I've run into a problem that looks like a bug with 0.19.0 and 0.19.1.
I have a bulk index process that follows the suggested pattern of
setting refresh_interval to "-1" during the index and then changing it
back to "1s" after the index is done. With the 0.19.x versions, I've
noticed that the dynamically set values of refresh_interval, while
they seem to be changed in the settings, are not observed without a
See this gist for a series of commands that you can run on a vanilla
single instance of elastic that recreates this problem:
Looks like a bug.