private void readStoreFile(Path path) throws IOException {
CacheConfig cacheConf = store.getCacheConfig();
BlockCache cache = cacheConf.getBlockCache();
StoreFile sf = new StoreFile(fs, path, conf, cacheConf,
BloomType.ROWCOL);
HFileReaderV2 reader = (HFileReaderV2) sf.createReader().getHFileReader();
try {
// Open a scanner with (on read) caching disabled
HFileScanner scanner = reader.getScanner(false, false);
assertTrue(testDescription, scanner.seekTo());
// Cribbed from io.hfile.TestCacheOnWrite
long offset = 0;
HFileBlock prevBlock = null;
while (offset < reader.getTrailer().getLoadOnOpenDataOffset()) {
long onDiskSize = -1;
if (prevBlock != null) {
onDiskSize = prevBlock.getNextBlockOnDiskSizeWithHeader();
}
// Flags: don't cache the block, use pread, this is not a compaction.
// Also, pass null for expected block type to avoid checking it.
HFileBlock block = reader.readBlock(offset, onDiskSize, false, true,
false, true, null, DataBlockEncoding.NONE);
BlockCacheKey blockCacheKey = new BlockCacheKey(reader.getName(),
offset);
boolean isCached = cache.getBlock(blockCacheKey, true, false, true) != null;
boolean shouldBeCached = cowType.shouldBeCached(block.getBlockType());
if (shouldBeCached != isCached) {
throw new AssertionError(
"shouldBeCached: " + shouldBeCached+ "\n" +
"isCached: " + isCached + "\n" +
"Test description: " + testDescription + "\n" +
"block: " + block + "\n" +
"blockCacheKey: " + blockCacheKey);
}
prevBlock = block;
offset += block.getOnDiskSizeWithHeader();
}
} finally {
reader.close();
}
}