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Split large chunks of data in IOStream.write.

Closes #515.
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1 parent e101397 commit b8e44661464bd2e192322acbe73d08c83f4a1383 @ei-grad ei-grad committed May 24, 2012
Showing with 5 additions and 1 deletion.
  1. +5 −1 tornado/iostream.py
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@@ -192,7 +192,11 @@ def write(self, data, callback=None):
if data:
# We use bool(_write_buffer) as a proxy for write_buffer_size>0,
# so never put empty strings in the buffer.
- self._write_buffer.append(data)
+ if len(data) > 128*1024:
+ for i in range(0, len(data), 128*1024):
+ self._write_buffer.append(data[i:i+128*1024])
+ else:
+ self._write_buffer.append(data)
self._write_callback = stack_context.wrap(callback)
self._handle_write()
if self._write_buffer:

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