core: log chain reorg/split metrics (#18950)

* core: log chain reorg/split metrics

* core: report 1-block reorgs on the metrics too
This commit is contained in:
HackyMiner 2019-08-22 18:28:23 +09:00 committed by Péter Szilágyi
parent ac23073619
commit 7c229941ac

View File

@ -64,6 +64,8 @@ var (
blockValidationTimer = metrics.NewRegisteredTimer("chain/validation", nil)
blockExecutionTimer = metrics.NewRegisteredTimer("chain/execution", nil)
blockWriteTimer = metrics.NewRegisteredTimer("chain/write", nil)
blockReorgAddMeter = metrics.NewRegisteredMeter("chain/reorg/drop", nil)
blockReorgDropMeter = metrics.NewRegisteredMeter("chain/reorg/add", nil)
blockPrefetchExecuteTimer = metrics.NewRegisteredTimer("chain/prefetch/executes", nil)
blockPrefetchInterruptMeter = metrics.NewRegisteredMeter("chain/prefetch/interrupts", nil)
@ -1933,12 +1935,16 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
}
// Ensure the user sees large reorgs
if len(oldChain) > 0 && len(newChain) > 0 {
logFn := log.Debug
logFn := log.Info
msg := "Chain reorg detected"
if len(oldChain) > 63 {
msg = "Large chain reorg detected"
logFn = log.Warn
}
logFn("Chain split detected", "number", commonBlock.Number(), "hash", commonBlock.Hash(),
logFn(msg, "number", commonBlock.Number(), "hash", commonBlock.Hash(),
"drop", len(oldChain), "dropfrom", oldChain[0].Hash(), "add", len(newChain), "addfrom", newChain[0].Hash())
blockReorgAddMeter.Mark(int64(len(newChain)))
blockReorgDropMeter.Mark(int64(len(oldChain)))
} else {
log.Error("Impossible reorg, please file an issue", "oldnum", oldBlock.Number(), "oldhash", oldBlock.Hash(), "newnum", newBlock.Number(), "newhash", newBlock.Hash())
}