memcached deletes

[Ian Spare]

I've been looking at the stats on my nginx/pagespeed/memcahced install and I wondered why there's no deletes?

memcached_async_deletes    0    0
memcached_async_hits    81219    1
memcached_async_inserts    38823    1
memcached_async_misses    108819    1
memcached_blocking_deletes    0    0
memcached_blocking_hits    47853    1
memcached_blocking_inserts    10843    1
memcached_blocking_misses    35220    1

My memcached segment is full and the internal memcached stats also say no deletes. That's after 44 days.

If the segment is full, wouldn't it be expected to see some deletes? hits and misses do seem to be incrementing

[Jeff Kaufman]

PageSpeed doesn't delete anything from memcache. Instead it keeps
inserting, and memcached will evict older entries as needed.

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[Ian Spare]

That's interesting, I'll look more carefully at what memcached is doing!

Thanks!