Cherry-pick #18698 to 7.x: [Metricbeat] Change index_pattern from "" to "metricbeat-*"#18733

Merged

kaiyan-sheng merged 1 commit intoelastic:7.xfrom kaiyan-sheng:backport_18698_7.x

May 26, 2020

+67-67

Commits on May 25, 2020

[Metricbeat] Change index_pattern from "" to "metricbeat-*" (#18698 )
kaiyan-sheng
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