cached data to be written to disk

[Willy K. Hamra]

hello list,
is there any program to check the quantity of the data cached in memory
awaiting to be written to disk? or even better, watch a graph og IO
operations per application? for example, in Proces Explorer on windows,
i can add a column of IO graph, which shows each process' IO in a graph
beside itm any such tool on linux?
i believe most of my bottlenecks, and the few firefox freezes i'm
suffering are IO related, when FF is waiting for it's data to be
written, it hangs, and starts eating memory in HUGE quantities till the
freeze is over.
-- 
Willy K. Hamra
Manager of Hamra Information Systems
Co. Manager of Zeina Computer & Billy Net

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