我已经为db进行了转储，它使Postgresql的内存不足。 我已经重新启动postgresql但它无法重新启动。并继续给我错误
[FAIL] Starting PostgreSQL 9.4 database server: main[....] The PostgreSQL server failed to start. Please check the log output: ... failed!
failed!
并且在日志文件中有以下行
2017-05-05 05:49:25 UTC LOG: could not close temporary statistics file "pg_stat_tmp/global.tmp": No space left on device
2017-05-05 05:49:30 UTC LOG: using stale statistics instead of current ones because stats collector is not responding
2017-05-05 05:49:35 UTC LOG: using stale statistics instead of current ones because stats collector is not responding
2017-05-05 05:49:35 UTC LOG: could not close temporary statistics file "pg_stat_tmp/db_0.tmp": No space left on device
2017-05-05 05:49:35 UTC LOG: could not write temporary statistics file "pg_stat_tmp/db_85990.tmp": No space left on device
2017-05-05 05:49:35 UTC LOG: could not close temporary statistics file "pg_stat_tmp/global.tmp": No space left on device
2017-05-05 05:49:40 UTC LOG: could not close temporary statistics file "pg_stat_tmp/db_0.tmp": No space left on device
2017-05-05 05:49:40 UTC LOG: could not close temporary statistics file "pg_stat_tmp/global.tmp": No space left on device
2017-05-05 05:49:45 UTC LOG: using stale statistics instead of current ones because stats collector is not responding
如果有人可以帮我解决这个问题。 感谢。