public void makeLog() throws IOException, InterruptedException {
CommitLog commitLog = CommitLog.instance;
System.out.format(
"\nUsing commit log size %dmb, compressor %s, sync %s%s\n",
mb(DatabaseDescriptor.getCommitLogSegmentSize()),
commitLog.configuration.getCompressorName(),
commitLog.executor.getClass().getSimpleName(),
randomSize ? " random size" : "");
final List<CommitlogExecutor> threads = new ArrayList<>();
ScheduledExecutorService scheduled = startThreads(commitLog, threads);
Thread.sleep(runTimeMs);
stop = true;
scheduled.shutdown();
scheduled.awaitTermination(2, TimeUnit.SECONDS);
int hash = 0;
int cells = 0;
for (CommitlogExecutor t : threads) {
t.join();
hash += t.hash;
cells += t.cells;
}
commitLog.shutdownBlocking();
File dataDir = new File(CommitLogUpgradeTest.DATA_DIR + FBUtilities.getReleaseVersionString());
System.out.format("Data will be stored in %s\n", dataDir);
if (dataDir.exists()) FileUtils.deleteRecursive(dataDir);
dataDir.mkdirs();
for (File f : new File(DatabaseDescriptor.getCommitLogLocation()).listFiles())
FileUtils.createHardLink(f, new File(dataDir, f.getName()));
Properties prop = new Properties();
prop.setProperty(CFID_PROPERTY, Schema.instance.getId(KEYSPACE, TABLE).toString());
prop.setProperty(CELLS_PROPERTY, Integer.toString(cells));
prop.setProperty(HASH_PROPERTY, Integer.toString(hash));
prop.store(
new FileOutputStream(new File(dataDir, PROPERTIES_FILE)),
"CommitLog upgrade test, version " + FBUtilities.getReleaseVersionString());
System.out.println("Done");
}
