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Update BP NetworkGraph and Scorer persist frequency - #2226
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| last_prune_call = $get_timer(NETWORK_PRUNE_TIMER); | ||
| } | ||
| if $timer_elapsed(&mut last_scorer_persist_call, SCORER_PERSIST_TIMER) { |
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Wondering is it still necessary to keep this regular 30s persist if we're persisting on every update to the scorer?
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I'm not too familiar with the scorer, but I don't think it does anything in the background to warrant persisting on a timer, as it mostly relies on datapoints received from events (cc @TheBlueMatt).
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It doesn't, indeed, though I also don't think there's any harm in persisting it once an hour with the graph, so would prefer to just leave it.
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The timer for the scorer was set to persist every 30s, so I just changed it to an hour to be similar with the graph.
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| // continuing our normal cadence. | ||
| let prune_timer = if have_pruned { NETWORK_PRUNE_TIMER } else { FIRST_NETWORK_PRUNE_TIMER }; | ||
| if $timer_elapsed(&mut last_prune_call, prune_timer) { | ||
| if !have_pruned || $timer_elapsed(&mut last_prune_call, NETWORK_PRUNE_TIMER) { |
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I'm not sure if we want to prune immediately when syncing via P2P. Previously, we'd wait 60 seconds, which gave us some time to sync with peers any updates that happened while offline. If we happened to be offline for a while, we may end up pruning a large portion of our graph before we sync with any peers, just to add them back once syncing completes. Maybe we should also expose a notion of "initial sync" when syncing via P2P that checks whether we've done a sufficient amount of syncs?
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Yea, indeed, probably we should not.
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I couldn't find a great way to expose when an "initial sync" would be considered over for P2P, since IIUC we basically do an "unofficial" sync of just getting either a full dump (no-std) or latest 2 weeks (std) through the gossip timestamp filter for our first 5 peers we connect to? For now I just left the 60s initial prune timer for P2P but allowed pruning before this once RGS initial sync has completed.
| last_prune_call = $get_timer(NETWORK_PRUNE_TIMER); | ||
| } | ||
| if $timer_elapsed(&mut last_scorer_persist_call, SCORER_PERSIST_TIMER) { |
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I'm not too familiar with the scorer, but I don't think it does anything in the background to warrant persisting on a timer, as it mostly relies on datapoints received from events (cc @TheBlueMatt).
Previously we would wait 60 seconds after startup, however for RGS we prune/persist after its initial sync since 60 seconds is likely too long.
Now that we persist the scorer upon events, we extend timer persistence from 30 seconds to 1 hour, similar to network graph persistence.
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Closes#2117.
For
NetworkGraph, we normally wait an initial 60 seconds for an initial prune, but since that's likely too long for RGS, we allow pruning before the 60s timer when the RGS initial sync completes. For P2P it still waits the 60s, otherwise both prune/persist hourly as it currently does.For
Scorer, instead of persisting every 30 seconds, this persists each time the scorer is updated from an event, and once every hour similar to the network graph.