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statediff: Metrics for latest block #44

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telackey merged 2 commits from statediff-metrics-latestblock into v1.9.24-statediff 2020-11-25 10:29:34 +00:00
Conversation 1 Commits 2 Files Changed 3 +66 -4
roysc commented 2020-11-19 15:20:13 +00:00
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Adds metrics (in statediff/ namespace) for:

  • latest block sync events
  • completed (written) statediffs
  • length of event channel buffers.

To do:

  • last block synced on blockchain - using chain/head/block

Addresses https://github.com/vulcanize/supernode_ops/issues/24.

Adds metrics (in `statediff/` namespace) for: * latest block sync events * completed (written) statediffs * length of event channel buffers. To do: - [x] <strike>last block synced on blockchain</strike> - using `chain/head/block` Addresses https://github.com/vulcanize/supernode_ops/issues/24.
i-norden reviewed 2020-11-24 07:39:24 +00:00
statediff/indexer/metrics.go
i-norden commented 2020-11-24 07:32:04 +00:00
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Yeah I think "statediff" would be more appropriate here

Yeah I think "statediff" would be more appropriate here
statediff/metrics.go
i-norden commented 2020-11-24 07:37:01 +00:00
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Not sure what this would be since the namespace is already "statediff", maybe "service" since the type these metrics are coming from within is the service?

Not sure what this would be since the namespace is already "statediff", maybe "service" since the type these metrics are coming from within is the [service](https://github.com/vulcanize/go-ethereum/blob/v1.9.24-statediff/statediff/service.go#L93)?
statediff/metrics.go
@ -0,0 +45,4 @@
writeLoopChannelLen: metrics.NewGauge(),
}
subsys := "service"
reg.Register(metricName(subsys, "last_sync_height"), ctx.lastSyncHeight)
i-norden commented 2020-11-24 07:39:03 +00:00
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Looks like lastSyncHeight still needs to be updated somewhere (from within core.BlockChain).

Looks like `lastSyncHeight` still needs to be updated somewhere (from within core.BlockChain).
i-norden reviewed 2020-11-24 08:13:50 +00:00
statediff/metrics.go
@ -0,0 +45,4 @@
writeLoopChannelLen: metrics.NewGauge(),
}
subsys := "service"
reg.Register(metricName(subsys, "last_sync_height"), ctx.lastSyncHeight)
i-norden commented 2020-11-24 08:13:49 +00:00
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Doh yeah you mention that in the OP

Doh yeah you mention that in the OP
i-norden commented 2020-11-24 08:14:09 +00:00
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LGTM once that last metric is filled in

LGTM once that last metric is filled in
roysc reviewed 2020-11-24 11:23:10 +00:00
statediff/metrics.go
@ -0,0 +45,4 @@
writeLoopChannelLen: metrics.NewGauge(),
}
subsys := "service"
reg.Register(metricName(subsys, "last_sync_height"), ctx.lastSyncHeight)
roysc commented 2020-11-24 11:23:09 +00:00
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Yeah, the chain/head/block metric seems to be what we want - at least, looking at the blockchain code I don't really see a more appropriate location to track head.

Yeah, the chain/head/block metric seems to be what we want - at least, looking at the blockchain code I don't really see a more appropriate location to track head.
roysc reviewed 2020-11-24 11:24:28 +00:00
statediff/metrics.go
roysc commented 2020-11-24 11:24:28 +00:00
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I pushed an update to name these under statediff/service/, and rename the indexer ones to statediff/indexer

I pushed an update to name these under `statediff/service/`, and rename the indexer ones to `statediff/indexer`
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Reference: cerc-io/go-ethereum#44
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