Added by Bin Yuan about 1 year ago. Updated about 1 year ago.
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Description
The relayd spawned by lttng-create command don't close the file descriptor such like stdout.
Why not spawn the relayd with "--daemonize" option.
No particular reason that I know of. I think it's mostly due to the fact that the client wouldn't log errors that cause the relay daemon to fail to launch if --daemonize was used.
It would be an improvement for sure, but the client would need to synchronize with the relay daemon somehow to report early launch errors.
Jérémie Galarneau wrote in #note-1:
No particular reason that I know of. I think it's mostly due to the fact that the client wouldn't log errors that cause the relay daemon to fail to launch if
--daemonizewas used.It would be an improvement for sure, but the client would need to synchronize with the relay daemon somehow to report early launch errors.
Ok, I found a way to work around, just lanuching relayd with deamon option firstly before the session creation.