Examples with WalSegmentCompactedEvent org.apache.ignite.events.WalSegmentCompactedEvent used on opensource projects

Example 1 with WalSegmentCompactedEvent

use of org.apache.ignite.events.WalSegmentCompactedEvent in project ignite by apache.

the class WalCompactionAfterRestartTest method test.

/**
 * @throws Exception If failed.
 */
@Test
public void test() throws Exception {
    IgniteEx ig = startGrid(0);
    ig.cluster().active(true);
    doCachePuts(ig, 10_000);
    ig.cluster().active(false);
    stopGrid(0);
    IgniteEx ig0 = startGrid(0);
    ig0.cluster().active(true);
    List<IgniteBiTuple<Long, Long>> discrepancies = Collections.synchronizedList(new ArrayList<>());
    ig0.events().localListen(e -> {
        long evtSegIdx = ((WalSegmentCompactedEvent) e).getAbsWalSegmentIdx();
        long lastCompactedIdx = ig0.context().cache().context().wal().lastCompactedSegment();
        if (lastCompactedIdx < 0 || lastCompactedIdx > evtSegIdx)
            discrepancies.add(F.t(evtSegIdx, lastCompactedIdx));
        return true;
    }, EVT_WAL_SEGMENT_COMPACTED);
    doCachePuts(ig0, 5_000);
    stopGrid(0);
    if (!discrepancies.isEmpty()) {
        fail("Discrepancies (EVT_WAL_SEGMENT_COMPACTED index vs. lastCompactedSegment):" + System.lineSeparator() + discrepancies.stream().map(t -> String.format("%d <-> %d", t.get1(), t.get2())).collect(Collectors.joining(System.lineSeparator())));
    }
}