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AI-generatedHow can I identify the indexing bottleneck in Elasticsearch using the nodes stats API before optimization?
Before optimizing an Elasticsearch cluster, I need to confirm where the indexing bottleneck resides. I plan to query the nodes stats API for metrics such as indexing_pressure, thread_pool queue sizes, and merge throttling times, while also sampling hot threads to see CPU contention. However, I am unsure which combination of these metrics most reliably indica
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