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dpavlin/influx-drop-shard.sh

Created April 10, 2022 14:02
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drop oldest influxdb shards when disk space becomes too small
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influx-drop-shard.sh
#!/bin/sh -e
free=`df -k /var/lib/influxdb/ | grep / | awk '{ print $4 }'`
test "$free" -gt 2097152 && exit 0
df -h /var/lib/influxdb
influx -database telegraf -execute 'show shards' | grep telegraf | head -2 | tee /dev/stderr | awk '{ print $1 }' | tail -1 | xargs -i influx -database telegraf -execute 'drop shard {}'
df -h /var/lib/influxdb
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