ClickHouse/tests/queries/0_stateless/01459_manual_write_to_replicas.sh

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#!/usr/bin/env bash
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$i (x UInt64) ENGINE = ReplicatedMergeTree('/clickhouse/tables/01459_manual_write_ro_replicas/r', 'r$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