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pre-segment caching in the historicals will help. This can significantly improve query performance if you have same query running on additional data

i have enable the following cache configs. also segments are cached in datanodes. are anything else that i can do? druid.query.cache.type=local druid.query.cache.populateCache=true druid.query.cache.useCache=true druid.query.cache.enable=true druid.historical.cache.useCache=true druid.historical.cache.populateCache=true druid.historical.cache.enabled=true druid.broker.cache.useCache=true druid.broker.cache.populateCache=true druid.broker.cache.enabled=true

increase the size of the cache druid.cache.sizeInBytes