@Test
public void testCompactionLog() throws Exception {
SystemKeyspace.discardCompactionsInProgress();
String cf = "Standard4";
ColumnFamilyStore cfs = Keyspace.open(KEYSPACE1).getColumnFamilyStore(cf);
SchemaLoader.insertData(KEYSPACE1, cf, 0, 1);
cfs.forceBlockingFlush();
Collection<SSTableReader> sstables = cfs.getSSTables();
assertFalse(sstables.isEmpty());
Set<Integer> generations =
Sets.newHashSet(
Iterables.transform(
sstables,
new Function<SSTableReader, Integer>() {
public Integer apply(SSTableReader sstable) {
return sstable.descriptor.generation;
}
}));
UUID taskId = SystemKeyspace.startCompaction(cfs, sstables);
Map<Pair<String, String>, Map<Integer, UUID>> compactionLogs =
SystemKeyspace.getUnfinishedCompactions();
Set<Integer> unfinishedCompactions = compactionLogs.get(Pair.create(KEYSPACE1, cf)).keySet();
assertTrue(unfinishedCompactions.containsAll(generations));
SystemKeyspace.finishCompaction(taskId);
compactionLogs = SystemKeyspace.getUnfinishedCompactions();
assertFalse(compactionLogs.containsKey(Pair.create(KEYSPACE1, cf)));
}
public void doVerb(MessageIn message, int id) {
logger.debug("Received migration request from {}.", message.from);
MessageOut<Collection<RowMutation>> response =
new MessageOut<>(
MessagingService.Verb.INTERNAL_RESPONSE,
SystemKeyspace.serializeSchema(),
MigrationManager.MigrationsSerializer.instance);
MessagingService.instance().sendReply(response, id, message.from);
}