avro-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Scott Carey (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AVRO-989) Java: Improve Builder performance in Specific API
Date Thu, 05 Jan 2012 23:03:39 GMT
Java:  Improve Builder performance in Specific API
--------------------------------------------------

                 Key: AVRO-989
                 URL: https://issues.apache.org/jira/browse/AVRO-989
             Project: Avro
          Issue Type: Improvement
          Components: java
            Reporter: Scott Carey


The Specific API generates Builder objects for each record.  This builder uses a boolean[]
to store flags for each field to indicate whether the field is set or not.

This is not space efficient, a boolean[] takes 16 bytes plus one byte per field, rounded up
to the nearest 8 byte interval. 

This can be improved on by using BitSet for large records, and bitmasks on an int for records
with less than 32 fields.

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira

        

Mime
View raw message