@Test
public void testGC() throws Exception {
int gcRuns = PictureTilingCacheGCManager.getGCRuns();
PictureTilingService pts = Framework.getLocalService(PictureTilingService.class);
assertNotNull(pts);
benchTiler(pts, new MagickTiler());
testMagick2();
testMagick2();
long cacheSize = PictureTilingCacheGCManager.getCacheSizeInKBs();
// System.out.println("CacheSize = " + cacheSize + "KB");
assertTrue(cacheSize > 0);
int reduceSize = 500;
// System.out.println("performing GC with " + reduceSize
// + " KB target reduction");
PictureTilingCacheGCManager.doGC(reduceSize);
int gcRuns2 = PictureTilingCacheGCManager.getGCRuns();
assertEquals(1, gcRuns2 - gcRuns);
long newCacheSize = PictureTilingCacheGCManager.getCacheSizeInKBs();
// System.out.println("new cacheSize = " + newCacheSize + "KB");
// System.out.println("effective delta = " + (cacheSize - newCacheSize)
// + "KB");
assertTrue(cacheSize - newCacheSize > reduceSize);
}
@Test
public void testGC2() throws Exception {
int reduceSize = 500;
int gcRuns = PictureTilingCacheGCManager.getGCRuns();
int gcCalls = PictureTilingCacheGCManager.getGCCalls();
PictureTilingComponent.endGC();
String maxStr =
PictureTilingComponent.getEnvValue(
PictureTilingCacheGCManager.MAX_DISK_SPACE_USAGE_KEY,
Long.toString(PictureTilingCacheGCManager.MAX_DISK_SPACE_USAGE_KB));
PictureTilingComponent.setEnvValue(
PictureTilingCacheGCManager.MAX_DISK_SPACE_USAGE_KEY, Integer.toString(reduceSize));
PictureTilingService pts = Framework.getLocalService(PictureTilingService.class);
assertNotNull(pts);
benchTiler(pts, new MagickTiler());
// System.out.println("Tiling run 1");
testMagick2();
// System.out.println("Tiling run 2");
testMagick2();
// System.out.println("Tiling run 3");
testMagick2();
long cacheSize = PictureTilingCacheGCManager.getCacheSizeInKBs();
// System.out.println("CacheSize = " + cacheSize + "KB");
assertTrue(cacheSize > 0);
GCTask.setGCIntervalInMinutes(-100);
PictureTilingComponent.startGC();
// System.out.println("waiting for GC to run");
Thread.currentThread().sleep(600);
int gcRuns2 = PictureTilingCacheGCManager.getGCRuns();
int gcCalls2 = PictureTilingCacheGCManager.getGCCalls();
int runs = gcRuns2 - gcRuns;
int calls = gcCalls2 - gcCalls;
// System.out.println("GC runs = " + runs);
// System.out.println("GC calls = " + calls);
assertTrue(runs > 0);
assertTrue(calls > 2);
PictureTilingComponent.endGC();
long newCacheSize = PictureTilingCacheGCManager.getCacheSizeInKBs();
// System.out.println("new cacheSize = " + newCacheSize + "KB");
// System.out.println("effective delta = " + (cacheSize - newCacheSize)
// + "KB");
assertTrue(cacheSize - newCacheSize > reduceSize);
PictureTilingComponent.setEnvValue(
PictureTilingCacheGCManager.MAX_DISK_SPACE_USAGE_KEY, maxStr);
}
