Hello, My cluster consists of 20 nodes (3 masters + 17 data nodes) handles apr. 100 indices (8 shards + 1 replica). At the moment there is no client nodes, all bulk requests balancing between 3 master nodes, all search requests balancing between all 20 nodes. Application can close "cold" indices and open indices on demand. Most of time only 8 indices are opened. During dynamic open/close indices (recovery, rebalance processes) I see performance degradation of searching and bulk indexing in currently active (green) indices. Normal bulk index request takes less than 1 second, but while recovering or relocating other indices one bulk request can take more than 100 sec. As I understand, recovery and rebalancing have a higher priority than bulk and searching. Is there any possibility to manage priority for recovery and rebalancing for indices that open on demand? Or how can I reduce search/index degradation while recovering other indices. Application allows only requests to green indices.
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