Examples with NamedThreadFactory org.apache.jackrabbit.core.data.util.NamedThreadFactory used on opensource projects

Example 1 with NamedThreadFactory

use of org.apache.jackrabbit.core.data.util.NamedThreadFactory in project jackrabbit by apache.

the class CachingDataStore method init.

/**
     * Initialized the data store. If the path is not set, <repository
     * home>/repository/datastore is used. This directory is automatically
     * created if it does not yet exist. During first initialization, it upload
     * all files from local datastore to backed and local datastore act as a
     * local cache.
     */
@Override
public void init(String homeDir) throws RepositoryException {
    try {
        if (path == null) {
            path = homeDir + "/repository/datastore";
        }
        // create tmp inside path
        tmpDir = new File(path, "tmp");
        LOG.info("path=[{}],  tmpPath=[{}]", path, tmpDir.getAbsolutePath());
        directory = new File(path);
        mkdirs(directory);
        mkdirs(new File(homeDir));
        if (!mkdirs(tmpDir)) {
            FileUtils.cleanDirectory(tmpDir);
            LOG.info("tmp=[{}] cleaned.", tmpDir.getPath());
        }
        boolean asyncWriteCacheInitStatus = true;
        try {
            asyncWriteCache = new AsyncUploadCache();
            asyncWriteCache.init(homeDir, path, asyncUploadLimit);
        } catch (Exception e) {
            LOG.warn("Failed to initialize asyncWriteCache", e);
            asyncWriteCacheInitStatus = false;
        }
        backend = createBackend();
        backend.init(this, path, config);
        String markerFileName = getMarkerFile();
        if (markerFileName != null && !"".equals(markerFileName.trim())) {
            // create marker file in homeDir to avoid deletion in cache
            // cleanup.
            File markerFile = new File(homeDir, markerFileName);
            if (!markerFile.exists()) {
                LOG.info("load files from local cache");
                uploadFilesFromCache();
                try {
                    markerFile.createNewFile();
                } catch (IOException e) {
                    throw new DataStoreException("Could not create marker file " + markerFile.getAbsolutePath(), e);
                }
            } else {
                LOG.info("marker file = [{}] exists ", markerFile.getAbsolutePath());
                if (!asyncWriteCacheInitStatus) {
                    LOG.info("Initialization of asyncWriteCache failed. " + "Re-loading all files from local cache");
                    uploadFilesFromCache();
                    asyncWriteCache.reset();
                }
            }
        } else {
            throw new DataStoreException("Failed to intialized DataStore." + " MarkerFileName is null or empty. ");
        }
        // upload any leftover async uploads to backend during last shutdown
        Set<String> fileList = asyncWriteCache.getAll();
        if (fileList != null && !fileList.isEmpty()) {
            List<String> errorFiles = new ArrayList<String>();
            LOG.info("Uploading [{}] and size=[{}] from AsyncUploadCache.", fileList, fileList.size());
            long totalSize = 0;
            List<File> files = new ArrayList<File>(fileList.size());
            for (String fileName : fileList) {
                File f = new File(path, fileName);
                if (!f.exists()) {
                    errorFiles.add(fileName);
                    LOG.error("Cannot upload pending file [{}]. File doesn't exist.", f.getAbsolutePath());
                } else {
                    totalSize += f.length();
                    files.add(new File(path, fileName));
                }
            }
            new FilesUploader(files, totalSize, concurrentUploadsThreads, true).upload();
            if (!continueOnAsyncUploadFailure && errorFiles.size() > 0) {
                LOG.error("Pending uploads of files [{}] failed. Files do not exist in Local cache.", errorFiles);
                LOG.error("To continue set [continueOnAsyncUploadFailure] " + "to true in Datastore configuration in " + "repository.xml. There would be inconsistent data " + "in repository due the missing files. ");
                throw new RepositoryException("Cannot upload async uploads from local cache. Files not found.");
            } else {
                if (errorFiles.size() > 0) {
                    LOG.error("Pending uploads of files [{}] failed. Files do" + " not exist in Local cache. Continuing as " + "[continueOnAsyncUploadFailure] is set to true.", errorFiles);
                }
                LOG.info("Reseting AsyncWrite Cache list.");
                asyncWriteCache.reset();
            }
        }
        downloadExecService = Executors.newFixedThreadPool(5, new NamedThreadFactory("backend-file-download-worker"));
        cache = new LocalCache(path, tmpDir.getAbsolutePath(), cacheSize, cachePurgeTrigFactor, cachePurgeResizeFactor, asyncWriteCache);
        /*
             * Initialize LRU cache of size {@link #recLengthCacheSize}
             */
        recLenCache = Collections.synchronizedMap(new LinkedHashMap<DataIdentifier, Long>(recLengthCacheSize, 0.75f, true) {

            private static final long serialVersionUID = -8752749075395630485L;

            @Override
            protected boolean removeEldestEntry(Map.Entry<DataIdentifier, Long> eldest) {
                if (size() > recLengthCacheSize) {
                    LOG.trace("evicted from recLengthCache [{}]", eldest.getKey());
                    return true;
                }
                return false;
            }
        });
    } catch (Exception e) {
        throw new RepositoryException(e);
    }
}

Example 2 with NamedThreadFactory

use of org.apache.jackrabbit.core.data.util.NamedThreadFactory in project jackrabbit by apache.

the class S3Backend method renameKeys.

/**
     * This method rename object keys in S3 concurrently. The number of
     * concurrent threads is defined by 'maxConnections' property in
     * aws.properties. As S3 doesn't have "move" command, this method simulate
     * move as copy object object to new key and then delete older key.
     */
private void renameKeys() throws DataStoreException {
    long startTime = System.currentTimeMillis();
    ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
    long count = 0;
    try {
        Thread.currentThread().setContextClassLoader(getClass().getClassLoader());
        ObjectListing prevObjectListing = s3service.listObjects(bucket);
        List<DeleteObjectsRequest.KeyVersion> deleteList = new ArrayList<DeleteObjectsRequest.KeyVersion>();
        int nThreads = Integer.parseInt(properties.getProperty("maxConnections"));
        ExecutorService executor = Executors.newFixedThreadPool(nThreads, new NamedThreadFactory("s3-object-rename-worker"));
        boolean taskAdded = false;
        while (true) {
            for (S3ObjectSummary s3ObjSumm : prevObjectListing.getObjectSummaries()) {
                executor.execute(new KeyRenameThread(s3ObjSumm.getKey()));
                taskAdded = true;
                count++;
                // delete the object if it follows old key name format
                if (s3ObjSumm.getKey().startsWith(KEY_PREFIX)) {
                    deleteList.add(new DeleteObjectsRequest.KeyVersion(s3ObjSumm.getKey()));
                }
            }
            if (!prevObjectListing.isTruncated())
                break;
            prevObjectListing = s3service.listNextBatchOfObjects(prevObjectListing);
        }
        // This will make the executor accept no new threads
        // and finish all existing threads in the queue
        executor.shutdown();
        try {
            // Wait until all threads are finish
            while (taskAdded && !executor.awaitTermination(10, TimeUnit.SECONDS)) {
                LOG.info("Rename S3 keys tasks timedout. Waiting again");
            }
        } catch (InterruptedException ie) {
        }
        LOG.info("Renamed [{}] keys, time taken [{}]sec", count, ((System.currentTimeMillis() - startTime) / 1000));
        // Delete older keys.
        if (deleteList.size() > 0) {
            DeleteObjectsRequest delObjsReq = new DeleteObjectsRequest(bucket);
            int batchSize = 500, startIndex = 0, size = deleteList.size();
            int endIndex = batchSize < size ? batchSize : size;
            while (endIndex <= size) {
                delObjsReq.setKeys(Collections.unmodifiableList(deleteList.subList(startIndex, endIndex)));
                DeleteObjectsResult dobjs = s3service.deleteObjects(delObjsReq);
                LOG.info("Records[{}] deleted in datastore from index [{}] to [{}]", new Object[] { dobjs.getDeletedObjects().size(), startIndex, (endIndex - 1) });
                if (endIndex == size) {
                    break;
                } else {
                    startIndex = endIndex;
                    endIndex = (startIndex + batchSize) < size ? (startIndex + batchSize) : size;
                }
            }
        }
    } finally {
        if (contextClassLoader != null) {
            Thread.currentThread().setContextClassLoader(contextClassLoader);
        }
    }
}

Example 3 with NamedThreadFactory

use of org.apache.jackrabbit.core.data.util.NamedThreadFactory in project jackrabbit-oak by apache.

the class S3Backend method init.

public void init(CachingDataStore store, String homeDir, Properties prop) throws DataStoreException {
    ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
    try {
        startTime = new Date();
        Thread.currentThread().setContextClassLoader(getClass().getClassLoader());
        LOG.debug("init");
        this.store = store;
        s3ReqDecorator = new S3RequestDecorator(prop);
        s3service = Utils.openService(prop);
        if (bucket == null || "".equals(bucket.trim())) {
            bucket = prop.getProperty(S3Constants.S3_BUCKET);
            // Alternately check if the 'container' property is set
            if (Strings.isNullOrEmpty(bucket)) {
                bucket = prop.getProperty(S3Constants.S3_CONTAINER);
            }
        }
        String region = prop.getProperty(S3Constants.S3_REGION);
        Region s3Region = null;
        if (StringUtils.isNullOrEmpty(region)) {
            com.amazonaws.regions.Region ec2Region = Regions.getCurrentRegion();
            if (ec2Region != null) {
                s3Region = Region.fromValue(ec2Region.getName());
            } else {
                throw new AmazonClientException("parameter [" + S3Constants.S3_REGION + "] not configured and cannot be derived from environment");
            }
        } else {
            if (Utils.DEFAULT_AWS_BUCKET_REGION.equals(region)) {
                s3Region = Region.US_Standard;
            } else if (Region.EU_Ireland.toString().equals(region)) {
                s3Region = Region.EU_Ireland;
            } else {
                s3Region = Region.fromValue(region);
            }
        }
        if (!s3service.doesBucketExist(bucket)) {
            s3service.createBucket(bucket, s3Region);
            LOG.info("Created bucket [{}] in [{}] ", bucket, region);
        } else {
            LOG.info("Using bucket [{}] in [{}] ", bucket, region);
        }
        int writeThreads = 10;
        String writeThreadsStr = prop.getProperty(S3Constants.S3_WRITE_THREADS);
        if (writeThreadsStr != null) {
            writeThreads = Integer.parseInt(writeThreadsStr);
        }
        LOG.info("Using thread pool of [{}] threads in S3 transfer manager.", writeThreads);
        tmx = new TransferManager(s3service, (ThreadPoolExecutor) Executors.newFixedThreadPool(writeThreads, new NamedThreadFactory("s3-transfer-manager-worker")));
        int asyncWritePoolSize = 10;
        String maxConnsStr = prop.getProperty(S3Constants.S3_MAX_CONNS);
        if (maxConnsStr != null) {
            asyncWritePoolSize = Integer.parseInt(maxConnsStr) - writeThreads;
        }
        asyncWriteExecuter = (ThreadPoolExecutor) Executors.newFixedThreadPool(asyncWritePoolSize, new NamedThreadFactory("s3-write-worker"));
        String renameKeyProp = prop.getProperty(S3Constants.S3_RENAME_KEYS);
        boolean renameKeyBool = (renameKeyProp == null || "".equals(renameKeyProp)) ? false : Boolean.parseBoolean(renameKeyProp);
        LOG.info("Rename keys [{}]", renameKeyBool);
        if (renameKeyBool) {
            renameKeys();
        }
        LOG.debug("S3 Backend initialized in [{}] ms", +(System.currentTimeMillis() - startTime.getTime()));
    } catch (Exception e) {
        LOG.debug("  error ", e);
        Map<String, String> filteredMap = Maps.newHashMap();
        if (prop != null) {
            filteredMap = Maps.filterKeys(Maps.fromProperties(prop), new Predicate<String>() {

                @Override
                public boolean apply(String input) {
                    return !input.equals(S3Constants.ACCESS_KEY) && !input.equals(S3Constants.SECRET_KEY);
                }
            });
        }
        throw new DataStoreException("Could not initialize S3 from " + filteredMap, e);
    } finally {
        if (contextClassLoader != null) {
            Thread.currentThread().setContextClassLoader(contextClassLoader);
        }
    }
}

Example 4 with NamedThreadFactory

use of org.apache.jackrabbit.core.data.util.NamedThreadFactory in project jackrabbit-oak by apache.

the class S3Backend method init.

public void init() throws DataStoreException {
    ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
    try {
        startTime = new Date();
        Thread.currentThread().setContextClassLoader(getClass().getClassLoader());
        LOG.debug("init");
        s3ReqDecorator = new S3RequestDecorator(properties);
        s3service = Utils.openService(properties);
        if (bucket == null || "".equals(bucket.trim())) {
            bucket = properties.getProperty(S3Constants.S3_BUCKET);
            // Alternately check if the 'container' property is set
            if (Strings.isNullOrEmpty(bucket)) {
                bucket = properties.getProperty(S3Constants.S3_CONTAINER);
            }
        }
        secret = properties.getProperty("secret");
        String region = properties.getProperty(S3Constants.S3_REGION);
        Region s3Region;
        if (StringUtils.isNullOrEmpty(region)) {
            com.amazonaws.regions.Region ec2Region = Regions.getCurrentRegion();
            if (ec2Region != null) {
                s3Region = Region.fromValue(ec2Region.getName());
            } else {
                throw new AmazonClientException("parameter [" + S3Constants.S3_REGION + "] not configured and cannot be derived from environment");
            }
        } else {
            if (Utils.DEFAULT_AWS_BUCKET_REGION.equals(region)) {
                s3Region = Region.US_Standard;
            } else if (Region.EU_Ireland.toString().equals(region)) {
                s3Region = Region.EU_Ireland;
            } else {
                s3Region = Region.fromValue(region);
            }
        }
        if (!s3service.doesBucketExist(bucket)) {
            s3service.createBucket(bucket, s3Region);
            LOG.info("Created bucket [{}] in [{}] ", bucket, region);
        } else {
            LOG.info("Using bucket [{}] in [{}] ", bucket, region);
        }
        int writeThreads = 10;
        String writeThreadsStr = properties.getProperty(S3Constants.S3_WRITE_THREADS);
        if (writeThreadsStr != null) {
            writeThreads = Integer.parseInt(writeThreadsStr);
        }
        LOG.info("Using thread pool of [{}] threads in S3 transfer manager.", writeThreads);
        tmx = new TransferManager(s3service, Executors.newFixedThreadPool(writeThreads, new NamedThreadFactory("s3-transfer-manager-worker")));
        String renameKeyProp = properties.getProperty(S3Constants.S3_RENAME_KEYS);
        boolean renameKeyBool = (renameKeyProp == null || "".equals(renameKeyProp)) ? false : Boolean.parseBoolean(renameKeyProp);
        LOG.info("Rename keys [{}]", renameKeyBool);
        if (renameKeyBool) {
            renameKeys();
        }
        LOG.debug("S3 Backend initialized in [{}] ms", +(System.currentTimeMillis() - startTime.getTime()));
    } catch (Exception e) {
        LOG.debug("  error ", e);
        Map<String, String> filteredMap = Maps.newHashMap();
        if (properties != null) {
            filteredMap = Maps.filterKeys(Maps.fromProperties(properties), new Predicate<String>() {

                @Override
                public boolean apply(String input) {
                    return !input.equals(S3Constants.ACCESS_KEY) && !input.equals(S3Constants.SECRET_KEY);
                }
            });
        }
        throw new DataStoreException("Could not initialize S3 from " + filteredMap, e);
    } finally {
        if (contextClassLoader != null) {
            Thread.currentThread().setContextClassLoader(contextClassLoader);
        }
    }
}

Example 5 with NamedThreadFactory

use of org.apache.jackrabbit.core.data.util.NamedThreadFactory in project jackrabbit-oak by apache.

the class S3Backend method renameKeys.

/**
     * This method rename object keys in S3 concurrently. The number of
     * concurrent threads is defined by 'maxConnections' property in
     * aws.properties. As S3 doesn't have "move" command, this method simulate
     * move as copy object object to new key and then delete older key.
     */
private void renameKeys() throws DataStoreException {
    long startTime = System.currentTimeMillis();
    ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
    long count = 0;
    try {
        Thread.currentThread().setContextClassLoader(getClass().getClassLoader());
        ObjectListing prevObjectListing = s3service.listObjects(bucket);
        List<DeleteObjectsRequest.KeyVersion> deleteList = new ArrayList<DeleteObjectsRequest.KeyVersion>();
        int nThreads = Integer.parseInt(properties.getProperty("maxConnections"));
        ExecutorService executor = Executors.newFixedThreadPool(nThreads, new NamedThreadFactory("s3-object-rename-worker"));
        boolean taskAdded = false;
        while (true) {
            for (S3ObjectSummary s3ObjSumm : prevObjectListing.getObjectSummaries()) {
                executor.execute(new KeyRenameThread(s3ObjSumm.getKey()));
                taskAdded = true;
                count++;
                // delete the object if it follows old key name format
                if (s3ObjSumm.getKey().startsWith(KEY_PREFIX)) {
                    deleteList.add(new DeleteObjectsRequest.KeyVersion(s3ObjSumm.getKey()));
                }
            }
            if (!prevObjectListing.isTruncated())
                break;
            prevObjectListing = s3service.listNextBatchOfObjects(prevObjectListing);
        }
        // This will make the executor accept no new threads
        // and finish all existing threads in the queue
        executor.shutdown();
        try {
            // Wait until all threads are finish
            while (taskAdded && !executor.awaitTermination(10, TimeUnit.SECONDS)) {
                LOG.info("Rename S3 keys tasks timedout. Waiting again");
            }
        } catch (InterruptedException ie) {
        }
        LOG.info("Renamed [{}] keys, time taken [{}]sec", count, ((System.currentTimeMillis() - startTime) / 1000));
        // Delete older keys.
        if (deleteList.size() > 0) {
            DeleteObjectsRequest delObjsReq = new DeleteObjectsRequest(bucket);
            int batchSize = 500, startIndex = 0, size = deleteList.size();
            int endIndex = batchSize < size ? batchSize : size;
            while (endIndex <= size) {
                delObjsReq.setKeys(Collections.unmodifiableList(deleteList.subList(startIndex, endIndex)));
                DeleteObjectsResult dobjs = s3service.deleteObjects(delObjsReq);
                LOG.info("Records[{}] deleted in datastore from index [{}] to [{}]", dobjs.getDeletedObjects().size(), startIndex, (endIndex - 1));
                if (endIndex == size) {
                    break;
                } else {
                    startIndex = endIndex;
                    endIndex = (startIndex + batchSize) < size ? (startIndex + batchSize) : size;
                }
            }
        }
    } finally {
        if (contextClassLoader != null) {
            Thread.currentThread().setContextClassLoader(contextClassLoader);
        }
    }
}