littleking@MEmini:~$ ps aux | grep -E 'magick|convert' | grep -v grep
root 5948 0.0 0.0 2580 1616 ? Ss Dec04 0:00 /bin/sh -c ./converter > /var/apps/trim.docs/var/converter.log 2>&1
root 5961 0.0 0.9 713616 116396 ? Sl Dec04 0:44 ./converter
root 6417 0.0 1.2 804492 146124 ? Sl Dec04 0:16 /vol1/@appmeta/trim.docs/documentserver/server/FileConverter/converter /snapshot/server/FileConverter/sources/convertermaster.js
littleking@MEmini:~$ sudo lsof | grep /tmp/magick-
[sudo] password for littleking:
lsof: no pwd entry for UID 33
lsof: no pwd entry for UID 33
lsof: no pwd entry for UID 33
lsof: no pwd entry for UID 33
lsof: no pwd entry for UID 33
lsof: no pwd entry for UID 33
初步定位是Office预览的问题,OnlyOffice / 文档预览服务在转换 PDF / Office / 图片时,调用 ImageMagick 产生的临时缓存文件。
问题是我在NAS上几乎没使用过Office预览,仅仅是安装了这个软件