#!/usr/bin/env bash # Tags: replica, no-parallel set -e CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd) # shellcheck source=../shell_config.sh . "$CURDIR"/../shell_config.sh NUM_REPLICAS=10 for i in $(seq 1 $NUM_REPLICAS); do $CLICKHOUSE_CLIENT -n -q " DROP TABLE IF EXISTS r$i; CREATE TABLE r$i (x UInt64) ENGINE = ReplicatedMergeTree('/clickhouse/tables/$CLICKHOUSE_TEST_ZOOKEEPER_PREFIX/r', 'r$i') ORDER BY x; " done function thread { for x in {0..99}; do # sometimes we can try to commit obsolete part if fetches will be quite fast, # so supress warning messages like "Tried to commit obsolete part ... covered by ..." $CLICKHOUSE_CLIENT --query "INSERT INTO r$1 SELECT $x % $NUM_REPLICAS = $1 ? $x - 1 : $x" 2>/dev/null # Replace some records as duplicates so they will be written by other replicas done } for i in $(seq 1 $NUM_REPLICAS); do thread $i & done wait for i in $(seq 1 $NUM_REPLICAS); do $CLICKHOUSE_CLIENT -n -q " SYSTEM SYNC REPLICA r$i; SELECT count(), min(x), max(x), sum(x) FROM r$i;" done for i in $(seq 1 $NUM_REPLICAS); do $CLICKHOUSE_CLIENT -q "DROP TABLE IF EXISTS r$i;" done