Prefetch all files on clone#56
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derrickstolee merged 2 commits intomicrosoft:masterfrom Aug 15, 2019
derrickstolee:prefetch-on-clone
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Prefetch all files on clone#56derrickstolee merged 2 commits intomicrosoft:masterfrom derrickstolee:prefetch-on-clone
derrickstolee merged 2 commits intomicrosoft:masterfrom
derrickstolee:prefetch-on-clone
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derrickstolee
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Aug 14, 2019
wilbaker
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Aug 14, 2019
Will disable later when doing sparse clone Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
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/azp run microsoft.scalar |
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Azure Pipelines successfully started running 1 pipeline(s). |
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...adding a comment made the Mac functional tests sit forever. Ordering the tests that were not reporting logs fixed the problem... I don't even know anymore. I'll wait until morning for this one. |
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
derrickstolee
commented
Aug 15, 2019
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| // Pick the first one found | ||
| string packFile = packFiles[0]; | ||
| List<FileInfo> fileInfos = packFiles.Select(file => new FileInfo(file)) |
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I was able to repro the functional test hang, and it is related to unpacking the prefetch pack. To fix the problem long-term, we will want to make these tests use the sparse mode, which avoids the prefetch. Temporarily, we can select the smallest pack to turn into loose objects.
This was referenced Aug 16, 2019
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derrickstolee
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Aug 21, 2019
Long term, we will not have a mount, so this feature will eventually be meaningless. In the meantime, it is only causing possible problems with hydrating files. Resolves #26 permanently. In a normal clone, we already resolved it in #56 by prefetching all files on clone. However, we still dynamically prefetch on a sparse clone (#54).
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Will disable later when doing sparse clone. This speeds up our functional tests (and any clone we do for local testing).
With the current count of functional tests, they run in 3-4 minutes instead of 5-7 minutes. As that list grows, this will be even more important.