在VitualBox Centos7（1804版）上，按照 Fecshop Docker文档安装，第一次 docker-compose up 时有报错信息，不知原因：
xunsearch_1 | 2018-09-01 16:22:36 searchd[14] ALERT spawned child worker[1] (PID:15)
xunsearch_1 | 2018-09-01 16:22:36 searchd[14] ALERT spawned child worker[2] (PID:16)
xunsearch_1 | 2018-09-01 16:22:36 searchd[14] ALERT spawned child worker[3] (PID:17)
xunsearch_1 | 2018-09-01 16:22:36 ~master[14] NOTICE ready for system signal (WORKER_NUM:3)
xunsearch_1 | 2018-09-01 16:22:36 worker1[15] ALERT worker server start
xunsearch_1 | 2018-09-01 16:22:36 worker1[15] NOTICE event loop start (EVENT:0x0002, FLAG:0x0004)
xunsearch_1 | 2018-09-01 16:22:36 worker2[16] ALERT worker server start
xunsearch_1 | 2018-09-01 16:22:36 worker2[16] NOTICE event loop start (EVENT:0x0002, FLAG:0x0004)
xunsearch_1 | 2018-09-01 16:22:36 worker3[17] ALERT worker server start
xunsearch_1 | 2018-09-01 16:22:36 worker3[17] NOTICE event loop start (EVENT:0x0002, FLAG:0x0004)
xunsearch_1 | tail: unrecognized file system type 0x794c7630 for 'tmp/docker.log'. please report this to bug-coreutils@gnu.org. reverting to polling
......
xunsearch_1 | 2018-09-01 17:22:37 indexd[10] NOTICE spawn a logging process (IMPORT_NUM:1, PID:37, USER:NULL)
xunsearch_1 | 17:22:37 logging[37] ALERT >> running in scan mode (HOME:data/, STAT_TAG:2018-W35)
xunsearch_1 | 2018-09-01 17:22:37 indexd[10] ERROR failed to find db by pid (PID:37)
xunsearch_1 | 2018-09-01 19:22:42 indexd[10] NOTICE spawn a logging process (IMPORT_NUM:1, PID:38, USER:NULL)
xunsearch_1 | 19:22:42 logging[38] ALERT >> running in scan mode (HOME:data/, STAT_TAG:2018-W35)
xunsearch_1 | 2018-09-01 19:22:42 indexd[10] ERROR failed to find db by pid (PID:38)
xunsearch_1 | 2018-09-01 21:22:47 indexd[10] NOTICE spawn a logging process (IMPORT_NUM:1, PID:39, USER:NULL)
xunsearch_1 | 21:22:47 logging[39] ALERT >> running in scan mode (HOME:data/, STAT_TAG:2018-W35)
xunsearch_1 | 2018-09-01 21:22:47 indexd[10] ERROR failed to find db by pid (PID:39)
xunsearch_1 | 2018-09-01 23:22:52 indexd[10] NOTICE spawn a logging process (IMPORT_NUM:1, PID:40, USER:NULL)
xunsearch_1 | 23:22:52 logging[40] ALERT >> running in scan mode (HOME:data/, STAT_TAG:2018-W35)
xunsearch_1 | 2018-09-01 23:22:52 indexd[10] ERROR failed to find db by pid (PID:40)