Examples with ExternalCompactionTestUtils.waitForCompactionStartAndReturnEcids org.apache.accumulo.test.compaction.ExternalCompactionTestUtils.waitForCompactionStartAndReturnEcids used on opensource projects

Example 1 with ExternalCompactionTestUtils.waitForCompactionStartAndReturnEcids

use of org.apache.accumulo.test.compaction.ExternalCompactionTestUtils.waitForCompactionStartAndReturnEcids in project accumulo by apache.

the class ExternalCompaction_2_IT method testSplitCancelsExternalCompaction.

@Test
public void testSplitCancelsExternalCompaction() throws Exception {
    getCluster().getClusterControl().startCoordinator(CompactionCoordinator.class);
    getCluster().getClusterControl().startCompactors(ExternalDoNothingCompactor.class, 1, QUEUE1);
    String table1 = this.getUniqueNames(1)[0];
    try (AccumuloClient client = Accumulo.newClient().from(getCluster().getClientProperties()).build()) {
        createTable(client, table1, "cs1");
        TableId tid = getCluster().getServerContext().getTableId(table1);
        writeData(client, table1);
        compact(client, table1, 2, QUEUE1, false);
        // Wait for the compaction to start by waiting for 1 external compaction column
        Set<ExternalCompactionId> ecids = ExternalCompactionTestUtils.waitForCompactionStartAndReturnEcids(getCluster().getServerContext(), tid);
        // Confirm that this ECID shows up in RUNNING set
        int matches = ExternalCompactionTestUtils.confirmCompactionRunning(getCluster().getServerContext(), ecids);
        assertTrue(matches > 0);
        // ExternalDoNothingCompactor will not compact, it will wait, split the table.
        SortedSet<Text> splits = new TreeSet<>();
        int jump = MAX_DATA / 5;
        for (int r = jump; r < MAX_DATA; r += jump) {
            splits.add(new Text(row(r)));
        }
        client.tableOperations().addSplits(table1, splits);
        confirmCompactionCompleted(getCluster().getServerContext(), ecids, TCompactionState.CANCELLED);
        // ensure compaction ids were deleted by split operation from metadata table
        try (TabletsMetadata tm = getCluster().getServerContext().getAmple().readTablets().forTable(tid).fetch(ColumnType.ECOMP).build()) {
            Set<ExternalCompactionId> ecids2 = tm.stream().flatMap(t -> t.getExternalCompactions().keySet().stream()).collect(Collectors.toSet());
            assertTrue(Collections.disjoint(ecids, ecids2));
        }
        // We need to cancel the compaction or delete the table here because we initiate a user
        // compaction above in the test. Even though the external compaction was cancelled
        // because we split the table, FaTE will continue to queue up a compaction
        client.tableOperations().cancelCompaction(table1);
    }
}