presto_exporter

This Prometheus exporter can scrape the metrics from presto cluster, and it should be installed in the coordinator server of presto cluster.

Table of Contents

• Compatibility
• Dependency
• Download
• Compile
  • build binary
  • run binary
• Docker
  • run docker
• Flags
• Metrics
  • Topics

Compatibility

Support Presto version 0.177 (and later).

Dependency

• Prometheus
• Golang
• Dep

Download

Binary can be downloaded from Releases page.

Compile

build binary

It can use go to binary by youself

go build presto_exporter.go

run binary

./presto_exporter [flags]

Docker

run docker

To run the presto exporter as a Docker container, run:

docker run yahoojapan/presto-exporter:master [flags]

Flags

This image is configurable using different flags

Flag name	Default	Description
web.listen-address	:9483	Address to listen on for web interface and telemetry
web.telemetry-path	/metrics	Path under which to expose metrics

Help on flags:

./presto_exporter --help

Metrics

Documents about exposed Prometheus metrics.

For details on the underlying metrics please see Presto.

Topics

Prometheus Metrics Details

Name	Exposed informations
presto_cluster_running_queries	Total number of queries currently running
presto_cluster_active_ workers	Total number of active worker nodes
presto_cluster_total_input_rows	Total number of input rows processed
presto_cluster_queued_queries	Total number of queries currently queued and awaiting execution
presto_cluster_running_drivers	Moving average of total running drivers
presto_cluster_total_input_bytes	Total number of input bytes processed
presto_cluster_blocked_queries	Total number of queries currently blocked and unable to make progress
presto_cluster_reserved_memory	Total amount of memory reserved by all running queries
presto_cluster_total_cpu_time_secs	Total number of CPU time

Metrics output example

# HELP presto_cluster_active_workers Active workers of the presto cluster.
# TYPE presto_cluster_active_workers gauge
presto_cluster_active_workers 36
# HELP presto_cluster_blocked_queries Blocked queries of the presto cluster.
# TYPE presto_cluster_blocked_queries gauge
presto_cluster_blocked_queries 0
# HELP presto_cluster_queued_queries Queued queries of the presto cluster.
# TYPE presto_cluster_queued_queries gauge
presto_cluster_queued_queries 0
# HELP presto_cluster_reserved_memory Reserved memory of the presto cluster.
# TYPE presto_cluster_reserved_memory gauge
presto_cluster_reserved_memory 5.55661368e+08
# HELP presto_cluster_running_drivers Running drivers of the presto cluster.
# TYPE presto_cluster_running_drivers gauge
presto_cluster_running_drivers 9413
# HELP presto_cluster_running_queries Running requests of the presto cluster.
# TYPE presto_cluster_running_queries gauge
presto_cluster_running_queries 1
# HELP presto_cluster_total_cpu_time_secs Total cpu time of the presto cluster.
# TYPE presto_cluster_total_cpu_time_secs gauge
presto_cluster_total_cpu_time_secs 4.1377104e+07
# HELP presto_cluster_total_input_bytes Total input bytes of the presto cluster.
# TYPE presto_cluster_total_input_bytes gauge
presto_cluster_total_input_bytes 1.100504485326412e+15
# HELP presto_cluster_total_input_rows Total input rows of the presto cluster.
# TYPE presto_cluster_total_input_rows gauge
presto_cluster_total_input_rows 7.794104814874e+12