/request_percentage.sh Secret
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September 30, 2021 09:33
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Cálculo do request_percentage
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#!/bin/bash | |
# Ferramentas necessárias: | |
# - Kafka CLI | |
# - bash | |
# - grep | |
# - cut | |
# - printf | |
# - tr | |
# Utilização | |
# ./request_percentage.sh <kafka server> <numero tenants> | |
BOOTSTRAP_SERVER=$1 | |
TENANTS=$2 | |
# id do primeiro broker retornado | |
BROKER_ID=$(kafka-configs.sh --bootstrap-server $BOOTSTRAP_SERVER \ | |
--describe \ | |
--entity-type brokers \ | |
--all | grep 'broker.id=' | head -1 | cut -d'=' -f2 | cut -d' ' -f1) | |
CONFIGS=$(kafka-configs.sh --bootstrap-server $BOOTSTRAP_SERVER \ | |
--describe \ | |
--entity-type brokers \ | |
--entity-name $BROKER_ID \ | |
--all) | |
NUM_IO_THREADS=$(echo "$CONFIGS" | grep 'num.io.threads' | cut -d'=' -f2 | cut -d' ' -f1) | |
NUM_NETWORK_THREADS=$(echo "$CONFIGS" | grep 'num.network.threads' | cut -d'=' -f2 | cut -d' ' -f1) | |
QUOTA_WINDOW_SIZE_SECONDS=$(echo "$CONFIGS" | grep 'DEFAULT_CONFIG:quota.window.size.seconds' | cut -d'=' -f2 | cut -d' ' -f1) | |
CAPACIDADE_TOTAL=$((($NUM_IO_THREADS + $NUM_NETWORK_THREADS) * 100)) | |
REQUEST_PERCENTAGE=$(printf %.1f "$((10**3 * $CAPACIDADE_TOTAL/$TENANTS))e-3" | tr ',' '.') | |
echo '' | |
echo "broker.id...................: $BROKER_ID" | |
echo "num.io.threads..............: $NUM_IO_THREADS" | |
echo "num.network.threads.........: $NUM_NETWORK_THREADS" | |
echo "quota.window.size.seconds...: $QUOTA_WINDOW_SIZE_SECONDS" | |
echo '' | |
echo "capacidade total............: $CAPACIDADE_TOTAL" | |
echo "tenants.....................: $TENANTS" | |
echo '' | |
echo "request_percentage p/ tenant: $REQUEST_PERCENTAGE" | |
echo '' | |
echo 'Comando atualização cota para user default:' | |
echo " kafka-configs.sh --bootstrap-server $BOOTSTRAP_SERVER --alter --add-config 'request_percentage=$REQUEST_PERCENTAGE' --entity-type users --entity-default" | |
echo '' | |
echo 'Comando atualização cota para client.id default:' | |
echo " kafka-configs.sh --bootstrap-server $BOOTSTRAP_SERVER --alter --add-config 'request_percentage=$REQUEST_PERCENTAGE' --entity-type clients --entity-default" | |
echo '' |
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