00:03.05 | joshin | Does anyone know why "FS_SYNC=y" is set in openzaurus-sa kernel builds? After doing some reading, it seems that that option dramatically slows down SD speeds. |
00:06.20 | Cwiiis | joshin: It means that ejecting the SD card at any time is generally safe |
00:06.30 | treke|laptop | joshin: You don't want to do async writing with a removable device :p |
00:06.55 | treke|laptop | If the card is pulled when you think writing is finished, but it isn't, you end up with a corrupt data |
00:07.07 | joshin | I understand that but if you never remove the card, you shouldn't care much. |
00:07.30 | treke|laptop | It shouldn't affect write speed much anyways |
00:08.16 | joshin | Perhaps but with the 32k/s I'm getting now anything would be better. ;) |
00:09.37 | treke|laptop | I'd be surprised if it went up to 33 :p |
00:10.04 | joshin | I'll let you know... :) |
00:23.42 | joshin | Using Opie's sysinfo benchmark -> 32kb/sec -> 60kb/sec |
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03:32.41 | treke|ho1e | ibot: am I here? |
03:32.42 | ibot | treke|ho1e: I give up, what is it? |
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03:37.49 | joshin | treke|ho1e: Did you see my results from unsetting FD_SYNC? SD performance went from 32kb/s to 60kb/s. |
03:38.00 | treke|ho1e | no i didnt |
03:38.03 | treke|ho1e | surprising |
03:38.40 | treke|ho1e | well you're welcome to disable it for your builds :) |
03:38.50 | treke|ho1e | I doubt we'll switch the main builds over for saftey |
03:39.07 | joshin | I thought so. But both sets of tests were done on freshly rebooted systems to try and minimize variable changes. |
03:39.46 | joshin | I don't think I'd recommend doing that either unless the main builds deliberately set the mounts to be sync in the fstab. |
03:40.54 | joshin | Which is what I did for my CF card's entry. Just figured you'd be (a little) interested in the results. |
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03:45.29 | treke|ho2e | this is getting old |
03:45.29 | treke|ho2e | quickly |
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05:09.07 | mithro-- | i found out where all my disk space was going! |
05:09.14 | mithro-- | to a few old copies of buildroot |
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07:48.28 | treke|ho1e | intersting |
07:48.36 | treke|ho1e | someone at johnson and johnson is using OE |
07:49.07 | treke|ho1e | raise your hand if it's you |
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08:11.20 | ljp | where do you see that? |