanding ecm that does not exist on my card(s) - like adult channels?


    I have full sly UK HD + All Asian channels + ESPN. No MUTV or porn.


    cannot-decode-services, will I need to specify this?

  • HI Cyberhack,


    over what period of time did you get the 11 ecm failures? - because it generally does not have any impact on your server or card...how many csp connectors do you have? as one of these could be playing up as well and generating ecm failures - by the sounds of it your server is wrking fine, it just maybe someone your connected to is not setup correctly.


    I forgot to tell you earlier that you can enable cache debug mode by going to CSP>admin>ClusteredCache commands (near the bottom)>Toggle debug>click ok - if debug is of then clicking OK will switch it on, and it its on, clicking OK will switch it of :) you will now get a very detailed breakdown of your cache operation.

  • as it was over 3 days i personally would not be bothered about such a small amount of failed ECMs as it is such a small amount i would not waste to much time on it, and it is probably down to short disconnects that you dont notice, but which are just enough to trigger a failed ecm.


    If you want to exchange connectors just PM me, as having a csp connector will increase your server capacity massively...its like adding another sever to your setup with just one simple connection!


    CM

  • Mi Gentlemen,
    Is there a need to open a specific port for csp connector or it uses 8082? I have two csp that need to be connected. Both are on the same local network.
    Thank you for your replies

  • You don't open a port on your pc for a local connector, either to share to csp or to recieve a connector, if it's a remote connector then the port will be open on that server
    And NEVER open port 8082, you will leave yourself open to abuse

  • Mi Gentlemen,
    Is there a need to open a specific port for csp connector or it uses 8082? I have two csp that need to be connected. Both are on the same local network.
    Thank you for your replies


    is it posible to exchange cws connectors if the csp are on a different ports sorry for the newbi question lol

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