#!/usr/bin/env bash # Tags: distributed CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd) # shellcheck source=../shell_config.sh . "$CURDIR"/../shell_config.sh i=0 retries=300 # Sometimes five seconds are not enough due to system overload. # But if it can run in less than five seconds at least sometimes - it is enough for the test. while [[ $i -lt $retries ]]; do opts=( --max_distributed_connections 20 --max_threads 1 --query "SELECT sleepEachRow(1) FROM remote('127.{2..21}', system.one)" --format Null ) # 10 less then 20 seconds (20 streams), but long enough to cover possible load peaks # "$@" left to pass manual options (like --experimental_use_processors 0) during manual testing timeout 10s ${CLICKHOUSE_CLIENT} "${opts[@]}" "$@" && break ((++i)) done