Zheng Wang created HBASE-23264: ---------------------------------- Summary: Resolve a TODO of BucketAllocator: "Why we add the extra 1024 bytes? Slop?" Key: HBASE-23264 URL: https://issues.apache.org/jira/browse/HBASE-23264 Project: HBase Issue Type: Improvement Components: BucketCache Reporter: Zheng Wang
{code:java} // TODO: Why we add the extra 1024 bytes? Slop? private static final int DEFAULT_BUCKET_SIZES[] = { 4 * 1024 + 1024, 8 * 1024 + 1024, 16 * 1024 + 1024, 32 * 1024 + 1024, 40 * 1024 + 1024, 48 * 1024 + 1024, 56 * 1024 + 1024, 64 * 1024 + 1024, 96 * 1024 + 1024, 128 * 1024 + 1024, 192 * 1024 + 1024, 256 * 1024 + 1024, 384 * 1024 + 1024, 512 * 1024 + 1024 };{code} The real block size in hile may exceed a little than the size we configed ,so we need add extra 1024 bytes for fit. -- This message was sent by Atlassian Jira (v8.3.4#803005)