RythmEngine and TemplateClassManager the Biggest Objects of the heap : memory leak problems

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We have as well faced and came across such issue but its because of compilation of templates again and again. To avoid this we did the below settings,
Enable prod mode
Enable template caching
Set the template compiled directory location – to store the compiled version of template files. (Dont confuse with template directory configuration) which will boost your application speed.

Map<String, Object> rythmConfigs = new HashMap<>();
        //rythmConfigs.put(ENGINE_MODE, this.appMode ? "prod" : "dev");
        rythmConfigs.put(PRECOMPILE_MODE_ENABLED, this.config.getBoolean(PRECOMPILE_MODE_ENABLED, true));
        rythmConfigs.put(LOAD_PRECOMPILED_ENABLED, this.config.getBoolean(LOAD_PRECOMPILED_ENABLED, true));
        rythmConfigs.put("rythm.default.cache_ttl", Integer.MAX_VALUE);
        rythmConfigs.put("rythm.cache.enable", this.appMode);
        //rythmConfigs.put("cache.prod_only.enabled", this.appMode);
        rythmConfigs.put(PRECOMPILED_DIR, getTempDir(config.getString(XoAppConfigKeys.APPLICATION_CONTEXT)).getAbsolutePath());
        rythmConfigs.put(TEMPLATE_DIR, this.templateFolderUri.getPath());
        rythmEngine = new RythmEngine(rythmConfigs);

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