Examples with LOCAL org.apache.ignite.cache.CacheMode.LOCAL used on opensource projects

Example 1 with LOCAL

use of org.apache.ignite.cache.CacheMode.LOCAL in project ignite by apache.

the class IgnitePdsPartitionPreloadTest method preloadPartition.

/**
 * @param execNodeFactory Test node factory.
 * @param preloadMode Preload mode.
 */
private void preloadPartition(Supplier<Ignite> execNodeFactory, PreloadMode preloadMode) throws Exception {
    Ignite crd = startGridsMultiThreaded(GRIDS_CNT);
    Ignite testNode = grid(1);
    Object consistentId = testNode.cluster().localNode().consistentId();
    assertEquals(PRIMARY_NODE, testNode.cluster().localNode().consistentId());
    boolean locCacheMode = testNode.cache(DEFAULT_CACHE_NAME).getConfiguration(CacheConfiguration.class).getCacheMode() == LOCAL;
    Integer key = primaryKey(testNode.cache(DEFAULT_CACHE_NAME));
    int preloadPart = crd.affinity(DEFAULT_CACHE_NAME).partition(key);
    int cnt = 0;
    try (IgniteDataStreamer<Integer, Integer> streamer = testNode.dataStreamer(DEFAULT_CACHE_NAME)) {
        int k = 0;
        while (cnt < ENTRY_CNT) {
            if (testNode.affinity(DEFAULT_CACHE_NAME).partition(k) == preloadPart) {
                streamer.addData(k, k);
                cnt++;
            }
            k++;
        }
    }
    forceCheckpoint();
    stopAllGrids();
    startGridsMultiThreaded(GRIDS_CNT);
    testNode = G.allGrids().stream().filter(ignite -> PRIMARY_NODE.equals(ignite.cluster().localNode().consistentId())).findFirst().get();
    if (!locCacheMode)
        assertEquals(testNode, primaryNode(key, DEFAULT_CACHE_NAME));
    Ignite execNode = execNodeFactory.get();
    switch(preloadMode) {
        case SYNC:
            execNode.cache(DEFAULT_CACHE_NAME).preloadPartition(preloadPart);
            if (locCacheMode) {
                testNode = G.allGrids().stream().filter(ignite -> ignite.cluster().localNode().consistentId().equals(consistentId)).findFirst().get();
            }
            break;
        case ASYNC:
            execNode.cache(DEFAULT_CACHE_NAME).preloadPartitionAsync(preloadPart).get();
            if (locCacheMode) {
                testNode = G.allGrids().stream().filter(ignite -> ignite.cluster().localNode().consistentId().equals(consistentId)).findFirst().get();
            }
            break;
        case LOCAL:
            assertTrue(execNode.cache(DEFAULT_CACHE_NAME).localPreloadPartition(preloadPart));
            // For local preloading testNode == execNode
            testNode = execNode;
            break;
    }
    long c0 = testNode.dataRegionMetrics(DEFAULT_REGION).getPagesRead();
    // After partition preloading no pages should be read from store.
    GridIterator<CacheDataRow> cursor = ((IgniteEx) testNode).cachex(DEFAULT_CACHE_NAME).context().offheap().cachePartitionIterator(CU.UNDEFINED_CACHE_ID, preloadPart, null, false);
    int realSize = 0;
    while (cursor.hasNext()) {
        realSize++;
        cursor.next();
    }
    assertEquals("Partition has missed some entries", ENTRY_CNT, realSize);
    assertEquals("Read pages count must be same", c0, testNode.dataRegionMetrics(DEFAULT_REGION).getPagesRead());
}

Example 2 with LOCAL

use of org.apache.ignite.cache.CacheMode.LOCAL in project ignite by apache.

the class CacheAffinitySharedManager method processClientCacheStartRequests.

/**
 * @param crd Coordinator flag.
 * @param msg Change request.
 * @param topVer Current topology version.
 * @param discoCache Discovery data cache.
 * @return Map of started caches (cache ID to near enabled flag).
 */
@Nullable
private Map<Integer, Boolean> processClientCacheStartRequests(boolean crd, ClientCacheChangeDummyDiscoveryMessage msg, AffinityTopologyVersion topVer, DiscoCache discoCache) {
    Map<String, DynamicCacheChangeRequest> startReqs = msg.startRequests();
    List<DynamicCacheDescriptor> startDescs = clientCachesToStart(msg.requestId(), startReqs);
    if (startDescs == null || startDescs.isEmpty()) {
        cctx.cache().completeClientCacheChangeFuture(msg.requestId(), null);
        return null;
    }
    Map<Integer, GridDhtAssignmentFetchFuture> fetchFuts = U.newHashMap(startDescs.size());
    Map<Integer, Boolean> startedInfos = U.newHashMap(startDescs.size());
    List<StartCacheInfo> startCacheInfos = startDescs.stream().map(desc -> {
        DynamicCacheChangeRequest changeReq = startReqs.get(desc.cacheName());
        startedInfos.put(desc.cacheId(), changeReq.nearCacheConfiguration() != null);
        return new StartCacheInfo(desc.cacheConfiguration(), desc, changeReq.nearCacheConfiguration(), topVer, changeReq.disabledAfterStart(), true);
    }).collect(Collectors.toList());
    Set<String> startedCaches = startCacheInfos.stream().map(info -> info.getCacheDescriptor().cacheName()).collect(Collectors.toSet());
    try {
        cctx.cache().prepareStartCaches(startCacheInfos);
    } catch (IgniteCheckedException e) {
        cctx.cache().closeCaches(startedCaches, false);
        cctx.cache().completeClientCacheChangeFuture(msg.requestId(), e);
        return null;
    }
    Set<CacheGroupDescriptor> groupDescs = startDescs.stream().map(DynamicCacheDescriptor::groupDescriptor).collect(Collectors.toSet());
    for (CacheGroupDescriptor grpDesc : groupDescs) {
        try {
            CacheGroupContext grp = cctx.cache().cacheGroup(grpDesc.groupId());
            assert grp != null : grpDesc.groupId();
            assert !grp.affinityNode() || grp.isLocal() : grp.cacheOrGroupName();
            // Skip for local caches.
            if (grp.isLocal())
                continue;
            CacheGroupHolder grpHolder = grpHolders.get(grp.groupId());
            assert !crd || (grpHolder != null && grpHolder.affinity().idealAssignmentRaw() != null);
            if (grpHolder == null)
                grpHolder = getOrCreateGroupHolder(topVer, grpDesc);
            // If current node is not client and current node have no aff holder.
            if (grpHolder.nonAffNode() && !cctx.localNode().isClient()) {
                GridDhtPartitionsExchangeFuture excFut = context().exchange().lastFinishedFuture();
                grp.topology().updateTopologyVersion(excFut, discoCache, -1, false);
                // Exchange free cache creation, just replacing client topology with dht.
                // Topology should be initialized before the use.
                grp.topology().beforeExchange(excFut, true, false);
                grpHolder = new CacheGroupAffNodeHolder(grp, grpHolder.affinity());
                grpHolders.put(grp.groupId(), grpHolder);
                GridClientPartitionTopology clientTop = cctx.exchange().clearClientTopology(grp.groupId());
                if (clientTop != null) {
                    grp.topology().update(grpHolder.affinity().lastVersion(), clientTop.partitionMap(true), clientTop.fullUpdateCounters(), Collections.<Integer>emptySet(), null, null, null, clientTop.lostPartitions());
                    excFut.validate(grp);
                }
                assert grpHolder.affinity().lastVersion().equals(grp.affinity().lastVersion());
            } else if (!crd && !fetchFuts.containsKey(grp.groupId())) {
                boolean topVerLessOrNotInitialized = !grp.topology().initialized() || grp.topology().readyTopologyVersion().compareTo(topVer) < 0;
                if (grp.affinity().lastVersion().compareTo(topVer) < 0 || topVerLessOrNotInitialized) {
                    GridDhtAssignmentFetchFuture fetchFut = new GridDhtAssignmentFetchFuture(cctx, grp.groupId(), topVer, discoCache);
                    fetchFut.init(true);
                    fetchFuts.put(grp.groupId(), fetchFut);
                }
            }
        } catch (IgniteCheckedException e) {
            cctx.cache().closeCaches(startedCaches, false);
            cctx.cache().completeClientCacheChangeFuture(msg.requestId(), e);
            return null;
        }
    }
    for (GridDhtAssignmentFetchFuture fetchFut : fetchFuts.values()) {
        try {
            CacheGroupContext grp = cctx.cache().cacheGroup(fetchFut.groupId());
            assert grp != null;
            GridDhtAffinityAssignmentResponse res = fetchAffinity(topVer, null, discoCache, grp.affinity(), fetchFut);
            GridDhtPartitionFullMap partMap;
            if (res != null) {
                partMap = res.partitionMap();
                assert partMap != null : res;
            } else
                partMap = new GridDhtPartitionFullMap(cctx.localNodeId(), cctx.localNode().order(), 1);
            GridDhtPartitionsExchangeFuture exchFut = context().exchange().lastFinishedFuture();
            grp.topology().updateTopologyVersion(exchFut, discoCache, -1, false);
            GridClientPartitionTopology clientTop = cctx.exchange().clearClientTopology(grp.groupId());
            Set<Integer> lostParts = clientTop == null ? null : clientTop.lostPartitions();
            grp.topology().update(topVer, partMap, null, Collections.emptySet(), null, null, null, lostParts);
            if (clientTop == null)
                grp.topology().detectLostPartitions(topVer, exchFut);
            exchFut.validate(grp);
        } catch (IgniteCheckedException e) {
            cctx.cache().closeCaches(startedCaches, false);
            cctx.cache().completeClientCacheChangeFuture(msg.requestId(), e);
            return null;
        }
    }
    for (DynamicCacheDescriptor desc : startDescs) {
        if (desc.cacheConfiguration().getCacheMode() != LOCAL) {
            CacheGroupContext grp = cctx.cache().cacheGroup(desc.groupId());
            assert grp != null;
            grp.topology().onExchangeDone(null, grp.affinity().cachedAffinity(topVer), true);
        }
    }
    cctx.cache().initCacheProxies(topVer, null);
    startReqs.keySet().forEach(req -> cctx.cache().completeProxyInitialize(req));
    cctx.cache().completeClientCacheChangeFuture(msg.requestId(), null);
    return startedInfos;
}