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Firefox Memory Leak Considered a “Feature”

Firefox‘Inside Firefox’ addressed complaints about the Firefox 1.5 memory leak today saying that in reality, it is “a feature.”

The post goes on to explain the feature thusly:

“To improve performance when navigating (studies show that 39% of all page navigations are renavigations to pages visited < 10 pages ago, usually using the back button), Firefox 1.5 implements a Back-Forward cache that retains the rendered document for the last few session history entries. This can be a lot of data. It's a trade-off. What you get out of it is faster performance as you navigate the web."

So there you have it.

For more information about how the leak works – check out Inside Firefox.

Posted by Sean

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