As a follow up to this, when I tried to set the limit for the FEEDBACK algorithm to 0 for testing, I received this error:
invalid limit for FEEDBACK algorithm (must be between 0 and 100) Per the documentation this algorithm should be tracking CPU Load, but the range being 0 to 100 makes me wonder if it is actually reporting a percentage, similar to the load statistics exported by OpenSIPS core [1]. Can anyone using this module clarify what unit the limit for this algorithm is expected to be in? The ambiguity is one of the reasons I had wanted to track the values being obtained for a time before actually engaging limited, which is what prompted my original question. [1] - https://www.opensips.org/Documentation/Interface-CoreStatistics-2-4#toc14 Ben Newlin From: Users <[email protected]> on behalf of Ben Newlin <[email protected]> Reply-To: OpenSIPS users mailling list <[email protected]> Date: Thursday, November 14, 2019 at 3:45 PM To: OpenSIPS users mailling list <[email protected]> Subject: [OpenSIPS-Users] Rate Limit Module Implementation Hello, We are looking to implement some rate limiting using the module, but I have a few questions and wanted to see if anyone has run into the same issues or has working experience with the module to answer them. The module provides $rl_count and also a counter value in the output of the rl_list command, but both of these values only reflect the number of rl_check calls that were made in the time window. In the case of TAILDROP, RED, and SBT algorithms, the count is directly related to the limit and drop_rate. But for the NETWORK and FEEDBACK algorithms, the counter is essentially meaningless. What we are looking for is a way to track the values these modules are using to make drop decisions, so that we can set our limit value appropriately. But unless I am missing something, there is no way to access these values for either NETWORK or FEEDBACK. Is that correct? Ben Newlin
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