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

Example 6 with PageMemory

use of org.apache.ignite.internal.pagememory.PageMemory in project ignite-3 by apache.

the class PageMemoryNoLoadSelfTest method testPageHandleDeallocation.

@Test
public void testPageHandleDeallocation() throws Exception {
    PageMemory mem = memory();
    mem.start();
    try {
        int pages = 3 * 1024 * 1024 / (8 * 1024);
        Collection<FullPageId> handles = new HashSet<>();
        for (int i = 0; i < pages; i++) {
            handles.add(allocatePage(mem));
        }
        for (FullPageId fullId : handles) {
            mem.freePage(fullId.groupId(), fullId.pageId());
        }
        for (int i = 0; i < pages; i++) {
            assertFalse(handles.add(allocatePage(mem)));
        }
    } finally {
        mem.stop(true);
    }
}

Example 7 with PageMemory

use of org.apache.ignite.internal.pagememory.PageMemory in project ignite-3 by apache.

the class PageMemoryNoLoadSelfTest method testPageIdRotation.

@Test
public void testPageIdRotation() throws Exception {
    PageMemory mem = memory();
    mem.start();
    try {
        int pages = 5;
        Collection<FullPageId> old = new ArrayList<>();
        Collection<FullPageId> updated = new ArrayList<>();
        for (int i = 0; i < pages; i++) {
            old.add(allocatePage(mem));
        }
        // Check that initial pages are accessible.
        for (FullPageId id : old) {
            long pageApsPtr = mem.acquirePage(id.groupId(), id.pageId());
            try {
                long pageAddr = mem.writeLock(id.groupId(), id.pageId(), pageApsPtr);
                assertNotNull(pageAddr);
                try {
                    PAGE_IO.initNewPage(pageAddr, id.pageId(), mem.realPageSize(id.groupId()));
                    long updId = PageIdUtils.rotatePageId(id.pageId());
                    PageIo.setPageId(pageAddr, updId);
                    updated.add(new FullPageId(updId, id.groupId()));
                } finally {
                    mem.writeUnlock(id.groupId(), id.pageId(), pageApsPtr, true);
                }
            } finally {
                mem.releasePage(id.groupId(), id.pageId(), pageApsPtr);
            }
        }
        // Check that updated pages are inaccessible using old IDs.
        for (FullPageId id : old) {
            long pageApsPtr = mem.acquirePage(id.groupId(), id.pageId());
            try {
                long pageAddr = mem.writeLock(id.groupId(), id.pageId(), pageApsPtr);
                if (pageAddr != 0L) {
                    mem.writeUnlock(id.groupId(), id.pageId(), pageApsPtr, false);
                    fail("Was able to acquire page write lock.");
                }
                mem.readLock(id.groupId(), id.pageId(), pageApsPtr);
                if (pageAddr != 0) {
                    mem.readUnlock(id.groupId(), id.pageId(), pageApsPtr);
                    fail("Was able to acquire page read lock.");
                }
            } finally {
                mem.releasePage(id.groupId(), id.pageId(), pageApsPtr);
            }
        }
        // Check that updated pages are accessible using new IDs.
        for (FullPageId id : updated) {
            long pageApsPtr = mem.acquirePage(id.groupId(), id.pageId());
            try {
                long pageAddr = mem.writeLock(id.groupId(), id.pageId(), pageApsPtr);
                assertNotSame(0L, pageAddr);
                try {
                    assertEquals(id.pageId(), PageIo.getPageId(pageAddr));
                } finally {
                    mem.writeUnlock(id.groupId(), id.pageId(), pageApsPtr, false);
                }
                pageAddr = mem.readLock(id.groupId(), id.pageId(), pageApsPtr);
                assertNotSame(0L, pageAddr);
                try {
                    assertEquals(id.pageId(), PageIo.getPageId(pageAddr));
                } finally {
                    mem.readUnlock(id.groupId(), id.pageId(), pageApsPtr);
                }
            } finally {
                mem.releasePage(id.groupId(), id.pageId(), pageApsPtr);
            }
        }
    } finally {
        mem.stop(true);
    }
}

Example 8 with PageMemory

use of org.apache.ignite.internal.pagememory.PageMemory in project ignite-3 by apache.

the class PageMemoryImplNoLoadTest method memory.

/**
 * {@inheritDoc}
 */
@Override
protected PageMemory memory() throws Exception {
    dataRegionCfg.change(cfg -> cfg.convert(PageMemoryDataRegionChange.class).changePageSize(PAGE_SIZE).changeInitSize(MAX_MEMORY_SIZE).changeMaxSize(MAX_MEMORY_SIZE)).get(1, SECONDS);
    PageIoRegistry ioRegistry = new PageIoRegistry();
    ioRegistry.loadFromServiceLoader();
    return new PageMemoryImpl(new UnsafeMemoryProvider(null), (PageMemoryDataRegionConfiguration) fixConfiguration(dataRegionCfg), ioRegistry, LongStream.range(0, 10).map(i -> 5 * MiB).toArray(), new TestPageReadWriteManager(), (page, fullPageId, pageMemoryEx) -> {
    });
}

Example 9 with PageMemory

use of org.apache.ignite.internal.pagememory.PageMemory in project ignite-3 by apache.

the class ItBplusTreeSelfTest method createPageMemory.

/**
 * Returns page memory.
 *
 * @throws Exception If failed.
 */
protected PageMemory createPageMemory() throws Exception {
    dataRegionCfg.change(c -> c.convert(PageMemoryDataRegionChange.class).changePageSize(PAGE_SIZE).changeInitSize(MAX_MEMORY_SIZE).changeMaxSize(MAX_MEMORY_SIZE)).get(1, TimeUnit.SECONDS);
    TestPageIoRegistry ioRegistry = new TestPageIoRegistry();
    ioRegistry.loadFromServiceLoader();
    return new PageMemoryNoStoreImpl(new UnsafeMemoryProvider(null), (PageMemoryDataRegionConfiguration) fixConfiguration(dataRegionCfg), ioRegistry);
}

Example 10 with PageMemory

use of org.apache.ignite.internal.pagememory.PageMemory in project ignite-3 by apache.

the class ItBplusTreePageMemoryImplTest method createPageMemory.

/**
 * {@inheritDoc}
 */
@Override
protected PageMemory createPageMemory() throws Exception {
    dataRegionCfg.change(c -> c.convert(PageMemoryDataRegionChange.class).changePageSize(PAGE_SIZE).changeInitSize(MAX_MEMORY_SIZE).changeMaxSize(MAX_MEMORY_SIZE)).get(1, TimeUnit.SECONDS);
    long[] sizes = LongStream.range(0, CPUS + 1).map(i -> MAX_MEMORY_SIZE / CPUS).toArray();
    sizes[CPUS] = 10 * MiB;
    TestPageIoRegistry ioRegistry = new TestPageIoRegistry();
    ioRegistry.loadFromServiceLoader();
    return new PageMemoryImpl(new UnsafeMemoryProvider(null), (PageMemoryDataRegionConfiguration) fixConfiguration(dataRegionCfg), ioRegistry, sizes, new TestPageReadWriteManager(), (page, fullPageId, pageMemoryEx) -> {
    });
}