Examples with DatabaseLayout org.neo4j.io.layout.DatabaseLayout used on opensource projects

Example 46 with DatabaseLayout

use of org.neo4j.io.layout.DatabaseLayout in project neo4j by neo4j.

the class AllNodesInStoreExistInLabelIndexTest method replaceLabelIndexWithCopy.

private void replaceLabelIndexWithCopy(Path labelIndexFileCopy) throws IOException {
    managementService.shutdown();
    DatabaseLayout databaseLayout = db.databaseLayout();
    fs.deleteFile(databaseLayout.labelScanStore());
    fs.copyFile(labelIndexFileCopy, databaseLayout.labelScanStore());
}

Example 47 with DatabaseLayout

use of org.neo4j.io.layout.DatabaseLayout in project neo4j by neo4j.

the class AllNodesInStoreExistInLabelIndexTest method reportNotCleanLabelIndex.

@Test
void reportNotCleanLabelIndex() throws IOException, ConsistencyCheckIncompleteException {
    DatabaseLayout databaseLayout = db.databaseLayout();
    someData();
    checkPointer.forceCheckPoint(new SimpleTriggerInfo("forcedCheckpoint"));
    Path labelIndexFileCopy = databaseLayout.file("label_index_copy");
    copyFile(databaseLayout.labelScanStore(), labelIndexFileCopy);
    try (Transaction tx = db.beginTx()) {
        tx.createNode(LABEL_ONE);
        tx.commit();
    }
    managementService.shutdown();
    copyFile(labelIndexFileCopy, databaseLayout.labelScanStore());
    ConsistencyCheckService.Result result = fullConsistencyCheck();
    assertFalse(result.isSuccessful(), "Expected consistency check to fail");
    assertThat(readReport(result)).contains("WARN  Index was dirty on startup which means it was not shutdown correctly and need to be cleaned up with a successful recovery.");
}

Example 48 with DatabaseLayout

use of org.neo4j.io.layout.DatabaseLayout in project neo4j by neo4j.

the class AllNodesInStoreExistInLabelIndexTest method reportNotCleanLabelIndexWithCorrectData.

@Test
void reportNotCleanLabelIndexWithCorrectData() throws IOException, ConsistencyCheckIncompleteException {
    DatabaseLayout databaseLayout = db.databaseLayout();
    someData();
    checkPointer.forceCheckPoint(new SimpleTriggerInfo("forcedCheckpoint"));
    Path labelIndexFileCopy = databaseLayout.file("label_index_copy");
    copyFile(databaseLayout.labelScanStore(), labelIndexFileCopy);
    managementService.shutdown();
    copyFile(labelIndexFileCopy, databaseLayout.labelScanStore());
    ConsistencyCheckService.Result result = fullConsistencyCheck();
    assertTrue(result.isSuccessful(), "Expected consistency check to fail");
    assertThat(readReport(result)).contains("WARN  Index was dirty on startup which means it was not shutdown correctly and need to be cleaned up with a successful recovery.");
}

Example 49 with DatabaseLayout

use of org.neo4j.io.layout.DatabaseLayout in project neo4j by neo4j.

the class MemoryRecommendationsCommandTest method includeAllDatabasesToMemoryRecommendations.

@Test
void includeAllDatabasesToMemoryRecommendations() throws IOException {
    PrintStream output = mock(PrintStream.class);
    Path homeDir = neo4jLayout.homeDirectory();
    Path configDir = homeDir.resolve("conf");
    Files.createDirectories(configDir);
    Path configFile = configDir.resolve(DEFAULT_CONFIG_FILE_NAME);
    Files.createFile(configFile);
    long totalPageCacheSize = 0;
    long totalLuceneIndexesSize = 0;
    for (int i = 0; i < 5; i++) {
        DatabaseLayout databaseLayout = neo4jLayout.databaseLayout("db" + i);
        createDatabaseWithNativeIndexes(homeDir, databaseLayout.getDatabaseName());
        long[] expectedSizes = calculatePageCacheFileSize(databaseLayout);
        totalPageCacheSize += expectedSizes[0];
        totalLuceneIndexesSize += expectedSizes[1];
    }
    DatabaseLayout systemLayout = neo4jLayout.databaseLayout(SYSTEM_DATABASE_NAME);
    long[] expectedSizes = calculatePageCacheFileSize(systemLayout);
    totalPageCacheSize += expectedSizes[0];
    totalLuceneIndexesSize += expectedSizes[1];
    MemoryRecommendationsCommand command = new MemoryRecommendationsCommand(new ExecutionContext(homeDir, configDir, output, mock(PrintStream.class), testDirectory.getFileSystem()));
    CommandLine.populateCommand(command, "--memory=8g");
    command.execute();
    final long expectedLuceneIndexesSize = totalLuceneIndexesSize;
    final long expectedPageCacheSize = totalPageCacheSize;
    verify(output).println(contains("Total size of lucene indexes in all databases: " + bytesToString(expectedLuceneIndexesSize)));
    verify(output).println(contains("Total size of data and native indexes in all databases: " + bytesToString(expectedPageCacheSize)));
}

Example 50 with DatabaseLayout

use of org.neo4j.io.layout.DatabaseLayout in project neo4j by neo4j.

the class IndexConsistencyIT method fullConsistencyCheck.

private ConsistencyCheckService.Result fullConsistencyCheck() throws ConsistencyCheckIncompleteException, IOException {
    try (FileSystemAbstraction fsa = new DefaultFileSystemAbstraction()) {
        ConsistencyCheckService service = new ConsistencyCheckService();
        DatabaseLayout databaseLayout = db.databaseLayout();
        Config config = Config.defaults(logs_directory, databaseLayout.databaseDirectory());
        return service.runFullConsistencyCheck(databaseLayout, config, NONE, log, fsa, false, ConsistencyFlags.DEFAULT);
    }
}