Examples with PageSnapshot org.apache.ignite.internal.pagemem.wal.record.PageSnapshot used on opensource projects

Example 21 with PageSnapshot

use of org.apache.ignite.internal.pagemem.wal.record.PageSnapshot in project ignite by apache.

the class WalCompactionTest method testApplyingUpdatesFromCompactedWal.

/**
 * @throws Exception If failed.
 */
public void testApplyingUpdatesFromCompactedWal() throws Exception {
    IgniteEx ig = (IgniteEx) startGrids(3);
    ig.active(true);
    IgniteCache<Integer, byte[]> cache = ig.cache("cache");
    for (int i = 0; i < ENTRIES; i++) {
        // At least 20MB of raw data in total.
        final byte[] val = new byte[20000];
        val[i] = 1;
        cache.put(i, val);
    }
    // Spam WAL to move all data records to compressible WAL zone.
    for (int i = 0; i < WAL_SEGMENT_SIZE / DFLT_PAGE_SIZE * 2; i++) ig.context().cache().context().wal().log(new PageSnapshot(new FullPageId(-1, -1), new byte[DFLT_PAGE_SIZE]));
    // WAL archive segment is allowed to be compressed when it's at least one checkpoint away from current WAL head.
    ig.context().cache().context().database().wakeupForCheckpoint("Forced checkpoint").get();
    ig.context().cache().context().database().wakeupForCheckpoint("Forced checkpoint").get();
    // Allow compressor to archive WAL segments.
    Thread.sleep(15_000);
    String nodeFolderName = ig.context().pdsFolderResolver().resolveFolders().folderName();
    File dbDir = U.resolveWorkDirectory(U.defaultWorkDirectory(), "db", false);
    File walDir = new File(dbDir, "wal");
    File archiveDir = new File(walDir, "archive");
    File nodeArchiveDir = new File(archiveDir, nodeFolderName);
    File walSegment = new File(nodeArchiveDir, FileWriteAheadLogManager.FileDescriptor.fileName(0) + ".zip");
    assertTrue(walSegment.exists());
    // Should be compressed at least in half.
    assertTrue(walSegment.length() < WAL_SEGMENT_SIZE / 2);
    stopAllGrids();
    File nodeLfsDir = new File(dbDir, nodeFolderName);
    File cpMarkersDir = new File(nodeLfsDir, "cp");
    File[] cpMarkers = cpMarkersDir.listFiles();
    assertNotNull(cpMarkers);
    assertTrue(cpMarkers.length > 0);
    File cacheDir = new File(nodeLfsDir, "cache-" + CACHE_NAME);
    File[] lfsFiles = cacheDir.listFiles();
    assertNotNull(lfsFiles);
    assertTrue(lfsFiles.length > 0);
    // Enforce reading WAL from the very beginning at the next start.
    for (File f : cpMarkers) f.delete();
    for (File f : lfsFiles) f.delete();
    ig = (IgniteEx) startGrids(3);
    ig.active(true);
    cache = ig.cache(CACHE_NAME);
    boolean fail = false;
    // Check that all data is recovered from compacted WAL.
    for (int i = 0; i < ENTRIES; i++) {
        byte[] arr = cache.get(i);
        if (arr == null) {
            System.out.println(">>> Missing: " + i);
            fail = true;
        } else if (arr[i] != 1) {
            System.out.println(">>> Corrupted: " + i);
            fail = true;
        }
    }
    assertFalse(fail);
}

Example 22 with PageSnapshot

use of org.apache.ignite.internal.pagemem.wal.record.PageSnapshot in project ignite by apache.

the class WalStat method registerRecord.

/**
 * Handles WAL record.
 *
 * @param record record to handle.
 * @param walPointer pointer, used to extract segment index.
 * @param workDir true for work, false for archive folder.
 */
void registerRecord(WALRecord record, WALPointer walPointer, boolean workDir) {
    WALRecord.RecordType type = record.type();
    if (type == WALRecord.RecordType.PAGE_RECORD)
        registerPageSnapshot((PageSnapshot) record);
    else if (type == WALRecord.RecordType.DATA_RECORD)
        registerDataRecord((DataRecord) record);
    else if (type == WALRecord.RecordType.TX_RECORD)
        registerTxRecord((TxRecord) record);
    incrementStat(type.toString(), record, recTypeSizes);
    if (walPointer instanceof FileWALPointer) {
        final FileWALPointer fPtr = (FileWALPointer) walPointer;
        incrementStat(Long.toString(fPtr.index()), record, segmentsIndexes);
        incrementStat(workDir ? "work" : "archive", record, segmentsFolder);
    }
}

Example 23 with PageSnapshot

use of org.apache.ignite.internal.pagemem.wal.record.PageSnapshot in project ignite by apache.

the class RecordDataV2Serializer method readPlainRecord.

/**
 * {@inheritDoc}
 */
@Override
WALRecord readPlainRecord(RecordType type, ByteBufferBackedDataInput in, boolean encrypted, int recordSize) throws IOException, IgniteCheckedException {
    switch(type) {
        case PAGE_RECORD:
            int cacheId = in.readInt();
            long pageId = in.readLong();
            byte[] arr = new byte[recordSize - 4 - /* cacheId */
            8];
            in.readFully(arr);
            return new PageSnapshot(new FullPageId(pageId, cacheId), arr, encrypted ? realPageSize : pageSize);
        case CHECKPOINT_RECORD:
            long msb = in.readLong();
            long lsb = in.readLong();
            boolean hasPtr = in.readByte() != 0;
            long idx0 = hasPtr ? in.readLong() : 0;
            int off = hasPtr ? in.readInt() : 0;
            int len = hasPtr ? in.readInt() : 0;
            Map<Integer, CacheState> states = readPartitionStates(in);
            boolean end = in.readByte() != 0;
            WALPointer walPtr = hasPtr ? new WALPointer(idx0, off, len) : null;
            CheckpointRecord cpRec = new CheckpointRecord(new UUID(msb, lsb), walPtr, end);
            cpRec.cacheGroupStates(states);
            return cpRec;
        case DATA_RECORD:
        case DATA_RECORD_V2:
            int entryCnt = in.readInt();
            long timeStamp = in.readLong();
            if (entryCnt == 1)
                return new DataRecord(readPlainDataEntry(in, type), timeStamp);
            else {
                List<DataEntry> entries = new ArrayList<>(entryCnt);
                for (int i = 0; i < entryCnt; i++) entries.add(readPlainDataEntry(in, type));
                return new DataRecord(entries, timeStamp);
            }
        case MVCC_DATA_RECORD:
            entryCnt = in.readInt();
            timeStamp = in.readLong();
            List<DataEntry> entries = new ArrayList<>(entryCnt);
            for (int i = 0; i < entryCnt; i++) entries.add(readMvccDataEntry(in));
            return new MvccDataRecord(entries, timeStamp);
        case ENCRYPTED_DATA_RECORD:
        case ENCRYPTED_DATA_RECORD_V2:
        case ENCRYPTED_DATA_RECORD_V3:
            entryCnt = in.readInt();
            timeStamp = in.readLong();
            if (entryCnt == 1)
                return new DataRecord(readEncryptedDataEntry(in, type), timeStamp);
            else {
                entries = new ArrayList<>(entryCnt);
                for (int i = 0; i < entryCnt; i++) entries.add(readEncryptedDataEntry(in, type));
                return new DataRecord(entries, timeStamp);
            }
        case SNAPSHOT:
            long snpId = in.readLong();
            byte full = in.readByte();
            return new SnapshotRecord(snpId, full == 1);
        case EXCHANGE:
            int idx = in.readInt();
            short constId = in.readShort();
            long ts = in.readLong();
            return new ExchangeRecord(constId, ExchangeRecord.Type.values()[idx], ts);
        case TX_RECORD:
            return txRecordSerializer.readTx(in);
        case MVCC_TX_RECORD:
            return txRecordSerializer.readMvccTx(in);
        case ROLLBACK_TX_RECORD:
            int grpId = in.readInt();
            int partId = in.readInt();
            long start = in.readLong();
            long range = in.readLong();
            return new RollbackRecord(grpId, partId, start, range);
        case TRACKING_PAGE_REPAIR_DELTA:
            cacheId = in.readInt();
            pageId = in.readLong();
            return new TrackingPageRepairDeltaRecord(cacheId, pageId);
        default:
            return super.readPlainRecord(type, in, encrypted, recordSize);
    }
}

Example 24 with PageSnapshot

use of org.apache.ignite.internal.pagemem.wal.record.PageSnapshot in project ignite by apache.

the class GridCacheDatabaseSharedManager method performBinaryMemoryRestore.

/**
 * @param status Checkpoint status.
 * @param cacheGroupsPredicate Cache groups to restore.
 * @throws IgniteCheckedException If failed.
 * @throws StorageException In case I/O error occurred during operations with storage.
 */
private RestoreBinaryState performBinaryMemoryRestore(CheckpointStatus status, IgnitePredicate<Integer> cacheGroupsPredicate, IgniteBiPredicate<WALRecord.RecordType, WALPointer> recordTypePredicate, boolean finalizeState) throws IgniteCheckedException {
    if (log.isInfoEnabled())
        log.info("Checking memory state [lastValidPos=" + status.endPtr + ", lastMarked=" + status.startPtr + ", lastCheckpointId=" + status.cpStartId + ']');
    WALPointer recPtr = status.endPtr;
    boolean apply = status.needRestoreMemory();
    try {
        WALRecord startRec = !CheckpointStatus.NULL_PTR.equals(status.startPtr) || apply ? cctx.wal().read(status.startPtr) : null;
        if (apply) {
            if (finalizeState)
                U.quietAndWarn(log, "Ignite node stopped in the middle of checkpoint. Will restore memory state and " + "finish checkpoint on node start.");
            cctx.cache().cacheGroupDescriptors().forEach((grpId, desc) -> {
                if (!cacheGroupsPredicate.apply(grpId))
                    return;
                try {
                    DataRegion region = cctx.database().dataRegion(desc.config().getDataRegionName());
                    if (region == null || !cctx.isLazyMemoryAllocation(region))
                        return;
                    region.pageMemory().start();
                } catch (IgniteCheckedException e) {
                    throw new IgniteException(e);
                }
            });
            cctx.pageStore().beginRecover();
            if (!(startRec instanceof CheckpointRecord))
                throw new StorageException("Checkpoint marker doesn't point to checkpoint record " + "[ptr=" + status.startPtr + ", rec=" + startRec + "]");
            WALPointer cpMark = ((CheckpointRecord) startRec).checkpointMark();
            if (cpMark != null) {
                if (log.isInfoEnabled())
                    log.info("Restoring checkpoint after logical recovery, will start physical recovery from " + "back pointer: " + cpMark);
                recPtr = cpMark;
            }
        } else
            cctx.wal().notchLastCheckpointPtr(status.startPtr);
    } catch (NoSuchElementException e) {
        throw new StorageException("Failed to read checkpoint record from WAL, persistence consistency " + "cannot be guaranteed. Make sure configuration points to correct WAL folders and WAL folder is " + "properly mounted [ptr=" + status.startPtr + ", walPath=" + persistenceCfg.getWalPath() + ", walArchive=" + persistenceCfg.getWalArchivePath() + "]");
    }
    AtomicReference<Throwable> applyError = new AtomicReference<>();
    StripedExecutor exec = cctx.kernalContext().pools().getStripedExecutorService();
    Semaphore semaphore = new Semaphore(semaphorePertmits(exec));
    long start = U.currentTimeMillis();
    long lastArchivedSegment = cctx.wal().lastArchivedSegment();
    WALIterator it = cctx.wal().replay(recPtr, recordTypePredicate);
    RestoreBinaryState restoreBinaryState = new RestoreBinaryState(status, it, lastArchivedSegment, cacheGroupsPredicate);
    AtomicLong applied = new AtomicLong();
    try {
        while (restoreBinaryState.hasNext()) {
            if (applyError.get() != null)
                break;
            WALRecord rec = restoreBinaryState.next();
            if (rec == null)
                break;
            switch(rec.type()) {
                case PAGE_RECORD:
                    if (restoreBinaryState.needApplyBinaryUpdate()) {
                        PageSnapshot pageSnapshot = (PageSnapshot) rec;
                        // Here we do not require tag check because we may be applying memory changes after
                        // several repetitive restarts and the same pages may have changed several times.
                        int groupId = pageSnapshot.fullPageId().groupId();
                        int partId = partId(pageSnapshot.fullPageId().pageId());
                        if (skipRemovedIndexUpdates(groupId, partId))
                            break;
                        stripedApplyPage((pageMem) -> {
                            try {
                                applyPageSnapshot(pageMem, pageSnapshot);
                                applied.incrementAndGet();
                            } catch (Throwable t) {
                                U.error(log, "Failed to apply page snapshot. rec=[" + pageSnapshot + ']');
                                applyError.compareAndSet(null, (t instanceof IgniteCheckedException) ? (IgniteCheckedException) t : new IgniteCheckedException("Failed to apply page snapshot", t));
                            }
                        }, groupId, partId, exec, semaphore);
                    }
                    break;
                case PART_META_UPDATE_STATE:
                    PartitionMetaStateRecord metaStateRecord = (PartitionMetaStateRecord) rec;
                    {
                        int groupId = metaStateRecord.groupId();
                        int partId = metaStateRecord.partitionId();
                        stripedApplyPage((pageMem) -> {
                            GridDhtPartitionState state = fromOrdinal(metaStateRecord.state());
                            if (state == null || state == GridDhtPartitionState.EVICTED)
                                schedulePartitionDestroy(groupId, partId);
                            else {
                                try {
                                    cancelOrWaitPartitionDestroy(groupId, partId);
                                } catch (Throwable t) {
                                    U.error(log, "Failed to cancel or wait partition destroy. rec=[" + metaStateRecord + ']');
                                    applyError.compareAndSet(null, (t instanceof IgniteCheckedException) ? (IgniteCheckedException) t : new IgniteCheckedException("Failed to cancel or wait partition destroy", t));
                                }
                            }
                        }, groupId, partId, exec, semaphore);
                    }
                    break;
                case PARTITION_DESTROY:
                    PartitionDestroyRecord destroyRecord = (PartitionDestroyRecord) rec;
                    {
                        int groupId = destroyRecord.groupId();
                        int partId = destroyRecord.partitionId();
                        stripedApplyPage((pageMem) -> {
                            pageMem.invalidate(groupId, partId);
                            schedulePartitionDestroy(groupId, partId);
                        }, groupId, partId, exec, semaphore);
                    }
                    break;
                default:
                    if (restoreBinaryState.needApplyBinaryUpdate() && rec instanceof PageDeltaRecord) {
                        PageDeltaRecord pageDelta = (PageDeltaRecord) rec;
                        int groupId = pageDelta.groupId();
                        int partId = partId(pageDelta.pageId());
                        if (skipRemovedIndexUpdates(groupId, partId))
                            break;
                        stripedApplyPage((pageMem) -> {
                            try {
                                applyPageDelta(pageMem, pageDelta, true);
                                applied.incrementAndGet();
                            } catch (Throwable t) {
                                U.error(log, "Failed to apply page delta. rec=[" + pageDelta + ']');
                                applyError.compareAndSet(null, (t instanceof IgniteCheckedException) ? (IgniteCheckedException) t : new IgniteCheckedException("Failed to apply page delta", t));
                            }
                        }, groupId, partId, exec, semaphore);
                    }
            }
        }
    } finally {
        it.close();
        awaitApplyComplete(exec, applyError);
    }
    if (!finalizeState)
        return null;
    WALPointer lastReadPtr = restoreBinaryState.lastReadRecordPointer();
    if (status.needRestoreMemory()) {
        if (restoreBinaryState.needApplyBinaryUpdate())
            throw new StorageException("Failed to restore memory state (checkpoint marker is present " + "on disk, but checkpoint record is missed in WAL) " + "[cpStatus=" + status + ", lastRead=" + lastReadPtr + "]");
        if (log.isInfoEnabled())
            log.info("Finished applying memory changes [changesApplied=" + applied + ", time=" + (U.currentTimeMillis() - start) + " ms]");
        finalizeCheckpointOnRecovery(status.cpStartTs, status.cpStartId, status.startPtr, exec);
    }
    return restoreBinaryState;
}

Example 25 with PageSnapshot

use of org.apache.ignite.internal.pagemem.wal.record.PageSnapshot in project ignite by apache.

the class GridCacheOffheapManager method getOrAllocateCacheMetas.

/**
 * @return Meta root pages info.
 * @throws IgniteCheckedException If failed.
 */
private Metas getOrAllocateCacheMetas() throws IgniteCheckedException {
    PageMemoryEx pageMem = (PageMemoryEx) grp.dataRegion().pageMemory();
    IgniteWriteAheadLogManager wal = ctx.wal();
    int grpId = grp.groupId();
    long metaId = PageMemory.META_PAGE_ID;
    long metaPage = pageMem.acquirePage(grpId, metaId);
    try {
        long pageAddr = pageMem.writeLock(grpId, metaId, metaPage);
        boolean allocated = false;
        boolean markDirty = false;
        try {
            long metastoreRoot, reuseListRoot;
            PageMetaIOV2 io = (PageMetaIOV2) PageMetaIO.VERSIONS.latest();
            if (PageIO.getType(pageAddr) != PageIO.T_META) {
                PageMetrics metrics = pageMem.metrics().cacheGrpPageMetrics(grpId);
                io.initNewPage(pageAddr, metaId, pageMem.realPageSize(grpId), metrics);
                metastoreRoot = pageMem.allocatePage(grpId, PageIdAllocator.INDEX_PARTITION, PageMemory.FLAG_IDX);
                reuseListRoot = pageMem.allocatePage(grpId, PageIdAllocator.INDEX_PARTITION, PageMemory.FLAG_IDX);
                io.setTreeRoot(pageAddr, metastoreRoot);
                io.setReuseListRoot(pageAddr, reuseListRoot);
                if (isWalDeltaRecordNeeded(pageMem, grpId, metaId, metaPage, wal, null)) {
                    assert io.getType() == PageIO.T_META;
                    wal.log(new MetaPageInitRecord(grpId, metaId, io.getType(), io.getVersion(), metastoreRoot, reuseListRoot));
                }
                allocated = true;
            } else {
                if (io != PageIO.getPageIO(pageAddr)) {
                    if (log.isDebugEnabled()) {
                        log.debug("Upgrade index partition meta page version: [grpId=" + grpId + ", oldVer=" + PagePartitionMetaIO.getVersion(pageAddr) + ", newVer=" + io.getVersion() + ']');
                    }
                    io.upgradePage(pageAddr);
                    markDirty = true;
                }
                metastoreRoot = io.getTreeRoot(pageAddr);
                reuseListRoot = io.getReuseListRoot(pageAddr);
                int encrPageCnt = io.getEncryptedPageCount(pageAddr);
                if (encrPageCnt > 0) {
                    ctx.kernalContext().encryption().setEncryptionState(grp, PageIdAllocator.INDEX_PARTITION, io.getEncryptedPageIndex(pageAddr), encrPageCnt);
                    markDirty = true;
                }
                assert reuseListRoot != 0L;
                if (markDirty && isWalDeltaRecordNeeded(pageMem, grpId, metaId, metaPage, wal, null)) {
                    wal.log(new PageSnapshot(new FullPageId(PageIdAllocator.INDEX_PARTITION, grpId), pageAddr, pageMem.pageSize(), pageMem.realPageSize(grpId)));
                }
            }
            return new Metas(new RootPage(new FullPageId(metastoreRoot, grpId), allocated), new RootPage(new FullPageId(reuseListRoot, grpId), allocated), null, null);
        } finally {
            pageMem.writeUnlock(grpId, metaId, metaPage, null, allocated || markDirty);
        }
    } finally {
        pageMem.releasePage(grpId, metaId, metaPage);
    }
}