Page History
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| first access | second access | delta | ||
|---|---|---|---|---|---|
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="479d33460a3b32ab-8cd03df5-40744c85-8a4c8e87-e3710ed8d3fe7f099c59d89a"><ac:plain-text-body><![CDATA[ | file size | elapsed [s] | elapsed [s] | [s] | ]]></ac:plain-text-body></ac:structured-macro> |
31680 | 115 | 2 | 113 | ||
555840 | 107 | 2 | 105 | ||
1167944991 | 122 | 13 | 109 | ||
28304089310 | 600 | 307 | 293 | ||
23764091017 | 488 | 257 | 231 |
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All 377 files were read from the tape H0000700, except the first file as this one was split across two tapes. One client was used to read the file sequentially. The checksum and size of the transfered files matched the ones obtained from the xrootd cluster.
The lower figure below shows the elapsed time for each transfer versus the file size. The blue line shows the relation between elapsed time and file size to be:
Wiki Markup
The 1.5 as well as the 45 approximate values.
The upper figure shows the elapsed time subtracted by the expected transfer time. The expected transfer time was assumed to be the file size divided by 45MB/s.
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