On Feb 02 2016, Cliff Stanford <[email protected]> wrote:
> Here are two consecutive readings from s3qlstat on an Amazon S3 store
> that is being written to:
>
> Directory entries: 6011
> Inodes: 6015
> Data blocks: 351716
> Total data size: 3.40 TB
> After de-duplication: 3.33 TB (97.83% of total)
> After compression: 3.33 TB (97.73% of total, 99.90% of de-duplicated)
> Database size: 49.6 MiB (uncompressed)
> Cache usage: 39.1 GiB (dirty: 8.58 MiB)
>
> Directory entries: 6012
> Inodes: 6016
> Data blocks: 351778
> Total data size: 3.40 TB
> After de-duplication: 3.33 TB (97.83% of total)
> After compression: 3.33 TB (97.73% of total, 99.90% of de-duplicated)
> Database size: 49.6 MiB (uncompressed)
> Cache usage: 39.1 GiB (dirty: 11.9 MiB)
>
> My question is this: It seems clear that at least 3.1 MiB has been
> written
That's not clear to me. Why do you think so? If you're looking at 11.9
MB - 8.58 MB, that is amount of data that has been stored in the file
system *minus* the amount of data that has been uploaded. So you may
have stored an additional 50 MB, while S3QL has uploaded 46.9 MB.
> so why has the cache usage not gone up?
Assuming that you indeed wrote 3.1 MB, why should it go up? It's
currently at 39.1 GiB - a difference of 3.1 MB would be in the third
digit after the decimal point.
> mount.s3ql was called
> with:
>
> --allow-other --fg --metadata-upload-interval 3600 --compress none
> --cachesize 524288000
>
> and mount.log reports:
>
> s3ql.mount.main: Setting cache size to 1404564 MB
>
> Also why is it saying a 1.3 TB cache size when I requested 500 GB?
I'm again puzzled. It says that it *used* 39.1 GB (out of the available
500 GB). I don't see1.3 TB mentioned anywhere at all.
(No Cc on replies please, I'm reading the list)
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