llnl / llnl/Privateer

Threaded Snapshot Page Eviction Failing Case

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#8 2 comments 0 reactions 0 assignees View on GitHub
Dominant language
C++
Stars
5
Forks
6
PR merge metrics
No merged PRs in 30d

Description

The iteration values have been lowered for the threaded random sparse snapshot tests to run correctly, and I have found a Privateer error for region sizes of 8 MB and max block sizes of 1 and 2. (parameters where the stash is utilized and page eviction occurs)

The error below is encountered when running the test.
block_storage: Error writing block to stash file - Bad address

Contributor guide

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Research direction

Start by running the threaded random sparse snapshot tests for an 8 MB region with maximum block sizes of 1 and 2, where the stash is used and page eviction occurs. Trace the stash-file write that reports “Bad address”; done means the failing case completes without the block_storage error.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
databases
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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