Examples with LogCloser org.apache.accumulo.server.manager.recovery.LogCloser used on opensource projects

Example 1 with LogCloser

use of org.apache.accumulo.server.manager.recovery.LogCloser in project accumulo by apache.

the class RecoveryManager method recoverLogs.

public boolean recoverLogs(KeyExtent extent, Collection<Collection<String>> walogs) throws IOException {
    boolean recoveryNeeded = false;
    for (Collection<String> logs : walogs) {
        for (String walog : logs) {
            Path switchedWalog = VolumeUtil.switchVolume(walog, FileType.WAL, manager.getContext().getVolumeReplacements());
            if (switchedWalog != null) {
                // replaces the volume used for sorting, but do not change entry in metadata table. When
                // the tablet loads it will change the metadata table entry. If
                // the tablet has the same replacement config, then it will find the sorted log.
                log.info("Volume replaced {} -> {}", walog, switchedWalog);
                walog = switchedWalog.toString();
            }
            String[] parts = walog.split("/");
            String sortId = parts[parts.length - 1];
            String filename = new Path(walog).toString();
            String dest = RecoveryPath.getRecoveryPath(new Path(filename)).toString();
            boolean sortQueued;
            synchronized (this) {
                sortQueued = sortsQueued.contains(sortId);
            }
            if (sortQueued && zooCache.get(manager.getZooKeeperRoot() + Constants.ZRECOVERY + "/" + sortId) == null) {
                synchronized (this) {
                    sortsQueued.remove(sortId);
                }
            }
            if (exists(SortedLogState.getFinishedMarkerPath(dest))) {
                synchronized (this) {
                    closeTasksQueued.remove(sortId);
                    recoveryDelay.remove(sortId);
                    sortsQueued.remove(sortId);
                }
                continue;
            }
            recoveryNeeded = true;
            synchronized (this) {
                if (!closeTasksQueued.contains(sortId) && !sortsQueued.contains(sortId)) {
                    AccumuloConfiguration aconf = manager.getConfiguration();
                    @SuppressWarnings("deprecation") LogCloser closer = Property.createInstanceFromPropertyName(aconf, aconf.resolve(Property.MANAGER_WAL_CLOSER_IMPLEMENTATION, Property.MANAGER_WALOG_CLOSER_IMPLEMETATION), LogCloser.class, new HadoopLogCloser());
                    Long delay = recoveryDelay.get(sortId);
                    if (delay == null) {
                        delay = aconf.getTimeInMillis(Property.MANAGER_RECOVERY_DELAY);
                    } else {
                        delay = Math.min(2 * delay, 1000 * 60 * 5L);
                    }
                    log.info("Starting recovery of {} (in : {}s), tablet {} holds a reference", filename, (delay / 1000), extent);
                    executor.schedule(new LogSortTask(closer, filename, dest, sortId), delay, TimeUnit.MILLISECONDS);
                    closeTasksQueued.add(sortId);
                    recoveryDelay.put(sortId, delay);
                }
            }
        }
    }
    return recoveryNeeded;
}