使用client链接server:clickhouse-client --host localhost --user default --port 9000 --password 123456 //修改密码//1、修改users.xml配置文件sudo vi /etc/clickhouse-server/users.xml//2、找到 <default> 用户部分,然后设置新的明文密码。例如,如果你想将密码设置为 new_password,则修改为:<default> <pass...
-- Used for https server AND secure tcp port --><!-- openssl req -subj "/CN=localhost" -new -newkey rsa:2048 -days 365 -nodes -x509 -keyout /etc/clickhouse-server/server.key -out /etc/clickhouse-server/server.crt --><!-- <certificateFile>/etc/clickhouse-server/server.crt</certif...
#将容器内部的特定端口映射到主机端口来公开在Docker中运行的ClickHouse$dockerrun-d-p18123:8123-p19000:9000--namesome-clickhouse-server--ulimitnofile=262144:262144 clickhouse/clickhouse-server $echo'SELECT version()'|curl'http://localhost:18123/'--data-binary @-#允许容器直接使用主机端口$dockerrun-d-...
--decimal_check_overflow arg Check overflow of decimal arithmetic/comparison operations --prefer_localhost_replica arg If it's true then queries will be always sent to local replica (if it exists). If it's false then replica to send a query will be chosen between local and remote ones acco...
默认情况下,使用default用户并不携带密码连接到localhost:9000。还可以使用--host参数连接到指定服务器。 终端必须使用UTF-8编码。 更多信息,请参阅Command-line client。 示例: $ ./clickhouse-clientClickHouse client version 0.0.18749.Connecting to localhost:9000.Connected to ClickHouse server version 0.0.1874...
Connecting to localhost:9000 as user admin. Connected to ClickHouse server version 21.6.6 revision 54448. 3.1 readonly mode设置 如果要设置一个只读用户,可以修改user.xml里用户的标签属性。我们先看一下官方配置文件的说明: <profiles> <!-- Default settings. --> <default> <!-- Maximum memory ...
Connecting to localhost:9000 as user default. Connected to ClickHouse server version 20.3.5 revision 54433. dba :) set profile = 'test' SET profile = 'test' Ok. rows in set. Elapsed: 0.002 sec. dba :) set max_memory_usage = 123123 ...
localhost:)insert into`test`.`memory_test`select*mysql('192.168.1.1:3306','test','memory_test','root','xxxx');Received exception fromserver(version20.8.12):Code:241.DB::Exception:Received from127.0.0.1:9000.DB::Exception:Memorylimit(total)exceeded:would use35.96GiB(attempt to allocate chunk...
clickhouse-benchmark支持对比测试,此时需要通过此参数声明两个服务端的地址。然后生成上述的报告。在对比测试中,clickhouse-benchmark会通过抽样的方式比较两组查询指标的差距,默认的置信区间为99.5%。 # echo "SELECT * FROM system.numbers LIMIT 100" | clickhouse-benchmark -i 5 -h localhost -h localhost Load...
clickhouse-client -h localhost --port 9001 -u default --password ps123 --database default; clickhouse-client的常用参数:1、-C:--config-file 配置文件目录2、-c:--config 配置文件目录3、-h:--host 服务器ip地址4、--port: 指定端口5、-u:--user 指定用户名6、--password: 指定密码7、--ask-...