/** Test specific setup */
public static void setupTestEnv() {
// during the tests we run with 100K prealloc in the logs.
// on windows systems prealloc of 64M was seen to take ~15seconds
// resulting in test Assert.failure (client timeout on first session).
// set env and directly in order to handle static init/gc issues
System.setProperty("zookeeper.preAllocSize", "100");
FileTxnLog.setPreallocSize(100 * 1024);
}
// / XXX: From o.a.zk.t.ClientBase
private static void setupTestEnv() {
// during the tests we run with 100K prealloc in the logs.
// on windows systems prealloc of 64M was seen to take ~15seconds
// resulting in test failure (client timeout on first session).
// set env and directly in order to handle static init/gc issues
// Lily change: make preAllocSize larger again: otherwise, on the next restart, ZooKeeper
// FileTxnLog
// throw a CRC error reading the log. Not sure why, as this pre-allocation should only be an
// optimization.
System.setProperty("zookeeper.preAllocSize", String.valueOf(8192 * 1024));
FileTxnLog.setPreallocSize(8192 * 1024);
}
/**
* create the old snapshot database apply logs to it and create the final database
*
* @throws IOException
*/
private void loadThisSnapShot() throws IOException {
// pick the most recent snapshot
File snapshot = findMostRecentSnapshot();
if (snapshot == null) {
throw new IOException("Invalid snapshots " + "or not snapshots in " + snapShotDir);
}
InputStream inputstream = new BufferedInputStream(new FileInputStream(snapshot));
InputArchive ia = BinaryInputArchive.getArchive(inputstream);
deserializeSnapshot(oldDataTree, ia, sessionsWithTimeouts);
// ok done with the snapshot
// now apply the logs
long snapshotZxid = oldDataTree.lastProcessedZxid;
File[] files = FileTxnLog.getLogFiles(dataDir.listFiles(), snapshotZxid);
long zxid = processLogFiles(oldDataTree, files);
// check for this zxid to be sane
if (zxid != oldDataTree.lastProcessedZxid) {
LOG.error(
"Zxids not equal "
+ " log zxid "
+ zxid
+ " datatree processed "
+ oldDataTree.lastProcessedZxid);
}
}