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https://issues.apache.org/jira/browse/TEPHRA-201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15733365#comment-15733365
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ASF GitHub Bot commented on TEPHRA-201:
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Github user asfgit closed the pull request at:
https://github.com/apache/incubator-tephra/pull/23
> In-progress transactions may become visible when transactions are checkpointed
> ------------------------------------------------------------------------------
>
> Key: TEPHRA-201
> URL: https://issues.apache.org/jira/browse/TEPHRA-201
> Project: Tephra
> Issue Type: Bug
> Components: core
> Affects Versions: 0.8.0-incubating, 0.9.0-incubating
> Reporter: Poorna Chandra
> Assignee: Poorna Chandra
> Priority: Blocker
> Fix For: 0.10.0-incubating
>
>
> When a transaction is created, the current in-progress list is attached to
> the transaction object. This list is used to filter out in-progress
> transactions during read.
> The transaction object expects this list to be sorted numerically since it
> does a binary search for filtering out the in-progress transactions.
> When checkpointing feature was added in TEPHRA-96, checkpoints were also
> added as part of the in-progress list since data writes from checkpoints also
> have to be filtered out during reads. However adding checkpoints broke the
> sort order. This leads to binary search not working as expected to filter out
> in-progress transactions.
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