php-fpm core file

<cweiske> Hi. I'm using nginx + php-fpm and have a 110mib file called "core" in the document root.
 "file" says it's a "LSB core file":
 core: ELF 64-bit LSB core file x86-64, version 1 (SYSV), SVR4-style, from 'php-fpm: pool www'
<cweiske> is that the remnant of a crash?
<cweiske> $ man 5 core
<cweiske> By default,  a core dump file is named core,