private void initBlockMetadataManager(TachyonConf tachyonConf)
throws AlreadyExistsException, IOException, OutOfSpaceException {
// Initialize storage tiers
int totalTiers = tachyonConf.getInt(Constants.WORKER_MAX_TIERED_STORAGE_LEVEL, 1);
mAliasToTiers = new HashMap<Integer, StorageTier>(totalTiers);
mTiers = new ArrayList<StorageTier>(totalTiers);
for (int level = 0; level < totalTiers; level++) {
StorageTier tier = StorageTier.newStorageTier(tachyonConf, level);
mTiers.add(tier);
mAliasToTiers.put(tier.getTierAlias(), tier);
}
}
public BlockStoreMeta(BlockMetadataManager manager) {
Preconditions.checkNotNull(manager);
for (StorageTier tier : manager.getTiers()) {
int aliasIndex = tier.getTierAlias() - 1;
mCapacityBytesOnTiers.set(
aliasIndex, mCapacityBytesOnTiers.get(aliasIndex) + tier.getCapacityBytes());
mUsedBytesOnTiers.set(
aliasIndex,
mUsedBytesOnTiers.get(aliasIndex) + (tier.getCapacityBytes() - tier.getAvailableBytes()));
for (StorageDir dir : tier.getStorageDirs()) {
mBlockIdsOnDirs.put(dir.getStorageDirId(), dir.getBlockIds());
mCapacityBytesOnDirs.put(dir.getStorageDirId(), dir.getCapacityBytes());
mUsedBytesOnDirs.put(
dir.getStorageDirId(), dir.getCapacityBytes() - dir.getAvailableBytes());
mDirPaths.put(dir.getStorageDirId(), dir.getDirPath());
}
}
}
public BlockStoreLocation toBlockStoreLocation() {
return new BlockStoreLocation(mTier.getTierAlias(), mTier.getTierLevel(), mDirIndex);
}
// TODO: deprecate this method.
public long getStorageDirId() {
int level = mTier.getTierLevel();
int storageLevelAliasValue = mTier.getTierAlias();
return StorageDirId.getStorageDirId(level, storageLevelAliasValue, mDirIndex);
}