Examples with MapperService org.elasticsearch.index.mapper.MapperService used on opensource projects

Example 46 with MapperService

use of org.elasticsearch.index.mapper.MapperService in project crate by crate.

the class InternalEngineTests method testLuceneSnapshotRefreshesOnlyOnce.

@Test
public void testLuceneSnapshotRefreshesOnlyOnce() throws Exception {
    final MapperService mapperService = createMapperService("test");
    final long maxSeqNo = randomLongBetween(10, 50);
    final AtomicLong refreshCounter = new AtomicLong();
    final IndexSettings indexSettings = IndexSettingsModule.newIndexSettings(IndexMetadata.builder(defaultSettings.getIndexMetadata()).settings(Settings.builder().put(defaultSettings.getSettings()).put(IndexSettings.INDEX_SOFT_DELETES_SETTING.getKey(), true)).build());
    try (Store store = createStore();
        InternalEngine engine = createEngine(config(indexSettings, store, createTempDir(), newMergePolicy(), null, new ReferenceManager.RefreshListener() {

            @Override
            public void beforeRefresh() {
                refreshCounter.incrementAndGet();
            }

            @Override
            public void afterRefresh(boolean didRefresh) {
            }
        }, () -> SequenceNumbers.NO_OPS_PERFORMED))) {
        for (long seqNo = 0; seqNo <= maxSeqNo; seqNo++) {
            final ParsedDocument doc = testParsedDocument("id_" + seqNo, null, testDocumentWithTextField("test"), new BytesArray("{}".getBytes(Charset.defaultCharset())), null);
            engine.index(replicaIndexForDoc(doc, 1, seqNo, randomBoolean()));
        }
        final long initialRefreshCount = refreshCounter.get();
        final Thread[] snapshotThreads = new Thread[between(1, 3)];
        CountDownLatch latch = new CountDownLatch(1);
        for (int i = 0; i < snapshotThreads.length; i++) {
            final long min = randomLongBetween(0, maxSeqNo - 5);
            final long max = randomLongBetween(min, maxSeqNo);
            snapshotThreads[i] = new Thread(new AbstractRunnable() {

                @Override
                public void onFailure(Exception e) {
                    throw new AssertionError(e);
                }

                @Override
                protected void doRun() throws Exception {
                    latch.await();
                    Translog.Snapshot changes = engine.newChangesSnapshot("test", mapperService, min, max, true);
                    changes.close();
                }
            });
            snapshotThreads[i].start();
        }
        latch.countDown();
        for (Thread thread : snapshotThreads) {
            thread.join();
        }
        assertThat(refreshCounter.get(), equalTo(initialRefreshCount + 1L));
        assertThat(engine.lastRefreshedCheckpoint(), equalTo(maxSeqNo));
    }
}