Examples with Instant de.invesdwin.util.time.Instant used on opensource projects

Example 6 with Instant

use of de.invesdwin.util.time.Instant in project invesdwin-context-persistence by subes.

the class InfluxDBPerformanceTest method readIterator.

private void readIterator(final String dbname, final String measurementName, final InfluxDB influxDB) {
    final Instant readsStart = new Instant();
    for (int reads = 1; reads <= READS; reads++) {
        FDate prevValue = null;
        final QueryResult queryResult = influxDB.query(new Query("Select value from " + measurementName + " where hashKey = '" + HASH_KEY + "'", dbname), TimeUnit.MILLISECONDS);
        final List<Result> range = queryResult.getResults();
        int count = 0;
        final List<List<Object>> series = range.get(0).getSeries().get(0).getValues();
        for (int result = 0; result < series.size(); result++) {
            final Double valueDouble = (Double) series.get(result).get(0);
            final FDate value = new FDate(valueDouble.longValue());
            if (prevValue != null) {
                Assertions.checkTrue(prevValue.isBefore(value));
            }
            prevValue = value;
            count++;
        }
        Assertions.checkEquals(count, VALUES);
        printProgress("Reads", readsStart, VALUES * reads, VALUES * READS);
    }
    printProgress("ReadsFinished", readsStart, VALUES * READS, VALUES * READS);
}

Example 7 with Instant

use of de.invesdwin.util.time.Instant in project invesdwin-context-persistence by subes.

the class DerbyPerformanceTest method readIterator.

private void readIterator(final Connection conn) throws Exception {
    final LoopInterruptedCheck loopCheck = new LoopInterruptedCheck(Duration.ONE_SECOND);
    final Instant readsStart = new Instant();
    final Statement select = conn.createStatement();
    for (int reads = 1; reads <= READS; reads++) {
        FDate prevValue = null;
        int count = 0;
        try (ResultSet results = select.executeQuery("SELECT v FROM abc ORDER BY k ASC")) {
            while (results.next()) {
                final FDate value = new FDate(results.getLong(1));
                if (prevValue != null) {
                    Assertions.checkTrue(prevValue.isBefore(value));
                }
                prevValue = value;
                count++;
            }
        }
        Assertions.checkEquals(count, VALUES);
        if (loopCheck.check()) {
            printProgress("Reads", readsStart, VALUES * reads, VALUES * READS);
        }
    }
    printProgress("ReadsFinished", readsStart, VALUES * READS, VALUES * READS);
}

Example 8 with Instant

use of de.invesdwin.util.time.Instant in project invesdwin-context-persistence by subes.

the class DerbyPerformanceTest method readGet.

private void readGet(final Connection conn) throws Exception {
    final LoopInterruptedCheck loopCheck = new LoopInterruptedCheck(Duration.ONE_SECOND);
    final List<FDate> values = Lists.toList(newValues());
    final Instant readsStart = new Instant();
    for (int reads = 0; reads < READS; reads++) {
        FDate prevValue = null;
        int count = 0;
        try (PreparedStatement select = conn.prepareStatement("SELECT v FROM abc where k = ?  fetch first 1 rows only")) {
            for (int i = 0; i < values.size(); i++) {
                select.setLong(1, values.get(i).millisValue());
                try (ResultSet results = select.executeQuery()) {
                    Assertions.checkTrue(results.next());
                    final FDate value = new FDate(results.getLong(1));
                    if (prevValue != null) {
                        Assertions.checkTrue(prevValue.isBefore(value));
                    }
                    prevValue = value;
                    count++;
                    if (loopCheck.check()) {
                        printProgress("Gets", readsStart, VALUES * reads + count, VALUES * READS);
                    }
                }
            }
        }
        Assertions.checkEquals(count, VALUES);
    }
    printProgress("GetsFinished", readsStart, VALUES * READS, VALUES * READS);
}

Example 9 with Instant

use of de.invesdwin.util.time.Instant in project invesdwin-context-persistence by subes.

the class DerbyPerformanceTest method testDerbyPerformance.

@Test
public void testDerbyPerformance() throws Exception {
    final File directory = new File(ContextProperties.getCacheDirectory(), DerbyPerformanceTest.class.getSimpleName());
    Files.deleteNative(directory);
    Files.forceMkdirParent(directory);
    final Instant writesStart = new Instant();
    int i = 0;
    Class.forName("org.apache.derby.iapi.jdbc.AutoloadedDriver");
    final Connection conn = DriverManager.getConnection("jdbc:derby:" + directory.getAbsolutePath() + ";create=true");
    // autocommit is very slow and overrides transactions
    conn.setAutoCommit(false);
    final Statement create = conn.createStatement();
    create.execute("CREATE TABLE abc (k BIGINT, v BIGINT, PRIMARY KEY(k))");
    create.execute("CREATE UNIQUE INDEX idx_abc on abc (k desc)");
    create.close();
    final LoopInterruptedCheck loopCheck = new LoopInterruptedCheck(Duration.ONE_SECOND);
    final Statement tx = conn.createStatement();
    final PreparedStatement insert = conn.prepareStatement("INSERT INTO abc VALUES (?,?)");
    for (final FDate date : newValues()) {
        final long value = date.longValue(FTimeUnit.MILLISECONDS);
        insert.setLong(1, value);
        insert.setLong(2, value);
        insert.addBatch();
        i++;
        if (i % FLUSH_INTERVAL == 0) {
            insert.executeBatch();
            conn.commit();
            if (loopCheck.check()) {
                printProgress("Writes", writesStart, i, VALUES);
            }
        }
    }
    insert.executeBatch();
    insert.close();
    conn.commit();
    printProgress("WritesFinished", writesStart, VALUES, VALUES);
    tx.close();
    readIterator(conn);
    readGet(conn);
    readGetLatest(conn);
    final Statement drop = conn.createStatement();
    drop.execute("drop table abc");
    drop.close();
    Files.deleteNative(directory);
}

Example 10 with Instant

use of de.invesdwin.util.time.Instant in project invesdwin-context-persistence by subes.

the class LsmTreePerformanceTest method testLsmTreePerformance.

@Test
public void testLsmTreePerformance() throws IOException, InterruptedException {
    final File directory = new File(ContextProperties.getCacheDirectory(), LsmTreePerformanceTest.class.getSimpleName());
    Files.deleteNative(directory);
    Files.forceMkdir(directory);
    final File file = new File(directory, "testLsmTreePerformance");
    final LoopInterruptedCheck loopCheck = new LoopInterruptedCheck(Duration.ONE_SECOND);
    final Instant writesStart = new Instant();
    Store<FDate, FDate> store = newStore(file);
    int i = 0;
    for (final FDate date : newValues()) {
        store.put(date, date);
        i++;
        if (i % FLUSH_INTERVAL == 0) {
            if (loopCheck.check()) {
                printProgress("Writes", writesStart, i, VALUES);
            }
        }
    }
    // store.waitForCompactions();
    printProgress("WritesFinished", writesStart, VALUES, VALUES);
    store.close();
    store = newStore(file);
    readIterator(store);
    readGet(store);
    readGetLatest(store);
    store.close();
}