28ee3bf9ba0162d35b880fe5d9ed6f1c03b217f3,src/main/java/org/apache/hadoop/hbase/io/hfile/HFileReaderV1.java,HFileReaderV1,readBlockBuffer,#number#boolean#boolean#boolean#,264
Before Change
long delta = System.nanoTime() - startTimeNs;
HFile.readTimeNano.addAndGet(delta);
HFile.readOps.incrementAndGet();
getSchemaMetrics().updateOnCacheMiss(BlockCategory.DATA, isCompaction,
delta);
After Change
ByteBuffer buf = hfileBlock.getBufferWithoutHeader();
long delta = System.nanoTime() - startTimeNs;
if (pread) {
HFile.preadTimeNano.addAndGet(delta);
HFile.preadOps.incrementAndGet();
} else {
HFile.readTimeNano.addAndGet(delta);
HFile.readOps.incrementAndGet();
}
getSchemaMetrics().updateOnCacheMiss(BlockCategory.DATA, isCompaction,
delta);