Examples with MetaPageUpdatePartitionDataRecordV3 org.apache.ignite.internal.pagemem.wal.record.delta.MetaPageUpdatePartitionDataRecordV3 used on opensource projects

Example 1 with MetaPageUpdatePartitionDataRecordV3

use of org.apache.ignite.internal.pagemem.wal.record.delta.MetaPageUpdatePartitionDataRecordV3 in project ignite by apache.

the class GridCacheOffheapManager method saveStoreMetadata.

/**
 * @param store Store to save metadata.
 * @throws IgniteCheckedException If failed.
 */
private void saveStoreMetadata(CacheDataStore store, Context ctx, boolean beforeDestroy, boolean needSnapshot) throws IgniteCheckedException {
    RowStore rowStore0 = store.rowStore();
    if (rowStore0 != null && (partitionStatesRestored || grp.isLocal())) {
        ((CacheFreeList) rowStore0.freeList()).saveMetadata(grp.statisticsHolderData());
        PartitionMetaStorage<SimpleDataRow> partStore = store.partStorage();
        long updCntr = store.updateCounter();
        long size = store.fullSize();
        long rmvId = globalRemoveId().get();
        byte[] updCntrsBytes = store.partUpdateCounter().getBytes();
        PageMemoryEx pageMem = (PageMemoryEx) grp.dataRegion().pageMemory();
        IgniteWriteAheadLogManager wal = this.ctx.wal();
        GridEncryptionManager encMgr = this.ctx.kernalContext().encryption();
        if (size > 0 || updCntr > 0 || !store.partUpdateCounter().sequential() || (grp.config().isEncryptionEnabled() && encMgr.getEncryptionState(grp.groupId(), store.partId()) > 0)) {
            GridDhtPartitionState state = null;
            // localPartition will not acquire writeLock here because create=false.
            GridDhtLocalPartition part = null;
            if (!grp.isLocal()) {
                if (beforeDestroy)
                    state = GridDhtPartitionState.EVICTED;
                else {
                    part = getPartition(store);
                    if (part != null && part.state() != GridDhtPartitionState.EVICTED)
                        state = part.state();
                }
                // Do not save meta for evicted partitions on next checkpoints.
                if (state == null)
                    return;
            }
            int grpId = grp.groupId();
            long partMetaId = pageMem.partitionMetaPageId(grpId, store.partId());
            long partMetaPage = pageMem.acquirePage(grpId, partMetaId);
            try {
                long partMetaPageAddr = pageMem.writeLock(grpId, partMetaId, partMetaPage);
                if (partMetaPageAddr == 0L) {
                    U.warn(log, "Failed to acquire write lock for meta page [metaPage=" + partMetaPage + ", beforeDestroy=" + beforeDestroy + ", size=" + size + ", updCntr=" + updCntr + ", state=" + state + ']');
                    return;
                }
                boolean changed = false;
                try {
                    PagePartitionMetaIOV3 io = PageIO.getPageIO(partMetaPageAddr);
                    long link = io.getGapsLink(partMetaPageAddr);
                    if (updCntrsBytes == null && link != 0) {
                        partStore.removeDataRowByLink(link, grp.statisticsHolderData());
                        io.setGapsLink(partMetaPageAddr, (link = 0));
                        changed = true;
                    } else if (updCntrsBytes != null && link == 0) {
                        SimpleDataRow row = new SimpleDataRow(store.partId(), updCntrsBytes);
                        partStore.insertDataRow(row, grp.statisticsHolderData());
                        io.setGapsLink(partMetaPageAddr, (link = row.link()));
                        changed = true;
                    } else if (updCntrsBytes != null && link != 0) {
                        byte[] prev = partStore.readRow(link);
                        assert prev != null : "Read null gaps using link=" + link;
                        if (!Arrays.equals(prev, updCntrsBytes)) {
                            partStore.removeDataRowByLink(link, grp.statisticsHolderData());
                            SimpleDataRow row = new SimpleDataRow(store.partId(), updCntrsBytes);
                            partStore.insertDataRow(row, grp.statisticsHolderData());
                            io.setGapsLink(partMetaPageAddr, (link = row.link()));
                            changed = true;
                        }
                    }
                    if (changed)
                        partStore.saveMetadata(grp.statisticsHolderData());
                    changed |= io.setUpdateCounter(partMetaPageAddr, updCntr);
                    changed |= io.setGlobalRemoveId(partMetaPageAddr, rmvId);
                    changed |= io.setSize(partMetaPageAddr, size);
                    int encryptIdx = 0;
                    int encryptCnt = 0;
                    if (grp.config().isEncryptionEnabled()) {
                        long reencryptState = encMgr.getEncryptionState(grpId, store.partId());
                        if (reencryptState != 0) {
                            encryptIdx = ReencryptStateUtils.pageIndex(reencryptState);
                            encryptCnt = ReencryptStateUtils.pageCount(reencryptState);
                            if (encryptIdx == encryptCnt) {
                                encMgr.setEncryptionState(grp, store.partId(), 0, 0);
                                encryptIdx = encryptCnt = 0;
                            }
                            changed |= io.setEncryptedPageIndex(partMetaPageAddr, encryptIdx);
                            changed |= io.setEncryptedPageCount(partMetaPageAddr, encryptCnt);
                        }
                    }
                    if (state != null)
                        changed |= io.setPartitionState(partMetaPageAddr, (byte) state.ordinal());
                    else
                        assert grp.isLocal() : grp.cacheOrGroupName();
                    long cntrsPageId;
                    if (grp.sharedGroup()) {
                        long initCntrPageId = io.getCountersPageId(partMetaPageAddr);
                        Map<Integer, Long> newSizes = store.cacheSizes();
                        Map<Integer, Long> prevSizes = readSharedGroupCacheSizes(pageMem, grpId, initCntrPageId);
                        if (prevSizes != null && prevSizes.equals(newSizes))
                            // Preventing modification of sizes pages for store
                            cntrsPageId = initCntrPageId;
                        else {
                            cntrsPageId = writeSharedGroupCacheSizes(pageMem, grpId, initCntrPageId, store.partId(), newSizes);
                            if (initCntrPageId == 0 && cntrsPageId != 0) {
                                io.setCountersPageId(partMetaPageAddr, cntrsPageId);
                                changed = true;
                            }
                        }
                    } else
                        cntrsPageId = 0L;
                    int pageCnt;
                    if (needSnapshot) {
                        pageCnt = this.ctx.pageStore().pages(grpId, store.partId());
                        io.setCandidatePageCount(partMetaPageAddr, size == 0 ? 0 : pageCnt);
                        if (state == OWNING) {
                            assert part != null;
                            if (!addPartition(part, ctx.partitionStatMap(), partMetaPageAddr, io, grpId, store.partId(), this.ctx.pageStore().pages(grpId, store.partId()), store.fullSize()))
                                U.warn(log, "Partition was concurrently evicted grpId=" + grpId + ", partitionId=" + part.id());
                        } else if (state == MOVING || state == RENTING) {
                            if (ctx.partitionStatMap().forceSkipIndexPartition(grpId)) {
                                if (log.isInfoEnabled())
                                    log.info("Will not include SQL indexes to snapshot because there is " + "a partition not in " + OWNING + " state [grp=" + grp.cacheOrGroupName() + ", partId=" + store.partId() + ", state=" + state + ']');
                            }
                        }
                        changed = true;
                    } else
                        pageCnt = io.getCandidatePageCount(partMetaPageAddr);
                    if (changed && isWalDeltaRecordNeeded(pageMem, grpId, partMetaId, partMetaPage, wal, null))
                        wal.log(new MetaPageUpdatePartitionDataRecordV3(grpId, partMetaId, updCntr, rmvId, // TODO: Partition size may be long
                        (int) size, cntrsPageId, state == null ? -1 : (byte) state.ordinal(), pageCnt, link, encryptIdx, encryptCnt));
                    if (changed) {
                        partStore.saveMetadata(grp.statisticsHolderData());
                        io.setPartitionMetaStoreReuseListRoot(partMetaPageAddr, partStore.metaPageId());
                    }
                } finally {
                    pageMem.writeUnlock(grpId, partMetaId, partMetaPage, null, changed);
                }
            } finally {
                pageMem.releasePage(grpId, partMetaId, partMetaPage);
            }
        } else if (needSnapshot)
            tryAddEmptyPartitionToSnapshot(store, ctx);
    } else if (needSnapshot)
        tryAddEmptyPartitionToSnapshot(store, ctx);
}

Example 2 with MetaPageUpdatePartitionDataRecordV3

use of org.apache.ignite.internal.pagemem.wal.record.delta.MetaPageUpdatePartitionDataRecordV3 in project ignite by apache.

the class RecordDataV1Serializer method readPlainRecord.

/**
 * Reads {@code WalRecord} of {@code type} from input.
 * Input should be plain(not encrypted).
 *
 * @param type Record type.
 * @param in Input
 * @param encrypted Record was encrypted.
 * @param recordSize Record size.
 * @return Deserialized record.
 * @throws IOException If failed.
 * @throws IgniteCheckedException If failed.
 */
WALRecord readPlainRecord(RecordType type, ByteBufferBackedDataInput in, boolean encrypted, int recordSize) throws IOException, IgniteCheckedException {
    WALRecord res;
    switch(type) {
        case PAGE_RECORD:
            byte[] arr = new byte[pageSize];
            int cacheId = in.readInt();
            long pageId = in.readLong();
            in.readFully(arr);
            res = new PageSnapshot(new FullPageId(pageId, cacheId), arr, encrypted ? realPageSize : pageSize);
            break;
        case CHECKPOINT_RECORD:
            long msb = in.readLong();
            long lsb = in.readLong();
            boolean hasPtr = in.readByte() != 0;
            long idx = 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(idx, off, len) : null;
            CheckpointRecord cpRec = new CheckpointRecord(new UUID(msb, lsb), walPtr, end);
            cpRec.cacheGroupStates(states);
            res = cpRec;
            break;
        case META_PAGE_INIT:
            cacheId = in.readInt();
            pageId = in.readLong();
            int ioType = in.readUnsignedShort();
            int ioVer = in.readUnsignedShort();
            long treeRoot = in.readLong();
            long reuseListRoot = in.readLong();
            res = new MetaPageInitRecord(cacheId, pageId, ioType, ioVer, treeRoot, reuseListRoot, log);
            break;
        case INDEX_META_PAGE_DELTA_RECORD:
            res = new MetaPageUpdateIndexDataRecord(in);
            break;
        case PARTITION_META_PAGE_UPDATE_COUNTERS:
            res = new MetaPageUpdatePartitionDataRecord(in);
            break;
        case PARTITION_META_PAGE_UPDATE_COUNTERS_V2:
            res = new MetaPageUpdatePartitionDataRecordV2(in);
            break;
        case PARTITION_META_PAGE_DELTA_RECORD_V3:
            res = new MetaPageUpdatePartitionDataRecordV3(in);
            break;
        case MEMORY_RECOVERY:
            long ts = in.readLong();
            res = new MemoryRecoveryRecord(ts);
            break;
        case PARTITION_DESTROY:
            cacheId = in.readInt();
            int partId = in.readInt();
            res = new PartitionDestroyRecord(cacheId, partId);
            break;
        case DATA_RECORD:
        case DATA_RECORD_V2:
            int entryCnt = in.readInt();
            if (entryCnt == 1)
                res = new DataRecord(readPlainDataEntry(in, type), 0L);
            else {
                List<DataEntry> entries = new ArrayList<>(entryCnt);
                for (int i = 0; i < entryCnt; i++) entries.add(readPlainDataEntry(in, type));
                res = new DataRecord(entries, 0L);
            }
            break;
        case ENCRYPTED_DATA_RECORD:
        case ENCRYPTED_DATA_RECORD_V2:
        case ENCRYPTED_DATA_RECORD_V3:
            entryCnt = in.readInt();
            if (entryCnt == 1)
                res = new DataRecord(readEncryptedDataEntry(in, type), 0L);
            else {
                List<DataEntry> entries = new ArrayList<>(entryCnt);
                for (int i = 0; i < entryCnt; i++) entries.add(readEncryptedDataEntry(in, type));
                res = new DataRecord(entries, 0L);
            }
            break;
        case METASTORE_DATA_RECORD:
            int strLen = in.readInt();
            byte[] strBytes = new byte[strLen];
            in.readFully(strBytes);
            String key = new String(strBytes);
            int valLen = in.readInt();
            assert valLen >= 0;
            byte[] val;
            if (valLen > 0) {
                val = new byte[valLen];
                in.readFully(val);
            } else
                val = null;
            return new MetastoreDataRecord(key, val);
        case HEADER_RECORD:
            long magic = in.readLong();
            if (magic != HeaderRecord.REGULAR_MAGIC && magic != HeaderRecord.COMPACTED_MAGIC)
                throw new EOFException("Magic is corrupted [actual=" + U.hexLong(magic) + ']');
            int ver = in.readInt();
            res = new HeaderRecord(ver);
            break;
        case DATA_PAGE_INSERT_RECORD:
            {
                cacheId = in.readInt();
                pageId = in.readLong();
                int size = in.readUnsignedShort();
                in.ensure(size);
                byte[] payload = new byte[size];
                in.readFully(payload);
                res = new DataPageInsertRecord(cacheId, pageId, payload);
                break;
            }
        case DATA_PAGE_UPDATE_RECORD:
            {
                cacheId = in.readInt();
                pageId = in.readLong();
                int itemId = in.readInt();
                int size = in.readUnsignedShort();
                in.ensure(size);
                byte[] payload = new byte[size];
                in.readFully(payload);
                res = new DataPageUpdateRecord(cacheId, pageId, itemId, payload);
                break;
            }
        case DATA_PAGE_INSERT_FRAGMENT_RECORD:
            {
                cacheId = in.readInt();
                pageId = in.readLong();
                final long lastLink = in.readLong();
                final int payloadSize = in.readInt();
                final byte[] payload = new byte[payloadSize];
                in.readFully(payload);
                res = new DataPageInsertFragmentRecord(cacheId, pageId, payload, lastLink);
                break;
            }
        case DATA_PAGE_REMOVE_RECORD:
            cacheId = in.readInt();
            pageId = in.readLong();
            int itemId = in.readUnsignedByte();
            res = new DataPageRemoveRecord(cacheId, pageId, itemId);
            break;
        case DATA_PAGE_SET_FREE_LIST_PAGE:
            cacheId = in.readInt();
            pageId = in.readLong();
            long freeListPage = in.readLong();
            res = new DataPageSetFreeListPageRecord(cacheId, pageId, freeListPage);
            break;
        case MVCC_DATA_PAGE_MARK_UPDATED_RECORD:
            cacheId = in.readInt();
            pageId = in.readLong();
            itemId = in.readInt();
            long newMvccCrd = in.readLong();
            long newMvccCntr = in.readLong();
            int newMvccOpCntr = in.readInt();
            res = new DataPageMvccMarkUpdatedRecord(cacheId, pageId, itemId, newMvccCrd, newMvccCntr, newMvccOpCntr);
            break;
        case MVCC_DATA_PAGE_TX_STATE_HINT_UPDATED_RECORD:
            cacheId = in.readInt();
            pageId = in.readLong();
            itemId = in.readInt();
            byte txState = in.readByte();
            res = new DataPageMvccUpdateTxStateHintRecord(cacheId, pageId, itemId, txState);
            break;
        case MVCC_DATA_PAGE_NEW_TX_STATE_HINT_UPDATED_RECORD:
            cacheId = in.readInt();
            pageId = in.readLong();
            itemId = in.readInt();
            byte newTxState = in.readByte();
            res = new DataPageMvccUpdateNewTxStateHintRecord(cacheId, pageId, itemId, newTxState);
            break;
        case INIT_NEW_PAGE_RECORD:
            cacheId = in.readInt();
            pageId = in.readLong();
            ioType = in.readUnsignedShort();
            ioVer = in.readUnsignedShort();
            long virtualPageId = in.readLong();
            res = new InitNewPageRecord(cacheId, pageId, ioType, ioVer, virtualPageId, log);
            break;
        case BTREE_META_PAGE_INIT_ROOT:
            cacheId = in.readInt();
            pageId = in.readLong();
            long rootId = in.readLong();
            res = new MetaPageInitRootRecord(cacheId, pageId, rootId);
            break;
        case BTREE_META_PAGE_INIT_ROOT2:
            cacheId = in.readInt();
            pageId = in.readLong();
            long rootId2 = in.readLong();
            int inlineSize = in.readShort();
            res = new MetaPageInitRootInlineRecord(cacheId, pageId, rootId2, inlineSize);
            break;
        case BTREE_META_PAGE_INIT_ROOT_V3:
            cacheId = in.readInt();
            pageId = in.readLong();
            long rootId3 = in.readLong();
            int inlineSize3 = in.readShort();
            long flags = in.readLong();
            byte[] revHash = new byte[IgniteProductVersion.REV_HASH_SIZE];
            byte maj = in.readByte();
            byte min = in.readByte();
            byte maint = in.readByte();
            long verTs = in.readLong();
            in.readFully(revHash);
            IgniteProductVersion createdVer = new IgniteProductVersion(maj, min, maint, verTs, revHash);
            res = new MetaPageInitRootInlineFlagsCreatedVersionRecord(cacheId, pageId, rootId3, inlineSize3, flags, createdVer);
            break;
        case BTREE_META_PAGE_ADD_ROOT:
            cacheId = in.readInt();
            pageId = in.readLong();
            rootId = in.readLong();
            res = new MetaPageAddRootRecord(cacheId, pageId, rootId);
            break;
        case BTREE_META_PAGE_CUT_ROOT:
            cacheId = in.readInt();
            pageId = in.readLong();
            res = new MetaPageCutRootRecord(cacheId, pageId);
            break;
        case BTREE_INIT_NEW_ROOT:
            cacheId = in.readInt();
            pageId = in.readLong();
            rootId = in.readLong();
            ioType = in.readUnsignedShort();
            ioVer = in.readUnsignedShort();
            long leftId = in.readLong();
            long rightId = in.readLong();
            BPlusIO<?> io = BPlusIO.getBPlusIO(ioType, ioVer);
            byte[] rowBytes = new byte[io.getItemSize()];
            in.readFully(rowBytes);
            res = new NewRootInitRecord<>(cacheId, pageId, rootId, (BPlusInnerIO<?>) io, leftId, rowBytes, rightId);
            break;
        case BTREE_PAGE_RECYCLE:
            cacheId = in.readInt();
            pageId = in.readLong();
            long newPageId = in.readLong();
            res = new RecycleRecord(cacheId, pageId, newPageId);
            break;
        case BTREE_PAGE_INSERT:
            cacheId = in.readInt();
            pageId = in.readLong();
            ioType = in.readUnsignedShort();
            ioVer = in.readUnsignedShort();
            int itemIdx = in.readUnsignedShort();
            rightId = in.readLong();
            io = BPlusIO.getBPlusIO(ioType, ioVer);
            rowBytes = new byte[io.getItemSize()];
            in.readFully(rowBytes);
            res = new InsertRecord<>(cacheId, pageId, io, itemIdx, rowBytes, rightId);
            break;
        case BTREE_FIX_LEFTMOST_CHILD:
            cacheId = in.readInt();
            pageId = in.readLong();
            rightId = in.readLong();
            res = new FixLeftmostChildRecord(cacheId, pageId, rightId);
            break;
        case BTREE_FIX_COUNT:
            cacheId = in.readInt();
            pageId = in.readLong();
            int cnt = in.readUnsignedShort();
            res = new FixCountRecord(cacheId, pageId, cnt);
            break;
        case BTREE_PAGE_REPLACE:
            cacheId = in.readInt();
            pageId = in.readLong();
            ioType = in.readUnsignedShort();
            ioVer = in.readUnsignedShort();
            itemIdx = in.readUnsignedShort();
            io = BPlusIO.getBPlusIO(ioType, ioVer);
            rowBytes = new byte[io.getItemSize()];
            in.readFully(rowBytes);
            res = new ReplaceRecord<>(cacheId, pageId, io, rowBytes, itemIdx);
            break;
        case BTREE_PAGE_REMOVE:
            cacheId = in.readInt();
            pageId = in.readLong();
            itemIdx = in.readUnsignedShort();
            cnt = in.readUnsignedShort();
            res = new RemoveRecord(cacheId, pageId, itemIdx, cnt);
            break;
        case BTREE_PAGE_INNER_REPLACE:
            cacheId = in.readInt();
            pageId = in.readLong();
            int dstIdx = in.readUnsignedShort();
            long srcPageId = in.readLong();
            int srcIdx = in.readUnsignedShort();
            long rmvId = in.readLong();
            res = new InnerReplaceRecord<>(cacheId, pageId, dstIdx, srcPageId, srcIdx, rmvId);
            break;
        case BTREE_FORWARD_PAGE_SPLIT:
            cacheId = in.readInt();
            pageId = in.readLong();
            long fwdId = in.readLong();
            ioType = in.readUnsignedShort();
            ioVer = in.readUnsignedShort();
            srcPageId = in.readLong();
            int mid = in.readUnsignedShort();
            cnt = in.readUnsignedShort();
            res = new SplitForwardPageRecord(cacheId, pageId, fwdId, ioType, ioVer, srcPageId, mid, cnt);
            break;
        case BTREE_EXISTING_PAGE_SPLIT:
            cacheId = in.readInt();
            pageId = in.readLong();
            mid = in.readUnsignedShort();
            fwdId = in.readLong();
            res = new SplitExistingPageRecord(cacheId, pageId, mid, fwdId);
            break;
        case BTREE_PAGE_MERGE:
            cacheId = in.readInt();
            pageId = in.readLong();
            long prntId = in.readLong();
            int prntIdx = in.readUnsignedShort();
            rightId = in.readLong();
            boolean emptyBranch = in.readBoolean();
            res = new MergeRecord<>(cacheId, pageId, prntId, prntIdx, rightId, emptyBranch);
            break;
        case BTREE_FIX_REMOVE_ID:
            cacheId = in.readInt();
            pageId = in.readLong();
            rmvId = in.readLong();
            res = new FixRemoveId(cacheId, pageId, rmvId);
            break;
        case PAGES_LIST_SET_NEXT:
            cacheId = in.readInt();
            pageId = in.readLong();
            long nextPageId = in.readLong();
            res = new PagesListSetNextRecord(cacheId, pageId, nextPageId);
            break;
        case PAGES_LIST_SET_PREVIOUS:
            cacheId = in.readInt();
            pageId = in.readLong();
            long prevPageId = in.readLong();
            res = new PagesListSetPreviousRecord(cacheId, pageId, prevPageId);
            break;
        case PAGES_LIST_INIT_NEW_PAGE:
            cacheId = in.readInt();
            pageId = in.readLong();
            ioType = in.readInt();
            ioVer = in.readInt();
            newPageId = in.readLong();
            prevPageId = in.readLong();
            long addDataPageId = in.readLong();
            res = new PagesListInitNewPageRecord(cacheId, pageId, ioType, ioVer, newPageId, prevPageId, addDataPageId, log);
            break;
        case PAGES_LIST_ADD_PAGE:
            cacheId = in.readInt();
            pageId = in.readLong();
            long dataPageId = in.readLong();
            res = new PagesListAddPageRecord(cacheId, pageId, dataPageId);
            break;
        case PAGES_LIST_REMOVE_PAGE:
            cacheId = in.readInt();
            pageId = in.readLong();
            long rmvdPageId = in.readLong();
            res = new PagesListRemovePageRecord(cacheId, pageId, rmvdPageId);
            break;
        case TRACKING_PAGE_DELTA:
            cacheId = in.readInt();
            pageId = in.readLong();
            long pageIdToMark = in.readLong();
            long nextSnapshotId0 = in.readLong();
            long lastSuccessfulSnapshotId0 = in.readLong();
            res = new TrackingPageDeltaRecord(cacheId, pageId, pageIdToMark, nextSnapshotId0, lastSuccessfulSnapshotId0);
            break;
        case META_PAGE_UPDATE_NEXT_SNAPSHOT_ID:
            cacheId = in.readInt();
            pageId = in.readLong();
            long nextSnapshotId = in.readLong();
            res = new MetaPageUpdateNextSnapshotId(cacheId, pageId, nextSnapshotId);
            break;
        case META_PAGE_UPDATE_LAST_SUCCESSFUL_FULL_SNAPSHOT_ID:
            cacheId = in.readInt();
            pageId = in.readLong();
            long lastSuccessfulFullSnapshotId = in.readLong();
            res = new MetaPageUpdateLastSuccessfulFullSnapshotId(cacheId, pageId, lastSuccessfulFullSnapshotId);
            break;
        case META_PAGE_UPDATE_LAST_SUCCESSFUL_SNAPSHOT_ID:
            cacheId = in.readInt();
            pageId = in.readLong();
            long lastSuccessfulSnapshotId = in.readLong();
            long lastSuccessfulSnapshotTag = in.readLong();
            res = new MetaPageUpdateLastSuccessfulSnapshotId(cacheId, pageId, lastSuccessfulSnapshotId, lastSuccessfulSnapshotTag);
            break;
        case META_PAGE_UPDATE_LAST_ALLOCATED_INDEX:
            cacheId = in.readInt();
            pageId = in.readLong();
            int lastAllocatedIdx = in.readInt();
            res = new MetaPageUpdateLastAllocatedIndex(cacheId, pageId, lastAllocatedIdx);
            break;
        case PART_META_UPDATE_STATE:
            cacheId = in.readInt();
            partId = in.readInt();
            byte state = in.readByte();
            long updateCntr = in.readLong();
            GridDhtPartitionState partState = GridDhtPartitionState.fromOrdinal(state);
            res = new PartitionMetaStateRecord(cacheId, partId, partState, updateCntr);
            break;
        case PAGE_LIST_META_RESET_COUNT_RECORD:
            cacheId = in.readInt();
            pageId = in.readLong();
            res = new PageListMetaResetCountRecord(cacheId, pageId);
            break;
        case ROTATED_ID_PART_RECORD:
            cacheId = in.readInt();
            pageId = in.readLong();
            byte rotatedIdPart = in.readByte();
            res = new RotatedIdPartRecord(cacheId, pageId, rotatedIdPart);
            break;
        case SWITCH_SEGMENT_RECORD:
            throw new EOFException("END OF SEGMENT");
        case TX_RECORD:
            res = txRecordSerializer.readTx(in);
            break;
        case MASTER_KEY_CHANGE_RECORD:
        case MASTER_KEY_CHANGE_RECORD_V2:
            int keyNameLen = in.readInt();
            byte[] keyNameBytes = new byte[keyNameLen];
            in.readFully(keyNameBytes);
            String masterKeyName = new String(keyNameBytes);
            int keysCnt = in.readInt();
            List<T2<Integer, GroupKeyEncrypted>> grpKeys = new ArrayList<>(keysCnt);
            boolean readKeyId = type == MASTER_KEY_CHANGE_RECORD_V2;
            for (int i = 0; i < keysCnt; i++) {
                int grpId = in.readInt();
                int keyId = readKeyId ? in.readByte() & 0xff : 0;
                int grpKeySize = in.readInt();
                byte[] grpKey = new byte[grpKeySize];
                in.readFully(grpKey);
                grpKeys.add(new T2<>(grpId, new GroupKeyEncrypted(keyId, grpKey)));
            }
            res = new MasterKeyChangeRecordV2(masterKeyName, grpKeys);
            break;
        case REENCRYPTION_START_RECORD:
            int grpsCnt = in.readInt();
            Map<Integer, Byte> map = U.newHashMap(grpsCnt);
            for (int i = 0; i < grpsCnt; i++) {
                int grpId = in.readInt();
                byte keyId = in.readByte();
                map.put(grpId, keyId);
            }
            res = new ReencryptionStartRecord(map);
            break;
        case INDEX_ROOT_PAGE_RENAME_RECORD:
            res = new IndexRenameRootPageRecord(in);
            break;
        case PARTITION_CLEARING_START_RECORD:
            int partId0 = in.readInt();
            int grpId = in.readInt();
            long clearVer = in.readLong();
            res = new PartitionClearingStartRecord(partId0, grpId, clearVer);
            break;
        default:
            throw new UnsupportedOperationException("Type: " + type);
    }
    return res;
}