JD Retail Technology
Jul 4, 2023 · Backend Development
Root Cause Analysis and Resolution of Elasticsearch BulkProcessor Deadlock in High‑Volume MQ Consumption
The article investigates a deadlock caused by Elasticsearch BulkProcessor during massive MQ message processing, explains how thread‑pool contention and retry logic lead to lock starvation, and proposes version upgrades or disabling retries to restore stable consumption.
BulkProcessorConcurrencyElasticsearch
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