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From Nges B <nges.br...@gmail.com>
Subject Re: [jira] [Updated] (AVRO-1760) Thread scalability problem with the use of SynchronizedMap
Date Sun, 17 Jan 2016 15:21:12 GMT
Hello,
I have been here for quite sometime and rally interested in the avro C
 API project.
I will really like to do some work on it. I have been to the Bug
tracker and there is no recent bug on it .
Please where can I start?
Thanks


On 1/16/16, Mulugeta Mammo (JIRA) <jira@apache.org> wrote:
>
>      [
> https://issues.apache.org/jira/browse/AVRO-1760?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
> ]
>
> Mulugeta Mammo updated AVRO-1760:
> ---------------------------------
>     Attachment: AVRO-1760.pdf
>
> added performance comparison document.
>
>> Thread scalability problem with the use of SynchronizedMap
>> ----------------------------------------------------------
>>
>>                 Key: AVRO-1760
>>                 URL: https://issues.apache.org/jira/browse/AVRO-1760
>>             Project: Avro
>>          Issue Type: Improvement
>>          Components: java
>>    Affects Versions: 1.7.4, 1.7.5, 1.7.6, 1.7.7, 1.8.0, 1.8.1, 1.9.0
>>            Reporter: Mulugeta Mammo
>>            Assignee: Tom White
>>            Priority: Critical
>>              Labels: patch, performance
>>             Fix For: 1.8.0
>>
>>         Attachments: AVRO-1760.patch, AVRO-1760.patch, AVRO-1760.patch,
>> AVRO-1760.pdf
>>
>>
>> While running Adam Genomics (which uses Avro) on Apache Spark, we
>> discovered that threads (tasks in Spark Context) block in Avro while
>> executing the getDefaultValue(Field field) method in
>> https://github.com/apache/avro/blob/trunk/lang/java/avro/src/main/java/org/apache/avro/generic/GenericData.java
>
>
>
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