ChenSammi commented on issue #665: HDDS-3160. Disable index and filter block cache for RocksDB. URL: https://github.com/apache/hadoop-ozone/pull/665#issuecomment-600570432 Hi @elek ， thanks for the patch. I tried it locally and got 50% performance gain. I tested two approach, 1. disable index and filter block cache 2. enable index and filter block cache, change block cache size from 256MB to 1GB. They has the same effect while I read-write 10 million keys. So I'm wondering if we can make these two configurable. User can choose the approach according to their hardware resource and key size. For example, 1GB is enough for 100 millions keys. When we want to host 1000 million keys, we may want to configure a higher block cache size.
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