private void testDefragment() {
String fileName = getBaseDir() + "/testDefragment.h3";
FileUtils.delete(fileName);
long initialLength = 0;
for (int j = 0; j < 20; j++) {
MVStore s = openStore(fileName);
MVMap<Integer, String> m = s.openMap("data", Integer.class, String.class);
for (int i = 0; i < 10; i++) {
m.put(j + i, "Hello " + j);
}
s.store();
s.compact(80);
s.close();
long len = FileUtils.size(fileName);
// System.out.println(" len:" + len);
if (initialLength == 0) {
initialLength = len;
} else {
assertTrue("initial: " + initialLength + " len: " + len, len <= initialLength * 3);
}
}
// long len = FileUtils.size(fileName);
// System.out.println("len0: " + len);
MVStore s = openStore(fileName);
MVMap<Integer, String> m = s.openMap("data", Integer.class, String.class);
for (int i = 0; i < 100; i++) {
m.remove(i);
}
s.store();
s.compact(80);
s.close();
// len = FileUtils.size(fileName);
// System.out.println("len1: " + len);
s = openStore(fileName);
m = s.openMap("data", Integer.class, String.class);
s.compact(80);
s.close();
// len = FileUtils.size(fileName);
// System.out.println("len2: " + len);
}
private void testTruncateFile() {
String fileName = getBaseDir() + "/testTruncate.h3";
FileUtils.delete(fileName);
MVStore s;
MVMap<Integer, String> m;
s = openStore(fileName);
m = s.openMap("data", Integer.class, String.class);
for (int i = 0; i < 1000; i++) {
m.put(i, "Hello World");
}
s.store();
s.close();
long len = FileUtils.size(fileName);
s = openStore(fileName);
m = s.openMap("data", Integer.class, String.class);
m.clear();
s.store();
s.compact(100);
s.close();
long len2 = FileUtils.size(fileName);
assertTrue(len2 < len);
}