解析服务器数据时出现内存管理问题

Question

我正在处理一个应用程序，在该应用程序中，我按顺序获取20个Web服务并将解析后的数据存储到sqlite中。当我检查内存的使用时，它将使用接近100 MB。它对我的应用程序有害吗？请检查此屏幕截图，我是从分配器中获取的。

这里我使用的是XML解析委托代码，请检查一下，如果有任何问题请告诉我，

pragma mark＆lt; -------------------- NSXMLParser Delegates --------------------＆gt ;

-(void)parser:(NSXMLParser *)parser didStartElement:(NSMutableString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict
{
    element = elementName;
    if ([element isEqualToString:@"item"])
    {
            item    = [[NSMutableDictionary alloc] init];
            self.section   = [[NSMutableString alloc] init];
            self.position    = [[NSMutableString alloc] init];
            self.title    = [[NSMutableString alloc] init];
            self.auther    = [[NSMutableString alloc] init];
            self.link    = [[NSMutableString alloc] init];
            self.snippet    = [[NSMutableString alloc] init];
            self.description    = [[NSMutableString alloc] init];
            self.pubdate    = [[NSMutableString alloc] init];
            self.category    = [[NSMutableString alloc] init];
            self.guide    = [[NSMutableString alloc] init];
            self.source    = [[NSMutableString alloc] init];
            self.enclosure    = [[NSMutableString alloc] init];

            self.enclosureArray = [[NSMutableArray alloc] init];
            self.enclosureUrlASrray = [[NSMutableArray alloc] init];
            self.enclosureTitleASrray = [[NSMutableArray alloc] init];
            self.enclosureDescriptionASrray = [[NSMutableArray alloc] init];
            self.enclosureTypeASrray  = [[NSMutableArray alloc] init];
            self.enclosureLenghtASrray  = [[NSMutableArray alloc] init];
            allocate=@"YES";
        }        

        if ([elementName isEqualToString:@"enclosure"])
        {
                self.enclosureArray = [[NSMutableArray alloc] init];
                self.enclosureUrlASrray = [[NSMutableArray alloc] init];
                self.enclosureTitleASrray = [[NSMutableArray alloc] init];
                self.enclosureDescriptionASrray = [[NSMutableArray alloc] init];
                self.enclosureTypeASrray  = [[NSMutableArray alloc] init];
                self.enclosureLenghtASrray  = [[NSMutableArray alloc] init];

        }
        if ([elementName isEqualToString:@"enclosure_details"])
        {
                self.enclosureDict = [[NSMutableDictionary alloc] init];
                self.enclosureUrl = [[NSMutableString alloc] init];
                self.enclosureTitle = [[NSMutableString alloc] init];
                self.enclosureDescription = [[NSMutableString alloc] init];
                self.enclosureType  = [[NSMutableString alloc] init];
                self.enclosureLenght  = [[NSMutableString alloc] init];
        }
}
- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string
{
        if ([element isEqualToString:@"enclosure_url"])
        {
                [self.enclosureUrl appendString:string];
        }
        if ([element isEqualToString:@"enclosure_title"])
        {
                [self.enclosureTitle appendString:string];
        }
        if ([element isEqualToString:@"enclosure_description"])
        {
                [self.enclosureDescription appendString:string];
        }
        if ([element isEqualToString:@"enclosure_type"])
        {
                [self.enclosureType appendString:string];
        }
        if ([element isEqualToString:@"enclosure_length"])
        {
                [self.enclosureLenght appendString:string];
        }

        if ([element isEqualToString:@"section"])
                [self.section appendString:string];
        if ([element isEqualToString:@"position"])
                [self.position appendString:string];
        if ([element isEqualToString:@"title"])
                [self.title appendString:string];
        if ([element isEqualToString:@"author"])
                [self.auther appendString:string];
        if ([element isEqualToString:@"link"])
                [self.link appendString:string];
        if ([element isEqualToString:@"snippet"])
                [self.snippet appendString:string];
        if ([element isEqualToString:@"description"])
                [self.description appendString:string];
        if ([element isEqualToString:@"pubDate"])
                [self.pubdate appendString:string];
        if ([element isEqualToString:@"category"])
                [self.category appendString:string];
        if ([element isEqualToString:@"guid"])
                [self.guide appendString:string];
        if ([element isEqualToString:@"source"])
                [self.source appendString:string];
}

- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName
{
        if ([allocate isEqualToString:@"YES"])
        {
                if ([elementName isEqualToString:@"section"])
                {
                        [item setObject:[self.section uppercaseString] forKey:@"articleSection"];
                }
                if ([elementName isEqualToString:@"position"])
                        [item setObject:self.position forKey:@"articlePosition"];
                if ([elementName isEqualToString:@"title"])
                {
                        [item setObject:MainCategoryID forKey:@"category"];
                        [item setObject:[self.title convertStringToHTML] forKey:@"articleTitle"];
                }
                if ([elementName isEqualToString:@"author"])
                        [item setObject:self.auther forKey:@"articleAuthor"];
                if ([elementName isEqualToString:@"link"])
                        [item setObject:self.link forKey:@"articleLink"];
                if ([elementName isEqualToString:@"snippet"])
                        [item setObject:[self.snippet convertStringToHTML] forKey:@"articleSnippet"];
                if ([elementName isEqualToString:@"description"])
                        [item setObject:self.description forKey:@"articleDescription"];
                if ([elementName isEqualToString:@"pubDate"])
                        [item setObject:self.pubdate forKey:@"articlePubDate"];
                if ([elementName isEqualToString:@"category"])
                        [item setObject:self.category forKey:@"articleCategory"];
                if ([elementName isEqualToString:@"guid"])
                        [item setObject:self.guide forKey:@"articleGuide"];

                if ([elementName isEqualToString:@"enclosure_details"])
                {
                        [self.enclosureUrlASrray addObject:[NSString stringWithFormat:@"%@%@", self.enclosureUrl,SPECIAL_CHAR]];

                        [self.enclosureTitleASrray addObject:[NSString stringWithFormat:@"%@%@", self.enclosureTitle,SPECIAL_CHAR]];

                        [self.enclosureDescriptionASrray addObject:[NSString stringWithFormat:@"%@%@", self.enclosureDescription,SPECIAL_CHAR]];

                        [self.enclosureTypeASrray addObject:[NSString stringWithFormat:@"%@%@", self.enclosureType,SPECIAL_CHAR]];

                        [self.enclosureLenghtASrray addObject:[NSString stringWithFormat:@"%@%@", self.enclosureLenght,SPECIAL_CHAR]];
                }
                if ([elementName isEqualToString:@"enclosure"])
                {
                        [item setObject:self.enclosureUrlASrray forKey:@"url"];
                        [item setObject:self.enclosureTitleASrray forKey:@"title"];
                        [item setObject:self.enclosureDescriptionASrray forKey:@"description"];
                        [item setObject:self.enclosureTypeASrray forKey:@"type"];
                        [item setObject:self.enclosureLenghtASrray forKey:@"lenght"];
                }

                if ([elementName isEqualToString:@"item"])
                {
                        [self.responseArray addObject:[item copy]];
                        self.section=nil;self.position=nil;self.title=nil;self.auther=nil;self.link=nil;self.snippet=nil;self.description=nil;self.pubdate=nil;self.category=nil;self.guide=nil;
                        self.source=nil;self.enclosure=nil;
                        self.enclosureUrl=nil;self.enclosureTitle=nil,self.enclosureDescription=nil,self.enclosureType=nil,self.enclosureLenght=nil;
                        self.enclosureUrlASrray=nil;
                        self.enclosureTitleASrray=nil;
                        self.enclosureDescriptionASrray=nil;
                        self.enclosureUrlASrray=nil;
                        self.enclosureLenghtASrray=nil;
                        item=nil;
                }
        }

}

    - (void)parser:(NSXMLParser *)parser parseErrorOccurred:(NSError *)parseError
    {
            NSLog(@"error : %@",parseError);
            [newHUD setHidden:YES];
            newHUD=nil;
                    //        [self noInternetMessage];
            if ([_delegate respondsToSelector:@selector(ConnectionMessage:)])
            {
                    [_delegate ConnectionMessage:@"Error Occured When user Download  the Data From Server, Please Click Refresh Button."];
            }
    }

    - (void)parserDidEndDocument:(NSXMLParser *)parser
    {
            [newHUD setHidden:YES];
            newHUD=nil;
    //        NSLog(@"content Parsing : %@",responseArray);
            if ([_delegate respondsToSelector:@selector(receivedResultBOArray:responseStr:)])
            {
                    [_delegate receivedResultBOArray:self.responseArray responseStr:MainCategoryID];
                    self.section=nil;self.position=nil;self.title=nil;self.auther=nil;self.link=nil;self.snippet=nil;self.description=nil;self.pubdate=nil;self.category=nil;self.guide=nil;
                    self.source=nil;self.enclosure=nil;
                    self.enclosureUrl=nil;self.enclosureTitle=nil,self.enclosureDescription=nil,self.enclosureType=nil,self.enclosureLenght=nil;
                    self.enclosureUrlASrray=nil;
                    self.enclosureTitleASrray=nil;
                    self.enclosureDescriptionASrray=nil;
                    self.enclosureUrlASrray=nil;
                    self.enclosureLenghtASrray=nil;
                    self.responseArray=nil;
            }
    }