scripts: not start collector in onebox by default; not exit -1 but exit 0 when test fail; update rdsn (#72)

collector: do not send email when email address is not provided; start collector in onebox; improve config to support collector (#70)

replication: updata rdsn; fix brief_stat_mapper;  add manual_compact.disabled env to disable and cancel manual compaction; refactor pegasus_manual_compact.sh (#66)

pegasus_server: improve rocksdb options under PREFER_WRITE usage scenario to avoid flush and compaction peek (#62)

 *: update rdsn; add pegasus_event_listener; add some counters; fix run.sh; limit kill_test log size (#56)

* automatically execute manual compact by set envs.
* add unit test for pegasus server.

pegasus_server_impl: support update_app_envs; improve rocksdb default options; add scripts/pegasus_set_usage_scenario.sh (#18)

Summary: Ref T10562

Test Plan: N/A

Reviewers: qinzuoyan, cailiuyang

Reviewed By: qinzuoyan

Subscribers: #pegasus

Maniphest Tasks: T10562

Differential Revision: https://phabricator.d.xiaomi.net/D89719

Summary: Ref T10570

Test Plan: N/A

Reviewers: sunweijie, cailiuyang, laiyingchun, heyuchen, wutao1

Reviewed By: cailiuyang

Subscribers: #pegasus

Maniphest Tasks: T10570

Differential Revision: https://phabricator.d.xiaomi.net/D89568