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When a node restarts or a peering between two nodes starts over for other reasons, the internal tracking in the Broker manager resets its state (since it's per-peering), and thus the message overflow counter. The script layer was unaware of this, and threw errors when trying to reset the corresponding counter metric down to zero at sync time. We now track past buffer overflows via a separate epoch table, using Broker peer ID comparisons to identify new peerings, and set the counter to the sum of past and current overflows. I considered just making this a gauge, but it seems more helpful to be able to look at a counter to see whether any messages have ever been dropped over the lifetime of the node process. As an aside, this now also avoids repeatedly creating the labels vector, re-using the same one for each metric. Thanks to @pbcullen for identifying this one! |
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| files | ||
| frameworks | ||
| misc | ||
| packet-protocols | ||
| protocols | ||
| utils | ||
| init-bare.zeek | ||
| init-default.zeek | ||
| init-frameworks-and-bifs.zeek | ||
| init-supervisor.zeek | ||