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only consider stream output for data rate limit #2293

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merged 2 commits into from Mar 22, 2017
Merged

only consider stream output for data rate limit #2293

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5da6eb6
only consider stream output for data rate limit
minrk Mar 15, 2017
59c9df1
show current rate limit values in rate limit messages
minrk Mar 15, 2017
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2 changes: 1 addition & 1 deletion notebook/notebookapp.py
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Expand Up @@ -997,7 +997,7 @@ def _update_server_extensions(self, change):
limited.""")

iopub_data_rate_limit = Float(1000000, config=True, help="""(bytes/sec)
Maximum rate at which messages can be sent on iopub before they are
Maximum rate at which stream output can be sent on iopub before they are
limited.""")

rate_limit_window = Float(3, config=True, help="""(sec) Time window used to
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19 changes: 16 additions & 3 deletions notebook/services/kernels/handlers.py
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Expand Up @@ -336,7 +336,10 @@ def write_stderr(error_message):

# Increment the bytes and message count
self._iopub_window_msg_count += 1
byte_count = sum([len(x) for x in msg_list])
if msg_type == 'stream':
byte_count = sum([len(x) for x in msg_list])
else:
byte_count = 0
self._iopub_window_byte_count += byte_count

# Queue a removal of the byte and message count for a time in the
Expand All @@ -357,7 +360,12 @@ def write_stderr(error_message):
The notebook server will temporarily stop sending output
to the client in order to avoid crashing it.
To change this limit, set the config variable
`--NotebookApp.iopub_msg_rate_limit`."""))
`--NotebookApp.iopub_msg_rate_limit`.

Current values:
NotebookApp.iopub_msg_rate_limit={} (msgs/sec)
NotebookApp.rate_limit_window={} (secs)
""".format(self.iopub_msg_rate_limit, self.rate_limit_window)))
else:
# resume once we've got some headroom below the limit
if self._iopub_msgs_exceeded and msg_rate < (0.8 * self.iopub_msg_rate_limit):
Expand All @@ -374,7 +382,12 @@ def write_stderr(error_message):
The notebook server will temporarily stop sending output
to the client in order to avoid crashing it.
To change this limit, set the config variable
`--NotebookApp.iopub_data_rate_limit`."""))
`--NotebookApp.iopub_data_rate_limit`.

Current values:
NotebookApp.iopub_data_rate_limit={} (bytes/sec)
NotebookApp.rate_limit_window={} (secs)
""".format(self.iopub_data_rate_limit, self.rate_limit_window)))
else:
# resume once we've got some headroom below the limit
if self._iopub_data_exceeded and data_rate < (0.8 * self.iopub_data_rate_limit):
Expand Down