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DAOS-16362: pydaos.torch checkpointing #15691

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DAOS-16362: pydaos.torch checkpointing #15691

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enakta
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@enakta enakta commented Jan 7, 2025 •
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Introducing PyTorch checkpoint interface and user documentation for pydaos.torch module.

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@enakta enakta requested review from a team as code owners January 7, 2025 05:35
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Errors are component not formatted correctly,Ticket number suffix is not a number. See https://daosio.atlassian.net/wiki/spaces/DC/pages/11133911069/Commit+Comments,Unable to load ticket data
https://daosio.atlassian.net/browse/DAOS-16362:

@enakta enakta marked this pull request as draft January 7, 2025 05:36
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Test stage Python Bandit check completed with status FAILURE. https://build.hpdd.intel.com//job/daos-stack/job/daos/view/change-requests/job/PR-15691/1/execution/node/133/log

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Test stage Python Bandit check completed with status FAILURE. https://build.hpdd.intel.com//job/daos-stack/job/daos/view/change-requests/job/PR-15691/2/execution/node/134/log

@0xE0F 0xE0F force-pushed the 0xe0f/pydaos.torch.checkpointing branch from 91c5ab5 to 9edb95b Compare January 7, 2025 06:15
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Test stage Python Bandit check completed with status FAILURE. https://build.hpdd.intel.com//job/daos-stack/job/daos/view/change-requests/job/PR-15691/3/execution/node/134/log

@0xE0F 0xE0F force-pushed the 0xe0f/pydaos.torch.checkpointing branch from 9edb95b to 60a4612 Compare January 7, 2025 06:20
0xE0F added 8 commits January 7, 2025 17:21
@0xE0F
client: initialize DAOS on Dataset creation rather than on module import
28b2d49 
Signed-off-by: Denis Barakhtanov <[email protected]>
@0xE0F
tests: PoC of torch tests
ffdcd72 
Signed-off-by: Denis Barakhtanov <[email protected]>
@0xE0F
client: torch module needs lazy DAOS init
80290e0 
Calling daos_init on Python module import creates challenges for
functional tests (and for some user cases) when DAOS agent is not ready
yet.

Better solution is to try initialize DAOS lib when the Dataset is
created.

Signed-off-by: Denis Barakhtanov <[email protected]>
@0xE0F
ftests: add tests for pydaos.torch.Dataset
cf78260 
Signed-off-by: Denis Barakhtanov <[email protected]>
@0xE0F
client: add checkpoint interface to pydaos.torch
ae0375c 
Signed-off-by: Denis Barakhtanov <[email protected]>
@0xE0F
ftest: torch checkpoint test
44367ba 
Signed-off-by: Denis Barakhtanov <[email protected]>
@0xE0F
docs: for pydaos.torch module
cfb76a4 
Signed-off-by: Denis Barakhtanov <[email protected]>
@0xE0F
Linter fixes
e72b63d 
Ave linters !

Signed-off-by: Denis Barakhtanov <[email protected]>
@0xE0F 0xE0F force-pushed the 0xe0f/pydaos.torch.checkpointing branch from 60a4612 to e72b63d Compare January 7, 2025 06:21
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Test stage Python Bandit check completed with status FAILURE. https://build.hpdd.intel.com//job/daos-stack/job/daos/view/change-requests/job/PR-15691/4/execution/node/135/log

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Test stage Unit Test with memcheck on EL 8.8 completed with status FAILURE. https://build.hpdd.intel.com/job/daos-stack/job/daos/job/PR-15691/3/display/redirect

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Test stage Unit Test bdev on EL 8.8 completed with status FAILURE. https://build.hpdd.intel.com/job/daos-stack/job/daos/job/PR-15691/3/display/redirect

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Test stage Unit Test on EL 8.8 completed with status FAILURE. https://build.hpdd.intel.com/job/daos-stack/job/daos/job/PR-15691/3/display/redirect

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Test stage Unit Test bdev with memcheck on EL 8.8 completed with status FAILURE. https://build.hpdd.intel.com/job/daos-stack/job/daos/job/PR-15691/3/display/redirect

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Test stage Python Bandit check completed with status FAILURE. https://build.hpdd.intel.com//job/daos-stack/job/daos/view/change-requests/job/PR-15691/5/execution/node/135/log

daltonbohning
daltonbohning reviewed Jan 7, 2025
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Mostly nits. Overall looks good!

Since directory_tree.py was modified we should run the test that uses it. You can do that by including this string in future commit messages

Features: DfuseFind

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mchaarawi
mchaarawi previously approved these changes Jan 7, 2025
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the C shim part looks good to me. no changes requested; just some clarifications / comments added.

src/client/pydaos/torch/torch_shim.c Show resolved Hide resolved
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src/client/pydaos/torch/torch_shim.c

assert(hdl->dfs != NULL);

int rc = dfs_lookup(hdl->dfs, path, O_RDONLY, &obj, NULL, &st);
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we can optimize this a bit if the dir path is cached to just call dfs_stat. but for now this is fine.

@enakta @daltonbohning
Apply suggestions from code review
f3eafd1 
Co-authored-by: Dalton Bohning <[email protected]>
Signed-off-by: enakta <[email protected]>
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Test stage Python Bandit check completed with status FAILURE. https://build.hpdd.intel.com//job/daos-stack/job/daos/view/change-requests/job/PR-15691/6/execution/node/133/log

@0xE0F
Fixes for copyright linter
ee14978 
Features: DfuseFind

Signed-off-by: Denis Barakhtanov <[email protected]>
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Test stage Python Bandit check completed with status FAILURE. https://build.hpdd.intel.com//job/daos-stack/job/daos/view/change-requests/job/PR-15691/7/execution/node/134/log

0xE0F added 4 commits January 8, 2025 13:43
@0xE0F
client: pass mode, oflags, class and chunk size to torch shim layer
15a142e 
This allows better flexibility.

Features: DfuseFind

Signed-off-by: Denis Barakhtanov <[email protected]>
@0xE0F
nlt: remove torch tests in favour of functional tests
0f44ee8 
Functional tests for pydaos.torch module is now available.

Features: DfuseFind

Signed-off-by: Denis Barakhtanov <[email protected]>
@0xE0F
torch: uniform way to return error
9c55f68 
No more negative error values.

Features: DfuseFind

Signed-off-by: Denis Barakhtanov <[email protected]>
@0xE0F
ftest: add iterable dataset to tests
6bebeb4 
Features: DfuseFind

Signed-off-by: Denis Barakhtanov <[email protected]>
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Test stage Python Bandit check completed with status FAILURE. https://build.hpdd.intel.com//job/daos-stack/job/daos/view/change-requests/job/PR-15691/8/execution/node/134/log

@0xE0F
linter: oflags -> open_flags
7ececac 
Features: DfuseFind

Signed-off-by: Denis Barakhtanov <[email protected]>
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Test stage Python Bandit check completed with status FAILURE. https://build.hpdd.intel.com//job/daos-stack/job/daos/view/change-requests/job/PR-15691/9/execution/node/134/log

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Test stage Functional on EL 8.8 completed with status FAILURE. https://build.hpdd.intel.com//job/daos-stack/job/daos/view/change-requests/job/PR-15691/9/execution/node/1229/log

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@mjmac mjmac Awaiting requested review from mjmac

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@enakta @daosbuild1 @mchaarawi @jolivier23 @daltonbohning @0xE0F