private void createRepEnvInfo(String sleepTime) throws Throwable {
/*
* Set a large buffer size and disable the checkpointing, so the
* data in the buffer can only be flushed by the LogFlushTask.
*/
EnvironmentConfig envConfig = RepTestUtils.createEnvConfig(Durability.COMMIT_NO_SYNC);
envConfig.setConfigParam(EnvironmentParams.MAX_MEMORY.getName(), "20000000");
envConfig.setConfigParam(EnvironmentParams.LOG_MEM_SIZE.getName(), "120000000");
envConfig.setConfigParam(EnvironmentParams.NUM_LOG_BUFFERS.getName(), "4");
envConfig.setConfigParam(EnvironmentConfig.ENV_RUN_CHECKPOINTER, "false");
/* Configure the log flush task. */
ReplicationConfig repConfig = new ReplicationConfig();
repConfig.setConfigParam(ReplicationConfig.LOG_FLUSH_TASK_INTERVAL, sleepTime);
repEnvInfo = RepTestUtils.setupEnvInfos(envRoot, 3, envConfig, repConfig);
}
private void openGroup() throws IOException {
EnvironmentConfig envConfig = new EnvironmentConfig();
envConfig.setTransactional(true);
envConfig.setAllowCreate(true);
ReplicationConfig repConfig = new ReplicationConfig();
repConfig.setConfigParam(RepParams.VLSN_LOG_CACHE_SIZE.getName(), "2");
repEnvInfo = RepTestUtils.setupEnvInfos(envRoot, nNodes, envConfig, repConfig);
master = RepTestUtils.joinGroup(repEnvInfo);
StoreConfig config = new StoreConfig();
config.setAllowCreate(true);
config.setTransactional(true);
store = new EntityStore(master, "test", config);
primaryIndex = store.getPrimaryIndex(Integer.class, AppData.class);
}
/** Test the basic configuration of LogFlusher. */
@Test
public void testBasicConfig() throws Throwable {
try {
EnvironmentConfig envConfig = RepTestUtils.createEnvConfig(Durability.COMMIT_NO_SYNC);
ReplicationConfig repConfig = new ReplicationConfig();
repConfig.setConfigParam(ReplicationMutableConfig.LOG_FLUSH_TASK_INTERVAL, "30 s");
repEnvInfo = RepTestUtils.setupEnvInfos(envRoot, 3, envConfig, repConfig);
RepTestUtils.joinGroup(repEnvInfo);
assertTrue(repEnvInfo[0].isMaster());
/* Check the LogFlusher configuration. */
TimerTask[] oldTasks = new TimerTask[repEnvInfo.length];
for (int i = 0; i < repEnvInfo.length; i++) {
LogFlusher flusher = repEnvInfo[i].getRepNode().getLogFlusher();
oldTasks[i] = flusher.getFlushTask();
assertTrue(flusher != null);
assertTrue(flusher.getFlushTask() != null);
assertTrue(flusher.getFlushInterval() == 30000);
}
/* Check that those configuratins are mutable. */
repConfig.setConfigParam(ReplicationMutableConfig.LOG_FLUSH_TASK_INTERVAL, "50 s");
for (int i = 0; i < repEnvInfo.length; i++) {
repEnvInfo[i].getEnv().setRepMutableConfig(repConfig);
}
for (int i = 0; i < repEnvInfo.length; i++) {
LogFlusher flusher = repEnvInfo[i].getRepNode().getLogFlusher();
assertTrue(flusher != null);
assertTrue(flusher.getFlushTask() != null);
assertTrue(flusher.getFlushTask() != oldTasks[i]);
assertTrue(flusher.getFlushInterval() == 50000);
}
repConfig.setConfigParam(ReplicationMutableConfig.RUN_LOG_FLUSH_TASK, "false");
for (int i = 0; i < repEnvInfo.length; i++) {
repEnvInfo[i].getEnv().setRepMutableConfig(repConfig);
}
for (int i = 0; i < repEnvInfo.length; i++) {
LogFlusher flusher = repEnvInfo[i].getRepNode().getLogFlusher();
assertTrue(flusher != null);
assertTrue(flusher.getFlushTask() == null);
}
RepTestUtils.shutdownRepEnvs(repEnvInfo);
RepTestUtils.removeRepEnvironments(envRoot);
repConfig.setConfigParam(ReplicationConfig.RUN_LOG_FLUSH_TASK, "false");
repEnvInfo = RepTestUtils.setupEnvInfos(envRoot, 3, envConfig, repConfig);
RepTestUtils.joinGroup(repEnvInfo);
/* Check that the task is disabled. */
for (int i = 0; i < repEnvInfo.length; i++) {
assertTrue(repEnvInfo[i].getRepNode().getLogFlusher() == null);
}
} catch (Throwable t) {
t.printStackTrace();
throw t;
} finally {
RepTestUtils.shutdownRepEnvs(repEnvInfo);
}
}
