Examples with GridCacheOperation org.apache.ignite.internal.processors.cache.GridCacheOperation used on opensource projects

Example 11 with GridCacheOperation

use of org.apache.ignite.internal.processors.cache.GridCacheOperation in project ignite by apache.

the class GridLocalAtomicCache method updateAllAsync0.

/**
 * Entry point for public API update methods.
 *
 * @param map Put map. Either {@code map} or {@code invokeMap} should be passed.
 * @param invokeMap Transform map. Either {@code map} or {@code invokeMap} should be passed.
 * @param invokeArgs Optional arguments for EntryProcessor.
 * @param retval Return value required flag.
 * @param rawRetval Return {@code GridCacheReturn} instance.
 * @param filter Cache entry filter for atomic updates.
 * @return Completion future.
 */
private IgniteInternalFuture updateAllAsync0(@Nullable final Map<? extends K, ? extends V> map, @Nullable final Map<? extends K, ? extends EntryProcessor> invokeMap, @Nullable final Object[] invokeArgs, final boolean retval, final boolean rawRetval, @Nullable final CacheEntryPredicate filter) {
    final GridCacheOperation op = invokeMap != null ? TRANSFORM : UPDATE;
    final Collection<? extends K> keys = map != null ? map.keySet() : invokeMap != null ? invokeMap.keySet() : null;
    final Collection<?> vals = map != null ? map.values() : invokeMap != null ? invokeMap.values() : null;
    final boolean writeThrough = ctx.writeThrough();
    final boolean readThrough = ctx.readThrough();
    CacheOperationContext opCtx = ctx.operationContextPerCall();
    final ExpiryPolicy expiry = expiryPerCall();
    final boolean keepBinary = opCtx != null && opCtx.isKeepBinary();
    return asyncOp(new Callable<Object>() {

        @Override
        public Object call() throws Exception {
            return updateAllInternal(op, keys, vals, invokeArgs, expiry, retval, rawRetval, filter, writeThrough, readThrough, keepBinary);
        }
    });
}

Example 12 with GridCacheOperation

use of org.apache.ignite.internal.processors.cache.GridCacheOperation in project ignite by apache.

the class GridLocalAtomicCache method updatePartialBatch.

/**
 * @param entries Entries to update.
 * @param ver Cache version.
 * @param writeVals Cache values.
 * @param putMap Values to put.
 * @param rmvKeys Keys to remove.
 * @param expiryPlc Expiry policy.
 * @param err Optional partial update exception.
 * @param subjId Subject ID.
 * @param taskName Task name.
 * @return Partial update exception.
 */
@SuppressWarnings({ "unchecked", "ConstantConditions", "ForLoopReplaceableByForEach" })
@Nullable
private CachePartialUpdateCheckedException updatePartialBatch(List<GridCacheEntryEx> entries, final GridCacheVersion ver, @Nullable List<CacheObject> writeVals, @Nullable Map<KeyCacheObject, CacheObject> putMap, @Nullable Collection<KeyCacheObject> rmvKeys, @Nullable ExpiryPolicy expiryPlc, boolean keepBinary, @Nullable CachePartialUpdateCheckedException err, UUID subjId, String taskName) {
    assert putMap == null ^ rmvKeys == null;
    GridCacheOperation op;
    CacheStorePartialUpdateException storeErr = null;
    try {
        if (putMap != null) {
            try {
                Map<? extends KeyCacheObject, IgniteBiTuple<? extends CacheObject, GridCacheVersion>> view = F.viewReadOnly(putMap, new C1<CacheObject, IgniteBiTuple<? extends CacheObject, GridCacheVersion>>() {

                    @Override
                    public IgniteBiTuple<? extends CacheObject, GridCacheVersion> apply(CacheObject val) {
                        return F.t(val, ver);
                    }
                });
                ctx.store().putAll(null, view);
            } catch (CacheStorePartialUpdateException e) {
                storeErr = e;
            }
            op = UPDATE;
        } else {
            try {
                ctx.store().removeAll(null, rmvKeys);
            } catch (CacheStorePartialUpdateException e) {
                storeErr = e;
            }
            op = DELETE;
        }
    } catch (IgniteCheckedException e) {
        if (err == null)
            err = partialUpdateException();
        err.add(putMap != null ? putMap.keySet() : rmvKeys, e);
        return err;
    }
    boolean intercept = ctx.config().getInterceptor() != null;
    for (int i = 0; i < entries.size(); i++) {
        GridCacheEntryEx entry = entries.get(i);
        assert entry.lockedByCurrentThread();
        if (entry.obsolete() || (storeErr != null && storeErr.failedKeys().contains(entry.key().value(ctx.cacheObjectContext(), false))))
            continue;
        try {
            // We are holding java-level locks on entries at this point.
            CacheObject writeVal = op == UPDATE ? writeVals.get(i) : null;
            assert writeVal != null || op == DELETE : "null write value found.";
            GridTuple3<Boolean, Object, EntryProcessorResult<Object>> t = entry.innerUpdateLocal(ver, op, writeVal, null, false, false, false, keepBinary, expiryPlc, true, true, null, false, subjId, taskName);
            if (intercept) {
                if (op == UPDATE)
                    ctx.config().getInterceptor().onAfterPut(new CacheLazyEntry(ctx, entry.key(), writeVal, keepBinary));
                else
                    ctx.config().getInterceptor().onAfterRemove(new CacheLazyEntry(ctx, entry.key(), t.get2(), keepBinary));
            }
        } catch (GridCacheEntryRemovedException ignore) {
            assert false : "Entry cannot become obsolete while holding lock.";
        } catch (IgniteCheckedException e) {
            if (err == null)
                err = partialUpdateException();
            err.add(Collections.singleton(entry.key()), e);
        }
    }
    return err;
}

Example 13 with GridCacheOperation

use of org.apache.ignite.internal.processors.cache.GridCacheOperation in project ignite by apache.

the class GridDhtAtomicCache method updateWithBatch.

/**
 * Updates locked entries using batched write-through.
 *
 * @param node Sender node.
 * @param hasNear {@code True} if originating node has near cache.
 * @param req Update request.
 * @param res Update response.
 * @param locked Locked entries.
 * @param ver Assigned version.
 * @param dhtFut Optional DHT future.
 * @param replicate Whether replication is enabled.
 * @param taskName Task name.
 * @param expiry Expiry policy.
 * @param sndPrevVal If {@code true} sends previous value to backups.
 * @return Deleted entries.
 * @throws GridCacheEntryRemovedException Should not be thrown.
 */
@SuppressWarnings("unchecked")
private DhtAtomicUpdateResult updateWithBatch(final ClusterNode node, final boolean hasNear, final GridNearAtomicAbstractUpdateRequest req, final GridNearAtomicUpdateResponse res, final List<GridDhtCacheEntry> locked, final GridCacheVersion ver, @Nullable GridDhtAtomicAbstractUpdateFuture dhtFut, final boolean replicate, final String taskName, @Nullable final IgniteCacheExpiryPolicy expiry, final boolean sndPrevVal) throws GridCacheEntryRemovedException {
    // Cannot update in batches during DR due to possible conflicts.
    assert !ctx.dr().receiveEnabled();
    // Should not request return values for putAll.
    assert !req.returnValue() || req.operation() == TRANSFORM;
    if (!F.isEmpty(req.filter()) && ctx.loadPreviousValue()) {
        try {
            reloadIfNeeded(locked);
        } catch (IgniteCheckedException e) {
            res.addFailedKeys(req.keys(), e);
            return new DhtAtomicUpdateResult();
        }
    }
    int size = req.size();
    Map<KeyCacheObject, CacheObject> putMap = null;
    Map<KeyCacheObject, EntryProcessor<Object, Object, Object>> entryProcessorMap = null;
    Collection<KeyCacheObject> rmvKeys = null;
    List<CacheObject> writeVals = null;
    DhtAtomicUpdateResult updRes = new DhtAtomicUpdateResult();
    List<GridDhtCacheEntry> filtered = new ArrayList<>(size);
    GridCacheOperation op = req.operation();
    GridCacheReturn invokeRes = null;
    int firstEntryIdx = 0;
    boolean intercept = ctx.config().getInterceptor() != null;
    for (int i = 0; i < locked.size(); i++) {
        GridDhtCacheEntry entry = locked.get(i);
        try {
            if (!checkFilter(entry, req, res)) {
                if (expiry != null && entry.hasValue()) {
                    long ttl = expiry.forAccess();
                    if (ttl != CU.TTL_NOT_CHANGED) {
                        entry.updateTtl(null, ttl);
                        expiry.ttlUpdated(entry.key(), entry.version(), entry.readers());
                    }
                }
                if (log.isDebugEnabled())
                    log.debug("Entry did not pass the filter (will skip write) [entry=" + entry + ", filter=" + Arrays.toString(req.filter()) + ", res=" + res + ']');
                if (hasNear)
                    res.addSkippedIndex(i);
                firstEntryIdx++;
                continue;
            }
            if (op == TRANSFORM) {
                EntryProcessor<Object, Object, Object> entryProcessor = req.entryProcessor(i);
                CacheObject old = entry.innerGet(ver, null, /*read through*/
                true, /*metrics*/
                true, /*event*/
                true, req.subjectId(), entryProcessor, taskName, null, req.keepBinary());
                Object oldVal = null;
                Object updatedVal = null;
                CacheInvokeEntry<Object, Object> invokeEntry = new CacheInvokeEntry(entry.key(), old, entry.version(), req.keepBinary(), entry);
                CacheObject updated = null;
                if (invokeRes == null)
                    invokeRes = new GridCacheReturn(node.isLocal());
                CacheInvokeResult curInvokeRes = null;
                boolean validation = false;
                try {
                    Object computed = entryProcessor.process(invokeEntry, req.invokeArguments());
                    if (computed != null) {
                        computed = ctx.unwrapTemporary(computed);
                        curInvokeRes = CacheInvokeResult.fromResult(computed);
                    }
                    if (!invokeEntry.modified())
                        continue;
                    else {
                        updatedVal = ctx.unwrapTemporary(invokeEntry.getValue());
                        updated = ctx.toCacheObject(updatedVal);
                        validation = true;
                        ctx.validateKeyAndValue(entry.key(), updated);
                    }
                } catch (Exception e) {
                    curInvokeRes = CacheInvokeResult.fromError(e);
                    updated = old;
                    if (validation) {
                        res.addSkippedIndex(i);
                        continue;
                    }
                } finally {
                    if (curInvokeRes != null) {
                        invokeRes.addEntryProcessResult(ctx, entry.key(), invokeEntry.key(), curInvokeRes.result(), curInvokeRes.error(), req.keepBinary());
                    }
                }
                if (updated == null) {
                    if (intercept) {
                        CacheLazyEntry e = new CacheLazyEntry(ctx, entry.key(), invokeEntry.key(), old, oldVal, req.keepBinary());
                        IgniteBiTuple<Boolean, ?> interceptorRes = ctx.config().getInterceptor().onBeforeRemove(e);
                        if (ctx.cancelRemove(interceptorRes))
                            continue;
                    }
                    // Update previous batch.
                    if (putMap != null) {
                        dhtFut = updatePartialBatch(hasNear, firstEntryIdx, filtered, ver, node, writeVals, putMap, null, entryProcessorMap, dhtFut, req, res, replicate, updRes, taskName, expiry, sndPrevVal);
                        firstEntryIdx = i;
                        putMap = null;
                        writeVals = null;
                        entryProcessorMap = null;
                        filtered = new ArrayList<>();
                    }
                    // Start collecting new batch.
                    if (rmvKeys == null)
                        rmvKeys = new ArrayList<>(size);
                    rmvKeys.add(entry.key());
                } else {
                    if (intercept) {
                        CacheLazyEntry e = new CacheLazyEntry(ctx, entry.key(), invokeEntry.key(), old, oldVal, req.keepBinary());
                        Object val = ctx.config().getInterceptor().onBeforePut(e, updatedVal);
                        if (val == null)
                            continue;
                        updated = ctx.toCacheObject(ctx.unwrapTemporary(val));
                    }
                    // Update previous batch.
                    if (rmvKeys != null) {
                        dhtFut = updatePartialBatch(hasNear, firstEntryIdx, filtered, ver, node, null, null, rmvKeys, entryProcessorMap, dhtFut, req, res, replicate, updRes, taskName, expiry, sndPrevVal);
                        firstEntryIdx = i;
                        rmvKeys = null;
                        entryProcessorMap = null;
                        filtered = new ArrayList<>();
                    }
                    if (putMap == null) {
                        putMap = new LinkedHashMap<>(size, 1.0f);
                        writeVals = new ArrayList<>(size);
                    }
                    putMap.put(entry.key(), updated);
                    writeVals.add(updated);
                }
                if (entryProcessorMap == null)
                    entryProcessorMap = new HashMap<>();
                entryProcessorMap.put(entry.key(), entryProcessor);
            } else if (op == UPDATE) {
                CacheObject updated = req.value(i);
                if (intercept) {
                    CacheObject old = entry.innerGet(null, null, /*read through*/
                    ctx.loadPreviousValue(), /*metrics*/
                    true, /*event*/
                    true, req.subjectId(), null, taskName, null, req.keepBinary());
                    Object val = ctx.config().getInterceptor().onBeforePut(new CacheLazyEntry(ctx, entry.key(), old, req.keepBinary()), ctx.unwrapBinaryIfNeeded(updated, req.keepBinary(), false));
                    if (val == null)
                        continue;
                    updated = ctx.toCacheObject(ctx.unwrapTemporary(val));
                }
                assert updated != null;
                ctx.validateKeyAndValue(entry.key(), updated);
                if (putMap == null) {
                    putMap = new LinkedHashMap<>(size, 1.0f);
                    writeVals = new ArrayList<>(size);
                }
                putMap.put(entry.key(), updated);
                writeVals.add(updated);
            } else {
                assert op == DELETE;
                if (intercept) {
                    CacheObject old = entry.innerGet(null, null, /*read through*/
                    ctx.loadPreviousValue(), /*metrics*/
                    true, /*event*/
                    true, req.subjectId(), null, taskName, null, req.keepBinary());
                    IgniteBiTuple<Boolean, ?> interceptorRes = ctx.config().getInterceptor().onBeforeRemove(new CacheLazyEntry(ctx, entry.key(), old, req.keepBinary()));
                    if (ctx.cancelRemove(interceptorRes))
                        continue;
                }
                if (rmvKeys == null)
                    rmvKeys = new ArrayList<>(size);
                rmvKeys.add(entry.key());
            }
            filtered.add(entry);
        } catch (IgniteCheckedException e) {
            res.addFailedKey(entry.key(), e);
        }
    }
    // Store final batch.
    if (putMap != null || rmvKeys != null) {
        dhtFut = updatePartialBatch(hasNear, firstEntryIdx, filtered, ver, node, writeVals, putMap, rmvKeys, entryProcessorMap, dhtFut, req, res, replicate, updRes, taskName, expiry, sndPrevVal);
    } else
        assert filtered.isEmpty();
    updRes.dhtFuture(dhtFut);
    updRes.returnValue(invokeRes);
    return updRes;
}

Example 14 with GridCacheOperation

use of org.apache.ignite.internal.processors.cache.GridCacheOperation in project ignite by apache.

the class GridDhtAtomicCache method updateSingle.

/**
 * Updates locked entries one-by-one.
 *
 * @param nearNode Originating node.
 * @param hasNear {@code True} if originating node has near cache.
 * @param req Update request.
 * @param res Update response.
 * @param locked Locked entries.
 * @param ver Assigned update version.
 * @param dhtFut Optional DHT future.
 * @param replicate Whether DR is enabled for that cache.
 * @param taskName Task name.
 * @param expiry Expiry policy.
 * @param sndPrevVal If {@code true} sends previous value to backups.
 * @return Return value.
 * @throws GridCacheEntryRemovedException Should be never thrown.
 */
private DhtAtomicUpdateResult updateSingle(ClusterNode nearNode, boolean hasNear, GridNearAtomicAbstractUpdateRequest req, GridNearAtomicUpdateResponse res, List<GridDhtCacheEntry> locked, GridCacheVersion ver, @Nullable GridDhtAtomicAbstractUpdateFuture dhtFut, boolean replicate, String taskName, @Nullable IgniteCacheExpiryPolicy expiry, boolean sndPrevVal) throws GridCacheEntryRemovedException {
    GridCacheReturn retVal = null;
    Collection<IgniteBiTuple<GridDhtCacheEntry, GridCacheVersion>> deleted = null;
    AffinityTopologyVersion topVer = req.topologyVersion();
    boolean intercept = ctx.config().getInterceptor() != null;
    AffinityAssignment affAssignment = ctx.affinity().assignment(topVer);
    // Avoid iterator creation.
    for (int i = 0; i < req.size(); i++) {
        KeyCacheObject k = req.key(i);
        GridCacheOperation op = req.operation();
        // No GridCacheEntryRemovedException can be thrown.
        try {
            GridDhtCacheEntry entry = locked.get(i);
            GridCacheVersion newConflictVer = req.conflictVersion(i);
            long newConflictTtl = req.conflictTtl(i);
            long newConflictExpireTime = req.conflictExpireTime(i);
            assert !(newConflictVer instanceof GridCacheVersionEx) : newConflictVer;
            Object writeVal = op == TRANSFORM ? req.entryProcessor(i) : req.writeValue(i);
            // Get readers before innerUpdate (reader cleared after remove).
            GridDhtCacheEntry.ReaderId[] readers = entry.readersLocked();
            GridCacheUpdateAtomicResult updRes = entry.innerUpdate(ver, nearNode.id(), locNodeId, op, writeVal, req.invokeArguments(), writeThrough() && !req.skipStore(), !req.skipStore(), sndPrevVal || req.returnValue(), req.keepBinary(), expiry, /*event*/
            true, /*metrics*/
            true, /*primary*/
            true, /*verCheck*/
            false, topVer, req.filter(), replicate ? DR_PRIMARY : DR_NONE, newConflictTtl, newConflictExpireTime, newConflictVer, /*conflictResolve*/
            true, intercept, req.subjectId(), taskName, /*prevVal*/
            null, /*updateCntr*/
            null, dhtFut);
            if (dhtFut != null) {
                if (updRes.sendToDht()) {
                    // Send to backups even in case of remove-remove scenarios.
                    GridCacheVersionConflictContext<?, ?> conflictCtx = updRes.conflictResolveResult();
                    if (conflictCtx == null)
                        newConflictVer = null;
                    else if (conflictCtx.isMerge())
                        // Conflict version is discarded in case of merge.
                        newConflictVer = null;
                    EntryProcessor<Object, Object, Object> entryProcessor = null;
                    dhtFut.addWriteEntry(affAssignment, entry, updRes.newValue(), entryProcessor, updRes.newTtl(), updRes.conflictExpireTime(), newConflictVer, sndPrevVal, updRes.oldValue(), updRes.updateCounter());
                    if (readers != null)
                        dhtFut.addNearWriteEntries(nearNode, readers, entry, updRes.newValue(), entryProcessor, updRes.newTtl(), updRes.conflictExpireTime());
                } else {
                    if (log.isDebugEnabled())
                        log.debug("Entry did not pass the filter or conflict resolution (will skip write) " + "[entry=" + entry + ", filter=" + Arrays.toString(req.filter()) + ']');
                }
            }
            if (hasNear) {
                if (updRes.sendToDht()) {
                    if (!ctx.affinity().partitionBelongs(nearNode, entry.partition(), topVer)) {
                        // If put the same value as in request then do not need to send it back.
                        if (op == TRANSFORM || writeVal != updRes.newValue()) {
                            res.addNearValue(i, updRes.newValue(), updRes.newTtl(), updRes.conflictExpireTime());
                        } else
                            res.addNearTtl(i, updRes.newTtl(), updRes.conflictExpireTime());
                        if (updRes.newValue() != null) {
                            IgniteInternalFuture<Boolean> f = entry.addReader(nearNode.id(), req.messageId(), topVer);
                            assert f == null : f;
                        }
                    } else if (GridDhtCacheEntry.ReaderId.contains(readers, nearNode.id())) {
                        // Reader became primary or backup.
                        entry.removeReader(nearNode.id(), req.messageId());
                    } else
                        res.addSkippedIndex(i);
                } else
                    res.addSkippedIndex(i);
            }
            if (updRes.removeVersion() != null) {
                if (deleted == null)
                    deleted = new ArrayList<>(req.size());
                deleted.add(F.t(entry, updRes.removeVersion()));
            }
            if (op == TRANSFORM) {
                assert !req.returnValue();
                IgniteBiTuple<Object, Exception> compRes = updRes.computedResult();
                if (compRes != null && (compRes.get1() != null || compRes.get2() != null)) {
                    if (retVal == null)
                        retVal = new GridCacheReturn(nearNode.isLocal());
                    retVal.addEntryProcessResult(ctx, k, null, compRes.get1(), compRes.get2(), req.keepBinary());
                }
            } else {
                // Create only once.
                if (retVal == null) {
                    CacheObject ret = updRes.oldValue();
                    retVal = new GridCacheReturn(ctx, nearNode.isLocal(), req.keepBinary(), req.returnValue() ? ret : null, updRes.success());
                }
            }
        } catch (IgniteCheckedException e) {
            res.addFailedKey(k, e);
        }
    }
    return new DhtAtomicUpdateResult(retVal, deleted, dhtFut);
}

Example 15 with GridCacheOperation

use of org.apache.ignite.internal.processors.cache.GridCacheOperation in project ignite by apache.

the class GridDhtAtomicCache method processDhtAtomicUpdateRequest.

/**
 * @param nodeId Sender node ID.
 * @param req Dht atomic update request.
 */
private void processDhtAtomicUpdateRequest(UUID nodeId, GridDhtAtomicAbstractUpdateRequest req) {
    assert Thread.currentThread().getName().startsWith("sys-stripe-") : Thread.currentThread().getName();
    if (msgLog.isDebugEnabled()) {
        msgLog.debug("Received DHT atomic update request [futId=" + req.futureId() + ", writeVer=" + req.writeVersion() + ", node=" + nodeId + ']');
    }
    assert req.partition() >= 0 : req;
    GridCacheVersion ver = req.writeVersion();
    GridDhtAtomicNearResponse nearRes = null;
    if (req.nearNodeId() != null) {
        nearRes = new GridDhtAtomicNearResponse(ctx.cacheId(), req.partition(), req.nearFutureId(), nodeId, req.flags());
    }
    boolean replicate = ctx.isDrEnabled();
    boolean intercept = req.forceTransformBackups() && ctx.config().getInterceptor() != null;
    String taskName = ctx.kernalContext().task().resolveTaskName(req.taskNameHash());
    ctx.shared().database().checkpointReadLock();
    try {
        for (int i = 0; i < req.size(); i++) {
            KeyCacheObject key = req.key(i);
            try {
                while (true) {
                    GridDhtCacheEntry entry = null;
                    try {
                        entry = entryExx(key);
                        CacheObject val = req.value(i);
                        CacheObject prevVal = req.previousValue(i);
                        EntryProcessor<Object, Object, Object> entryProcessor = req.entryProcessor(i);
                        Long updateIdx = req.updateCounter(i);
                        GridCacheOperation op = entryProcessor != null ? TRANSFORM : (val != null) ? UPDATE : DELETE;
                        long ttl = req.ttl(i);
                        long expireTime = req.conflictExpireTime(i);
                        GridCacheUpdateAtomicResult updRes = entry.innerUpdate(ver, nodeId, nodeId, op, op == TRANSFORM ? entryProcessor : val, op == TRANSFORM ? req.invokeArguments() : null, /*write-through*/
                        (ctx.store().isLocal() && !ctx.shared().localStorePrimaryOnly()) && writeThrough() && !req.skipStore(), /*read-through*/
                        false, /*retval*/
                        false, req.keepBinary(), /*expiry policy*/
                        null, /*event*/
                        true, /*metrics*/
                        true, /*primary*/
                        false, /*check version*/
                        !req.forceTransformBackups(), req.topologyVersion(), CU.empty0(), replicate ? DR_BACKUP : DR_NONE, ttl, expireTime, req.conflictVersion(i), false, intercept, req.subjectId(), taskName, prevVal, updateIdx, null);
                        if (updRes.removeVersion() != null)
                            ctx.onDeferredDelete(entry, updRes.removeVersion());
                        entry.onUnlock();
                        // While.
                        break;
                    } catch (GridCacheEntryRemovedException ignored) {
                        if (log.isDebugEnabled())
                            log.debug("Got removed entry while updating backup value (will retry): " + key);
                        entry = null;
                    } finally {
                        if (entry != null)
                            ctx.evicts().touch(entry, req.topologyVersion());
                    }
                }
            } catch (NodeStoppingException e) {
                U.warn(log, "Failed to update key on backup (local node is stopping): " + key);
                return;
            } catch (GridDhtInvalidPartitionException ignored) {
            // Ignore.
            } catch (IgniteCheckedException | RuntimeException e) {
                if (e instanceof RuntimeException && !X.hasCause(e, IgniteOutOfMemoryException.class))
                    throw (RuntimeException) e;
                IgniteCheckedException err = new IgniteCheckedException("Failed to update key on backup node: " + key, e);
                if (nearRes != null)
                    nearRes.addFailedKey(key, err);
                U.error(log, "Failed to update key on backup node: " + key, e);
            }
        }
    } finally {
        ctx.shared().database().checkpointReadUnlock();
    }
    GridDhtAtomicUpdateResponse dhtRes = null;
    if (req.nearSize() > 0) {
        List<KeyCacheObject> nearEvicted;
        if (isNearEnabled(ctx))
            nearEvicted = ((GridNearAtomicCache<K, V>) near()).processDhtAtomicUpdateRequest(nodeId, req, nearRes);
        else {
            nearEvicted = new ArrayList<>(req.nearSize());
            for (int i = 0; i < req.nearSize(); i++) nearEvicted.add(req.nearKey(i));
        }
        if (nearEvicted != null) {
            dhtRes = new GridDhtAtomicUpdateResponse(ctx.cacheId(), req.partition(), req.futureId(), ctx.deploymentEnabled());
            dhtRes.nearEvicted(nearEvicted);
        }
    }
    try {
        // TODO fire events only after successful fsync
        if (ctx.shared().wal() != null)
            ctx.shared().wal().fsync(null);
    } catch (StorageException e) {
        if (dhtRes != null)
            dhtRes.onError(new IgniteCheckedException(e));
        if (nearRes != null)
            nearRes.onClassError(e);
    } catch (IgniteCheckedException e) {
        if (dhtRes != null)
            dhtRes.onError(e);
        if (nearRes != null)
            nearRes.onClassError(e);
    }
    if (nearRes != null)
        sendDhtNearResponse(req, nearRes);
    if (dhtRes == null && req.replyWithoutDelay()) {
        dhtRes = new GridDhtAtomicUpdateResponse(ctx.cacheId(), req.partition(), req.futureId(), ctx.deploymentEnabled());
    }
    if (dhtRes != null)
        sendDhtPrimaryResponse(nodeId, req, dhtRes);
    else
        sendDeferredUpdateResponse(req.partition(), nodeId, req.futureId());
}