@Test public void in_memory_test() { StorageDirect engine = new StorageDirect(Volume.memoryFactory(false)); Map<Long, Integer> recids = new HashMap<Long, Integer>(); for (int i = 0; i < 1000; i++) { long recid = engine.recordPut(i, Serializer.BASIC_SERIALIZER); recids.put(recid, i); } for (Long recid : recids.keySet()) { assertEquals(recids.get(recid), engine.recordGet(recid, Serializer.BASIC_SERIALIZER)); } }
@Test public void compact_record_file_used() throws IOException { e = openEngine(); Map<Long, String> m = fill(e); e.commit(); e.close(); // now create fake compaction file, that should be ignored since seal is broken String csealFile = e.getWalFileName("c"); Volume cseal = new Volume.FileChannelVol(new File(csealFile)); cseal.ensureAvailable(16); cseal.putLong(8, 234238492376748923L); cseal.close(); // create record wal file String r0 = e.getWalFileName("r0"); Volume r = new Volume.FileChannelVol(new File(r0)); r.ensureAvailable(100000); r.putLong(8, StoreWAL.WAL_SEAL); long offset = 16; // modify all records in map via record wal for (long recid : m.keySet()) { r.putUnsignedByte(offset++, 5 << 4); r.putSixLong(offset, recid); offset += 6; String val = "aa" + recid; m.put(recid, val); DataIO.DataOutputByteArray b = new DataIO.DataOutputByteArray(); Serializer.STRING.serialize(b, val); int size = b.pos; r.putInt(offset, size); offset += 4; r.putData(offset, b.buf, 0, size); offset += size; } r.putUnsignedByte(offset, 0); r.sync(); r.putLong(8, StoreWAL.WAL_SEAL); r.sync(); r.close(); // reopen engine, record WAL should be replayed e = openEngine(); // check content of log file replayed into main store for (long recid : m.keySet()) { assertEquals(m.get(recid), e.get(recid, Serializer.STRING)); } e.close(); }
protected void walCompactSwap(boolean seal) { e = openEngine(); Map<Long, String> m = fill(e); e.commit(); e.close(); // copy file into new location String compactTarget = e.getWalFileName("c.compactXXX"); Volume f0 = new Volume.FileChannelVol(f); Volume f = new Volume.FileChannelVol(new File(compactTarget)); f0.copyEntireVolumeTo(f); f0.close(); f.sync(); f.close(); e = openEngine(); // modify orig file and close Long recid = m.keySet().iterator().next(); e.update(recid, "aaa", Serializer.STRING); if (!seal) m.put(recid, "aaa"); e.commit(); e.close(); // now move file so it is valid compacted file assertTrue(new File(compactTarget).renameTo(new File(e.getWalFileName("c.compact")))); // create compaction seal String compactSeal = e.getWalFileName("c"); Volume sealVol = new Volume.FileChannelVol(new File(compactSeal)); sealVol.ensureAvailable(16); sealVol.putLong(8, StoreWAL.WAL_SEAL + (seal ? 0 : 1)); sealVol.sync(); sealVol.close(); // now reopen file and check its content // change should be reverted, since compaction file was used e = openEngine(); for (Long recid2 : m.keySet()) { assertEquals(m.get(recid2), e.get(recid2, Serializer.STRING)); } }