You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@avro.apache.org by "Zoltan Farkas (JIRA)" <ji...@apache.org> on 2015/08/31 16:03:46 UTC
[jira] [Commented] (AVRO-1641) parser.java stack expansion probably
not as intended
[ https://issues.apache.org/jira/browse/AVRO-1641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14723430#comment-14723430 ]
Zoltan Farkas commented on AVRO-1641:
-------------------------------------
This patch has a non-trivial performance impact, it would be great if this one liner be integrated by somebody....
> parser.java stack expansion probably not as intended
> ----------------------------------------------------
>
> Key: AVRO-1641
> URL: https://issues.apache.org/jira/browse/AVRO-1641
> Project: Avro
> Issue Type: Bug
> Affects Versions: 1.7.7, 1.8.0
> Reporter: Zoltan Farkas
> Priority: Minor
>
> at Parser.java line 65 (https://github.com/apache/avro/blob/trunk/lang/java/avro/src/main/java/org/apache/avro/io/parsing/Parser.java#L65):
> private void expandStack() {
> stack = Arrays.copyOf(stack, stack.length+Math.max(stack.length,1024));
> }
> should probably be:
> private void expandStack() {
> stack = Arrays.copyOf(stack, stack.length+Math.min(stack.length,1024));
> }
> This expansion probably is intended to grow exponentially up to 1024, and not exponentially after 1024...
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)