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https://issues.apache.org/jira/browse/OAK-9936?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17605200#comment-17605200
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Miroslav Smiljanic commented on OAK-9936:
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[~jelmini] thank you for this valuable contribution. I have merged the PR.
> Optimize AzureJournalWriter#batchWriteLines()
> ---------------------------------------------
>
> Key: OAK-9936
> URL: https://issues.apache.org/jira/browse/OAK-9936
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: segment-azure
> Affects Versions: 1.44.0
> Reporter: Carlo Jelmini
> Assignee: Miroslav Smiljanic
> Priority: Major
>
> The implementation of {{AzureJournalWriter#batchWriteLines}} (inside
> {{{}AzureJournalFile{}}}) is very inefficient. If the batch size is high, it
> can take minutes to complete. The issue is that {{batchWriteLines()}} simply
> delegates to {{{}writeLine(){}}}, which uploads each single line (and
> metadata) to the blob.
> We should implement {{batchWriteLines() }}by uploading multiple lines in one
> call.
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