This is a weird one; we have a collection with 51 million records that we need to mirror to postgres and we kept hitting the CURSOR_NOT_FOUND exception. As recommended on https://github.com/mongodb/mongo-ruby-driver/wiki/FAQ#i-keep-getting-cursor_not_found-exceptions-whats-happening I tried adding the :timeout => false parameter, which did not change anything. However, once I additionally removed the "with_retries" around it everything works. I don't know why that would break it, I'm not much of a ruby guy, but it doesn't seem to be doing anything near as important as getting all entries in a large collection, so unless you have a suggestion for another way to fix this I suggest this fix.
This is a weird one; we have a collection with 51 million records that we need to mirror to postgres and we kept hitting the CURSOR_NOT_FOUND exception. As recommended on https://github.com/mongodb/mongo-ruby-driver/wiki/FAQ#i-keep-getting-cursor_not_found-exceptions-whats-happening I tried adding the
:timeout => false
parameter, which did not change anything. However, once I additionally removed the "with_retries" around it everything works. I don't know why that would break it, I'm not much of a ruby guy, but it doesn't seem to be doing anything near as important as getting all entries in a large collection, so unless you have a suggestion for another way to fix this I suggest this fix.