Extension updater Scalability issue

java.lang.OutOfMemoryError: Java heap spacejava.lang.OutOfMemoryError: Java heap space at java.util.Arrays.copyOfRange(Arrays.java:3664) at java.lang.String.<init>(String.java:207) at java.lang.AbstractStringBuilder.substring(AbstractStringBuilder.java:936) at java.lang.StringBuilder.substring(StringBuilder.java:76) at org.xwiki.rendering.wikimodel.internal.xwiki.xwiki21.javacc.XWikiScanner.normalizeMacroContent(XWikiScanner.java:167) at org.xwiki.rendering.wikimodel.internal.xwiki.xwiki21.javacc.XWikiScanner.macro(XWikiScanner.java:416) at org.xwiki.rendering.wikimodel.internal.xwiki.xwiki21.javacc.XWikiScanner.docElements(XWikiScanner.java:294) at org.xwiki.rendering.wikimodel.internal.xwiki.xwiki21.javacc.XWikiScanner.doParse(XWikiScanner.java:220) at org.xwiki.rendering.wikimodel.internal.xwiki.xwiki21.javacc.XWikiScanner.parse(XWikiScanner.java:53) at org.xwiki.rendering.wikimodel.xwiki.xwiki21.XWikiParser.parse(XWikiParser.java:44) at org.xwiki.rendering.internal.parser.wikimodel.AbstractWikiModelParser.parse(AbstractWikiModelParser.java:130) at org.xwiki.rendering.internal.parser.wikimodel.AbstractWikiModelParser.parse(AbstractWikiModelParser.java:95) at org.xwiki.rendering.internal.macro.DefaultMacroContentParser.createXDOM(DefaultMacroContentParser.java:113) at org.xwiki.rendering.internal.macro.DefaultMacroContentParser.parse(DefaultMacroContentParser.java:102) at org.xwiki.rendering.internal.macro.DefaultMacroContentParser.parse(DefaultMacroContentParser.java:83) at org.xwiki.rendering.macro.script.AbstractScriptMacro.parseSourceSyntax(AbstractScriptMacro.java:308) at org.xwiki.rendering.macro.script.AbstractScriptMacro.parseScriptResult(AbstractScriptMacro.java:212) at org.xwiki.rendering.macro.script.AbstractScriptMacro.evaluateBlock(AbstractScriptMacro.java:291) at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:182) at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:58) at org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transform(MacroTransformation.java:297) at org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:183) at org.xwiki.rendering.internal.transformation.DefaultTransformationManager.performTransformations(DefaultTransformationManager.java:101) at org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:263) at org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:133) at org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:58) at org.xwiki.display.internal.DefaultDocumentDisplayer.display(DefaultDocumentDisplayer.java:96) at org.xwiki.display.internal.DefaultDocumentDisplayer.display(DefaultDocumentDisplayer.java:39) at org.xwiki.sheet.internal.SheetDocumentDisplayer.display(SheetDocumentDisplayer.java:123) at org.xwiki.sheet.internal.SheetDocumentDisplayer.display(SheetDocumentDisplayer.java:52) at org.xwiki.display.internal.ConfiguredDocumentDisplayer.display(ConfiguredDocumentDisplayer.java:68) at org.xwiki.display.internal.ConfiguredDocumentDisplayer.display(ConfiguredDocumentDisplayer.java:42)