Re: Re: Large Objects
От | Alessio Bragadini |
---|---|
Тема | Re: Re: Large Objects |
Дата | |
Msg-id | 39C9FD17.FB75896A@albourne.com обсуждение исходный текст |
Ответ на | Re: Large Objects (Tim Kientzle <kientzle@acm.org>) |
Ответы |
Re: Re: Large Objects
|
Список | pgsql-general |
Neil Conway wrote: > > a BLOB. Conversely, Unix filesystems store directories as unsorted > > lists, which are a lot slower to search than the database's > > structured indexes. > Wow, can anyone confirm this (with Postgres preferrably)? In talking > with some developers at my old job, they all agreed that storing large > pieces of data (1k < x < 16K) was significantly faster on the FS than I believe he's talking about storing all files in the same directory, which is simply The Wrong Way for a number of reasons. While saving a large number of external files, we use a sub-dir structure in the form /data/f4/d3/12/myfile.bin in order to spread the number of files in a tree pseudorandomly. This is the same approach used by the Squid webcache. -- Alessio F. Bragadini alessio@albourne.com APL Financial Services http://village.albourne.com Nicosia, Cyprus phone: +357-2-755750 "It is more complicated than you think" -- The Eighth Networking Truth from RFC 1925
В списке pgsql-general по дате отправления: