Examples with PageMemory org.apache.ignite.internal.pagemem.PageMemory used on opensource projects

Example 51 with PageMemory

use of org.apache.ignite.internal.pagemem.PageMemory in project ignite by apache.

the class IndexPagesMetricsPageDisplacementTest method touchIdxPages.

/**
 * Acquires all pages inside the index partition for the given cache group in order to load them back into
 * memory if some of them had been displaced to the storage earlier.
 */
private void touchIdxPages(int grpId) throws IgniteCheckedException {
    DataRegion dataRegion = grid.context().cache().context().database().dataRegion(null);
    PageMemory pageMemory = dataRegion.pageMemory();
    for (long pageId : getIdxPagesOnDisk(grpId)) // acquire, but not release all pages, so that they don't get displaced back to the storage
    pageMemory.acquirePage(grpId, pageId);
}

Example 52 with PageMemory

use of org.apache.ignite.internal.pagemem.PageMemory in project ignite by apache.

the class InlineIndexColumnTest method testJavaObjectInlineHash.

/**
 */
@Test
public void testJavaObjectInlineHash() throws Exception {
    DataRegionConfiguration plcCfg = new DataRegionConfiguration().setInitialSize(1024 * MB).setMaxSize(1024 * MB);
    PageMemory pageMem = new PageMemoryNoStoreImpl(log, new UnsafeMemoryProvider(log), null, PAGE_SIZE, plcCfg, new DataRegionMetricsImpl(plcCfg, new GridTestKernalContext(log())), false);
    pageMem.start();
    long pageId = 0L;
    long page = 0L;
    try {
        pageId = pageMem.allocatePage(CACHE_ID, 1, PageIdAllocator.FLAG_DATA);
        page = pageMem.acquirePage(CACHE_ID, pageId);
        long pageAddr = pageMem.readLock(CACHE_ID, pageId, page);
        int off = 0;
        IndexKeyTypeSettings keyTypeSettings = new IndexKeyTypeSettings().stringOptimizedCompare(false);
        InlineIndexKeyType keyType = InlineIndexKeyTypeRegistry.get(Value.JAVA_OBJECT, keyTypeSettings);
        Value exp = wrap(new TestPojo(4, 3L), TestPojo.class);
        {
            int maxSize = 3;
            int savedBytesCnt = keyType.put(pageAddr, off, idxKey(exp), maxSize);
            Assert.assertEquals(0, savedBytesCnt);
        }
        {
            int maxSize = 7;
            int savedBytesCnt = keyType.put(pageAddr, off, idxKey(exp), maxSize);
            Assert.assertEquals(5, savedBytesCnt);
            Assert.assertEquals(exp.getObject().hashCode(), keyType.get(pageAddr, off, maxSize).key().hashCode());
            Assert.assertEquals(CANT_BE_COMPARE, keyType.compare(pageAddr, off, maxSize, idxKey(exp)));
        }
    } finally {
        if (page != 0L)
            pageMem.releasePage(CACHE_ID, pageId, page);
        pageMem.stop(true);
    }
}

Example 53 with PageMemory

use of org.apache.ignite.internal.pagemem.PageMemory in project ignite by apache.

the class InlineIndexColumnTest method testStringTruncate.

/**
 */
@Test
public void testStringTruncate() throws Exception {
    DataRegionConfiguration plcCfg = new DataRegionConfiguration().setInitialSize(1024 * MB).setMaxSize(1024 * MB);
    PageMemory pageMem = new PageMemoryNoStoreImpl(log, new UnsafeMemoryProvider(log), null, PAGE_SIZE, plcCfg, new DataRegionMetricsImpl(plcCfg, new GridTestKernalContext(log())), false);
    pageMem.start();
    long pageId = 0L;
    long page = 0L;
    try {
        pageId = pageMem.allocatePage(CACHE_ID, 1, PageIdAllocator.FLAG_DATA);
        page = pageMem.acquirePage(CACHE_ID, pageId);
        long pageAddr = pageMem.readLock(CACHE_ID, pageId, page);
        int off = 0;
        IndexKeyTypeSettings keyTypeSettings = new IndexKeyTypeSettings().inlineObjHash(false).stringOptimizedCompare(false);
        InlineIndexKeyType keyType = InlineIndexKeyTypeRegistry.get(Value.STRING, keyTypeSettings);
        keyType.put(pageAddr, off, idxKey(ValueString.get("aaaaaaa")), 3 + 5);
        assertEquals("aaaaa", keyType.get(pageAddr, off, 3 + 5).key());
        keyType.put(pageAddr, off, idxKey(ValueString.get("aaa")), 3 + 5);
        assertEquals("aaa", keyType.get(pageAddr, off, 3 + 5).key());
        keyType.put(pageAddr, off, idxKey(ValueString.get("\u20acaaa")), 3 + 2);
        assertNull(keyType.get(pageAddr, off, 3 + 2));
    } finally {
        if (page != 0L)
            pageMem.releasePage(CACHE_ID, pageId, page);
        pageMem.stop(true);
    }
}

Example 54 with PageMemory

use of org.apache.ignite.internal.pagemem.PageMemory in project ignite by apache.

the class InlineIndexColumnTest method testJavaObjectInlineBytes.

/**
 */
@Test
public void testJavaObjectInlineBytes() throws Exception {
    DataRegionConfiguration plcCfg = new DataRegionConfiguration().setInitialSize(1024 * MB).setMaxSize(1024 * MB);
    DataRegionMetricsImpl dataRegionMetrics = new DataRegionMetricsImpl(plcCfg, new GridTestKernalContext(log()));
    PageMemory pageMem = new PageMemoryNoStoreImpl(log, new UnsafeMemoryProvider(log), null, PAGE_SIZE, plcCfg, dataRegionMetrics, false);
    pageMem.start();
    long pageId = 0L;
    long page = 0L;
    try {
        pageId = pageMem.allocatePage(CACHE_ID, 1, PageIdAllocator.FLAG_DATA);
        page = pageMem.acquirePage(CACHE_ID, pageId);
        long pageAddr = pageMem.readLock(CACHE_ID, pageId, page);
        int off = 0;
        IndexKeyTypeSettings keyTypeSettings = new IndexKeyTypeSettings().inlineObjHash(false).stringOptimizedCompare(false);
        InlineIndexKeyType keyType = InlineIndexKeyTypeRegistry.get(Value.JAVA_OBJECT, keyTypeSettings);
        ValueJavaObject exp = ValueJavaObject.getNoCopy(new TestPojo(4, 3L), null, null);
        int maxSize = 3 + 3;
        int savedBytesCnt = keyType.put(pageAddr, off, idxKey(exp), maxSize);
        assertTrue(savedBytesCnt > 0);
        assertTrue(savedBytesCnt <= maxSize);
        maxSize = 3 + exp.getBytesNoCopy().length;
        assertTrue(Arrays.equals(Arrays.copyOf(exp.getBytesNoCopy(), 3), ((JavaObjectIndexKey) keyType.get(pageAddr, off, maxSize)).bytesNoCopy()));
        savedBytesCnt = keyType.put(pageAddr, off, idxKey(ValueJavaObject.getNoCopy(null, exp.getBytesNoCopy(), null)), maxSize);
        assertTrue(savedBytesCnt > 0);
        assertTrue(savedBytesCnt <= maxSize);
        assertTrue(Arrays.equals(exp.getBytesNoCopy(), ((JavaObjectIndexKey) keyType.get(pageAddr, off, maxSize)).bytesNoCopy()));
    } finally {
        if (page != 0L)
            pageMem.releasePage(CACHE_ID, pageId, page);
        pageMem.stop(true);
    }
}