-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 11/12/2014 4:22 a.m., Doug Sampson wrote: >> Nothing particularly stands out as leaking. Although the cache >> memory pages (mem_node) in-use size is suspiciously close to half >> what you say the OS is reporting. >> >> That makes me suspect that your OS is rounding up its allocations >> to 8KB of memory for each node. If that is the case the simplest >> workaround is to reduce cache_mem size down to below the point >> where the box will swap. > > Okay, I'll keep dropping the cache_mem down until the system stops > swapping. Hopefully not too much. > > Would it make sense to add additional memory in order to reduce the > possibility of swapping? Say, 1GB more? If you can afford that option, then yes. > >> If you are game for it I have been wondering if we need to >> enable chunking for 64-bit systems. To test that run squid with >> environment variable MEMPOOLS=1. Memory should then be allocated >> in larger blocks, but utilized much more compactly within those >> blocks for an overall saving on objects like mem_node. It is >> currently a rarely used feature though, so I'm not sure if there >> are any issues hiding. >> > > I'm reluctant to do this on a production server. Interfacing with > our customers via social media et al is an important part of our > business. > Sure. No problem. > Nevertheless, I looked into how the MEMPOOLS parameter could be > implemented in a FreeBSD machine. I couldn't find a post that > clearly indicates how to implement it. The nearest reference I > could find was that FreeBSD implements UMA which apparently with my > limited knowledge is a parallel memory implementation of MEMPOOLS. > Correct me if I'm terribly mistaken. > It is a shell environment variable Squid checks for when starting up. Add the line: export MEMPOOLS=1 to the Squid init script, then run the script to restart the proxy. likewise, remove the line and restart to stop using it. NP: you may or may not need the "export" keyword depending on your shell. Amos -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (MingW32) iQEcBAEBAgAGBQJUiHMhAAoJELJo5wb/XPRjx7wIAIkcEUEvdQ+vN5QbtEhBxERK 7iofy58y5BgPkoargu2BkLJXmLd+mAuanJOslL45RAyp1BlBJuDVi+rGX/rGvIBj OOFbnIx99qbyysG4gkZcqu8S3TESzfJyQ8QTFGB39GK69fNXTymcK2+S+3GVLW/P 9u95j9EwMCYw5BZQcd5QJhaoLQqrkQeJ7/7jNXcB/7AEs5Ho4xT07tV66RS9c0BK SUQrYEbYHOx+Xm4dOf2e1oF8JD8ilZ+Hyn+/7+pRMVkbvMN3fq/nG6Ibrhoo2CU+ JcwfK0a7/pgbEiJPb7TDCiaPjIHnkXnyI4d8eBRvEDbLytww3gXuETuqD/1OBFg= =v4R3 -----END PGP SIGNATURE----- _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users
