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From "Armando Miraglia (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (GIRAPH-825) Fix DiskBackedPartitionStore to work with current trunk
Date Mon, 21 Apr 2014 21:35:18 GMT

     [ https://issues.apache.org/jira/browse/GIRAPH-825?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Armando Miraglia updated GIRAPH-825:
------------------------------------

    Attachment: GIRAPH-825.patch

Tests:
a) Page Rank with a random generated graph with Watts-Strogatz of 1M vertices and 50M edges.
Tried both with single and multiple threads also checking the output results. Tried both with
isStatic false and true.
b) Page Rank with random graph stored on disk with 1M vertices and 50M edges. Tried both with
single and multiple threads also checking the output results. Tried both with isStatic false
and true.
a) Shortest Path with a random generated graph with Watts-Strogatz of 1M vertices and 50M
edges. Tried both with single and multiple threads also checking the output results. Tried
both with isStatic false and true.
b) Shortest Path with random graph stored on disk with 1M vertices and 50M edges. Tried both
with single and multiple threads also checking the output results. Tried both with isStatic
false and true.

in all cases I have tested with 1000 Partitions per worker and 50 in memory partitions. Checked
also that the number of sticky partitions was 35 and that LRU data structure never exceeded
15 entries.

> Fix DiskBackedPartitionStore to work with current trunk
> -------------------------------------------------------
>
>                 Key: GIRAPH-825
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-825
>             Project: Giraph
>          Issue Type: Bug
>    Affects Versions: 1.1.0
>            Reporter: Armando Miraglia
>            Assignee: Armando Miraglia
>              Labels: ooc
>             Fix For: 1.1.0
>
>         Attachments: GIRAPH-825.patch
>
>
> With the current trunk, DiskBackedPartitionStore does not correctly work due a change
of semantic. The patch for this should fix it including currently open issues.



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