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This aims at making the shrink action retryable. Every step is
retryable, but in order to provide an experience where ILM tries
to achieve a successful shrink even when the target node goes
missing permanently or the shrunk index cannot recover, this also
introduces a retryable shrink cycle within the shrink action.
The shrink action will generate a unique index name that'll be the
shrunk index name. The generated index name is stored in the lifecycle
state.
If the shrink action ends up waiting for the source shards to
colocate or for the shrunk index to recover for more than the configured
`LIFECYCLE_STEP_WAIT_TIME_THRESHOLD` setting, it will move back
to clean up the attempted (and failed) shrunk index and will retry
generating a new index name and attempting to shrink the source
to the newly generated index name.
(cherry picked from commit
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| .. | ||
| images | ||
| audit-settings.asciidoc | ||
| ccr-settings.asciidoc | ||
| common-defs.asciidoc | ||
| ilm-settings.asciidoc | ||
| license-settings.asciidoc | ||
| ml-settings.asciidoc | ||
| monitoring-settings.asciidoc | ||
| notification-settings.asciidoc | ||
| security-hash-settings.asciidoc | ||
| security-settings.asciidoc | ||
| slm-settings.asciidoc | ||
| ssl-settings.asciidoc | ||
| transform-settings.asciidoc | ||