PCT-637: use buffer 1 for listener chan; timeout 1s instead of 0s; See dicussion: https://github.com/percona/percona-agent/pull/59#discussion_r14302553
PCT-637: use buffer 1 for listener chan; timeout 1s instead of 0s;
See dicussion: https://github.com/percona/percona-agent/pull/59#discussion_r14302553

vadimtk/metrics-agent,vadimtk/metrics-agent