Examples with BooleanHolder herddb.utils.BooleanHolder used on opensource projects

Example 1 with BooleanHolder

use of herddb.utils.BooleanHolder in project herddb by diennea.

the class TableManager method loadPageToMemory.

private DataPage loadPageToMemory(Long pageId, boolean recovery) throws DataStorageManagerException {
    DataPage result = pages.get(pageId);
    if (result != null) {
        pageReplacementPolicy.pageHit(result);
        return result;
    }
    long _start = System.currentTimeMillis();
    long _ioAndLock = 0;
    BooleanHolder computed = new BooleanHolder(false);
    try {
        result = pages.computeIfAbsent(pageId, (id) -> {
            try {
                computed.value = true;
                List<Record> page;
                maxCurrentPagesLoads.acquireUninterruptibly();
                try {
                    page = dataStorageManager.readPage(tableSpaceUUID, table.uuid, pageId);
                } finally {
                    maxCurrentPagesLoads.release();
                }
                loadedPagesCount.increment();
                return buildImmutableDataPage(pageId, page);
            } catch (DataStorageManagerException err) {
                throw new RuntimeException(err);
            }
        });
        if (computed.value) {
            _ioAndLock = System.currentTimeMillis();
            final Page.Metadata unload = pageReplacementPolicy.add(result);
            if (unload != null) {
                unload.owner.unload(unload.pageId);
            }
        }
    } catch (RuntimeException error) {
        if (error.getCause() != null) {
            Throwable cause = error.getCause();
            if (cause instanceof DataStorageManagerException) {
                if (cause instanceof DataPageDoesNotExistException) {
                    return null;
                }
                throw (DataStorageManagerException) cause;
            }
        }
        throw new DataStorageManagerException(error);
    }
    if (computed.value && LOGGER.isLoggable(Level.FINE)) {
        long _stop = System.currentTimeMillis();
        LOGGER.log(Level.FINE, "table {0}.{1}, loaded {2} records from page {3} in {4} ms, ({5} ms read + plock, {6} ms unlock)", new Object[] { table.tablespace, table.name, result.size(), pageId, (_stop - _start), (_ioAndLock - _start), (_stop - _ioAndLock) });
    }
    return result;
}

Example 2 with BooleanHolder

use of herddb.utils.BooleanHolder in project herddb by diennea.

the class ConcurrentMapKeyToPageIndex method put.

@Override
public boolean put(Bytes key, Long newPage, Long expectedPage) {
    if (expectedPage == null) {
        final Long opage = map.putIfAbsent(key, newPage);
        if (opage == null) {
            keyAdded(key);
            return true;
        }
        return false;
    } else {
        /*
             * We need to keep track if the update was really done. Reading computeIfPresent result won't
             * suffice, it can be equal to newPage even if no replacement was done (the map contained already
             * newPage mapping and expectedPage was different)
             */
        BooleanHolder holder = new BooleanHolder(false);
        map.computeIfPresent(key, (skey, spage) -> {
            if (spage.equals(expectedPage)) {
                holder.value = true;
                return newPage;
            }
            return spage;
        });
        if (holder.value) {
            keyAdded(key);
            return true;
        }
        return false;
    }
}

Example 3 with BooleanHolder

use of herddb.utils.BooleanHolder in project herddb by diennea.

the class SimpleFollowerTest method testLeaderOnlineLogAvailableMultipleVersionsActivePages.

@Test
public void testLeaderOnlineLogAvailableMultipleVersionsActivePages() throws Exception {
    ServerConfiguration serverconfig_1 = newServerConfigurationWithAutoPort(folder.newFolder().toPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_MAX_LOGICAL_PAGE_SIZE, 1000);
    serverconfig_1.set(ServerConfiguration.PROPERTY_NODEID, "server1");
    serverconfig_1.set(ServerConfiguration.PROPERTY_MODE, ServerConfiguration.PROPERTY_MODE_CLUSTER);
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, testEnv.getAddress());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_PATH, testEnv.getPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, testEnv.getTimeout());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ENFORCE_LEADERSHIP, false);
    serverconfig_1.set(ServerConfiguration.PROPERTY_ENFORCE_LEADERSHIP, false);
    // delete ledgers soon
    serverconfig_1.set(ServerConfiguration.PROPERTY_BOOKKEEPER_LEDGERS_RETENTION_PERIOD, 1);
    serverconfig_1.set(ServerConfiguration.PROPERTY_CHECKPOINT_PERIOD, 0);
    // disabled
    serverconfig_1.set(ServerConfiguration.PROPERTY_BOOKKEEPER_MAX_IDLE_TIME, 0);
    /*
         * Disable page compaction (avoid compaction of dirty page)
         */
    serverconfig_1.set(ServerConfiguration.PROPERTY_FILL_PAGE_THRESHOLD, 0.0D);
    ServerConfiguration serverconfig_2 = serverconfig_1.copy().set(ServerConfiguration.PROPERTY_NODEID, "server2").set(ServerConfiguration.PROPERTY_BOOT_FORCE_DOWNLOAD_SNAPSHOT, true).set(ServerConfiguration.PROPERTY_BASEDIR, folder.newFolder().toPath().toAbsolutePath());
    Table table = Table.builder().name("t1").column("c", ColumnTypes.INTEGER).column("s", ColumnTypes.STRING).primaryKey("c").build();
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        server_1.getManager().executeStatement(new CreateTableStatement(table), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        TableSpaceManager tableSpaceManager = server_1.getManager().getTableSpaceManager(TableSpace.DEFAULT);
        AbstractTableManager tableManager = tableSpaceManager.getTableManager("t1");
        // fill table
        long tx = herddb.core.TestUtils.beginTransaction(server_1.getManager(), TableSpace.DEFAULT);
        for (int i = 0; i < 1000; i++) {
            server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", i, "s", "1")), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), new TransactionContext(tx));
        }
        herddb.core.TestUtils.commitTransaction(server_1.getManager(), TableSpace.DEFAULT, tx);
        // when we send the dump to the follower we must send only the latest version of the record
        for (int i = 0; i < 10; i++) {
            tableManager.flush();
            server_1.getManager().executeUpdate(new UpdateStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 1, "s", "2" + i), null), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        }
        BooleanHolder foundDuplicate = new BooleanHolder(false);
        server_1.getManager().getDataStorageManager().fullTableScan(tableSpaceManager.getTableSpaceUUID(), tableManager.getTable().uuid, new FullTableScanConsumer() {

            Map<Bytes, Long> recordPage = new HashMap<>();

            @Override
            public void acceptPage(long pageId, List<Record> records) {
                for (Record record : records) {
                    Long prev = recordPage.put(record.key, pageId);
                    if (prev != null) {
                        foundDuplicate.value = true;
                    }
                }
            }
        });
        assertTrue(foundDuplicate.value);
        // data will be downloaded from the server_1 (PROPERTY_BOOT_FORCE_DOWNLOAD_SNAPSHOT)
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            assertTrue(server_2.getManager().isTableSpaceLocallyRecoverable(server_1.getMetadataStorageManager().describeTableSpace(TableSpace.DEFAULT)));
            server_1.getManager().executeStatement(new AlterTableSpaceStatement(TableSpace.DEFAULT, new HashSet<>(Arrays.asList("server1", "server2")), "server1", 1, 0), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
            assertTrue(server_2.getManager().waitForTablespace(TableSpace.DEFAULT, 60000, false));
        }
    }
}