No data to show: limit on 10 000 lines

Hello Team,

Please,
on grafana,
when i put a simple query with 10 000 lines
=> raw document - Size = 10 000
i have a correct answer : date and message.

but if i put little more ( ie : 11 000) i have a message : No data to show
-> after long period of time " half hours" there still no asnwers.

Please could you help us.

Thanks.

Bruno