andi/perfdb
1
0
Fork 0
Code Issues 1 Pull Requests Packages Projects Releases Activity

use byte offsets instead of block numbers

Browse Source 
We want to allow arbitrary allocations in DiskStorage. The
first step was to change the hard coded block size into a
dynamic one.
This commit is contained in:
Andreas Huber
2018-10-12 08:10:43 +02:00
parent eaa234bfa5
commit 0539080200
6 changed files with 96 additions and 107 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
data-store/src/main/java/org/lucares/pdb/datastore/internal/DataStore.java
View File

@@ -22,6 +22,7 @@ import java.util.stream.StreamSupport;
import org.lucares.collections.IntList;
import org.lucares.pdb.api.StringCompressor;
import org.lucares.pdb.api.Tags;
import org.lucares.pdb.blockstorage.BSFile;
import org.lucares.pdb.datastore.Doc;
import org.lucares.pdb.datastore.Proposal;
import org.lucares.pdb.datastore.lang.Expression;
@@ -171,13 +172,13 @@ public class DataStore implements AutoCloseable {
public long createNewFile(final Tags tags) throws IOException {
final String filename = tags.serialize();
final long newFilesRootBlockNumber = diskStorage.appendNewBlock();
updateListingFile(tags, newFilesRootBlockNumber);
final ListingFileEntry listingFileEntry = new ListingFileEntry(filename, newFilesRootBlockNumber);
final long newFilesRootBlockOffset = diskStorage.allocateBlock(BSFile.BLOCK_SIZE);
updateListingFile(tags, newFilesRootBlockOffset);
final ListingFileEntry listingFileEntry = new ListingFileEntry(filename, newFilesRootBlockOffset);
cacheTagToFileMapping(tags, listingFileEntry);
return newFilesRootBlockNumber;
return newFilesRootBlockOffset;
}
private Tags toTags(final String filename) {