我收到以下错误与我的GAE应用:超过软处理大小限制错误。怎么修?
2011-06-25 00:15:59.023/500发布 30878ms 1796cpu_ms 0KB 的Picasa/117.430000(gzip的)的gzip(GFE)
2011-06-25 00:15:服务16个请求总
下面是代码后59.010超出软 过程大小限制197.977 MB :
def post(self):
'''Here we receive photos from the GetPostDetailsHandler (/).
We upload them to vkontakte server one-by-one (vkontakte accepts
5 files at once, but urlfetch allows only 1 Mb per request),
and then save details of photos uploaded in memcache.
Cookies are also saved there.
'''
# list of files for upload (max 5 files can be in the list)
files = []
# counts number of uploads to vkontakte server
posts_sent = 0
# calculate total number of files received
# and store field names with files in files_arguments list
arguments = self.request.arguments()
files_arguments = []
for argument in arguments:
if 'localhost' in argument:
# if not (argument in ['album', 'albums_list', 'album_custom', 'upload_url', 'album_id', 'user_id', 'body', 'title']):
files_arguments.append(argument)
logging.info('(POST) ... number of photos received: '+str(len(files_arguments)))
logging.info('(POST) ... upload process started')
files_counter = 0 # counts total number of files sent
for argument in files_arguments:
files_counter +=1
file_size = len(self.request.get(argument))/(1024.0*1024.0)
logging.info('(POST) ... size of file '+str(files_counter)+' is '+str(file_size)+' Mb')
if file_size <= 1:
files.append(MultipartParam('file1', self.request.get(argument), 'file'+str(files_counter)+'.jpg', 'application/x-www-form-urlencoded'))
# sending file
data, headers = multipart_encode(files)
# try 3 times to send the file
for i in range(3):
try:
result = urlfetch.fetch(url=self.request.get('upload_url'),
payload=''.join(data),
method=urlfetch.POST,
headers=headers,
deadline=10
)
break
except DownloadError:
logging.error('(POST) ... error during file upload, attempt ' + str(i))
pass
if result.status_code == 200:
# save result in the memcache for 10 minutes
memcache.add(key=self.request.get('user_id')+'_'+self.request.get('album_id')+'_'+str(files_counter), value=result.content, time=600)
# save description in the memcache
memcache.add(key=self.request.get('user_id')+'_'+self.request.get('album_id')+'_'+str(files_counter)+'_desc', value=self.request.get('desc'+str(files_counter)), time=600)
logging.info('(POST) ... result of photos upload ('+str(files_counter)+'): '+result.content)
files = []
# save cookies
cookies = self.request.headers.get('Cookie')
logging.info(cookies)
memcache.add(key=self.request.get('user_id')+'_'+self.request.get('album_id')+'_'+'cookies', value=cookies, time=600)
logging.info('(POST) ... upload process finished')
# return url for Picasa - SavePhotosHandler (/save) - it will be opened in user's default browser
# so, we have to pass there key of data we saved in memcache
self.response.out.write('http://picasa2vkontakte.appspot.com/save?'+self.request.get('user_id')+'_'+self.request.get('album_id'))
这里有什么问题?我也发现这样的错误通常意味着应用程序中存在内存泄漏。如何找到?
平均而言,每个实例使用的内存是多少?所有上传的数据都保存在内存中,因此如果用户上传大图片,您的脚本可能会超出允许的内存限制。 – sahid
@sahid,我如何检查内存使用情况?我能做些什么来避免这种情况? –