mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-30 19:42:00 +00:00
719 lines
21 KiB
Python
719 lines
21 KiB
Python
import pytest
|
|
from helpers.cluster import ClickHouseCluster
|
|
import helpers.keeper_utils as keeper_utils
|
|
import time
|
|
import csv
|
|
import re
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
node1 = cluster.add_instance(
|
|
"node1", main_configs=["configs/enable_keeper1.xml"], stay_alive=True
|
|
)
|
|
node2 = cluster.add_instance(
|
|
"node2", main_configs=["configs/enable_keeper2.xml"], stay_alive=True
|
|
)
|
|
node3 = cluster.add_instance(
|
|
"node3", main_configs=["configs/enable_keeper3.xml"], stay_alive=True
|
|
)
|
|
|
|
from kazoo.client import KazooClient
|
|
|
|
|
|
def wait_nodes():
|
|
keeper_utils.wait_nodes(cluster, [node1, node2, node3])
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def started_cluster():
|
|
try:
|
|
cluster.start()
|
|
|
|
yield cluster
|
|
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
def destroy_zk_client(zk):
|
|
try:
|
|
if zk:
|
|
zk.stop()
|
|
zk.close()
|
|
except:
|
|
pass
|
|
|
|
|
|
def clear_znodes():
|
|
zk = None
|
|
try:
|
|
zk = get_fake_zk(node3.name, timeout=30.0)
|
|
nodes = zk.get_children("/")
|
|
for node in [n for n in nodes if "test_4lw_" in n]:
|
|
zk.delete("/" + node)
|
|
finally:
|
|
destroy_zk_client(zk)
|
|
|
|
|
|
def get_fake_zk(nodename, timeout=30.0):
|
|
_fake_zk_instance = KazooClient(
|
|
hosts=cluster.get_instance_ip(nodename) + ":9181", timeout=timeout
|
|
)
|
|
_fake_zk_instance.start()
|
|
return _fake_zk_instance
|
|
|
|
|
|
def close_keeper_socket(cli):
|
|
if cli is not None:
|
|
cli.close()
|
|
|
|
|
|
def reset_node_stats(node=node1):
|
|
client = None
|
|
try:
|
|
client = keeper_utils.get_keeper_socket(cluster, node)
|
|
client.send(b"srst")
|
|
client.recv(10)
|
|
finally:
|
|
if client is not None:
|
|
client.close()
|
|
|
|
|
|
def reset_conn_stats(node=node1):
|
|
client = None
|
|
try:
|
|
client = keeper_utils.get_keeper_socket(cluster, node)
|
|
client.send(b"crst")
|
|
client.recv(10_000)
|
|
finally:
|
|
if client is not None:
|
|
client.close()
|
|
|
|
|
|
def test_cmd_ruok(started_cluster):
|
|
client = None
|
|
try:
|
|
wait_nodes()
|
|
data = keeper_utils.send_4lw_cmd(cluster, node1, cmd="ruok")
|
|
assert data == "imok"
|
|
finally:
|
|
close_keeper_socket(client)
|
|
|
|
|
|
def do_some_action(
|
|
zk, create_cnt=0, get_cnt=0, set_cnt=0, ephemeral_cnt=0, watch_cnt=0, delete_cnt=0
|
|
):
|
|
assert create_cnt >= get_cnt
|
|
assert create_cnt >= set_cnt
|
|
assert create_cnt >= watch_cnt
|
|
assert create_cnt >= delete_cnt
|
|
# ensure not delete watched node
|
|
assert create_cnt >= (delete_cnt + watch_cnt)
|
|
|
|
for i in range(create_cnt):
|
|
zk.create("/test_4lw_normal_node_" + str(i), b"")
|
|
|
|
for i in range(get_cnt):
|
|
zk.get("/test_4lw_normal_node_" + str(i))
|
|
|
|
for i in range(set_cnt):
|
|
zk.set("/test_4lw_normal_node_" + str(i), b"new-value")
|
|
|
|
for i in range(ephemeral_cnt):
|
|
zk.create("/test_4lw_ephemeral_node_" + str(i), ephemeral=True)
|
|
|
|
fake_ephemeral_event = None
|
|
|
|
def fake_ephemeral_callback(event):
|
|
print("Fake watch triggered")
|
|
nonlocal fake_ephemeral_event
|
|
fake_ephemeral_event = event
|
|
|
|
for i in range(watch_cnt):
|
|
zk.exists("/test_4lw_normal_node_" + str(i), watch=fake_ephemeral_callback)
|
|
|
|
for i in range(create_cnt - delete_cnt, create_cnt):
|
|
zk.delete("/test_4lw_normal_node_" + str(i))
|
|
|
|
|
|
def test_cmd_mntr(started_cluster):
|
|
zk = None
|
|
try:
|
|
wait_nodes()
|
|
clear_znodes()
|
|
|
|
leader = keeper_utils.get_leader(cluster, [node1, node2, node3])
|
|
# reset stat first
|
|
reset_node_stats(leader)
|
|
|
|
zk = get_fake_zk(leader.name, timeout=30.0)
|
|
do_some_action(
|
|
zk,
|
|
create_cnt=10,
|
|
get_cnt=10,
|
|
set_cnt=5,
|
|
ephemeral_cnt=2,
|
|
watch_cnt=2,
|
|
delete_cnt=2,
|
|
)
|
|
|
|
data = keeper_utils.send_4lw_cmd(cluster, leader, cmd="mntr")
|
|
|
|
# print(data.decode())
|
|
reader = csv.reader(data.split("\n"), delimiter="\t")
|
|
result = {}
|
|
|
|
for row in reader:
|
|
if len(row) != 0:
|
|
result[row[0]] = row[1]
|
|
|
|
assert len(result["zk_version"]) != 0
|
|
|
|
assert int(result["zk_avg_latency"]) >= 0
|
|
assert int(result["zk_max_latency"]) >= 0
|
|
assert int(result["zk_min_latency"]) >= 0
|
|
|
|
assert int(result["zk_min_latency"]) <= int(result["zk_avg_latency"])
|
|
assert int(result["zk_max_latency"]) >= int(result["zk_avg_latency"])
|
|
|
|
assert int(result["zk_num_alive_connections"]) == 1
|
|
assert int(result["zk_outstanding_requests"]) == 0
|
|
|
|
assert result["zk_server_state"] == "leader"
|
|
|
|
# contains:
|
|
# 10 nodes created by test
|
|
# 3 nodes created by clickhouse "/clickhouse/task_queue/ddl"
|
|
# 1 root node, 3 keeper system nodes
|
|
assert int(result["zk_znode_count"]) == 14
|
|
assert int(result["zk_watch_count"]) == 2
|
|
assert int(result["zk_ephemerals_count"]) == 2
|
|
assert int(result["zk_approximate_data_size"]) > 0
|
|
|
|
assert int(result["zk_open_file_descriptor_count"]) > 0
|
|
assert int(result["zk_max_file_descriptor_count"]) > 0
|
|
|
|
assert int(result["zk_followers"]) == 2
|
|
assert int(result["zk_synced_followers"]) == 2
|
|
|
|
# contains 31 user request response and some responses for server startup
|
|
assert int(result["zk_packets_sent"]) >= 31
|
|
assert int(result["zk_packets_received"]) >= 31
|
|
finally:
|
|
destroy_zk_client(zk)
|
|
|
|
|
|
def test_cmd_srst(started_cluster):
|
|
client = None
|
|
try:
|
|
wait_nodes()
|
|
clear_znodes()
|
|
|
|
data = keeper_utils.send_4lw_cmd(cluster, node1, cmd="srst")
|
|
assert data.strip() == "Server stats reset."
|
|
|
|
data = keeper_utils.send_4lw_cmd(cluster, node1, cmd="mntr")
|
|
assert len(data) != 0
|
|
|
|
# print(data)
|
|
reader = csv.reader(data.split("\n"), delimiter="\t")
|
|
result = {}
|
|
|
|
for row in reader:
|
|
if len(row) != 0:
|
|
result[row[0]] = row[1]
|
|
|
|
assert int(result["zk_packets_received"]) == 0
|
|
assert int(result["zk_packets_sent"]) == 0
|
|
|
|
finally:
|
|
close_keeper_socket(client)
|
|
|
|
|
|
def test_cmd_conf(started_cluster):
|
|
client = None
|
|
try:
|
|
wait_nodes()
|
|
clear_znodes()
|
|
|
|
data = keeper_utils.send_4lw_cmd(cluster, node1, cmd="conf")
|
|
|
|
reader = csv.reader(data.split("\n"), delimiter="=")
|
|
result = {}
|
|
|
|
for row in reader:
|
|
if len(row) != 0:
|
|
print(row)
|
|
result[row[0]] = row[1]
|
|
|
|
assert result["server_id"] == "1"
|
|
assert result["tcp_port"] == "9181"
|
|
assert "tcp_port_secure" not in result
|
|
assert "superdigest" not in result
|
|
|
|
assert result["four_letter_word_allow_list"] == "*"
|
|
assert result["log_storage_path"] == "/var/lib/clickhouse/coordination/log"
|
|
assert result["log_storage_disk"] == "LocalLogDisk"
|
|
assert (
|
|
result["snapshot_storage_path"]
|
|
== "/var/lib/clickhouse/coordination/snapshots"
|
|
)
|
|
assert result["snapshot_storage_disk"] == "LocalSnapshotDisk"
|
|
|
|
assert result["session_timeout_ms"] == "30000"
|
|
assert result["min_session_timeout_ms"] == "10000"
|
|
assert result["operation_timeout_ms"] == "5000"
|
|
assert result["dead_session_check_period_ms"] == "500"
|
|
assert result["heart_beat_interval_ms"] == "500"
|
|
assert result["election_timeout_lower_bound_ms"] == "1000"
|
|
assert result["election_timeout_upper_bound_ms"] == "2000"
|
|
assert result["reserved_log_items"] == "100000"
|
|
|
|
assert result["snapshot_distance"] == "75"
|
|
assert result["auto_forwarding"] == "true"
|
|
assert result["shutdown_timeout"] == "5000"
|
|
assert result["startup_timeout"] == "180000"
|
|
|
|
assert result["raft_logs_level"] == "trace"
|
|
assert result["rotate_log_storage_interval"] == "100000"
|
|
assert result["snapshots_to_keep"] == "3"
|
|
assert result["stale_log_gap"] == "10000"
|
|
assert result["fresh_log_gap"] == "200"
|
|
|
|
assert result["max_requests_batch_size"] == "100"
|
|
assert result["max_requests_batch_bytes_size"] == "102400"
|
|
assert result["max_request_queue_size"] == "100000"
|
|
assert result["max_requests_quick_batch_size"] == "100"
|
|
assert result["quorum_reads"] == "false"
|
|
assert result["force_sync"] == "true"
|
|
|
|
assert result["compress_logs"] == "true"
|
|
assert result["compress_snapshots_with_zstd_format"] == "true"
|
|
assert result["configuration_change_tries_count"] == "20"
|
|
|
|
finally:
|
|
close_keeper_socket(client)
|
|
|
|
|
|
def test_cmd_isro(started_cluster):
|
|
wait_nodes()
|
|
assert keeper_utils.send_4lw_cmd(cluster, node1, "isro") == "rw"
|
|
assert keeper_utils.send_4lw_cmd(cluster, node2, "isro") == "ro"
|
|
|
|
|
|
def test_cmd_srvr(started_cluster):
|
|
zk = None
|
|
try:
|
|
wait_nodes()
|
|
clear_znodes()
|
|
|
|
leader = keeper_utils.get_leader(cluster, [node1, node2, node3])
|
|
reset_node_stats(leader)
|
|
|
|
zk = get_fake_zk(leader.name, timeout=30.0)
|
|
do_some_action(zk, create_cnt=10)
|
|
|
|
data = keeper_utils.send_4lw_cmd(cluster, leader, cmd="srvr")
|
|
|
|
print("srvr output -------------------------------------")
|
|
print(data)
|
|
|
|
reader = csv.reader(data.split("\n"), delimiter=":")
|
|
result = {}
|
|
|
|
for row in reader:
|
|
if len(row) != 0:
|
|
result[row[0].strip()] = row[1].strip()
|
|
|
|
assert "ClickHouse Keeper version" in result
|
|
assert "Latency min/avg/max" in result
|
|
assert result["Received"] == "10"
|
|
assert result["Sent"] == "10"
|
|
assert int(result["Connections"]) == 1
|
|
assert int(result["Zxid"]) > 10
|
|
assert result["Mode"] == "leader"
|
|
assert result["Node count"] == "14"
|
|
|
|
finally:
|
|
destroy_zk_client(zk)
|
|
|
|
|
|
def test_cmd_stat(started_cluster):
|
|
zk = None
|
|
try:
|
|
wait_nodes()
|
|
clear_znodes()
|
|
|
|
leader = keeper_utils.get_leader(cluster, [node1, node2, node3])
|
|
reset_node_stats(leader)
|
|
reset_conn_stats(leader)
|
|
|
|
zk = get_fake_zk(leader.name, timeout=30.0)
|
|
do_some_action(zk, create_cnt=10)
|
|
|
|
data = keeper_utils.send_4lw_cmd(cluster, leader, cmd="stat")
|
|
|
|
print("stat output -------------------------------------")
|
|
print(data)
|
|
|
|
# keeper statistics
|
|
stats = [n for n in data.split("\n") if "=" not in n]
|
|
reader = csv.reader(stats, delimiter=":")
|
|
result = {}
|
|
|
|
for row in reader:
|
|
if len(row) != 0:
|
|
result[row[0].strip()] = row[1].strip()
|
|
|
|
assert "ClickHouse Keeper version" in result
|
|
assert "Latency min/avg/max" in result
|
|
assert result["Received"] == "10"
|
|
assert result["Sent"] == "10"
|
|
assert int(result["Connections"]) == 1
|
|
assert int(result["Zxid"]) >= 10
|
|
assert result["Mode"] == "leader"
|
|
assert result["Node count"] == "14"
|
|
|
|
# filter connection statistics
|
|
cons = [n for n in data.split("\n") if "=" in n]
|
|
# filter connection created by 'cons'
|
|
cons = [n for n in cons if "recved=0" not in n and len(n) > 0]
|
|
assert len(cons) == 1
|
|
|
|
conn_stat = re.match(r"(.*?)[:].*[(](.*?)[)].*", cons[0].strip(), re.S).group(2)
|
|
assert conn_stat is not None
|
|
|
|
result = {}
|
|
for col in conn_stat.split(","):
|
|
col = col.strip().split("=")
|
|
result[col[0]] = col[1]
|
|
|
|
assert result["recved"] == "10"
|
|
assert result["sent"] == "10"
|
|
|
|
finally:
|
|
destroy_zk_client(zk)
|
|
|
|
|
|
def test_cmd_cons(started_cluster):
|
|
zk = None
|
|
try:
|
|
wait_nodes()
|
|
clear_znodes()
|
|
reset_conn_stats()
|
|
|
|
zk = get_fake_zk(node1.name, timeout=30.0)
|
|
do_some_action(zk, create_cnt=10)
|
|
|
|
data = keeper_utils.send_4lw_cmd(cluster, node1, cmd="cons")
|
|
|
|
print("cons output -------------------------------------")
|
|
print(data)
|
|
|
|
# filter connection created by 'cons'
|
|
cons = [n for n in data.split("\n") if "recved=0" not in n and len(n) > 0]
|
|
assert len(cons) == 1
|
|
|
|
conn_stat = re.match(r"(.*?)[:].*[(](.*?)[)].*", cons[0].strip(), re.S).group(2)
|
|
assert conn_stat is not None
|
|
|
|
result = {}
|
|
for col in conn_stat.split(","):
|
|
col = col.strip().split("=")
|
|
result[col[0]] = col[1]
|
|
|
|
assert result["recved"] == "10"
|
|
assert result["sent"] == "10"
|
|
assert "sid" in result
|
|
assert result["lop"] == "Create"
|
|
assert "est" in result
|
|
assert result["to"] == "30000"
|
|
assert result["lcxid"] == "0x000000000000000a"
|
|
assert "lzxid" in result
|
|
assert "lresp" in result
|
|
assert int(result["llat"]) >= 0
|
|
assert int(result["minlat"]) >= 0
|
|
assert int(result["avglat"]) >= 0
|
|
assert int(result["maxlat"]) >= 0
|
|
|
|
finally:
|
|
destroy_zk_client(zk)
|
|
|
|
|
|
def test_cmd_crst(started_cluster):
|
|
zk = None
|
|
try:
|
|
wait_nodes()
|
|
clear_znodes()
|
|
reset_conn_stats()
|
|
|
|
zk = get_fake_zk(node1.name, timeout=30.0)
|
|
do_some_action(zk, create_cnt=10)
|
|
|
|
data = keeper_utils.send_4lw_cmd(cluster, node1, cmd="crst")
|
|
|
|
print("crst output -------------------------------------")
|
|
print(data)
|
|
|
|
data = keeper_utils.send_4lw_cmd(cluster, node1, cmd="cons")
|
|
print("cons output(after crst) -------------------------------------")
|
|
print(data)
|
|
|
|
# 2 connections, 1 for 'cons' command, 1 for zk
|
|
cons = [n for n in data.split("\n") if len(n) > 0]
|
|
assert len(cons) == 2
|
|
|
|
# connection for zk
|
|
zk_conn = [n for n in cons if not n.__contains__("sid=0xffffffffffffffff")][0]
|
|
|
|
conn_stat = re.match(r"(.*?)[:].*[(](.*?)[)].*", zk_conn.strip(), re.S).group(2)
|
|
assert conn_stat is not None
|
|
|
|
result = {}
|
|
for col in conn_stat.split(","):
|
|
col = col.strip().split("=")
|
|
result[col[0]] = col[1]
|
|
|
|
assert result["recved"] == "0"
|
|
assert result["sent"] == "0"
|
|
assert "sid" in result
|
|
assert result["lop"] == "NA"
|
|
assert "est" in result
|
|
assert result["to"] == "30000"
|
|
assert "lcxid" not in result
|
|
assert result["lzxid"] == "0xffffffffffffffff"
|
|
assert result["lresp"] == "0"
|
|
assert int(result["llat"]) == 0
|
|
assert int(result["minlat"]) == 0
|
|
assert int(result["avglat"]) == 0
|
|
assert int(result["maxlat"]) == 0
|
|
|
|
finally:
|
|
destroy_zk_client(zk)
|
|
|
|
|
|
def test_cmd_dump(started_cluster):
|
|
zk = None
|
|
try:
|
|
wait_nodes()
|
|
clear_znodes()
|
|
reset_node_stats()
|
|
|
|
zk = get_fake_zk(node1.name, timeout=30.0)
|
|
do_some_action(zk, ephemeral_cnt=2)
|
|
|
|
data = keeper_utils.send_4lw_cmd(cluster, node1, cmd="dump")
|
|
|
|
print("dump output -------------------------------------")
|
|
print(data)
|
|
|
|
list_data = data.split("\n")
|
|
|
|
session_count = int(re.match(r".*[(](.*?)[)].*", list_data[0], re.S).group(1))
|
|
assert session_count == 1
|
|
|
|
assert "\t" + "/test_4lw_ephemeral_node_0" in list_data
|
|
assert "\t" + "/test_4lw_ephemeral_node_1" in list_data
|
|
finally:
|
|
destroy_zk_client(zk)
|
|
|
|
|
|
def test_cmd_wchs(started_cluster):
|
|
zk = None
|
|
try:
|
|
wait_nodes()
|
|
clear_znodes()
|
|
reset_node_stats()
|
|
|
|
zk = get_fake_zk(node1.name, timeout=30.0)
|
|
do_some_action(zk, create_cnt=2, watch_cnt=2)
|
|
|
|
data = keeper_utils.send_4lw_cmd(cluster, node1, cmd="wchs")
|
|
|
|
print("wchs output -------------------------------------")
|
|
print(data)
|
|
|
|
list_data = [n for n in data.split("\n") if len(n.strip()) > 0]
|
|
|
|
# 37 connections watching 632141 paths
|
|
# Total watches:632141
|
|
matcher = re.match(
|
|
r"([0-9].*) connections watching ([0-9].*) paths", list_data[0], re.S
|
|
)
|
|
conn_count = int(matcher.group(1))
|
|
watch_path_count = int(matcher.group(2))
|
|
watch_count = int(
|
|
re.match(r"Total watches:([0-9].*)", list_data[1], re.S).group(1)
|
|
)
|
|
|
|
assert conn_count == 1
|
|
assert watch_path_count == 2
|
|
assert watch_count == 2
|
|
finally:
|
|
destroy_zk_client(zk)
|
|
|
|
|
|
def test_cmd_wchc(started_cluster):
|
|
zk = None
|
|
try:
|
|
wait_nodes()
|
|
clear_znodes()
|
|
reset_node_stats()
|
|
|
|
zk = get_fake_zk(node1.name, timeout=30.0)
|
|
do_some_action(zk, create_cnt=2, watch_cnt=2)
|
|
|
|
data = keeper_utils.send_4lw_cmd(cluster, node1, cmd="wchc")
|
|
|
|
print("wchc output -------------------------------------")
|
|
print(data)
|
|
|
|
list_data = [n for n in data.split("\n") if len(n.strip()) > 0]
|
|
|
|
assert len(list_data) == 3
|
|
assert "\t" + "/test_4lw_normal_node_0" in list_data
|
|
assert "\t" + "/test_4lw_normal_node_1" in list_data
|
|
finally:
|
|
destroy_zk_client(zk)
|
|
|
|
|
|
def test_cmd_wchp(started_cluster):
|
|
zk = None
|
|
try:
|
|
wait_nodes()
|
|
clear_znodes()
|
|
reset_node_stats()
|
|
|
|
zk = get_fake_zk(node1.name, timeout=30.0)
|
|
do_some_action(zk, create_cnt=2, watch_cnt=2)
|
|
|
|
data = keeper_utils.send_4lw_cmd(cluster, node1, cmd="wchp")
|
|
|
|
print("wchp output -------------------------------------")
|
|
print(data)
|
|
|
|
list_data = [n for n in data.split("\n") if len(n.strip()) > 0]
|
|
|
|
assert len(list_data) == 4
|
|
assert "/test_4lw_normal_node_0" in list_data
|
|
assert "/test_4lw_normal_node_1" in list_data
|
|
finally:
|
|
destroy_zk_client(zk)
|
|
|
|
|
|
def test_cmd_csnp(started_cluster):
|
|
zk = None
|
|
try:
|
|
wait_nodes()
|
|
zk = get_fake_zk(node1.name, timeout=30.0)
|
|
data = keeper_utils.send_4lw_cmd(cluster, node1, cmd="csnp")
|
|
|
|
print("csnp output -------------------------------------")
|
|
print(data)
|
|
|
|
try:
|
|
int(data)
|
|
assert True
|
|
except ValueError:
|
|
assert False
|
|
finally:
|
|
destroy_zk_client(zk)
|
|
|
|
|
|
def test_cmd_lgif(started_cluster):
|
|
zk = None
|
|
try:
|
|
wait_nodes()
|
|
clear_znodes()
|
|
|
|
zk = get_fake_zk(node1.name, timeout=30.0)
|
|
do_some_action(zk, create_cnt=100)
|
|
|
|
data = keeper_utils.send_4lw_cmd(cluster, node1, cmd="lgif")
|
|
|
|
print("lgif output -------------------------------------")
|
|
print(data)
|
|
|
|
reader = csv.reader(data.split("\n"), delimiter="\t")
|
|
result = {}
|
|
|
|
for row in reader:
|
|
if len(row) != 0:
|
|
result[row[0]] = row[1]
|
|
|
|
assert int(result["first_log_idx"]) == 1
|
|
assert int(result["first_log_term"]) == 1
|
|
assert int(result["last_log_idx"]) >= 1
|
|
assert int(result["last_log_term"]) == 1
|
|
assert int(result["last_committed_log_idx"]) >= 1
|
|
assert int(result["leader_committed_log_idx"]) >= 1
|
|
assert int(result["target_committed_log_idx"]) >= 1
|
|
assert int(result["last_snapshot_idx"]) >= 1
|
|
finally:
|
|
destroy_zk_client(zk)
|
|
|
|
|
|
def test_cmd_rqld(started_cluster):
|
|
wait_nodes()
|
|
# node2 can not be leader
|
|
for node in [node1, node3]:
|
|
data = keeper_utils.send_4lw_cmd(cluster, node, cmd="rqld")
|
|
assert data == "Sent leadership request to leader."
|
|
|
|
print("rqld output -------------------------------------")
|
|
print(data)
|
|
|
|
if not keeper_utils.is_leader(cluster, node):
|
|
# pull wait to become leader
|
|
retry = 0
|
|
# TODO not a restrict way
|
|
while not keeper_utils.is_leader(cluster, node) and retry < 30:
|
|
time.sleep(1)
|
|
retry += 1
|
|
if retry == 30:
|
|
print(
|
|
node.name
|
|
+ " does not become leader after 30s, maybe there is something wrong."
|
|
)
|
|
assert keeper_utils.is_leader(cluster, node)
|
|
|
|
|
|
def test_cmd_clrs(started_cluster):
|
|
if node1.is_built_with_sanitizer():
|
|
return
|
|
|
|
def get_memory_purges():
|
|
return node1.query(
|
|
"SELECT value FROM system.events WHERE event = 'MemoryAllocatorPurge' SETTINGS system_events_show_zero_values = 1"
|
|
)
|
|
|
|
zk = None
|
|
try:
|
|
wait_nodes()
|
|
|
|
zk = get_fake_zk(node1.name, timeout=30.0)
|
|
|
|
paths = [f"/clrs_{i}" for i in range(10000)]
|
|
|
|
# we only count the events because we cannot reliably test memory usage of Keeper
|
|
# but let's create and delete nodes so the first purge needs to release some memory
|
|
create_transaction = zk.transaction()
|
|
for path in paths:
|
|
create_transaction.create(path)
|
|
create_transaction.commit()
|
|
|
|
delete_transaction = zk.transaction()
|
|
for path in paths:
|
|
delete_transaction.delete(path)
|
|
delete_transaction.commit()
|
|
|
|
# repeat multiple times to make sure MemoryAllocatorPurge isn't increased because of other reasons
|
|
for _ in range(5):
|
|
prev_purges = int(get_memory_purges())
|
|
keeper_utils.send_4lw_cmd(cluster, node1, cmd="clrs")
|
|
current_purges = int(get_memory_purges())
|
|
assert current_purges > prev_purges
|
|
prev_purges = current_purges
|
|
|
|
finally:
|
|
destroy_zk_client(zk)
|