felixcheung commented on a change in pull request #3337: [ZEPPELIN-4078]
Ipython queue performance
URL: https://github.com/apache/zeppelin/pull/3337#discussion_r267637879
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File path: python/src/main/resources/grpc/python/ipython_server.py
##########
@@ -52,24 +52,19 @@ def execute(self, request, context):
print("execute code:\n")
print(request.code.encode('utf-8'))
sys.stdout.flush()
- stdout_queue = queue.Queue(maxsize = 10)
- stderr_queue = queue.Queue(maxsize = 10)
- image_queue = queue.Queue(maxsize = 5)
-
+ stream_reply_queue = queue.Queue(maxsize = 20)
+ payload_reply = []
def _output_hook(msg):
msg_type = msg['header']['msg_type']
content = msg['content']
if msg_type == 'stream':
- stdout_queue.put(content['text'])
+
stream_reply_queue.put(ipython_pb2.ExecuteResponse(status=ipython_pb2.SUCCESS,
type=ipython_pb2.TEXT, output=content['text']))
+ elif msg_type == 'error':
+
stream_reply_queue.put(ipython_pb2.ExecuteResponse(status=ipython_pb2.ERROR,
type=ipython_pb2.TEXT, output='\n'.join(content['traceback'])))
elif msg_type in ('display_data', 'execute_result'):
- stdout_queue.put(content['data'].get('text/plain', ''))
+
stream_reply_queue.put(ipython_pb2.ExecuteResponse(status=ipython_pb2.SUCCESS,
type=ipython_pb2.TEXT, output=content['data'].get('text/plain', '')))
if 'image/png' in content['data']:
- image_queue.put(content['data']['image/png'])
- elif msg_type == 'error':
- stderr_queue.put('\n'.join(content['traceback']))
-
-
- payload_reply = []
+
stream_reply_queue.put(ipython_pb2.ExecuteResponse(status=ipython_pb2.SUCCESS,
type=ipython_pb2.IMAGE, output=content['data']['image/png']))
Review comment:
this is a bit long and hard to read? consider refactor
`stream_reply_queue.put` into a separate line
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