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14th January 2012, 08:33 PM   |  #4  
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Documentation on "dangerous" features:

Per-File fsync() disable:
This allows you to disable per-file write forced syncs. (e.g. if an app tries to force a write straight to disk, it'll just go to cache). This achieves the same goal as the modded sqlite hacks seen in tweaks such as USAS, however it can be disabled at runtime.

WARNING: THIS CAN CAUSE DATA LOSS OR CORRUPTION IN A CRASH

To enable, do the following in a terminal, or add it to an init.d script (look at my ondemand script as an example):
Code:
echo "1" > /sys/module/sync/parameters/fsync_disabled
And to disable (return to the default):
Code:
echo "0" > /sys/module/sync/parameters/fsync_disabled
Good for around 200 points of epeen in the database benchmarks in Antutu or 500-600 points of epeen in Quadrant. Real-world benefit: Probably not worth the data integrity risk, but you've got a choice now.
Last edited by Entropy512; 22nd January 2012 at 09:08 PM.
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