exit codes

[brbaila]

This only exits if it times out or buildindex succeeds. There are other exit codes from the status check right? This should report whatever the exit code is, with a brief explanation (example: exit code 3, there's another job still running).

Also 300*5 isn't much time for production size indexes, not sure if it even makes sense to include a timeout here.

[kongyibjcn]

We know this issue and will refine the build index code ( build index code is very old logic, we just reuse it right now ).

Yes, the if use current build index code, when index build take very long time, the job will failed because time out, but that don't means the index build failed.