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

Example 6 with WALPointer

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

the class GridCacheDatabaseSharedManager method tailPointer.

/**
 * Calculates tail pointer for WAL at the end of logical recovery.
 *
 * @param logicalState State after logical recovery.
 * @return Tail pointer.
 * @throws IgniteCheckedException If failed.
 */
private WALPointer tailPointer(RestoreLogicalState logicalState) throws IgniteCheckedException {
    // Should flush all data in buffers before read last WAL pointer.
    // Iterator read records only from files.
    WALPointer lastFlushPtr = cctx.wal().flush(null, true);
    // We must return null for NULL_PTR record, because FileWriteAheadLogManager.resumeLogging
    // can't write header without that condition.
    WALPointer lastReadPtr = logicalState.lastReadRecordPointer();
    if (lastFlushPtr != null && lastReadPtr == null)
        return lastFlushPtr;
    if (lastFlushPtr == null && lastReadPtr != null)
        return lastReadPtr;
    if (lastFlushPtr != null && lastReadPtr != null)
        return lastReadPtr.compareTo(lastFlushPtr) >= 0 ? lastReadPtr : lastFlushPtr;
    return null;
}

Example 7 with WALPointer

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

the class IgniteTxLocalAdapter method userCommit.

/**
 * {@inheritDoc}
 */
@Override
public void userCommit() throws IgniteCheckedException {
    TransactionState state = state();
    if (state != COMMITTING) {
        if (remainingTime() == -1)
            throw new IgniteTxTimeoutCheckedException("Transaction timed out: " + this);
        setRollbackOnly();
        throw new IgniteCheckedException("Invalid transaction state for commit [state=" + state + ", tx=" + this + ']');
    }
    checkValid();
    Collection<IgniteTxEntry> commitEntries = (near() || cctx.snapshot().needTxReadLogging()) ? allEntries() : writeEntries();
    boolean empty = F.isEmpty(commitEntries) && !queryEnlisted();
    // locks on backup nodes.
    if (!empty || colocated())
        cctx.tm().addCommittedTx(this);
    if (!empty) {
        batchStoreCommit(writeEntries());
        WALPointer ptr = null;
        IgniteCheckedException err = null;
        cctx.database().checkpointReadLock();
        try {
            cctx.tm().txContext(this);
            AffinityTopologyVersion topVer = topologyVersion();
            TxCounters txCounters = txCounters(false);
            /*
                 * Commit to cache. Note that for 'near' transaction we loop through all the entries.
                 */
            for (IgniteTxEntry txEntry : commitEntries) {
                GridCacheContext cacheCtx = txEntry.context();
                GridDrType drType = cacheCtx.isDrEnabled() ? DR_PRIMARY : DR_NONE;
                UUID nodeId = txEntry.nodeId() == null ? this.nodeId : txEntry.nodeId();
                while (true) {
                    try {
                        GridCacheEntryEx cached = txEntry.cached();
                        // transaction manager to make sure locks are held.
                        if (!evictNearEntry(txEntry, false)) {
                            if (cacheCtx.isNear() && cacheCtx.dr().receiveEnabled()) {
                                cached.markObsolete(xidVer);
                                break;
                            }
                            if (cached.detached())
                                break;
                            boolean updateNearCache = updateNearCache(cacheCtx, txEntry.key(), topVer);
                            boolean metrics = true;
                            if (!updateNearCache && cacheCtx.isNear() && txEntry.locallyMapped())
                                metrics = false;
                            boolean evt = !isNearLocallyMapped(txEntry, false);
                            if (!F.isEmpty(txEntry.entryProcessors()) || !F.isEmpty(txEntry.filters()))
                                txEntry.cached().unswap(false);
                            IgniteBiTuple<GridCacheOperation, CacheObject> res = applyTransformClosures(txEntry, true, null);
                            GridCacheVersion dhtVer = null;
                            // backup remote transaction completes.
                            if (cacheCtx.isNear()) {
                                if (txEntry.op() == CREATE || txEntry.op() == UPDATE || txEntry.op() == DELETE || txEntry.op() == TRANSFORM)
                                    dhtVer = txEntry.dhtVersion();
                                if ((txEntry.op() == CREATE || txEntry.op() == UPDATE) && txEntry.conflictExpireTime() == CU.EXPIRE_TIME_CALCULATE) {
                                    ExpiryPolicy expiry = cacheCtx.expiryForTxEntry(txEntry);
                                    if (expiry != null) {
                                        txEntry.cached().unswap(false);
                                        Duration duration = cached.hasValue() ? expiry.getExpiryForUpdate() : expiry.getExpiryForCreation();
                                        txEntry.ttl(CU.toTtl(duration));
                                    }
                                }
                            }
                            GridCacheOperation op = res.get1();
                            CacheObject val = res.get2();
                            // Deal with conflicts.
                            GridCacheVersion explicitVer = txEntry.conflictVersion() != null ? txEntry.conflictVersion() : writeVersion();
                            if ((op == CREATE || op == UPDATE) && txEntry.conflictExpireTime() == CU.EXPIRE_TIME_CALCULATE) {
                                ExpiryPolicy expiry = cacheCtx.expiryForTxEntry(txEntry);
                                if (expiry != null) {
                                    Duration duration = cached.hasValue() ? expiry.getExpiryForUpdate() : expiry.getExpiryForCreation();
                                    long ttl = CU.toTtl(duration);
                                    txEntry.ttl(ttl);
                                    if (ttl == CU.TTL_ZERO)
                                        op = DELETE;
                                }
                            }
                            boolean conflictNeedResolve = cacheCtx.conflictNeedResolve();
                            GridCacheVersionConflictContext<?, ?> conflictCtx = null;
                            if (conflictNeedResolve) {
                                IgniteBiTuple<GridCacheOperation, GridCacheVersionConflictContext> conflictRes = conflictResolve(op, txEntry, val, explicitVer, cached);
                                assert conflictRes != null;
                                conflictCtx = conflictRes.get2();
                                if (conflictCtx.isUseOld())
                                    op = NOOP;
                                else if (conflictCtx.isUseNew()) {
                                    txEntry.ttl(conflictCtx.ttl());
                                    txEntry.conflictExpireTime(conflictCtx.expireTime());
                                } else {
                                    assert conflictCtx.isMerge();
                                    op = conflictRes.get1();
                                    val = txEntry.context().toCacheObject(conflictCtx.mergeValue());
                                    explicitVer = writeVersion();
                                    txEntry.ttl(conflictCtx.ttl());
                                    txEntry.conflictExpireTime(conflictCtx.expireTime());
                                }
                            } else
                                // Nullify explicit version so that innerSet/innerRemove will work as usual.
                                explicitVer = null;
                            if (sndTransformedVals || conflictNeedResolve) {
                                assert sndTransformedVals && cacheCtx.isReplicated() || conflictNeedResolve;
                                txEntry.value(val, true, false);
                                txEntry.op(op);
                                txEntry.entryProcessors(null);
                                txEntry.conflictVersion(explicitVer);
                            }
                            if (dhtVer == null)
                                dhtVer = explicitVer != null ? explicitVer : writeVersion();
                            if (op == CREATE || op == UPDATE) {
                                assert val != null : txEntry;
                                GridCacheUpdateTxResult updRes = cached.innerSet(this, eventNodeId(), txEntry.nodeId(), val, false, false, txEntry.ttl(), evt, metrics, txEntry.keepBinary(), txEntry.hasOldValue(), txEntry.oldValue(), topVer, null, cached.detached() ? DR_NONE : drType, txEntry.conflictExpireTime(), cached.isNear() ? null : explicitVer, resolveTaskName(), dhtVer, null);
                                if (updRes.success())
                                    txEntry.updateCounter(updRes.updateCounter());
                                if (updRes.loggedPointer() != null)
                                    ptr = updRes.loggedPointer();
                                if (updRes.success() && updateNearCache) {
                                    final CacheObject val0 = val;
                                    final boolean metrics0 = metrics;
                                    final GridCacheVersion dhtVer0 = dhtVer;
                                    updateNearEntrySafely(cacheCtx, txEntry.key(), entry -> entry.innerSet(null, eventNodeId(), nodeId, val0, false, false, txEntry.ttl(), false, metrics0, txEntry.keepBinary(), txEntry.hasOldValue(), txEntry.oldValue(), topVer, CU.empty0(), DR_NONE, txEntry.conflictExpireTime(), null, resolveTaskName(), dhtVer0, null));
                                }
                            } else if (op == DELETE) {
                                GridCacheUpdateTxResult updRes = cached.innerRemove(this, eventNodeId(), txEntry.nodeId(), false, evt, metrics, txEntry.keepBinary(), txEntry.hasOldValue(), txEntry.oldValue(), topVer, null, cached.detached() ? DR_NONE : drType, cached.isNear() ? null : explicitVer, resolveTaskName(), dhtVer, null);
                                if (updRes.success())
                                    txEntry.updateCounter(updRes.updateCounter());
                                if (updRes.loggedPointer() != null)
                                    ptr = updRes.loggedPointer();
                                if (updRes.success() && updateNearCache) {
                                    final boolean metrics0 = metrics;
                                    final GridCacheVersion dhtVer0 = dhtVer;
                                    updateNearEntrySafely(cacheCtx, txEntry.key(), entry -> entry.innerRemove(null, eventNodeId(), nodeId, false, false, metrics0, txEntry.keepBinary(), txEntry.hasOldValue(), txEntry.oldValue(), topVer, CU.empty0(), DR_NONE, null, resolveTaskName(), dhtVer0, null));
                                }
                            } else if (op == RELOAD) {
                                cached.innerReload();
                                if (updateNearCache)
                                    updateNearEntrySafely(cacheCtx, txEntry.key(), entry -> entry.innerReload());
                            } else if (op == READ) {
                                CacheGroupContext grp = cacheCtx.group();
                                if (grp.persistenceEnabled() && grp.walEnabled() && cctx.snapshot().needTxReadLogging()) {
                                    ptr = cctx.wal().log(new DataRecord(new DataEntry(cacheCtx.cacheId(), txEntry.key(), val, op, nearXidVersion(), writeVersion(), 0, txEntry.key().partition(), txEntry.updateCounter(), DataEntry.flags(CU.txOnPrimary(this)))));
                                }
                                ExpiryPolicy expiry = cacheCtx.expiryForTxEntry(txEntry);
                                if (expiry != null) {
                                    Duration duration = expiry.getExpiryForAccess();
                                    if (duration != null)
                                        cached.updateTtl(null, CU.toTtl(duration));
                                }
                                if (log.isDebugEnabled())
                                    log.debug("Ignoring READ entry when committing: " + txEntry);
                            } else {
                                assert ownsLock(txEntry.cached()) : "Transaction does not own lock for group lock entry during  commit [tx=" + this + ", txEntry=" + txEntry + ']';
                                if (conflictCtx == null || !conflictCtx.isUseOld()) {
                                    if (txEntry.ttl() != CU.TTL_NOT_CHANGED)
                                        cached.updateTtl(null, txEntry.ttl());
                                }
                                if (log.isDebugEnabled())
                                    log.debug("Ignoring NOOP entry when committing: " + txEntry);
                            }
                        }
                        // if an entry is obsolete).
                        if (txEntry.op() != READ)
                            checkCommitLocks(cached);
                        // Break out of while loop.
                        break;
                    }// If entry cached within transaction got removed.
                     catch (GridCacheEntryRemovedException ignored) {
                        if (log.isDebugEnabled())
                            log.debug("Got removed entry during transaction commit (will retry): " + txEntry);
                        txEntry.cached(entryEx(cacheCtx, txEntry.txKey(), topologyVersion()));
                    }
                }
            }
            if (!txState.mvccEnabled() && txCounters != null) {
                cctx.tm().txHandler().applyPartitionsUpdatesCounters(txCounters.updateCounters());
                for (IgniteTxEntry entry : commitEntries) {
                    if (entry.cqNotifyClosure() != null)
                        entry.cqNotifyClosure().applyx();
                }
            }
            // Apply cache sizes only for primary nodes. Update counters were applied on prepare state.
            applyTxSizes();
            cctx.mvccCaching().onTxFinished(this, true);
            if (ptr != null)
                cctx.wal().flush(ptr, false);
        } catch (Throwable ex) {
            // We are about to initiate transaction rollback when tx has started to committing.
            // Need to remove version from committed list.
            cctx.tm().removeCommittedTx(this);
            if (X.hasCause(ex, NodeStoppingException.class)) {
                U.warn(log, "Failed to commit transaction, node is stopping [tx=" + CU.txString(this) + ", err=" + ex + ']');
                boolean persistenceEnabled = CU.isPersistenceEnabled(cctx.kernalContext().config());
                if (persistenceEnabled) {
                    GridCacheDatabaseSharedManager dbManager = (GridCacheDatabaseSharedManager) cctx.database();
                    dbManager.getCheckpointer().skipCheckpointOnNodeStop(true);
                }
                throw ex;
            }
            err = heuristicException(ex);
            COMMIT_ERR_UPD.compareAndSet(this, null, err);
            state(UNKNOWN);
            try {
                uncommit();
            } catch (Throwable e) {
                err.addSuppressed(e);
            }
            throw err;
        } finally {
            cctx.database().checkpointReadUnlock();
            cctx.tm().resetContext();
        }
    }
    // Do not unlock transaction entries if one-phase commit.
    if (!onePhaseCommit()) {
        if (DONE_FLAG_UPD.compareAndSet(this, 0, 1)) {
            // Unlock all locks.
            cctx.tm().commitTx(this);
            boolean needsCompletedVersions = needsCompletedVersions();
            assert !needsCompletedVersions || completedBase != null;
            assert !needsCompletedVersions || committedVers != null;
            assert !needsCompletedVersions || rolledbackVers != null;
        }
    }
}

Example 8 with WALPointer

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

the class IgniteTxHandler method applyPartitionsUpdatesCounters.

/**
 * Applies partition counter updates for transactions.
 * <p>
 * Called after entries are written to WAL on commit or during rollback to close gaps in update counter sequence.
 * <p>
 * On rollback counters should be applied on the primary only after backup nodes, otherwise if the primary fail
 * before sending rollback requests to backups remote transactions can be committed by recovery protocol and
 * partition consistency will not be restored when primary returns to the grid because RollbackRecord was written
 * (actual for persistent mode only).
 *
 * @param counters Counter values to be updated.
 * @param rollback {@code True} if applied during rollbacks.
 * @param rollbackOnPrimary {@code True} if rollback happens on primary node. Passed to CQ engine.
 */
public void applyPartitionsUpdatesCounters(Iterable<PartitionUpdateCountersMessage> counters, boolean rollback, boolean rollbackOnPrimary) throws IgniteCheckedException {
    if (counters == null)
        return;
    WALPointer ptr = null;
    try {
        for (PartitionUpdateCountersMessage counter : counters) {
            GridCacheContext ctx0 = ctx.cacheContext(counter.cacheId());
            GridDhtPartitionTopology top = ctx0.topology();
            AffinityTopologyVersion topVer = top.readyTopologyVersion();
            assert top != null;
            for (int i = 0; i < counter.size(); i++) {
                boolean invalid = false;
                try {
                    GridDhtLocalPartition part = top.localPartition(counter.partition(i));
                    if (part != null && part.reserve()) {
                        try {
                            if (part.state() != RENTING) {
                                // Check is actual only for backup node.
                                long start = counter.initialCounter(i);
                                long delta = counter.updatesCount(i);
                                boolean updated = part.updateCounter(start, delta);
                                // Need to log rolled back range for logical recovery.
                                if (updated && rollback) {
                                    CacheGroupContext grpCtx = part.group();
                                    if (grpCtx.persistenceEnabled() && grpCtx.walEnabled() && !grpCtx.mvccEnabled()) {
                                        RollbackRecord rec = new RollbackRecord(grpCtx.groupId(), part.id(), start, delta);
                                        ptr = ctx.wal().log(rec);
                                    }
                                    for (int cntr = 1; cntr <= delta; cntr++) {
                                        ctx0.continuousQueries().skipUpdateCounter(null, part.id(), start + cntr, topVer, rollbackOnPrimary);
                                    }
                                }
                            } else
                                invalid = true;
                        } finally {
                            part.release();
                        }
                    } else
                        invalid = true;
                } catch (GridDhtInvalidPartitionException e) {
                    invalid = true;
                }
                if (log.isDebugEnabled() && invalid) {
                    log.debug("Received partition update counters message for invalid partition, ignoring: " + "[cacheId=" + counter.cacheId() + ", part=" + counter.partition(i) + ']');
                }
            }
        }
    } finally {
        if (ptr != null)
            ctx.wal().flush(ptr, false);
    }
}

Example 9 with WALPointer

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

the class CdcConsumerState method load.

/**
 * Loads CDC state from file.
 * @return Saved state.
 */
public WALPointer load() {
    if (!Files.exists(state))
        return null;
    try (FileChannel ch = FileChannel.open(state, StandardOpenOption.READ)) {
        ByteBuffer buf = ByteBuffer.allocate(POINTER_SIZE);
        ch.read(buf);
        buf.flip();
        long idx = buf.getLong();
        int offset = buf.getInt();
        int length = buf.getInt();
        return new WALPointer(idx, offset, length);
    } catch (IOException e) {
        throw new IgniteException("Failed to read state [file=" + state + ']', e);
    }
}

Example 10 with WALPointer

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

the class MetaStorage method removeData.

/**
 */
public void removeData(String key) throws IgniteCheckedException {
    if (!readOnly) {
        WALPointer ptr;
        synchronized (this) {
            MetastorageDataRow oldRow = tree.findOne(new MetastorageSearchRow(key));
            if (oldRow == null)
                return;
            ptr = wal.log(new MetastoreDataRecord(key, null));
            tree.removex(oldRow);
            tree.rowStore().removeRow(oldRow.link());
            if (oldRow.keyLink() != 0L)
                tree.rowStore().removeRow(oldRow.keyLink());
        }
        wal.flush(ptr, false);
    }
}