/** Create a populated tree, delete all records, then begin to insert again. */
private void setupWrittenByCompression(Database db) throws DatabaseException {
setStepwiseStart();
DatabaseEntry key = new DatabaseEntry();
DatabaseEntry data = new DatabaseEntry();
/* Populate a tree so it grows to 2 levels, with 2 BINs. */
for (int i = 0; i < 10; i++) {
IntegerBinding.intToEntry(i, key);
IntegerBinding.intToEntry(i, data);
assertEquals(OperationStatus.SUCCESS, db.put(null, key, data));
}
Trace.trace(DbInternal.getEnvironmentImpl(env), "After inserts");
env.checkpoint(FORCE_CONFIG);
if (DEBUG) {
System.out.println(db.getStats(new StatsConfig()));
}
/* Now delete all of 1 BIN. */
for (int i = 0; i < 5; i++) {
IntegerBinding.intToEntry(i, key);
assertEquals(OperationStatus.SUCCESS, db.delete(null, key));
}
/* Compress, removing a BIN. */
env.compress();
if (DEBUG) {
System.out.println("After compress");
System.out.println(db.getStats(new StatsConfig()));
}
/* Checkpoint again. */
env.checkpoint(FORCE_CONFIG);
}
/** Create a populated tree, delete all records, then begin to insert again. */
private void setupEvictedRoot(Database db) throws DatabaseException {
setStepwiseStart();
DatabaseEntry key = new DatabaseEntry();
DatabaseEntry data = new DatabaseEntry();
/* Populate a tree so it grows to 2 levels, with 2 BINs. */
for (int i = 0; i < 10; i++) {
IntegerBinding.intToEntry(i, key);
IntegerBinding.intToEntry(i, data);
assertEquals(OperationStatus.SUCCESS, db.put(null, key, data));
}
Trace.trace(DbInternal.getEnvironmentImpl(env), "After inserts");
env.checkpoint(FORCE_CONFIG);
/*
* Add another record so that the eviction below will log
* a different versions of the IN nodes.
*/
IntegerBinding.intToEntry(10, key);
IntegerBinding.intToEntry(10, data);
assertEquals(OperationStatus.SUCCESS, db.put(null, key, data));
/* Evict */
TestHook<Boolean> evictHook =
new TestHook<Boolean>() {
public void doIOHook() {
throw new UnsupportedOperationException();
}
public void doHook() {
throw new UnsupportedOperationException();
}
public Boolean getHookValue() {
return Boolean.TRUE;
}
public void hookSetup() {
throw new UnsupportedOperationException();
}
public void doHook(Boolean obj) {
throw new UnsupportedOperationException();
}
};
DbInternal.getEnvironmentImpl(env).getEvictor().setRunnableHook(evictHook);
env.evictMemory();
/* Checkpoint again. */
env.checkpoint(FORCE_CONFIG);
}
private void setupWrittenBySplits(Database db) throws DatabaseException {
setStepwiseStart();
DatabaseEntry key = new DatabaseEntry();
DatabaseEntry data = new DatabaseEntry();
/* Create a tree and checkpoint. */
IntegerBinding.intToEntry(0, key);
IntegerBinding.intToEntry(0, data);
assertEquals(OperationStatus.SUCCESS, db.put(null, key, data));
env.checkpoint(FORCE_CONFIG);
Trace.trace(DbInternal.getEnvironmentImpl(env), "After creation");
/* Populate a tree so it splits. */
for (int i = 1; i < 6; i++) {
IntegerBinding.intToEntry(i, key);
IntegerBinding.intToEntry(i, data);
assertEquals(OperationStatus.SUCCESS, db.put(null, key, data));
}
Trace.trace(DbInternal.getEnvironmentImpl(env), "After inserts");
env.checkpoint(FORCE_CONFIG);
}
private void fillLogWithTraceMsgs(Environment env, int numToAdd) {
EnvironmentImpl envImpl = DbInternal.getEnvironmentImpl(env);
FileManager fileManager = envImpl.getFileManager();
Long beforeTracing = getLastFileNum(env);
logger.info("BeforeTracing end file = 0x" + Long.toHexString(beforeTracing));
do {
for (int i = 0; i <= 100; i++) {
Trace.trace(envImpl, STUFF + i);
}
} while (fileManager.getLastFileNum() <= (beforeTracing + numToAdd));
Long afterTracing = fileManager.getLastFileNum();
logger.info("AfterTracing end file = 0x" + Long.toHexString(afterTracing));
/* Check that we've grown the log by a good bit - at least 40 files */
assertTrue((afterTracing - beforeTracing) > 40);
}