Examples with ResyncReplicationRequest org.elasticsearch.action.resync.ResyncReplicationRequest used on opensource projects

Example 1 with ResyncReplicationRequest

use of org.elasticsearch.action.resync.ResyncReplicationRequest in project crate by crate.

the class PrimaryReplicaSyncerTests method testSyncerSendsOffCorrectDocuments.

@Test
public void testSyncerSendsOffCorrectDocuments() throws Exception {
    IndexShard shard = newStartedShard(true);
    AtomicBoolean syncActionCalled = new AtomicBoolean();
    List<ResyncReplicationRequest> resyncRequests = new ArrayList<>();
    PrimaryReplicaSyncer.SyncAction syncAction = (request, allocationId, primaryTerm, listener) -> {
        logger.info("Sending off {} operations", request.getOperations().length);
        syncActionCalled.set(true);
        resyncRequests.add(request);
        listener.onResponse(new ReplicationResponse());
    };
    PrimaryReplicaSyncer syncer = new PrimaryReplicaSyncer(syncAction);
    syncer.setChunkSize(new ByteSizeValue(randomIntBetween(1, 10)));
    int numDocs = randomInt(10);
    for (int i = 0; i < numDocs; i++) {
        // Index doc but not advance local checkpoint.
        shard.applyIndexOperationOnPrimary(Versions.MATCH_ANY, VersionType.INTERNAL, new SourceToParse(shard.shardId().getIndexName(), Integer.toString(i), new BytesArray("{}"), XContentType.JSON), SequenceNumbers.UNASSIGNED_SEQ_NO, 0, -1L, true);
    }
    long globalCheckPoint = numDocs > 0 ? randomIntBetween(0, numDocs - 1) : 0;
    boolean syncNeeded = numDocs > 0;
    String allocationId = shard.routingEntry().allocationId().getId();
    shard.updateShardState(shard.routingEntry(), shard.getPendingPrimaryTerm(), null, 1000L, Collections.singleton(allocationId), new IndexShardRoutingTable.Builder(shard.shardId()).addShard(shard.routingEntry()).build());
    shard.updateLocalCheckpointForShard(allocationId, globalCheckPoint);
    assertEquals(globalCheckPoint, shard.getLastKnownGlobalCheckpoint());
    logger.info("Total ops: {}, global checkpoint: {}", numDocs, globalCheckPoint);
    PlainActionFuture<PrimaryReplicaSyncer.ResyncTask> fut = new PlainActionFuture<>();
    syncer.resync(shard, fut);
    PrimaryReplicaSyncer.ResyncTask resyncTask = fut.get();
    if (syncNeeded) {
        assertTrue("Sync action was not called", syncActionCalled.get());
        ResyncReplicationRequest resyncRequest = resyncRequests.remove(0);
        assertThat(resyncRequest.getTrimAboveSeqNo(), equalTo(numDocs - 1L));
        assertThat("trimAboveSeqNo has to be specified in request #0 only", resyncRequests.stream().mapToLong(ResyncReplicationRequest::getTrimAboveSeqNo).filter(seqNo -> seqNo != SequenceNumbers.UNASSIGNED_SEQ_NO).findFirst().isPresent(), is(false));
        assertThat(resyncRequest.getMaxSeenAutoIdTimestampOnPrimary(), equalTo(shard.getMaxSeenAutoIdTimestamp()));
    }
    if (syncNeeded && globalCheckPoint < numDocs - 1) {
        assertThat(resyncTask.getSkippedOperations(), equalTo(0));
        assertThat(resyncTask.getResyncedOperations(), equalTo(Math.toIntExact(numDocs - 1 - globalCheckPoint)));
        if (shard.indexSettings.isSoftDeleteEnabled()) {
            assertThat(resyncTask.getTotalOperations(), equalTo(Math.toIntExact(numDocs - 1 - globalCheckPoint)));
        } else {
            assertThat(resyncTask.getTotalOperations(), equalTo(numDocs));
        }
    } else {
        assertThat(resyncTask.getSkippedOperations(), equalTo(0));
        assertThat(resyncTask.getResyncedOperations(), equalTo(0));
        assertThat(resyncTask.getTotalOperations(), equalTo(0));
    }
    closeShards(shard);
}