2시간마다 디스크를 가득 채우는 프로세스는 무엇인가요?

지금 디스크 용량이 320GB이므로 디스크가 가득 찬 것은 아닐 텐데, 그래도 2시간마다 다음과 같은 오류가 발생합니다:

Job exception: PG::DiskFull: ERROR: could not resize shared memory segment "/PostgreSQL.2431023752" to 134217728 bytes: No space left on device CONTEXT: parallel worker
4:31 am
17
Job exception: Failed to open TCP connection to 84.247.3.95:80 (Connection refused - connect(2) for "84.247.3.95" port 80)
5:56 am
Job exception: PG::DiskFull: ERROR: could not resize shared memory segment "/PostgreSQL.4192722046" to 134217728 bytes: No space left on device CONTEXT: parallel worker
6:26 am
Job exception: PG::DiskFull: ERROR: could not resize shared memory segment "/PostgreSQL.175048658" to 134217728 bytes: No space left on device
8:32 am
3
MD Composer Extras theme/component is throwing errors: TypeError: Cannot read properties of null (reading 'es')
8:36 am
86
Unicorn worker received USR2 signal indicating it is about to timeout, dumping backtrace for main thread config/unicorn.conf.rb:203:in `backtrace' config/unicorn.conf.rb:203:in `block (2 levels) in re
8:50 am
Job exception: PG::DiskFull: ERROR: could not resize shared memory segment "/PostgreSQL.2657529202" to 134217728 bytes: No space left on device CONTEXT: parallel worker