Examples with GridCachePartitionExchangeManager org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager used on opensource projects

Example 1 with GridCachePartitionExchangeManager

use of org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager in project ignite by apache.

the class GridCacheRebalancingWithAsyncClearingTest method testPartitionClearingNotBlockExchange.

/**
 * Test that partition clearing doesn't block partitions map exchange.
 *
 * @throws Exception If failed.
 */
public void testPartitionClearingNotBlockExchange() throws Exception {
    System.setProperty(IgniteSystemProperties.IGNITE_PDS_MAX_CHECKPOINT_MEMORY_HISTORY_SIZE, "1");
    IgniteEx ig = (IgniteEx) startGrids(3);
    ig.cluster().active(true);
    // High number of keys triggers long partition eviction.
    final int keysCount = 300_000;
    try (IgniteDataStreamer ds = ig.dataStreamer(CACHE_NAME)) {
        log.info("Writing initial data...");
        ds.allowOverwrite(true);
        for (int k = 1; k <= keysCount; k++) {
            ds.addData(k, k);
            if (k % 50_000 == 0)
                log.info("Written " + k + " entities.");
        }
        log.info("Writing initial data finished.");
    }
    stopGrid(2);
    awaitPartitionMapExchange();
    try (IgniteDataStreamer ds = ig.dataStreamer(CACHE_NAME)) {
        log.info("Writing external data...");
        ds.allowOverwrite(true);
        for (int k = 1; k <= keysCount; k++) {
            ds.addData(k, 2 * k);
            if (k % 50_000 == 0)
                log.info("Written " + k + " entities.");
        }
        log.info("Writing external data finished.");
    }
    IgniteCache<Integer, Integer> cache = ig.cache(CACHE_NAME);
    forceCheckpoint();
    GridCachePartitionExchangeManager exchangeManager = ig.cachex(CACHE_NAME).context().shared().exchange();
    long topVer = exchangeManager.lastTopologyFuture().topologyVersion().topologyVersion();
    startGrid(2);
    // Check that exchange future is completed and version is incremented
    GridDhtPartitionsExchangeFuture fut1 = exchangeManager.lastTopologyFuture();
    fut1.get();
    Assert.assertEquals(topVer + 1, fut1.topologyVersion().topologyVersion());
    // Check that additional exchange didn't influence on asynchronous partitions eviction.
    boolean asyncClearingIsRunning = false;
    for (int p = 0; p < PARTITIONS_CNT; p++) {
        GridDhtLocalPartition part = grid(2).cachex(CACHE_NAME).context().topology().localPartition(p);
        if (part != null && part.state() == GridDhtPartitionState.MOVING && part.isClearing()) {
            asyncClearingIsRunning = true;
            break;
        }
    }
    Assert.assertTrue("Async clearing is not running at the moment", asyncClearingIsRunning);
    // Check that stopping & starting node didn't break rebalance process.
    stopGrid(1);
    startGrid(1);
    // Wait for rebalance on all nodes.
    for (Ignite ignite : G.allGrids()) ignite.cache(CACHE_NAME).rebalance().get();
    // Check no data loss.
    for (int k = 1; k <= keysCount; k++) {
        Integer value = cache.get(k);
        Assert.assertNotNull("Value for " + k + " is null", value);
        Assert.assertEquals("Check failed for " + k + " " + value, 2 * k, (int) value);
    }
}

Example 2 with GridCachePartitionExchangeManager

use of org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager in project ignite by apache.

the class IgniteDiagnosticMessage method dumpExchangeInfo.

/**
 * @param sb String builder.
 * @param ctx Context.
 */
static void dumpExchangeInfo(StringBuilder sb, GridKernalContext ctx) {
    GridCachePartitionExchangeManager exchMgr = ctx.cache().context().exchange();
    GridDhtTopologyFuture fut = exchMgr.lastTopologyFuture();
    sb.append("Partitions exchange info [readyVer=").append(exchMgr.readyAffinityVersion()).append(']').append(U.nl()).append("Last initialized exchange future: ").append(fut);
}

Example 3 with GridCachePartitionExchangeManager

use of org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager in project ignite by apache.

the class CacheExchangeMergeTest method waitForExchangeStart.

/**
 * @param node Node.
 * @param topVer Exchange version.
 * @throws Exception If failed.
 */
private void waitForExchangeStart(final Ignite node, final long topVer) throws Exception {
    final GridCachePartitionExchangeManager exch = ((IgniteKernal) node).context().cache().context().exchange();
    boolean wait = GridTestUtils.waitForCondition(new PA() {

        @Override
        public boolean apply() {
            return exch.lastTopologyFuture().initialVersion().topologyVersion() >= topVer;
        }
    }, 15_000);
    assertTrue(wait);
}