Examples with WALPointer org.apache.ignite.internal.processors.cache.persistence.wal.WALPointer used on opensource projects

Example 41 with WALPointer

use of org.apache.ignite.internal.processors.cache.persistence.wal.WALPointer in project ignite by apache.

the class PageMemoryTracker method createWalManager.

/**
 * Creates WAL manager.
 */
IgniteWriteAheadLogManager createWalManager() {
    if (isEnabled()) {
        return new FileWriteAheadLogManager(gridCtx) {

            @Override
            public WALPointer log(WALRecord record) throws IgniteCheckedException {
                WALPointer res = super.log(record);
                applyWalRecord(record);
                return res;
            }

            @Override
            public void resumeLogging(WALPointer lastPtr) throws IgniteCheckedException {
                super.resumeLogging(lastPtr);
                if (lastPtr == null)
                    emptyPds = true;
            }
        };
    }
    return null;
}

Example 42 with WALPointer

use of org.apache.ignite.internal.processors.cache.persistence.wal.WALPointer in project ignite by apache.

the class StandaloneWalRecordsIteratorTest method testNoNextIfLowBoundInTheEnd.

/**
 */
@Test
public void testNoNextIfLowBoundInTheEnd() throws Exception {
    String dir = createWalFiles(3);
    WALIterator iter = createWalIterator(dir, null, null, false);
    assertFalse(iter.lastRead().isPresent());
    assertTrue(iter.hasNext());
    while (iter.hasNext()) {
        IgniteBiTuple<WALPointer, WALRecord> curr = iter.next();
        assertEquals("Last read should point to the current record", curr.get1(), iter.lastRead().get());
    }
    iter.close();
    iter = createWalIterator(dir, iter.lastRead().get().next(), null, false);
    assertFalse(iter.lastRead().isPresent());
    assertFalse(iter.hasNext());
    iter.close();
}

Example 43 with WALPointer

use of org.apache.ignite.internal.processors.cache.persistence.wal.WALPointer in project ignite by apache.

the class StandaloneWalRecordsIteratorTest method testNextRecordReturnedForLowBounds.

/**
 */
@Test
public void testNextRecordReturnedForLowBounds() throws Exception {
    String dir = createWalFiles(3);
    WALIterator iter = createWalIterator(dir, null, null, false);
    IgniteBiTuple<WALPointer, WALRecord> prev = iter.next();
    assertEquals("Last read should point to the current record", prev.get1(), iter.lastRead().get());
    iter.close();
    iter = createWalIterator(dir, iter.lastRead().get().next(), null, false);
    assertFalse(iter.lastRead().isPresent());
    assertTrue(iter.hasNext());
    while (iter.hasNext()) {
        IgniteBiTuple<WALPointer, WALRecord> cur = iter.next();
        assertEquals("Last read should point to the current record", cur.get1(), iter.lastRead().get());
        assertFalse("Should read next record[prev=" + prev.get1() + ", cur=" + cur.get1() + ']', prev.get1().equals(cur.get1()));
        prev = cur;
        iter.close();
        iter = createWalIterator(dir, iter.lastRead().get().next(), null, false);
        assertFalse(iter.lastRead().isPresent());
    }
    iter.close();
}

Example 44 with WALPointer

use of org.apache.ignite.internal.processors.cache.persistence.wal.WALPointer in project ignite by apache.

the class StandaloneWalRecordsIteratorTest method testLastRecordFiltered.

/**
 */
@Test
public void testLastRecordFiltered() throws Exception {
    String dir = createWalFiles();
    WALIterator iter = createWalIterator(dir, null, null, false);
    IgniteBiTuple<WALPointer, WALRecord> lastRec = null;
    // Search for the last record.
    while (iter.hasNext()) lastRec = iter.next();
    iter.close();
    assertNotNull(lastRec);
    WALPointer lastPointer = iter.lastRead().get();
    WALRecord.RecordType lastRecType = lastRec.get2().type();
    // Iterating and filter out last record.
    iter = createWalIterator(dir, null, null, false, (type, ptr) -> type != lastRecType);
    assertTrue(iter.hasNext());
    while (iter.hasNext()) {
        lastRec = iter.next();
        // Type is null for filtered records.
        assertNotNull(lastRec.get2().type());
        assertTrue(lastRec.get2().type() != lastRecType);
    }
    iter.close();
    assertNotNull(lastRec);
    assertEquals("LastRead should point to the last WAL Record even it filtered", lastPointer, iter.lastRead().get());
    // Record on `lastPointer` is filtered so.
    assertEquals("Last returned record should be before lastPointer", -1, lastRec.get1().compareTo(lastPointer));
}

Example 45 with WALPointer

use of org.apache.ignite.internal.processors.cache.persistence.wal.WALPointer in project ignite by apache.

the class StandaloneWalRecordsIteratorTest method testStrictBounds.

/**
 * Check correct check bounds.
 *
 * @throws Exception if test failed.
 */
@Test
public void testStrictBounds() throws Exception {
    String dir = createWalFiles();
    WALPointer lowBound = null, highBound = null;
    for (IgniteBiTuple<WALPointer, WALRecord> p : createWalIterator(dir, null, null, false)) {
        if (lowBound == null)
            lowBound = p.get1();
        highBound = p.get1();
    }
    assertNotNull(lowBound);
    assertNotNull(highBound);
    createWalIterator(dir, lowBound, highBound, true);
    final WALPointer lBound = lowBound;
    final WALPointer hBound = highBound;
    // noinspection ThrowableNotThrown
    GridTestUtils.assertThrows(log, () -> {
        createWalIterator(dir, new WALPointer(lBound.index() - 1, 0, 0), hBound, true);
        return 0;
    }, IgniteCheckedException.class, null);
    // noinspection ThrowableNotThrown
    GridTestUtils.assertThrows(log, () -> {
        createWalIterator(dir, lBound, new WALPointer(hBound.index() + 1, 0, 0), true);
        return 0;
    }, IgniteCheckedException.class, null);
    List<FileDescriptor> walFiles = listWalFiles(dir);
    assertNotNull(walFiles);
    assertTrue(!walFiles.isEmpty());
    assertTrue(walFiles.get(new Random().nextInt(walFiles.size())).file().delete());
    // noinspection ThrowableNotThrown
    GridTestUtils.assertThrows(log, () -> {
        createWalIterator(dir, lBound, hBound, true);
        return 0;
    }, IgniteCheckedException.class, null);
}