Examples with PageCache org.neo4j.io.pagecache.PageCache used on opensource projects

Example 61 with PageCache

use of org.neo4j.io.pagecache.PageCache in project neo4j by neo4j.

the class StreamToDiskTest method shouldLetPageCacheHandleRecordStoresAndNativeLabelScanStoreFiles.

@Test
public void shouldLetPageCacheHandleRecordStoresAndNativeLabelScanStoreFiles() throws Exception {
    // GIVEN
    PageCache pageCache = spy(pageCacheRule.getPageCache(fs));
    Monitors monitors = new Monitors();
    try (StreamToDisk writer = new StreamToDisk(directory.absolutePath(), fs, pageCache, monitors)) {
        ByteBuffer tempBuffer = ByteBuffer.allocate(128);
        // WHEN
        for (StoreType type : StoreType.values()) {
            if (type.isRecordStore()) {
                String fileName = type.getStoreFile().fileName(STORE);
                writeAndVerifyWrittenThroughPageCache(pageCache, writer, tempBuffer, fileName);
            }
        }
        writeAndVerifyWrittenThroughPageCache(pageCache, writer, tempBuffer, NativeLabelScanStore.FILE_NAME);
    }
}

Example 62 with PageCache

use of org.neo4j.io.pagecache.PageCache in project neo4j by neo4j.

the class StoreFilesTest method deleteMustNotDeleteIgnoredFiles.

@Test
public void deleteMustNotDeleteIgnoredFiles() throws Exception {
    File dir = getBaseDir();
    File a = new File(dir, "a");
    File b = new File(dir, "b");
    File c = new File(dir, "c");
    File d = new File(dir, "d");
    createOnFileSystem(a);
    createOnFileSystem(c);
    createOnPageCache(b);
    createOnPageCache(d);
    FilenameFilter filter = (directory, name) -> !name.equals("c") && !name.equals("d");
    storeFiles = new StoreFiles(fs, pageCache, filter);
    storeFiles.delete(dir);
    assertFalse(fs.fileExists(a));
    assertFalse(pc.fileExists(b));
    assertTrue(fs.fileExists(c));
    assertTrue(pc.fileExists(d));
}

Example 63 with PageCache

use of org.neo4j.io.pagecache.PageCache in project neo4j by neo4j.

the class DumpStore method main.

public static void main(String... args) throws Exception {
    if (args == null || args.length == 0) {
        System.err.println("SYNTAX: [file[:id[,id]*]]+");
        return;
    }
    try (DefaultFileSystemAbstraction fs = new DefaultFileSystemAbstraction();
        PageCache pageCache = createPageCache(fs)) {
        final DefaultIdGeneratorFactory idGeneratorFactory = new DefaultIdGeneratorFactory(fs);
        Function<File, StoreFactory> createStoreFactory = file -> new StoreFactory(file.getParentFile(), Config.defaults(), idGeneratorFactory, pageCache, fs, logProvider());
        for (String arg : args) {
            dumpFile(createStoreFactory, arg);
        }
    }
}

Example 64 with PageCache

use of org.neo4j.io.pagecache.PageCache in project neo4j by neo4j.

the class ReadReplicaReplicationIT method changeStoreId.

private void changeStoreId(ReadReplica replica) throws IOException {
    File neoStoreFile = new File(replica.storeDir(), MetaDataStore.DEFAULT_NAME);
    PageCache pageCache = replica.database().getDependencyResolver().resolveDependency(PageCache.class);
    MetaDataStore.setRecord(pageCache, neoStoreFile, TIME, System.currentTimeMillis());
}

Example 65 with PageCache

use of org.neo4j.io.pagecache.PageCache in project neo4j by neo4j.

the class SwitchToSlaveBranchThenCopyTest method mockPageCache.

private PageCache mockPageCache() throws IOException {
    PageCache pageCacheMock = mock(PageCache.class);
    PagedFile pagedFileMock = mock(PagedFile.class);
    when(pagedFileMock.getLastPageId()).thenReturn(1L);
    when(pageCacheMock.map(any(File.class), anyInt())).thenThrow(new IOException()).thenThrow(new IOException()).thenReturn(pagedFileMock);
    return pageCacheMock;
}