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Example 1 with CachePagesListView

use of org.apache.ignite.spi.systemview.view.CachePagesListView in project ignite by apache.

the class SystemViewSelfTest method testPagesList.

/**
 */
@Test
public void testPagesList() throws Exception {
    cleanPersistenceDir();
    try (IgniteEx ignite = startGrid(getConfiguration().setDataStorageConfiguration(new DataStorageConfiguration().setDataRegionConfigurations(new DataRegionConfiguration().setName("dr0").setMaxSize(100L * 1024 * 1024), new DataRegionConfiguration().setName("dr1").setMaxSize(100L * 1024 * 1024).setPersistenceEnabled(true))))) {
        ignite.cluster().active(true);
        GridCacheDatabaseSharedManager dbMgr = (GridCacheDatabaseSharedManager) ignite.context().cache().context().database();
        int pageSize = dbMgr.pageSize();
        dbMgr.enableCheckpoints(false).get();
        for (int i = 0; i < 2; i++) {
            IgniteCache<Object, Object> cache = ignite.getOrCreateCache(new CacheConfiguration<>("cache" + i).setDataRegionName("dr" + i).setAffinity(new RendezvousAffinityFunction().setPartitions(2)));
            int key = 0;
            // Fill up different free-list buckets.
            for (int j = 0; j < pageSize / 2; j++) cache.put(key++, new byte[j + 1]);
            // Put some pages to one bucket to overflow pages cache.
            for (int j = 0; j < 1000; j++) cache.put(key++, new byte[pageSize / 2]);
        }
        long dr0flPages = 0;
        int dr0flStripes = 0;
        SystemView<PagesListView> dataRegionPageLists = ignite.context().systemView().view(DATA_REGION_PAGE_LIST_VIEW);
        for (PagesListView pagesListView : dataRegionPageLists) {
            if (pagesListView.name().startsWith("dr0")) {
                dr0flPages += pagesListView.bucketSize();
                dr0flStripes += pagesListView.stripesCount();
            }
        }
        assertTrue(dr0flPages > 0);
        assertTrue(dr0flStripes > 0);
        SystemView<CachePagesListView> cacheGrpPageLists = ignite.context().systemView().view(CACHE_GRP_PAGE_LIST_VIEW);
        long dr1flPages = 0;
        int dr1flStripes = 0;
        int dr1flCached = 0;
        for (CachePagesListView pagesListView : cacheGrpPageLists) {
            if (pagesListView.cacheGroupId() == cacheId("cache1")) {
                dr1flPages += pagesListView.bucketSize();
                dr1flStripes += pagesListView.stripesCount();
                dr1flCached += pagesListView.cachedPagesCount();
            }
        }
        assertTrue(dr1flPages > 0);
        assertTrue(dr1flStripes > 0);
        assertTrue(dr1flCached > 0);
        // Test filtering.
        assertTrue(cacheGrpPageLists instanceof FiltrableSystemView);
        Iterator<CachePagesListView> iter = ((FiltrableSystemView<CachePagesListView>) cacheGrpPageLists).iterator(U.map(CachePagesListViewWalker.CACHE_GROUP_ID_FILTER, cacheId("cache1"), CachePagesListViewWalker.PARTITION_ID_FILTER, 0, CachePagesListViewWalker.BUCKET_NUMBER_FILTER, 0));
        assertEquals(1, F.size(iter));
        iter = ((FiltrableSystemView<CachePagesListView>) cacheGrpPageLists).iterator(U.map(CachePagesListViewWalker.CACHE_GROUP_ID_FILTER, cacheId("cache1"), CachePagesListViewWalker.BUCKET_NUMBER_FILTER, 0));
        assertEquals(2, F.size(iter));
    }
}
Also used : CachePagesListView(org.apache.ignite.spi.systemview.view.CachePagesListView) GridCacheDatabaseSharedManager(org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager) CachePagesListView(org.apache.ignite.spi.systemview.view.CachePagesListView) PagesListView(org.apache.ignite.spi.systemview.view.PagesListView) DataStorageConfiguration(org.apache.ignite.configuration.DataStorageConfiguration) DataRegionConfiguration(org.apache.ignite.configuration.DataRegionConfiguration) FiltrableSystemView(org.apache.ignite.spi.systemview.view.FiltrableSystemView) IgniteEx(org.apache.ignite.internal.IgniteEx) RendezvousAffinityFunction(org.apache.ignite.cache.affinity.rendezvous.RendezvousAffinityFunction) Test(org.junit.Test) GridCommonAbstractTest(org.apache.ignite.testframework.junits.common.GridCommonAbstractTest)

Example 2 with CachePagesListView

use of org.apache.ignite.spi.systemview.view.CachePagesListView in project ignite by apache.

the class GridCacheProcessor method pagesListViewSupplier.

/**
 * Pages list view supplier.
 *
 * @param filter Filter.
 */
private Iterable<CachePagesListView> pagesListViewSupplier(Map<String, Object> filter) {
    Integer cacheGrpId = (Integer) filter.get(CachePagesListViewWalker.CACHE_GROUP_ID_FILTER);
    Integer partId = (Integer) filter.get(CachePagesListViewWalker.PARTITION_ID_FILTER);
    Integer bucketNum = (Integer) filter.get(CachePagesListViewWalker.BUCKET_NUMBER_FILTER);
    Iterable<IgniteCacheOffheapManager.CacheDataStore> dataStores = F.flat(F.iterator(filteredMap(cacheGrps, cacheGrpId).values(), grp -> grp.offheap().cacheDataStores(), true));
    return F.flat(F.iterator(dataStores, dataStore -> {
        RowStore rowStore = dataStore.rowStore();
        if (rowStore == null || !(dataStore instanceof GridCacheOffheapManager.GridCacheDataStore))
            return Collections.emptySet();
        PagesList pagesList = (PagesList) rowStore.freeList();
        if (bucketNum != null) {
            return bucketNum >= 0 && bucketNum < pagesList.bucketsCount() ? Collections.singleton(new CachePagesListView(pagesList, bucketNum, dataStore.partId())) : Collections.emptyList();
        }
        return IntStream.range(0, pagesList.bucketsCount()).mapToObj(bucket -> new CachePagesListView(pagesList, bucket, dataStore.partId())).collect(toList());
    }, true, cacheDataStore -> partId == null || cacheDataStore.partId() == partId));
}
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Aggregations

DataRegionConfiguration (org.apache.ignite.configuration.DataRegionConfiguration)2 DataStorageConfiguration (org.apache.ignite.configuration.DataStorageConfiguration)2 GridCacheDatabaseSharedManager (org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager)2 CachePagesListView (org.apache.ignite.spi.systemview.view.CachePagesListView)2 String.format (java.lang.String.format)1 ArrayList (java.util.ArrayList)1 Arrays.asList (java.util.Arrays.asList)1 Collection (java.util.Collection)1 Collections (java.util.Collections)1 Comparator (java.util.Comparator)1 HashMap (java.util.HashMap)1 HashSet (java.util.HashSet)1 IdentityHashMap (java.util.IdentityHashMap)1 Iterator (java.util.Iterator)1 List (java.util.List)1 ListIterator (java.util.ListIterator)1 Map (java.util.Map)1 Objects.isNull (java.util.Objects.isNull)1 Objects.nonNull (java.util.Objects.nonNull)1 Optional (java.util.Optional)1