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jthomerson/get-dynamodb-consumed-metrics.sh

Created November 29, 2018 14:21
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get-dynamodb-consumed-metrics.sh
START=2018-10-01T00:00:00Z
END=2018-11-01T00:00:00Z
function GetStats() {
SUMUNITS=$(aws cloudwatch get-metric-statistics --start-time ${START} --end-time ${END} --metric-name $1 --namespace AWS/DynamoDB --statistics Sum --dimensions Name=TableName,Value=$2 --period 3600 | jq .Datapoints[].Sum | awk 'BEGIN {SUM=0}; {SUM=SUM+$1}; END {printf "%.3f\n", SUM}')
}
for TABLENAME in $(aws dynamodb list-tables | jq -r .TableNames[]); do
GetStats "ConsumedReadCapacityUnits" "${TABLENAME}"
echo "${TABLENAME} Read ${SUMUNITS}"
GetStats "ConsumedWriteCapacityUnits" "${TABLENAME}"
echo "${TABLENAME} Write ${SUMUNITS}"
done
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