private long readAndVerifyBlock(long pos, HFileContext ctx, HFileBlock.FSReaderImpl hbr, int size)
throws IOException {
HFileBlock b = hbr.readBlockData(pos, -1, -1, false);
assertEquals(0, HFile.getChecksumFailuresCount());
b.sanityCheck();
assertFalse(b.isUnpacked());
b = b.unpack(ctx, hbr);
LOG.info(
"Read a block at "
+ pos
+ " with"
+ " onDiskSizeWithHeader="
+ b.getOnDiskSizeWithHeader()
+ " uncompressedSizeWithoutHeader="
+ b.getOnDiskSizeWithoutHeader()
+ " uncompressedSizeWithoutHeader="
+ b.getUncompressedSizeWithoutHeader());
DataInputStream dis = b.getByteStream();
for (int i = 0; i < size; i++) {
int read = dis.readInt();
if (read != i) {
fail("Block data corrupt at element " + i);
}
}
return b.getOnDiskSizeWithHeader();
}
/**
* Caches the last written HFile block.
*
* @param offset the offset of the block we want to cache. Used to determine the cache key.
*/
private void doCacheOnWrite(long offset) {
// We don't cache-on-write data blocks on compaction, so assume this is not
// a compaction.
final boolean isCompaction = false;
HFileBlock cacheFormatBlock =
blockEncoder.diskToCacheFormat(fsBlockWriter.getBlockForCaching(), isCompaction);
cacheConf
.getBlockCache()
.cacheBlock(
new BlockCacheKey(
name, offset, blockEncoder.getEncodingInCache(), cacheFormatBlock.getBlockType()),
cacheFormatBlock);
}
