Examples with DATA_REGION_PAGE_LIST_VIEW org.apache.ignite.internal.processors.cache.persistence.IgniteCacheDatabaseSharedManager.DATA_REGION_PAGE_LIST_VIEW used on opensource projects

Example 1 with DATA_REGION_PAGE_LIST_VIEW

use of org.apache.ignite.internal.processors.cache.persistence.IgniteCacheDatabaseSharedManager.DATA_REGION_PAGE_LIST_VIEW in project ignite by apache.

the class SystemViewCommandTest method testPagesList.

/**
 */
@Test
public void testPagesList() throws Exception {
    String cacheName = "cacheFL";
    IgniteCache<Integer, byte[]> cache = ignite0.getOrCreateCache(new CacheConfiguration<Integer, byte[]>().setName(cacheName).setAffinity(new RendezvousAffinityFunction().setPartitions(1)));
    GridCacheDatabaseSharedManager dbMgr = (GridCacheDatabaseSharedManager) ignite0.context().cache().context().database();
    int pageSize = dbMgr.pageSize();
    try {
        dbMgr.enableCheckpoints(false).get();
        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]);
        List<List<String>> cacheGrpView = systemView(ignite0, CACHE_GRP_PAGE_LIST_VIEW);
        List<List<String>> dataRegionView = systemView(ignite0, DATA_REGION_PAGE_LIST_VIEW);
        String cacheId = Integer.toString(cacheId(cacheName));
        // Test filtering by 3 columns.
        assertFalse(cacheGrpView.stream().noneMatch(row -> cacheId.equals(row.get(0)) && "0".equals(row.get(1)) && "0".equals(row.get(3))));
        // Test filtering with invalid cache group id.
        assertTrue(cacheGrpView.stream().noneMatch(row -> "-1".equals(row.get(0))));
        // Test filtering with invalid partition id.
        assertTrue(cacheGrpView.stream().noneMatch(row -> "-1".equals(row.get(1))));
        // Test filtering with invalid bucket number.
        assertTrue(cacheGrpView.stream().noneMatch(row -> "-1".equals(row.get(3))));
        assertFalse(cacheGrpView.stream().noneMatch(row -> Integer.parseInt(row.get(4)) > 0 && cacheId.equals(row.get(0))));
        assertFalse(cacheGrpView.stream().noneMatch(row -> Integer.parseInt(row.get(5)) > 0 && cacheId.equals(row.get(0))));
        assertFalse(cacheGrpView.stream().noneMatch(row -> Integer.parseInt(row.get(6)) > 0 && cacheId.equals(row.get(0))));
        assertFalse(dataRegionView.stream().noneMatch(row -> row.get(0).startsWith(DATA_REGION_NAME)));
        assertTrue(dataRegionView.stream().noneMatch(row -> row.get(0).startsWith(DATA_REGION_NAME) && Integer.parseInt(row.get(4)) > 0));
    } finally {
        dbMgr.enableCheckpoints(true).get();
    }
    ignite0.cluster().state(INACTIVE);
    ignite0.cluster().state(ACTIVE);
    IgniteCache<Integer, Integer> cacheInMemory = ignite0.getOrCreateCache(new CacheConfiguration<Integer, Integer>().setName("cacheFLInMemory").setDataRegionName(DATA_REGION_NAME));
    cacheInMemory.put(0, 0);
    // After activation/deactivation new view for data region pages lists should be created, check that new view
    // correctly reflects changes in free-lists.
    assertTrue(systemView(ignite0, DATA_REGION_PAGE_LIST_VIEW).stream().noneMatch(row -> row.get(0).startsWith(DATA_REGION_NAME) && Integer.parseInt(row.get(4)) > 0));
}