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On Tue, Jan 1, 2013 at 2:10 AM, Alec Warner <antarus@g.o> wrote: |
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> flatfile lookups are 2-4ms with hot cache. How much faster is the db |
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> option? |
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I guess it depends on the implementation and how close is the system's |
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operational situation to an ideal one (whether swap started thrashing, |
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etc.). A DB is the proper solution that can be improved if necessary |
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(e.g., keeping often-used parts in RAM). Filesystem where it resides |
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can be offered hardware with lower seek time or better cache. But I |
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agree that it is easy to rationalize bad solutions. I don't like |
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waiting on an "ls -l" in addition to the system not being responsive |
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due to some other reason, though. But maybe I am expecting too much, |
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with even PolKit delegating each query to a full-blown Javascript |
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library nowadays. |
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-- |
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Maxim Kammerer |
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Liberté Linux: http://dee.su/liberte |