ClickHouse client version 25.3.2.39 (official build).
Connecting to localhost:9000 as user default.
Password for user (default):
Connecting to localhost:9000 as user default.
Connected to ClickHouse server version 25.3.2.
Warnings:
* Available memory at server startup is too low (2GiB).
* Maximum number of threads is lower than 30000. There could be problems with handling a lot of simultaneous queries.
* Delay accounting is not enabled, OSIOWaitMicroseconds will not be gathered. You can enable it using `echo 1 > /proc/sys/kernel/task_delayacct` or by using sysctl.
* Linux threads max count is too low. Check /proc/sys/kernel/threads-max