Examples with SplittableStorageManager org.teiid.common.buffer.impl.SplittableStorageManager used on opensource projects

Example 1 with SplittableStorageManager

use of org.teiid.common.buffer.impl.SplittableStorageManager in project teiid by teiid.

the class TestLocalBufferService method testCheckMemPropertyGotSet.

@Test
public void testCheckMemPropertyGotSet() throws Exception {
    BufferServiceImpl svc = new BufferServiceImpl();
    svc.setDiskDirectory(UnitTestUtil.getTestScratchPath() + "/teiid/1");
    svc.setUseDisk(true);
    svc.setInlineLobs(false);
    svc.start();
    // all the properties are set
    // $NON-NLS-1$
    assertTrue("Not Directory", svc.getBufferDirectory().isDirectory());
    // $NON-NLS-1$
    assertTrue("does not exist", svc.getBufferDirectory().exists());
    // $NON-NLS-1$ //$NON-NLS-2$
    assertTrue("does not end with one", svc.getBufferDirectory().getParent().endsWith("1"));
    assertTrue(svc.isUseDisk());
    assertFalse(svc.isInlineLobs());
    BufferManagerImpl mgr = svc.getBufferManager();
    SplittableStorageManager ssm = (SplittableStorageManager) ((BufferFrontedFileStoreCache) mgr.getCache()).getStorageManager();
    assertTrue(((FileStorageManager) ssm.getStorageManager()).getDirectory().endsWith(svc.getBufferDirectory().getName()));
}

Example 2 with SplittableStorageManager

use of org.teiid.common.buffer.impl.SplittableStorageManager in project teiid by teiid.

the class BufferManagerFactory method initBufferManager.

public static BufferManagerImpl initBufferManager(BufferManagerImpl bufferManager) {
    try {
        bufferManager.initialize();
        bufferManager.setUseWeakReferences(false);
        MemoryStorageManager storageManager = new MemoryStorageManager();
        SplittableStorageManager ssm = new SplittableStorageManager(storageManager);
        ssm.setMaxFileSizeDirect(MemoryStorageManager.MAX_FILE_SIZE);
        BufferFrontedFileStoreCache fsc = new BufferFrontedFileStoreCache();
        fsc.setBufferManager(bufferManager);
        // use conservative allocations
        // allow the space to be GCed easily
        fsc.setDirect(false);
        fsc.setMaxStorageObjectSize(1 << 20);
        fsc.setMemoryBufferSpace(1 << 21);
        fsc.setStorageManager(ssm);
        fsc.initialize();
        bufferManager.setCache(fsc);
        return bufferManager;
    } catch (TeiidComponentException e) {
        throw new RuntimeException(e);
    }
}

Example 3 with SplittableStorageManager

use of org.teiid.common.buffer.impl.SplittableStorageManager in project teiid by teiid.

the class BufferServiceImpl method start.

public void start() {
    try {
        // Construct and initialize the buffer manager
        this.bufferMgr = new BufferManagerImpl(false);
        this.bufferMgr.setProcessorBatchSize(processorBatchSize);
        this.bufferMgr.setMaxReserveKB(this.maxReserveKb);
        this.bufferMgr.setMaxProcessingKB(this.maxProcessingKb);
        this.bufferMgr.setInlineLobs(inlineLobs);
        this.bufferMgr.initialize();
        // If necessary, add disk storage manager
        if (useDisk) {
            // $NON-NLS-1$
            LogManager.logDetail(LogConstants.CTX_DQP, "Starting BufferManager using", bufferDir);
            if (!bufferDir.exists()) {
                this.bufferDir.mkdirs();
            }
            // start the file storage manager in clean state
            // wise FileStorageManager is smart enough to clean up after itself
            cleanDirectory(bufferDir);
            // Get the properties for FileStorageManager and create.
            fsm = new FileStorageManager();
            fsm.setStorageDirectory(bufferDir.getCanonicalPath());
            fsm.setMaxOpenFiles(maxOpenFiles);
            fsm.setMaxBufferSpace(maxBufferSpace * MB);
            SplittableStorageManager ssm = new SplittableStorageManager(fsm);
            ssm.setMaxFileSize(maxFileSize);
            StorageManager sm = ssm;
            if (encryptFiles) {
                sm = new EncryptedStorageManager(ssm);
            }
            fsc = new BufferFrontedFileStoreCache();
            fsc.setBufferManager(this.bufferMgr);
            fsc.setMaxStorageObjectSize(maxStorageObjectSize);
            fsc.setDirect(memoryBufferOffHeap);
            // use approximately 40% of what's set aside for the reserved accounting for conversion from kb to bytes
            long autoMaxBufferSpace = 4 * (((long) this.bufferMgr.getMaxReserveKB()) << 10) / 10;
            // estimate inode/batch overhead
            if (memoryBufferSpace < 0) {
                fsc.setMemoryBufferSpace(autoMaxBufferSpace);
            } else {
                // scale from MB to bytes
                fsc.setMemoryBufferSpace(memoryBufferSpace << 20);
            }
            long batchAndInodeOverheadKB = fsc.getMemoryBufferSpace() >> (memoryBufferOffHeap ? 19 : 17);
            this.bufferMgr.setMaxReserveKB((int) Math.max(0, this.bufferMgr.getMaxReserveKB() - batchAndInodeOverheadKB));
            if (this.maxReserveKb < 0) {
                if (memoryBufferOffHeap) {
                    // the default is too large if off heap
                    this.bufferMgr.setMaxReserveKB(8 * this.bufferMgr.getMaxReserveKB() / 10);
                } else {
                    // adjust the value for the main memory buffer
                    this.bufferMgr.setMaxReserveKB((int) Math.max(0, this.bufferMgr.getMaxReserveKB() - (fsc.getMemoryBufferSpace() >> 10)));
                }
            }
            fsc.setStorageManager(sm);
            fsc.initialize();
            this.bufferMgr.setCache(fsc);
            this.workingMaxReserveKb = this.bufferMgr.getMaxReserveKB();
        } else {
            MemoryStorageManager msm = new MemoryStorageManager();
            SplittableStorageManager ssm = new SplittableStorageManager(msm);
            ssm.setMaxFileSizeDirect(MemoryStorageManager.MAX_FILE_SIZE);
            this.bufferMgr.setCache(msm);
            this.bufferMgr.setStorageManager(ssm);
        }
    } catch (TeiidComponentException e) {
        throw new TeiidRuntimeException(RuntimePlugin.Event.TEIID40039, e, RuntimePlugin.Util.gs(RuntimePlugin.Event.TEIID40039));
    } catch (IOException e) {
        throw new TeiidRuntimeException(RuntimePlugin.Event.TEIID40039, e, RuntimePlugin.Util.gs(RuntimePlugin.Event.TEIID40039));
    }
}