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

Example 11 with PageMemoryNoStoreImpl

use of org.apache.ignite.internal.pagemem.impl.PageMemoryNoStoreImpl in project ignite by apache.

the class FreeListImplSelfTest method createPageMemory.

/**
     * @return Page memory.
     */
protected PageMemory createPageMemory(int pageSize, MemoryPolicyConfiguration plcCfg) throws Exception {
    PageMemory pageMem = new PageMemoryNoStoreImpl(log, new UnsafeMemoryProvider(log), null, pageSize, plcCfg, new MemoryMetricsImpl(plcCfg), true);
    pageMem.start();
    return pageMem;
}

Example 12 with PageMemoryNoStoreImpl

use of org.apache.ignite.internal.pagemem.impl.PageMemoryNoStoreImpl in project ignite by apache.

the class IgniteCacheDatabaseSharedManager method createPageMemory.

/**
 * Creates PageMemory with given size and memory provider.
 *
 * @param memProvider Memory provider.
 * @param memCfg Memory configuartion.
 * @param memPlcCfg data region configuration.
 * @param memMetrics DataRegionMetrics to collect memory usage metrics.
 * @return PageMemory instance.
 */
protected PageMemory createPageMemory(DirectMemoryProvider memProvider, DataStorageConfiguration memCfg, DataRegionConfiguration memPlcCfg, DataRegionMetricsImpl memMetrics, boolean trackable) {
    memMetrics.persistenceEnabled(false);
    PageMemory pageMem = new PageMemoryNoStoreImpl(log, memProvider, cctx, memCfg.getPageSize(), memPlcCfg, memMetrics, false);
    memMetrics.pageMemory(pageMem);
    return pageMem;
}

Example 13 with PageMemoryNoStoreImpl

use of org.apache.ignite.internal.pagemem.impl.PageMemoryNoStoreImpl in project ignite by apache.

the class CacheDataRowAdapter method initFromLink.

/**
 * Read row from data pages.
 * Can be called with cctx == null, if cache instance is unknown, but its ID is stored in the data row.
 *
 * @param grp Cache group.
 * @param sharedCtx Shared context.
 * @param pageMem Page memory.
 * @param rowData Row data.
 * @throws IgniteCheckedException If failed.
 */
public final void initFromLink(@Nullable CacheGroupContext grp, GridCacheSharedContext<?, ?> sharedCtx, PageMemory pageMem, RowData rowData) throws IgniteCheckedException {
    assert link != 0 : "link";
    assert key == null : "key";
    CacheObjectContext coctx = grp != null ? grp.cacheObjectContext() : null;
    boolean readCacheId = grp == null || grp.storeCacheIdInDataPage();
    long nextLink = link;
    IncompleteObject<?> incomplete = null;
    boolean first = true;
    do {
        final long pageId = pageId(nextLink);
        // Group is null if try evict page, with persistence evictions should be disabled.
        assert grp != null || pageMem instanceof PageMemoryNoStoreImpl;
        int grpId = grp != null ? grp.groupId() : 0;
        final long page = pageMem.acquirePage(grpId, pageId);
        try {
            // Non-empty data page must not be recycled.
            long pageAddr = pageMem.readLock(grpId, pageId, page);
            assert pageAddr != 0L : nextLink;
            try {
                DataPageIO io = DataPageIO.VERSIONS.forPage(pageAddr);
                DataPagePayload data = io.readPayload(pageAddr, itemId(nextLink), pageMem.pageSize());
                nextLink = data.nextLink();
                if (first) {
                    if (nextLink == 0) {
                        // Fast path for a single page row.
                        readFullRow(sharedCtx, coctx, pageAddr + data.offset(), rowData, readCacheId);
                        return;
                    }
                    first = false;
                }
                ByteBuffer buf = pageMem.pageBuffer(pageAddr);
                buf.position(data.offset());
                buf.limit(data.offset() + data.payloadSize());
                boolean keyOnly = rowData == RowData.KEY_ONLY;
                incomplete = readFragment(sharedCtx, coctx, buf, keyOnly, readCacheId, incomplete);
                if (keyOnly && key != null)
                    return;
            } finally {
                pageMem.readUnlock(grpId, pageId, page);
            }
        } finally {
            pageMem.releasePage(grpId, pageId, page);
        }
    } while (nextLink != 0);
    assert isReady() : "ready";
}

Example 14 with PageMemoryNoStoreImpl

use of org.apache.ignite.internal.pagemem.impl.PageMemoryNoStoreImpl in project ignite by apache.

the class InlineIndexHelperTest method testStringTruncate.

/**
 */
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), 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;
        InlineIndexHelper ih = new InlineIndexHelper(Value.STRING, 1, 0, CompareMode.getInstance(null, 0));
        ih.put(pageAddr, off, ValueString.get("aaaaaaa"), 3 + 5);
        assertFalse(ih.isValueFull(pageAddr, off));
        assertEquals("aaaaa", ih.get(pageAddr, off, 3 + 5).getString());
        ih.put(pageAddr, off, ValueString.get("aaa"), 3 + 5);
        assertTrue(ih.isValueFull(pageAddr, off));
        assertEquals("aaa", ih.get(pageAddr, off, 3 + 5).getString());
        ih.put(pageAddr, off, ValueString.get("\u20acaaa"), 3 + 2);
        assertNull(ih.get(pageAddr, off, 3 + 2));
    } finally {
        if (page != 0L)
            pageMem.releasePage(CACHE_ID, pageId, page);
        pageMem.stop();
    }
}

Example 15 with PageMemoryNoStoreImpl

use of org.apache.ignite.internal.pagemem.impl.PageMemoryNoStoreImpl in project ignite by apache.

the class InlineIndexHelperTest method testBytes.

/**
 */
public void testBytes() 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), 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;
        InlineIndexHelper ih = new InlineIndexHelper(Value.BYTES, 1, 0, CompareMode.getInstance(null, 0));
        ih.put(pageAddr, off, ValueBytes.get(new byte[] { 1, 2, 3, 4, 5 }), 3 + 3);
        assertFalse(ih.isValueFull(pageAddr, off));
        assertTrue(Arrays.equals(new byte[] { 1, 2, 3 }, ih.get(pageAddr, off, 3 + 5).getBytes()));
        ih.put(pageAddr, off, ValueBytes.get(new byte[] { 1, 2, 3, 4, 5 }), 3 + 5);
        assertTrue(ih.isValueFull(pageAddr, off));
        assertTrue(Arrays.equals(new byte[] { 1, 2, 3, 4, 5 }, ih.get(pageAddr, off, 3 + 5).getBytes()));
    } finally {
        if (page != 0L)
            pageMem.releasePage(CACHE_ID, pageId, page);
        pageMem.stop();
    }
}