tkalkirill commented on code in PR #1506: URL: https://github.com/apache/ignite-3/pull/1506#discussion_r1072415322
########## modules/storage-page-memory/src/main/java/org/apache/ignite/internal/storage/pagememory/PersistentPageMemoryTableStorage.java: ########## @@ -405,42 +373,148 @@ private IndexMetaTree createIndexMetaTree( } @Override - public CompletableFuture<Void> startRebalancePartition(int partitionId) { - // TODO: IGNITE-18029 Implement - throw new UnsupportedOperationException(); - } + CompletableFuture<Void> destroyMvPartitionStorage(AbstractPageMemoryMvPartitionStorage mvPartitionStorage) { + // It is enough for us to close the partition storage and its indexes (do not destroy). Prepare the data region, checkpointer, and + // compactor to remove the partition, and then simply delete the partition file and its delta files. + mvPartitionStorage.close(); - @Override - public CompletableFuture<Void> abortRebalancePartition(int partitionId) { - // TODO: IGNITE-18029 Implement - throw new UnsupportedOperationException(); + return destroyPartitionPhysically(createGroupPartitionId(mvPartitionStorage.partitionId())); } @Override - public CompletableFuture<Void> finishRebalancePartition(int partitionId, long lastAppliedIndex, long lastAppliedTerm) { - // TODO: IGNITE-18029 Implement - throw new UnsupportedOperationException(); - } + CompletableFuture<Void> clearStorageAndUpdateDataStructures(AbstractPageMemoryMvPartitionStorage mvPartitionStorage) { + GroupPartitionId groupPartitionId = createGroupPartitionId(mvPartitionStorage.partitionId()); - @Override - CompletableFuture<Void> destroyMvPartitionStorage(AbstractPageMemoryMvPartitionStorage mvPartitionStorage) { - int partitionId = mvPartitionStorage.partitionId(); + return destroyPartitionPhysically(groupPartitionId).thenAccept(unused -> { + TableView tableView = tableConfig.value(); - // It is enough for us to close the partition storage and its indexes (do not destroy). Prepare the data region, checkpointer, and - // compactor to remove the partition, and then simply delete the partition file and its delta files. + PersistentPageMemory pageMemory = dataRegion.pageMemory(); - mvPartitionStorage.close(); + int partitionId = groupPartitionId.getPartitionId(); + + PartitionMeta meta = getOrCreatePartitionMeta(groupPartitionId, ensurePartitionFilePageStore(tableView, groupPartitionId)); + + inCheckpointLock(() -> { + RowVersionFreeList rowVersionFreeList = createRowVersionFreeList(tableView, partitionId, pageMemory, meta); - int tableId = tableCfg.tableId().value(); + IndexColumnsFreeList indexColumnsFreeList + = createIndexColumnsFreeList(tableView, partitionId, rowVersionFreeList, pageMemory, meta); - GroupPartitionId groupPartitionId = new GroupPartitionId(tableId, partitionId); + VersionChainTree versionChainTree = createVersionChainTree(tableView, partitionId, rowVersionFreeList, pageMemory, meta); + IndexMetaTree indexMetaTree = createIndexMetaTree(tableView, partitionId, rowVersionFreeList, pageMemory, meta); + + ((PersistentPageMemoryMvPartitionStorage) mvPartitionStorage).updateDataStructuresOnRebalance( + meta, + rowVersionFreeList, + indexColumnsFreeList, + versionChainTree, + indexMetaTree + ); + + return null; + }); + }); + } + + private CompletableFuture<Void> destroyPartitionPhysically(GroupPartitionId groupPartitionId) { dataRegion.filePageStoreManager().getStore(groupPartitionId).markToDestroy(); - dataRegion.pageMemory().invalidate(tableId, partitionId); + dataRegion.pageMemory().invalidate(groupPartitionId.getGroupId(), groupPartitionId.getPartitionId()); return dataRegion.checkpointManager().onPartitionDestruction(groupPartitionId) .thenAccept(unused -> dataRegion.partitionMetaManager().removeMeta(groupPartitionId)) .thenCompose(unused -> dataRegion.filePageStoreManager().destroyPartition(groupPartitionId)); } + + private GroupPartitionId createGroupPartitionId(int partitionId) { + return new GroupPartitionId(tableConfig.tableId().value(), partitionId); + } + + private <V> V inCheckpointLock(Supplier<V> supplier) { + CheckpointTimeoutLock checkpointTimeoutLock = dataRegion.checkpointManager().checkpointTimeoutLock(); + + checkpointTimeoutLock.checkpointReadLock(); + + try { + return supplier.get(); + } finally { + checkpointTimeoutLock.checkpointReadUnlock(); + } + } + + private PartitionMeta getOrCreatePartitionMeta(GroupPartitionId groupPartitionId, FilePageStore filePageStore) { + try { + PartitionMeta meta = dataRegion.partitionMetaManager().readOrCreateMeta(lastCheckpointId(), groupPartitionId, filePageStore); + + dataRegion.partitionMetaManager().addMeta(groupPartitionId, meta); + + filePageStore.pages(meta.pageCount()); + + filePageStore.setPageAllocationListener(pageIdx -> { + assert dataRegion.checkpointManager().checkpointTimeoutLock().checkpointLockIsHeldByThread(); + + meta.incrementPageCount(lastCheckpointId()); + }); + + return meta; + } catch (IgniteInternalCheckedException e) { + throw new StorageException( + IgniteStringFormatter.format( + "Error reading or creating partition meta information: [table={}, partitionId={}]", + getTableName(), + groupPartitionId.getPartitionId() + ), + e + ); + } + } + + private PartitionMeta getOrCreatePartitionMetaWithRecreatePartitionPageStoreIfRebalanceNotCompleted(GroupPartitionId groupPartitionId) { + TableView tableView = tableConfig.value(); + + FilePageStore filePageStore = ensurePartitionFilePageStore(tableView, groupPartitionId); Review Comment: Try to fix it. -- This is an automated message from the Apache Git Service. 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