# Disabling and re-enabling the stream poller process
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**Warning**  
Be careful when you disable the stream poller process\! Data loss can occur if the process is paused for longer than the stream expiry window. The default window is 7 days, but starting with engine version [1.2.0.0](engine-releases-1.2.0.0.md), you can set a custom stream expiry window up to a maximum of 90 days.