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From "Peter Schuller (Updated) (JIRA)" <>
Subject [jira] [Updated] (CASSANDRA-3948) SequentialWriter doesn't fsync() before posix_fadvise()
Date Wed, 29 Feb 2012 09:59:57 GMT


Peter Schuller updated CASSANDRA-3948:

    Attachment: CASSANDRA-3948-trunk.txt

Suggesting attached patch to rename the variable to reflect this (trunk only, since no functional
> SequentialWriter doesn't fsync() before posix_fadvise()
> -------------------------------------------------------
>                 Key: CASSANDRA-3948
>                 URL:
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Peter Schuller
>            Assignee: Pavel Yaskevich
>             Fix For: 1.1.0
>         Attachments: CASSANDRA-3948-trunk.txt
> This should make the fadvising useless (mostly). See CASSANDRA-1470 for why, including
links to kernel source. I have not investigated the history of when this broke or whether
it was like from the beginning.
> For the record I have not confirmed this by testing, only by code inspection. I happened
to notice it working on other things, so there is some chance that I'm just mis-reading the

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