Bitbucket uses the Apache SSHD Java library for handling SSH operations.

At the moment there is a hardcoded timeout of 30s for DEFAULT_NIO2_MIN_WRITE_TIMEOUT

This means that the system allows 30 seconds for a write to complete and, if it doesn't, the write times out and the SSH request is aborted.

If for any reason the client pauses/does not consume the output in that time, the operation will end.

Suggestion: Make this property configurable so the timeout can be increased to more than the default 30s