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feat: Prometheus Block Fullness Metrics #3025

Merged
merged 14 commits into from
Feb 1, 2022
Merged

feat: Prometheus Block Fullness Metrics #3025

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a7c0002
add hooks for promulgating "read"
Jan 28, 2022
3b9a805
added other components to the cost
Jan 28, 2022
01975a1
try the conversion from u64 to i64
Jan 28, 2022
e3fca43
fix build with TryInto
Jan 28, 2022
6c41bfe
forgot to format
Jan 28, 2022
af311cc
changed the prometheus names
Jan 28, 2022
eaa4a3a
saturate the limits
Jan 28, 2022
b2700c4
getting block limit into the prometheus thing
Jan 28, 2022
4cf99f3
use percentages
Jan 28, 2022
7fa6bcb
was failing fullness
Jan 31, 2022
fde5901
make prefix stacks_node_last_block_*
Jan 31, 2022
ba45e6f
kantai's suggestion for src/chainstate/stacks/db/blocks.rs
gregorycoppola Feb 1, 2022
4be27a3
Merge branch 'develop' into feat/prometheus-fullness
Feb 1, 2022
b88d8ce
collapse the "check mempool feature" checks
Feb 1, 2022
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7 changes: 7 additions & 0 deletions src/chainstate/stacks/db/blocks.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -82,6 +82,7 @@ use crate::types::chainstate::{
StacksAddress, StacksBlockHeader, StacksBlockId, StacksMicroblockHeader,
};
use crate::{types, util};
use monitoring::set_last_execution_cost_observed;
use types::chainstate::BurnchainHeaderHash;

#[derive(Debug, Clone, PartialEq)]
Expand Down Expand Up @@ -5002,6 +5003,10 @@ impl StacksChainState {
None,
)?;

let block_limit = clarity_tx
.block_limit()
.unwrap_or(ExecutionCost::max_value());
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Not sure if setting block_limit to ExecutionCost::max_value() in the case of an error makes sense...

Could we at least add a warn if there is an error here?

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hmm... what would it mean if block_limit() failed?

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It would mean that a transaction was currently being evaluated. I don't think it's possible in this code path, but it'd be good to warn --

Suggested change
.unwrap_or(ExecutionCost::max_value());
.unwrap_or_else(|| {
warn!("Failed to read transaction block limit");
ExecutionCost::max_value()
});


let (
scheduled_miner_reward,
block_execution_cost,
Expand Down Expand Up @@ -5240,6 +5245,8 @@ impl StacksChainState {

chainstate_tx.log_transactions_processed(&new_tip.index_block_hash(), &tx_receipts);

set_last_execution_cost_observed(&block_execution_cost, &block_limit);

let epoch_receipt = StacksEpochReceipt {
header: new_tip,
tx_receipts,
Expand Down
25 changes: 25 additions & 0 deletions src/monitoring/mod.rs
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Expand Up @@ -28,12 +28,14 @@ use crate::{
},
};
use burnchains::BurnchainSigner;
use std::convert::TryInto;
use std::error::Error;
use std::sync::atomic::{AtomicUsize, Ordering};
use std::sync::Mutex;
use util::db::sqlite_open;
use util::db::Error as DatabaseError;
use util::uint::{Uint256, Uint512};
use vm::costs::ExecutionCost;

#[cfg(feature = "monitoring_prom")]
mod prometheus;
Expand Down Expand Up @@ -104,6 +106,28 @@ pub fn increment_btc_blocks_received_counter() {
prometheus::BTC_BLOCKS_RECEIVED_COUNTER.inc();
}

/// Log `execution_cost` as a ratio of `block_limit`.
#[allow(unused_variables)]
pub fn set_last_execution_cost_observed(
execution_cost: &ExecutionCost,
block_limit: &ExecutionCost,
) {
#[cfg(feature = "monitoring_prom")]
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@jcnelson jcnelson Feb 1, 2022 •
edited
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Is there a way to just group all of these statements inside a single #[cfg(feature = "monitoring_prom")]? Something like:

#[cfg(feature = "monitoring_prom")] {
   /* do stuff here */
}

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did this

prometheus::LAST_BLOCK_READ_COUNT
.set(execution_cost.read_count as f64 / block_limit.read_count as f64);
#[cfg(feature = "monitoring_prom")]
prometheus::LAST_BLOCK_WRITE_COUNT
.set(execution_cost.write_count as f64 / block_limit.read_count as f64);
#[cfg(feature = "monitoring_prom")]
prometheus::LAST_BLOCK_READ_LENGTH
.set(execution_cost.read_length as f64 / block_limit.read_length as f64);
#[cfg(feature = "monitoring_prom")]
prometheus::LAST_BLOCK_WRITE_LENGTH
.set(execution_cost.write_length as f64 / block_limit.write_length as f64);
#[cfg(feature = "monitoring_prom")]
prometheus::LAST_BLOCK_RUNTIME.set(execution_cost.runtime as f64 / block_limit.runtime as f64);
}

pub fn increment_btc_ops_sent_counter() {
#[cfg(feature = "monitoring_prom")]
prometheus::BTC_OPS_SENT_COUNTER.inc();
Expand Down Expand Up @@ -397,6 +421,7 @@ pub fn set_burnchain_signer(signer: BurnchainSigner) -> Result<(), SetGlobalBurn
Ok(())
}

#[allow(unreachable_code)]
pub fn get_burnchain_signer() -> Option<BurnchainSigner> {
#[cfg(feature = "monitoring_prom")]
{
Expand Down
25 changes: 25 additions & 0 deletions src/monitoring/prometheus.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,31 @@ lazy_static! {
"Total number of error logs emitted by node"
)).unwrap();

pub static ref LAST_BLOCK_READ_COUNT: Gauge = register_gauge!(opts!(
"stacks_node_last_block_read_count",
"`execution_cost_read_count` for the last block observed."
)).unwrap();

pub static ref LAST_BLOCK_WRITE_COUNT: Gauge = register_gauge!(opts!(
"stacks_node_last_block_write_count",
"`execution_cost_write_count` for the last block observed."
)).unwrap();

pub static ref LAST_BLOCK_READ_LENGTH: Gauge = register_gauge!(opts!(
"stacks_node_last_block_read_length",
"`execution_cost_read_length` for the last block observed."
)).unwrap();

pub static ref LAST_BLOCK_WRITE_LENGTH: Gauge = register_gauge!(opts!(
"stacks_node_last_block_write_length",
"`execution_cost_write_length` for the last block observed."
)).unwrap();

pub static ref LAST_BLOCK_RUNTIME: Gauge = register_gauge!(opts!(
"stacks_node_last_block_runtime",
"`execution_cost_runtime` for the last block observed."
)).unwrap();

pub static ref ACTIVE_MINERS_COUNT_GAUGE: IntGauge = register_int_gauge!(opts!(
"stacks_node_active_miners_total",
"Total number of active miners"
Expand Down