Examples with METASTORAGE_CACHE_ID org.apache.ignite.internal.processors.cache.persistence.metastorage.MetaStorage.METASTORAGE_CACHE_ID used on opensource projects

Example 1 with METASTORAGE_CACHE_ID

use of org.apache.ignite.internal.processors.cache.persistence.metastorage.MetaStorage.METASTORAGE_CACHE_ID in project ignite by apache.

the class GridCacheDatabaseSharedManager method restoreMemory.

/**
 * @param status Checkpoint status.
 * @param storeOnly If {@code True} restores Metastorage only.
 */
private WALPointer restoreMemory(CheckpointStatus status, boolean storeOnly, PageMemoryEx storePageMem) throws IgniteCheckedException {
    assert !storeOnly || storePageMem != null;
    if (log.isInfoEnabled())
        log.info("Checking memory state [lastValidPos=" + status.endPtr + ", lastMarked=" + status.startPtr + ", lastCheckpointId=" + status.cpStartId + ']');
    boolean apply = status.needRestoreMemory();
    if (apply) {
        U.quietAndWarn(log, "Ignite node stopped in the middle of checkpoint. Will restore memory state and " + "finish checkpoint on node start.");
        cctx.pageStore().beginRecover();
    } else
        cctx.wal().allowCompressionUntil(status.startPtr);
    long start = U.currentTimeMillis();
    int applied = 0;
    WALPointer lastRead = null;
    Collection<Integer> ignoreGrps = storeOnly ? Collections.emptySet() : initiallyWalDisabledGrps;
    try (WALIterator it = cctx.wal().replay(status.endPtr)) {
        while (it.hasNextX()) {
            IgniteBiTuple<WALPointer, WALRecord> tup = it.nextX();
            WALRecord rec = tup.get2();
            lastRead = tup.get1();
            switch(rec.type()) {
                case CHECKPOINT_RECORD:
                    CheckpointRecord cpRec = (CheckpointRecord) rec;
                    // We roll memory up until we find a checkpoint start record registered in the status.
                    if (F.eq(cpRec.checkpointId(), status.cpStartId)) {
                        log.info("Found last checkpoint marker [cpId=" + cpRec.checkpointId() + ", pos=" + tup.get1() + ']');
                        apply = false;
                    } else if (!F.eq(cpRec.checkpointId(), status.cpEndId))
                        U.warn(log, "Found unexpected checkpoint marker, skipping [cpId=" + cpRec.checkpointId() + ", expCpId=" + status.cpStartId + ", pos=" + tup.get1() + ']');
                    break;
                case PAGE_RECORD:
                    if (apply) {
                        PageSnapshot pageRec = (PageSnapshot) rec;
                        // Here we do not require tag check because we may be applying memory changes after
                        // several repetitive restarts and the same pages may have changed several times.
                        int grpId = pageRec.fullPageId().groupId();
                        if (storeOnly && grpId != METASTORAGE_CACHE_ID)
                            continue;
                        if (!ignoreGrps.contains(grpId)) {
                            long pageId = pageRec.fullPageId().pageId();
                            PageMemoryEx pageMem = grpId == METASTORAGE_CACHE_ID ? storePageMem : getPageMemoryForCacheGroup(grpId);
                            long page = pageMem.acquirePage(grpId, pageId, true);
                            try {
                                long pageAddr = pageMem.writeLock(grpId, pageId, page);
                                try {
                                    PageUtils.putBytes(pageAddr, 0, pageRec.pageData());
                                } finally {
                                    pageMem.writeUnlock(grpId, pageId, page, null, true, true);
                                }
                            } finally {
                                pageMem.releasePage(grpId, pageId, page);
                            }
                            applied++;
                        }
                    }
                    break;
                case PARTITION_DESTROY:
                    PartitionDestroyRecord destroyRec = (PartitionDestroyRecord) rec;
                    final int gId = destroyRec.groupId();
                    if (storeOnly && gId != METASTORAGE_CACHE_ID)
                        continue;
                    if (!ignoreGrps.contains(gId)) {
                        final int pId = destroyRec.partitionId();
                        PageMemoryEx pageMem = gId == METASTORAGE_CACHE_ID ? storePageMem : getPageMemoryForCacheGroup(gId);
                        pageMem.clearAsync((grpId, pageId) -> grpId == gId && PageIdUtils.partId(pageId) == pId, true).get();
                    }
                    break;
                default:
                    if (apply && rec instanceof PageDeltaRecord) {
                        PageDeltaRecord r = (PageDeltaRecord) rec;
                        int grpId = r.groupId();
                        if (storeOnly && grpId != METASTORAGE_CACHE_ID)
                            continue;
                        if (!ignoreGrps.contains(grpId)) {
                            long pageId = r.pageId();
                            PageMemoryEx pageMem = grpId == METASTORAGE_CACHE_ID ? storePageMem : getPageMemoryForCacheGroup(grpId);
                            // Here we do not require tag check because we may be applying memory changes after
                            // several repetitive restarts and the same pages may have changed several times.
                            long page = pageMem.acquirePage(grpId, pageId, true);
                            try {
                                long pageAddr = pageMem.writeLock(grpId, pageId, page);
                                try {
                                    r.applyDelta(pageMem, pageAddr);
                                } finally {
                                    pageMem.writeUnlock(grpId, pageId, page, null, true, true);
                                }
                            } finally {
                                pageMem.releasePage(grpId, pageId, page);
                            }
                            applied++;
                        }
                    }
            }
        }
    }
    if (storeOnly)
        return null;
    if (status.needRestoreMemory()) {
        if (apply)
            throw new IgniteCheckedException("Failed to restore memory state (checkpoint marker is present " + "on disk, but checkpoint record is missed in WAL) " + "[cpStatus=" + status + ", lastRead=" + lastRead + "]");
        log.info("Finished applying memory changes [changesApplied=" + applied + ", time=" + (U.currentTimeMillis() - start) + "ms]");
        if (applied > 0)
            finalizeCheckpointOnRecovery(status.cpStartTs, status.cpStartId, status.startPtr);
    }
    checkpointHist.loadHistory(cpDir);
    return lastRead == null ? null : lastRead.next();
}