Comments (4)
Case 1 looks like a bug to me too! No idea why that one's happening--probably needs a test case and digging in to the version & txn graphs generated.
Case 2, agreed, I think we can and should detect this. I'm not exactly sure whether this still qualifies as an internal anomaly--it's actually an external read! But because we assume writes are unique, we know it's reading a value from later in the same transaction, and we should still be able to pick that up in a single pass. If you want to work on this, take a look at elle.list-append/op-internal-case
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We are going to publish some of our experimental results sooner or later. Based on your reply on the above two issues, would it be fair to say that Elle misses these two anomalies?
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Elle detects both of these anomalies.
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We originally tested version 0.1.6 (and further up to 0.1.8) which couldn't find these anomalies. Now with 0.1.9 and beyond, Elle indeed detects both anomalies. I think that's attributed to the following two commits:
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Related Issues (17)
- Example for running test-cases with Elle? HOT 1
- Build fails with `lein check` HOT 4
- Elle checks :fail results? HOT 1
- The rw-register checker succeeds on the history: wx1, rx2.
- Feature: add delete operation HOT 2
- Publish jar files for each release HOT 10
- Could I check a history that with real-time order HOT 7
- Could Elle tell the difference between snapshot isolation and strong-session-snapshot-isolation? HOT 7
- Example with list-append history is broken in 0.1.6 HOT 1
- Elle couldn't check list-append example described in a paper HOT 2
- list-append/sorted-values might be broken with history object HOT 3
- Is there any example on how to use the gen function? HOT 2
- PL-2L(monotonic-view) G-monotonic: experiment with adding the anomaly HOT 2
- Cannot run on the latest version of Clojure on Ubuntu 22.04: reducers.clj is not found HOT 8
- Modeling linearizable keys with the list-append workload HOT 7
- False positive on lost update HOT 2
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