Examples of com.sleepycat.je.LockStats

com.sleepycat.je.LockStats
Lock statistics for a database environment.
Note that some of the lock statistics may be expensive to obtain because the lock table is unavailable to other operations while the statistics are gathered. These expensive statistics are only provided if {@link com.sleepycat.je.Environment#getLockStats Environment.getLockStats} iscalled with a StatsConfig parameter that has been configured for "slow" stats. @deprecated as of 4.0.10, replaced by {@link Environment#getStats(StatsConfig)}.

                          "The types of locks held in the lock table");
        if (!config.getFast()) {
            dumpLockTable(tableStats, false /*clear*/);
        }
        
        return new LockStats(stats.cloneGroup(config.getClear()),
                             latchStats.cloneGroup(config.getClear()),
                             tableStats.cloneGroup(config.getClear()));
    }

View Full Code Here

        StatsConfig statsConfig = new StatsConfig();


        /* Fast stats will not return NTotalLocks below. */
        statsConfig.setFast(false);


        LockStats lockStat = lockStat(statsConfig);
        if (lockStat.getNTotalLocks() != 0) {
            clean = false;
            System.err.println("Problem: " + lockStat.getNTotalLocks() +
                               " locks left");
            txnManager.getLockManager().dump();
        }


        TransactionStats txnStat = txnStat(statsConfig);

View Full Code Here


        StatsConfig clearStats = new StatsConfig();
        clearStats.setClear(true);


        /* Clear before inserting. */
        LockStats stats = env.getLockStats(clearStats);


        /* Insert key 1, which would lock key 2 while inserting. */
        insert(1);


        /* Expect a single lock was requested. */
        stats = env.getLockStats(clearStats);
        assertEquals(1, stats.getNRequests());


        closeEnv();
    }

View Full Code Here

     * Starts writer thread and waits for it to start the insert.
     */
    private void startInsert(final int keyVal, final int dataVal)
        throws DatabaseException, InterruptedException {


        LockStats origStats = env.getLockStats(null);
        insertFinished = false;


        writerThread = new JUnitThread("Writer") {
            public void testBody() 
                throws DatabaseException {
                DatabaseEntry key = new DatabaseEntry();
                DatabaseEntry data = new DatabaseEntry();
                OperationStatus status;
                IntegerBinding.intToEntry(keyVal, key);
                IntegerBinding.intToEntry(dataVal, data);
                Transaction writerTxn = env.beginTransaction(null, txnConfig);
                if (dups) {
                    status = db.putNoDupData(writerTxn, key, data);
                } else {
                    status = db.putNoOverwrite(writerTxn, key, data);
                }
                assertEquals(OperationStatus.SUCCESS, status);
                writerTxn.commitNoSync();
                insertFinished = true;
            }
        };


        writerThread.start();


        long startTime = System.currentTimeMillis();
        while (true) {


            /* Give some time to the writer thread. */
            Thread.yield();
            Thread.sleep(10);
            if (System.currentTimeMillis() - startTime > MAX_INSERT_MILLIS) {
                fail("Timeout doing insert");
            }


            if (txnSerializable) {


                /* Wait for the insert to block. */
                LockStats stats = env.getLockStats(null);
                if (stats.getNWaiters() > origStats.getNWaiters()) {
                    break;
                }
            } else {


                /* Wait for the operation to complete. */

View Full Code Here

        StatsConfig statsConfig = new StatsConfig();


        /* Fast stats will not return NTotalLocks below. */
        statsConfig.setFast(false);


        LockStats lockStat = lockStat(statsConfig);
        if (lockStat.getNTotalLocks() != 0) {
            clean = false;
            System.out.println("Problem: " + lockStat.getNTotalLocks() +
                               " locks left");
            txnManager.getLockManager().dump();
        } 


        TransactionStats txnStat = txnStat(statsConfig);

View Full Code Here

     * Statistics
     */
    public LockStats lockStat(StatsConfig config)
        throws DatabaseException {
                
        LockStats stats = new LockStats();
        stats.setNRequests(nRequests);
        stats.setNWaits(nWaits);
        if (config.getClear()) {
            nWaits = 0;
            nRequests = 0;
        }


        LatchStats latchStats =(LatchStats) lockTableLatch.getLatchStats();
        stats.setLockTableLatchStats(latchStats);


        /* Dump info about the lock table. */
        if (!config.getFast()) {
            dumpLockTable(stats);
        }

View Full Code Here

    }


    private void checkHeldLocks(Locker txn, int numReadLocks, int numWriteLocks)
        throws DatabaseException {


        LockStats stat = txn.collectStats(new LockStats());
        assertEquals(numReadLocks, stat.getNReadLocks());
        assertEquals(numWriteLocks, stat.getNWriteLocks());
    }

View Full Code Here

                e.printStackTrace();
                fail("Should not get another kind of exception");
            }


            txnA.abort();
            LockStats stats = env.getLockStats(TestUtils.FAST_STATS);
            assertEquals(2, stats.getNWaits());


        } catch (Throwable t) {


            /*
             * Print stack trace before trying to clean up je files in

View Full Code Here

           foundKeyString +
           ")");
        }
    }


                LockStats stat =
                    DbTestProxy.dbcGetCursorImpl(cursor).getLockStats();
                assertEquals(1, stat.getNReadLocks());
                assertEquals(0, stat.getNWriteLocks());
                perData(foundKeyString, foundDataString);
                nEntries++;
    status = getData(foundKey, foundData);
    if (status != OperationStatus.SUCCESS) {
        nHandleEndOfSet++;

View Full Code Here

     * For unit tests
     */
    public LockStats getLockStats() 
        throws DatabaseException {


        return locker.collectStats(new LockStats());
    }

View Full Code Here

0 1

TOP

Related Classes of com.sleepycat.je.LockStats

com.sleepycat.je.dbi.CursorImpl

com.sleepycat.je.dbi.DbCursorTestBase$DataWalker

com.sleepycat.je.dbi.EnvironmentImpl

com.sleepycat.je.test.PhantomRestartTest

com.sleepycat.je.test.PhantomTest

com.sleepycat.je.txn.CursorTxnTest

com.sleepycat.je.txn.LockManager

com.sleepycat.je.txn.TxnTest

com.sleepycat.je.txn.TxnTimeoutTest

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.