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-# Cluster Test
-
-This directory contains a program you can use to test a cluster.
-
-Here's how:
-
-First, install a cluster of Elasticsearch nodes. You can install them on
-different computers, or start several nodes on a single machine.
-
-Build cluster-test by `go build cluster-test.go` (or build with `make`).
-
-Run `./cluster-test -h` to get a list of flags:
-
-```sh
-$ ./cluster-test -h
-Usage of ./cluster-test:
- -errorlog="": error log file
- -healthcheck=true: enable or disable healthchecks
- -healthchecker=1m0s: healthcheck interval
- -index="twitter": name of ES index to use
- -infolog="": info log file
- -n=5: number of goroutines that run searches
- -nodes="": comma-separated list of ES URLs (e.g. 'http://192.168.2.10:9200,http://192.168.2.11:9200')
- -retries=0: number of retries
- -sniff=true: enable or disable sniffer
- -sniffer=15m0s: sniffer interval
- -tracelog="": trace log file
-```
-
-Example:
-
-```sh
-$ ./cluster-test -nodes=http://127.0.0.1:9200,http://127.0.0.1:9201,http://127.0.0.1:9202 -n=5 -index=twitter -retries=5 -sniff=true -sniffer=10s -healthcheck=true -healthchecker=5s -errorlog=error.log
-```
-
-The above example will create an index and start some search jobs on the
-cluster defined by http://127.0.0.1:9200, http://127.0.0.1:9201,
-and http://127.0.0.1:9202.
-
-* It will create an index called `twitter` on the cluster (`-index=twitter`)
-* It will run 5 search jobs in parallel (`-n=5`).
-* It will retry failed requests 5 times (`-retries=5`).
-* It will sniff the cluster periodically (`-sniff=true`).
-* It will sniff the cluster every 10 seconds (`-sniffer=10s`).
-* It will perform health checks periodically (`-healthcheck=true`).
-* It will perform health checks on the nodes every 5 seconds (`-healthchecker=5s`).
-* It will write an error log file (`-errorlog=error.log`).
-
-If you want to test Elastic with nodes going up and down, you can use a
-chaos monkey script like this and run it on the nodes of your cluster:
-
-```sh
-#!/bin/bash
-while true
-do
- echo "Starting ES node"
- elasticsearch -d -Xmx4g -Xms1g -Des.config=elasticsearch.yml -p es.pid
- sleep `jot -r 1 10 300` # wait for 10-300s
- echo "Stopping ES node"
- kill -TERM `cat es.pid`
- sleep `jot -r 1 10 60` # wait for 10-60s
-done
-```