[8.x] Avoid updating settings version in MetadataMigrateToDataStreamService when settings have not changed (#118704) #118706
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… when settings have not changed (elastic#118704) If the input index already has the `index.hidden` setting set to `true`, MetadataMigrateToDataStreamService::prepareBackingIndex can incorrectly increment the settings version even if it does not change the settings. This results in an assertion failure in IndexService::updateMetadata that will take down a node if assertions are enabled. This fixes that, only incrementing the settings version if the settings actually changed.
masseyke
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:Data Management/Data streams
maxhniebergall
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Dec 16, 2024
… when settings have not changed (elastic#118704) (elastic#118706) If the input index already has the `index.hidden` setting set to `true`, MetadataMigrateToDataStreamService::prepareBackingIndex can incorrectly increment the settings version even if it does not change the settings. This results in an assertion failure in IndexService::updateMetadata that will take down a node if assertions are enabled. This fixes that, only incrementing the settings version if the settings actually changed.
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Backports the following commits to 8.x: