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Improve performance of DiskWriter when working with small packet formats #251

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jaycedowell opened this issue Nov 26, 2024 · 3 comments
Open

Improve performance of DiskWriter when working with small packet formats #251

jaycedowell opened this issue Nov 26, 2024 · 3 comments

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@jaycedowell
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The DiskWriter seems to have performance problems when writing small packet formats. We can probably fix this by moving to writev, similar to what we for sending UDP packets with sendmmsg.
@jaycedowell
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I'm working on this in https://github.com/ledatelescope/bifrost/tree/disk_writev.

@jaycedowell
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Maybe I'll also pull in #252 as part of this.

@jaycedowell jaycedowell mentioned this issue Dec 9, 2024
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@jaycedowell
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Rolled in from #252:

thors_hammer.py is a script I put together to help tune a generic DiskWriter to get the best disk throughput. Although I cannot take credit for the name (thanks @jack-h) I think it could become a useful tool for inclusion with Bifrost.

jaycedowell added a commit that referenced this issue Dec 9, 2024
@jaycedowell
Various cleanups to make the script a little nicer to use (#251).
af9c5dc
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@jaycedowell