in myriad-scheduler/src/main/java/org/apache/myriad/state/SchedulerState.java [394:419]
private synchronized void loadStateStore() {
if (this.stateStore == null) {
LOGGER.debug("Could not load state from state store as HA is disabled");
return;
}
try {
StoreContext sc = stateStore.loadMyriadState();
if (sc != null) {
this.frameworkId = sc.getFrameworkId();
this.tasks.putAll(sc.getTasks());
convertToThis(TaskState.PENDING, sc.getPendingTasks());
convertToThis(TaskState.STAGING, sc.getStagingTasks());
convertToThis(TaskState.ACTIVE, sc.getActiveTasks());
convertToThis(TaskState.LOST, sc.getLostTasks());
convertToThis(TaskState.KILLABLE, sc.getKillableTasks());
LOGGER.info("Loaded Myriad state from state store successfully.");
LOGGER.debug("State Store state includes frameworkId: {}, pending tasks count: {}, staging tasks count: {} " +
"active tasks count: {}, lost tasks count: {}, and killable tasks count: {}", frameworkId.getValue(),
this.getPendingTaskIds().size(), this.getStagingTaskIds().size(), this.getActiveTaskIds().size(),
this.getLostTaskIds().size(), this.getKillableTaskIds().size());
}
} catch (Exception e) {
LOGGER.error("Failed to read scheduler state from state store", e);
}
}