Examples with Region com.alipay.sofa.jraft.rhea.metadata.Region used on opensource projects

Example 6 with Region

use of com.alipay.sofa.jraft.rhea.metadata.Region in project sofa-jraft by sofastack.

the class DefaultMetadataStore method batchUpdateRegionStats.

@Override
public CompletableFuture<Boolean> batchUpdateRegionStats(final long clusterId, final List<Pair<Region, RegionStats>> regionStatsList) {
    final List<KVEntry> entries = Lists.newArrayListWithCapacity(regionStatsList.size());
    for (final Pair<Region, RegionStats> p : regionStatsList) {
        final String key = MetadataKeyHelper.getRegionStatsKey(clusterId, p.getKey().getId());
        final byte[] bytes = this.serializer.writeObject(p);
        entries.add(new KVEntry(BytesUtil.writeUtf8(key), bytes));
    }
    return this.rheaKVStore.put(entries);
}

Example 7 with Region

use of com.alipay.sofa.jraft.rhea.metadata.Region in project sofa-jraft by sofastack.

the class KVStateMachineTest method setup.

@Before
public void setup() throws IOException, InterruptedException {
    final Region region = new Region();
    region.setId(1);
    final StoreEngine storeEngine = new MockStoreEngine();
    final KVStoreStateMachine fsm = new KVStoreStateMachine(region, storeEngine);
    final NodeOptions nodeOpts = new NodeOptions();
    final Configuration conf = new Configuration();
    conf.addPeer(PeerId.parsePeer("127.0.0.1:8081"));
    nodeOpts.setInitialConf(conf);
    nodeOpts.setFsm(fsm);
    final String raftDataPath = "raft_st_test";
    this.raftDataPath = new File(raftDataPath);
    if (this.raftDataPath.exists()) {
        FileUtils.forceDelete(this.raftDataPath);
    }
    FileUtils.forceMkdir(this.raftDataPath);
    final Path logUri = Paths.get(raftDataPath, "log");
    nodeOpts.setLogUri(logUri.toString());
    final Path meteUri = Paths.get(raftDataPath, "meta");
    nodeOpts.setRaftMetaUri(meteUri.toString());
    final Path snapshotUri = Paths.get(raftDataPath, "snapshot");
    nodeOpts.setSnapshotUri(snapshotUri.toString());
    final Endpoint serverAddress = new Endpoint("127.0.0.1", 8081);
    final PeerId serverId = new PeerId(serverAddress, 0);
    this.raftGroupService = new RaftGroupService("st_test", serverId, nodeOpts, null, true);
    final Node node = this.raftGroupService.start(false);
    for (int i = 0; i < 100; i++) {
        if (node.isLeader()) {
            break;
        }
        Thread.sleep(100);
    }
    final RawKVStore rawKVStore = storeEngine.getRawKVStore();
    this.raftRawKVStore = new RaftRawKVStore(node, rawKVStore, null);
}

Example 8 with Region

use of com.alipay.sofa.jraft.rhea.metadata.Region in project sofa-jraft by sofastack.

the class DefaultRheaKVStore method internalDelete.

private FutureGroup<Boolean> internalDelete(final List<byte[]> keys, final int retriesLeft, final Throwable lastCause) {
    final Map<Region, List<byte[]>> regionMap = this.pdClient.findRegionsByKeys(keys, ApiExceptionHelper.isInvalidEpoch(lastCause));
    final List<CompletableFuture<Boolean>> futures = Lists.newArrayListWithCapacity(regionMap.size());
    final Errors lastError = lastCause == null ? null : Errors.forException(lastCause);
    for (final Map.Entry<Region, List<byte[]>> entry : regionMap.entrySet()) {
        final Region region = entry.getKey();
        final List<byte[]> subKeys = entry.getValue();
        final RetryCallable<Boolean> retryCallable = retryCause -> internalDelete(subKeys, retriesLeft - 1, retryCause);
        final BoolFailoverFuture future = new BoolFailoverFuture(retriesLeft, retryCallable);
        internalRegionDelete(region, subKeys, future, retriesLeft, lastError);
        futures.add(future);
    }
    return new FutureGroup<>(futures);
}

Example 9 with Region

use of com.alipay.sofa.jraft.rhea.metadata.Region in project sofa-jraft by sofastack.

the class DefaultRheaKVStore method internalScan.

private FutureGroup<List<KVEntry>> internalScan(final byte[] startKey, final byte[] endKey, final boolean readOnlySafe, final boolean returnValue, final int retriesLeft, final Throwable lastCause) {
    Requires.requireNonNull(startKey, "startKey");
    final List<Region> regionList = this.pdClient.findRegionsByKeyRange(startKey, endKey, ApiExceptionHelper.isInvalidEpoch(lastCause));
    final List<CompletableFuture<List<KVEntry>>> futures = Lists.newArrayListWithCapacity(regionList.size());
    final Errors lastError = lastCause == null ? null : Errors.forException(lastCause);
    for (final Region region : regionList) {
        final byte[] regionStartKey = region.getStartKey();
        final byte[] regionEndKey = region.getEndKey();
        final byte[] subStartKey = regionStartKey == null ? startKey : BytesUtil.max(regionStartKey, startKey);
        final byte[] subEndKey = regionEndKey == null ? endKey : (endKey == null ? regionEndKey : BytesUtil.min(regionEndKey, endKey));
        final ListRetryCallable<KVEntry> retryCallable = retryCause -> internalScan(subStartKey, subEndKey, readOnlySafe, returnValue, retriesLeft - 1, retryCause);
        final ListFailoverFuture<KVEntry> future = new ListFailoverFuture<>(retriesLeft, retryCallable);
        internalRegionScan(region, subStartKey, subEndKey, false, readOnlySafe, returnValue, future, retriesLeft, lastError, this.onlyLeaderRead);
        futures.add(future);
    }
    return new FutureGroup<>(futures);
}

Example 10 with Region

use of com.alipay.sofa.jraft.rhea.metadata.Region in project sofa-jraft by sofastack.

the class DefaultRheaKVStore method internalRegionDeleteRange.

private void internalRegionDeleteRange(final Region region, final byte[] subStartKey, final byte[] subEndKey, final CompletableFuture<Boolean> future, final int retriesLeft, final Errors lastCause) {
    final RegionEngine regionEngine = getRegionEngine(region.getId(), true);
    final RetryRunner retryRunner = retryCause -> internalRegionDeleteRange(region, subStartKey, subEndKey, future, retriesLeft - 1, retryCause);
    final FailoverClosure<Boolean> closure = new FailoverClosureImpl<>(future, false, retriesLeft, retryRunner);
    if (regionEngine != null) {
        if (ensureOnValidEpoch(region, regionEngine, closure)) {
            getRawKVStore(regionEngine).deleteRange(subStartKey, subEndKey, closure);
        }
    } else {
        final DeleteRangeRequest request = new DeleteRangeRequest();
        request.setStartKey(subStartKey);
        request.setEndKey(subEndKey);
        request.setRegionId(region.getId());
        request.setRegionEpoch(region.getRegionEpoch());
        this.rheaKVRpcService.callAsyncWithRpc(request, closure, lastCause);
    }
}