These request still fail, because with our configuration elasticsearch refuses to handle them. These messages clog up our logs though and get marked in graphite and shown on our graphs. To keep things clean and easy to find actual problems we should filter these and reject them before sending to elasticsearch.
2016-06-20 20:21:27 [V2hQRwpAMDkAAHMexm4AAABR] mw1222 kowiki 1.28.0-wmf.6 CirrusSearch WARNING: Search backend error during full_text search for '수' after 57: query_phase_execution_exception: Result window is too large, fro
m + size must be less than or equal to: [10000] but was [96561]. See the scroll api for a more efficient way to request large data sets. This limit can be set by changing the [index.max_result_window] index level parameter.
{"queryType":"full_text","query":"수","limit":11,"suggestion":null,"took":57,"message":"query_phase_execution_exception: Result window is too large, from + size must be less than or equal to: [10000] but was [96561]. See the
scroll api for a more efficient way to request large data sets. This limit can be set by changing the [index.max_result_window] index level parameter."}