Examples with PagesListMetaIO org.apache.ignite.internal.processors.cache.persistence.freelist.io.PagesListMetaIO used on opensource projects

Example 6 with PagesListMetaIO

use of org.apache.ignite.internal.processors.cache.persistence.freelist.io.PagesListMetaIO in project ignite by apache.

the class IgniteIndexReader method getPageListsInfo.

/**
 * Gets info about page lists.
 *
 * @param metaPageListId Page list meta id.
 * @return Page list info.
 */
private PageListsInfo getPageListsInfo(long metaPageListId) {
    Map<IgniteBiTuple<Long, Integer>, List<Long>> bucketsData = new HashMap<>();
    Set<Long> allPages = new HashSet<>();
    Map<Class, Long> pageListStat = new HashMap<>();
    Map<Long, List<Throwable>> errors = new HashMap<>();
    try {
        doWithBuffer((buf, addr) -> {
            long nextMetaId = metaPageListId;
            while (nextMetaId != 0) {
                try {
                    buf.rewind();
                    readPage(idxStore, nextMetaId, buf);
                    PagesListMetaIO io = PageIO.getPageIO(addr);
                    Map<Integer, GridLongList> data = new HashMap<>();
                    io.getBucketsData(addr, data);
                    final long fNextMetaId = nextMetaId;
                    data.forEach((k, v) -> {
                        List<Long> listIds = LongStream.of(v.array()).map(IgniteIndexReader::normalizePageId).boxed().collect(toList());
                        for (Long listId : listIds) {
                            try {
                                allPages.addAll(getPageList(listId, pageListStat));
                            } catch (Exception e) {
                                errors.put(listId, singletonList(e));
                            }
                        }
                        bucketsData.put(new IgniteBiTuple<>(fNextMetaId, k), listIds);
                    });
                    nextMetaId = io.getNextMetaPageId(addr);
                } catch (Exception e) {
                    errors.put(nextMetaId, singletonList(e));
                    nextMetaId = 0;
                }
            }
            return null;
        });
    } catch (IgniteCheckedException e) {
        throw new IgniteException(e);
    }
    return new PageListsInfo(bucketsData, allPages, pageListStat, errors);
}

Example 7 with PagesListMetaIO

use of org.apache.ignite.internal.processors.cache.persistence.freelist.io.PagesListMetaIO in project ignite by apache.

the class RandomLruPageReplacementPolicy method isStoreMetadataPage.

/**
 * @param absPageAddr Absolute page address
 * @return {@code True} if page is related to partition metadata, which is loaded in saveStoreMetadata().
 */
private static boolean isStoreMetadataPage(long absPageAddr) {
    try {
        long dataAddr = absPageAddr + PAGE_OVERHEAD;
        int type = PageIO.getType(dataAddr);
        int ver = PageIO.getVersion(dataAddr);
        PageIO io = PageIO.getPageIO(type, ver);
        return io instanceof PagePartitionMetaIO || io instanceof PagesListMetaIO || io instanceof PagePartitionCountersIO;
    } catch (IgniteCheckedException ignored) {
        return false;
    }
}

Example 8 with PagesListMetaIO

use of org.apache.ignite.internal.processors.cache.persistence.freelist.io.PagesListMetaIO in project ignite by apache.

the class IgniteIndexReader method readIdx.

/**
 * Read index file.
 */
public void readIdx() {
    long partPageStoresNum = Arrays.stream(partStores).filter(Objects::nonNull).count();
    print("Partitions files num: " + partPageStoresNum);
    Map<Class, Long> pageClasses = new HashMap<>();
    long pagesNum = isNull(idxStore) ? 0 : (idxStore.size() - idxStore.headerSize()) / pageSize;
    print("Going to check " + pagesNum + " pages.");
    Set<Long> pageIds = new HashSet<>();
    AtomicReference<Map<String, TreeTraversalInfo>> treeInfo = new AtomicReference<>();
    AtomicReference<Map<String, TreeTraversalInfo>> horizontalScans = new AtomicReference<>();
    AtomicReference<PageListsInfo> pageListsInfo = new AtomicReference<>();
    List<Throwable> errors;
    try {
        IgniteBiTuple<Long, Long> indexPartitionRoots = partitionRoots(partMetaPageId(INDEX_PARTITION, FLAG_IDX));
        long metaTreeRootId = indexPartitionRoots.get1();
        long pageListMetaPageId = indexPartitionRoots.get2();
        // Traversing trees.
        treeInfo.set(traverseAllTrees("Index trees traversal", metaTreeRootId, CountOnlyStorage::new, this::traverseTree));
        treeInfo.get().forEach((name, info) -> {
            pageIds.addAll(info.innerPageIds);
            pageIds.add(info.rootPageId);
        });
        Supplier<ItemStorage> itemStorageFactory = checkParts ? LinkStorage::new : CountOnlyStorage::new;
        horizontalScans.set(traverseAllTrees("Scan index trees horizontally", metaTreeRootId, itemStorageFactory, this::horizontalTreeScan));
        // Scanning page reuse lists.
        if (pageListMetaPageId != 0)
            pageListsInfo.set(getPageListsInfo(pageListMetaPageId));
        ProgressPrinter progressPrinter = new ProgressPrinter(System.out, "Reading pages sequentially", pagesNum);
        // Scan all pages in file.
        errors = scanFileStore(INDEX_PARTITION, FLAG_IDX, idxStore, (pageId, addr, io) -> {
            progressPrinter.printProgress();
            pageClasses.compute(io.getClass(), (k, v) -> v == null ? 1 : v + 1);
            if (!(io instanceof PageMetaIO || io instanceof PagesListMetaIO)) {
                if (idxFilter == null) {
                    if ((io instanceof BPlusMetaIO || io instanceof BPlusInnerIO) && !pageIds.contains(pageId) && pageListsInfo.get() != null && !pageListsInfo.get().allPages.contains(pageId)) {
                        throw new IgniteException("Possibly orphan " + io.getClass().getSimpleName() + " page, pageId=" + pageId);
                    }
                }
            }
            return true;
        });
    } catch (IgniteCheckedException e) {
        throw new IgniteException(INDEX_FILE_NAME + " scan problem", e);
    }
    if (treeInfo.get() == null)
        printErr("No tree meta info found.");
    else {
        printTraversalResults(RECURSIVE_TRAVERSE_NAME, treeInfo.get());
        printTraversalResults(HORIZONTAL_SCAN_NAME, horizontalScans.get());
    }
    compareTraversals(treeInfo.get(), horizontalScans.get());
    if (pageListsInfo.get() == null)
        printErr("No page lists meta info found.");
    else
        printPagesListsInfo(pageListsInfo.get());
    printPageStat("", "\n---These pages types were encountered during sequential scan:", pageClasses);
    if (!errors.isEmpty()) {
        printErr("---");
        printErr("Errors:");
        errors.forEach(this::printStackTrace);
    }
    print("---");
    print("Total pages encountered during sequential scan: " + pageClasses.values().stream().mapToLong(a -> a).sum());
    print("Total errors occurred during sequential scan: " + errors.size());
    if (idxFilter != null)
        print("Orphan pages were not reported due to --indexes filter.");
    print("Note that some pages can be occupied by meta info, tracking info, etc., so total page count can differ " + "from count of pages found in index trees and page lists.");
    if (checkParts) {
        Map<Integer, List<Throwable>> checkPartsErrors = checkParts(horizontalScans.get());
        print("");
        printErrors("", "Partitions check:", "Partitions check detected no errors.", "Errors detected in partition, partId=%s", false, checkPartsErrors);
        print("\nPartition check finished, total errors: " + checkPartsErrors.values().stream().mapToInt(List::size).sum() + ", total problem partitions: " + checkPartsErrors.size());
    }
}