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prometheus/metrics: three new metrics for consensus (#4263) 

* prometheus/metrics: two new metrics for consensus

- add consensus_validator_power metric so if a node is a validator it can see its own power in prometheus
- add last_signed_height metric so if a node is a validator it can be aware of at which height the most recent time it signed.

- closes: #3773
- closes: #3083

Signed-off-by: Marko Baricevic <marbar3778@yahoo.com>

* check if signature is present

* minor change and check if sig is not absent

* add changelog entry

* Update consensus/state.go

Co-Authored-By: Anton Kaliaev <anton.kalyaev@gmail.com>

* Update CHANGELOG_PENDING.md

Co-Authored-By: Anton Kaliaev <anton.kalyaev@gmail.com>

* Update CHANGELOG_PENDING.md

* add label with validator address

* change address to vali_address

* add metric missed blocks

* add changelog entry for missed blocks metric

* address naming & add docs
pull/4268/head
Marko 5 years ago
committed by GitHub
parent
d86706b0e8
commit
7368ba358b
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 78 additions and 28 deletions
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  1. +5
    -0
      CHANGELOG_PENDING.md
  2. +29
    -0
      consensus/metrics.go
  3. +13
    -0
      consensus/state.go
  4. +31
    -28
      docs/tendermint-core/metrics.md

+ 5
- 0
CHANGELOG_PENDING.md View File

@ -113,6 +113,11 @@ program](https://hackerone.com/tendermint).
- [cli] \#4234 Add `--db_backend and --db_dir` flags (@princesinha19)
- [cli] \#4113 Add optional `--genesis_hash` flag to check genesis hash upon startup
- [config] \#3831 Add support for [RocksDB](https://rocksdb.org/) (@Stumble)
- [metrics] \#4263 Add
- `consensus_validator_power`: track your validators power
- `consensus_validator_last_signed_height`: track at which height the validator last signed
- `consensus_validator_missed_blocks`: total amount of missed blocks for a validator
as gauges in prometheus for validator specific metrics
### IMPROVEMENTS:


+ 29
- 0
consensus/metrics.go View File

@ -19,6 +19,9 @@ type Metrics struct {
// Height of the chain.
Height metrics.Gauge
// ValidatorLastSignedHeight of a validator.
ValidatorLastSignedHeight metrics.Gauge
// Number of rounds.
Rounds metrics.Gauge
@ -26,6 +29,10 @@ type Metrics struct {
Validators metrics.Gauge
// Total power of all validators.
ValidatorsPower metrics.Gauge
// Power of a validator.
ValidatorPower metrics.Gauge
// Amount of blocks missed by a validator.
ValidatorMissedBlocks metrics.Gauge
// Number of validators who did not sign.
MissingValidators metrics.Gauge
// Total power of the missing validators.
@ -81,12 +88,30 @@ func PrometheusMetrics(namespace string, labelsAndValues ...string) *Metrics {
Name: "validators",
Help: "Number of validators.",
}, labels).With(labelsAndValues...),
ValidatorLastSignedHeight: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
Namespace: namespace,
Subsystem: MetricsSubsystem,
Name: "validator_last_signed_height",
Help: "Last signed height for a validator",
}, append(labels, "validator_address")).With(labelsAndValues...),
ValidatorMissedBlocks: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
Namespace: namespace,
Subsystem: MetricsSubsystem,
Name: "validator_missed_blocks",
Help: "Total missed blocks for a validator",
}, append(labels, "validator_address")).With(labelsAndValues...),
ValidatorsPower: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
Namespace: namespace,
Subsystem: MetricsSubsystem,
Name: "validators_power",
Help: "Total power of all validators.",
}, labels).With(labelsAndValues...),
ValidatorPower: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
Namespace: namespace,
Subsystem: MetricsSubsystem,
Name: "validator_power",
Help: "Power of a validator",
}, append(labels, "validator_address")).With(labelsAndValues...),
MissingValidators: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
Namespace: namespace,
Subsystem: MetricsSubsystem,
@ -163,10 +188,14 @@ func NopMetrics() *Metrics {
return &Metrics{
Height: discard.NewGauge(),
ValidatorLastSignedHeight: discard.NewGauge(),
Rounds: discard.NewGauge(),
Validators: discard.NewGauge(),
ValidatorsPower: discard.NewGauge(),
ValidatorPower: discard.NewGauge(),
ValidatorMissedBlocks: discard.NewGauge(),
MissingValidators: discard.NewGauge(),
MissingValidatorsPower: discard.NewGauge(),
ByzantineValidators: discard.NewGauge(),


+ 13
- 0
consensus/state.go View File

@ -1486,6 +1486,19 @@ func (cs *State) recordMetrics(height int64, block *types.Block) {
for i, val := range cs.LastValidators.Validators {
commitSig := block.LastCommit.Signatures[i]
privValAddress := cs.privValidator.GetPubKey().Address()
if cs.privValidator != nil && bytes.Equal(val.Address, privValAddress) {
label := []string{
"validator_address", privValAddress.String(),
}
cs.metrics.ValidatorPower.With(label...).Set(float64(val.VotingPower))
if !commitSig.Absent() {
cs.metrics.ValidatorLastSignedHeight.With(label...).Set(float64(height))
} else {
cs.metrics.ValidatorMissedBlocks.With(label...).Add(float64(1))
}
}
if commitSig.Absent() {
missingValidators++
missingValidatorsPower += val.VotingPower


+ 31
- 28
docs/tendermint-core/metrics.md View File

@ -18,34 +18,37 @@ Listen address can be changed in the config file (see
The following metrics are available:
| **Name** | **Type** | **Since** | **Tags** | **Description** |
| --------------------------------------- | --------- | --------- | -------------- | --------------------------------------------------------------- |
| consensus\_height | Gauge | 0.21.0 | | Height of the chain |
| consensus\_validators | Gauge | 0.21.0 | | Number of validators |
| consensus\_validators\_power | Gauge | 0.21.0 | | Total voting power of all validators |
| consensus\_missing\_validators | Gauge | 0.21.0 | | Number of validators who did not sign |
| consensus\_missing\_validators\_power | Gauge | 0.21.0 | | Total voting power of the missing validators |
| consensus\_byzantine\_validators | Gauge | 0.21.0 | | Number of validators who tried to double sign |
| consensus\_byzantine\_validators\_power | Gauge | 0.21.0 | | Total voting power of the byzantine validators |
| consensus\_block\_interval\_seconds | Histogram | 0.21.0 | | Time between this and last block (Block.Header.Time) in seconds |
| consensus\_rounds | Gauge | 0.21.0 | | Number of rounds |
| consensus\_num\_txs | Gauge | 0.21.0 | | Number of transactions |
| consensus\_total\_txs | Gauge | 0.21.0 | | Total number of transactions committed |
| consensus\_block\_parts | counter | on dev | peer\_id | number of blockparts transmitted by peer |
| consensus\_latest\_block\_height | gauge | on dev | | /status sync\_info number |
| consensus\_fast\_syncing | gauge | on dev | | either 0 (not fast syncing) or 1 (syncing) |
| consensus\_block\_size\_bytes | Gauge | 0.21.0 | | Block size in bytes |
| p2p\_peers | Gauge | 0.21.0 | | Number of peers node's connected to |
| p2p\_peer\_receive\_bytes\_total | counter | on dev | peer\_id, chID | number of bytes per channel received from a given peer |
| p2p\_peer\_send\_bytes\_total | counter | on dev | peer\_id, chID | number of bytes per channel sent to a given peer |
| p2p\_peer\_pending\_send\_bytes | gauge | on dev | peer\_id | number of pending bytes to be sent to a given peer |
| p2p\_num\_txs | gauge | on dev | peer\_id | number of transactions submitted by each peer\_id |
| p2p\_pending\_send\_bytes | gauge | on dev | peer\_id | amount of data pending to be sent to peer |
| mempool\_size | Gauge | 0.21.0 | | Number of uncommitted transactions |
| mempool\_tx\_size\_bytes | histogram | on dev | | transaction sizes in bytes |
| mempool\_failed\_txs | counter | on dev | | number of failed transactions |
| mempool\_recheck\_times | counter | on dev | | number of transactions rechecked in the mempool |
| state\_block\_processing\_time | histogram | on dev | | time between BeginBlock and EndBlock in ms |
| **Name** | **Type** | **Since** | **Tags** | **Description** |
| -------------------------------------- | --------- | --------- | ------------- | ---------------------------------------------------------------------- |
| consensus_height | Gauge | 0.21.0 | | Height of the chain |
| consensus_validators | Gauge | 0.21.0 | | Number of validators |
| consensus_validators_power | Gauge | 0.21.0 | | Total voting power of all validators |
| consensus_validator_power | Gauge | 0.33.0 | | Voting power of the node if in the validator set |
| consensus_validator_last_signed_height | Gauge | 0.33.0 | | Last height the node signed a block, if the node is a validator |
| consensus_validator_missed_blocks | Gauge | 0.33.0 | | Total amount of blocks missed for the node, if the node is a validator |
| consensus_missing_validators | Gauge | 0.21.0 | | Number of validators who did not sign |
| consensus_missing_validators_power | Gauge | 0.21.0 | | Total voting power of the missing validators |
| consensus_byzantine_validators | Gauge | 0.21.0 | | Number of validators who tried to double sign |
| consensus_byzantine_validators_power | Gauge | 0.21.0 | | Total voting power of the byzantine validators |
| consensus_block_interval_seconds | Histogram | 0.21.0 | | Time between this and last block (Block.Header.Time) in seconds |
| consensus_rounds | Gauge | 0.21.0 | | Number of rounds |
| consensus_num_txs | Gauge | 0.21.0 | | Number of transactions |
| consensus_total_txs | Gauge | 0.21.0 | | Total number of transactions committed |
| consensus_block_parts | counter | on dev | peer_id | number of blockparts transmitted by peer |
| consensus_latest_block_height | gauge | on dev | | /status sync_info number |
| consensus_fast_syncing | gauge | on dev | | either 0 (not fast syncing) or 1 (syncing) |
| consensus_block_size_bytes | Gauge | 0.21.0 | | Block size in bytes |
| p2p_peers | Gauge | 0.21.0 | | Number of peers node's connected to |
| p2p_peer_receive_bytes_total | counter | on dev | peer_id, chID | number of bytes per channel received from a given peer |
| p2p_peer_send_bytes_total | counter | on dev | peer_id, chID | number of bytes per channel sent to a given peer |
| p2p_peer_pending_send_bytes | gauge | on dev | peer_id | number of pending bytes to be sent to a given peer |
| p2p_num_txs | gauge | on dev | peer_id | number of transactions submitted by each peer_id |
| p2p_pending_send_bytes | gauge | on dev | peer_id | amount of data pending to be sent to peer |
| mempool_size | Gauge | 0.21.0 | | Number of uncommitted transactions |
| mempool_tx_size_bytes | histogram | on dev | | transaction sizes in bytes |
| mempool_failed_txs | counter | on dev | | number of failed transactions |
| mempool_recheck_times | counter | on dev | | number of transactions rechecked in the mempool |
| state_block_processing_time | histogram | on dev | | time between BeginBlock and EndBlock in ms |
## Useful queries


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