@Test public void cleanEmptyAbortedTxns() throws Exception { // Test that we are cleaning aborted transactions with no components left in txn_components. // Put one aborted transaction with an entry in txn_components to make sure we don't // accidently clean it too. Table t = newTable("default", "ceat", false); long txnid = openTxn(); LockComponent comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.TABLE, "default"); comp.setTablename("ceat"); List<LockComponent> components = new ArrayList<LockComponent>(1); components.add(comp); LockRequest req = new LockRequest(components, "me", "localhost"); req.setTxnid(txnid); LockResponse res = txnHandler.lock(req); txnHandler.abortTxn(new AbortTxnRequest(txnid)); for (int i = 0; i < 100; i++) { txnid = openTxn(); txnHandler.abortTxn(new AbortTxnRequest(txnid)); } GetOpenTxnsResponse openTxns = txnHandler.getOpenTxns(); Assert.assertEquals(101, openTxns.getOpen_txnsSize()); startInitiator(); openTxns = txnHandler.getOpenTxns(); Assert.assertEquals(1, openTxns.getOpen_txnsSize()); }
@Test public void testMarkCleanedCleansTxnsAndTxnComponents() throws Exception { long txnid = openTxn(); LockComponent comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb"); comp.setTablename("mytable"); comp.setOperationType(DataOperationType.INSERT); List<LockComponent> components = new ArrayList<LockComponent>(1); components.add(comp); LockRequest req = new LockRequest(components, "me", "localhost"); req.setTxnid(txnid); LockResponse res = txnHandler.lock(req); assertTrue(res.getState() == LockState.ACQUIRED); txnHandler.abortTxn(new AbortTxnRequest(txnid)); txnid = openTxn(); comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb"); comp.setTablename("yourtable"); comp.setOperationType(DataOperationType.DELETE); components = new ArrayList<LockComponent>(1); components.add(comp); req = new LockRequest(components, "me", "localhost"); req.setTxnid(txnid); res = txnHandler.lock(req); assertTrue(res.getState() == LockState.ACQUIRED); txnHandler.abortTxn(new AbortTxnRequest(txnid)); txnid = openTxn(); comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb"); comp.setTablename("foo"); comp.setPartitionname("bar"); comp.setOperationType(DataOperationType.UPDATE); components = new ArrayList<LockComponent>(1); components.add(comp); req = new LockRequest(components, "me", "localhost"); req.setTxnid(txnid); res = txnHandler.lock(req); assertTrue(res.getState() == LockState.ACQUIRED); comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb"); comp.setTablename("foo"); comp.setPartitionname("baz"); comp.setOperationType(DataOperationType.UPDATE); components = new ArrayList<LockComponent>(1); components.add(comp); req = new LockRequest(components, "me", "localhost"); req.setTxnid(txnid); res = txnHandler.lock(req); assertTrue(res.getState() == LockState.ACQUIRED); txnHandler.abortTxn(new AbortTxnRequest(txnid)); CompactionInfo ci = new CompactionInfo(); // Now clean them and check that they are removed from the count. CompactionRequest rqst = new CompactionRequest("mydb", "mytable", CompactionType.MAJOR); txnHandler.compact(rqst); assertEquals(0, txnHandler.findReadyToClean().size()); ci = txnHandler.findNextToCompact("fred"); assertNotNull(ci); txnHandler.markCompacted(ci); List<CompactionInfo> toClean = txnHandler.findReadyToClean(); assertEquals(1, toClean.size()); txnHandler.markCleaned(ci); // Check that we are cleaning up the empty aborted transactions GetOpenTxnsResponse txnList = txnHandler.getOpenTxns(); assertEquals(3, txnList.getOpen_txnsSize()); txnHandler.cleanEmptyAbortedTxns(); txnList = txnHandler.getOpenTxns(); assertEquals(2, txnList.getOpen_txnsSize()); rqst = new CompactionRequest("mydb", "foo", CompactionType.MAJOR); rqst.setPartitionname("bar"); txnHandler.compact(rqst); assertEquals(0, txnHandler.findReadyToClean().size()); ci = txnHandler.findNextToCompact("fred"); assertNotNull(ci); txnHandler.markCompacted(ci); toClean = txnHandler.findReadyToClean(); assertEquals(1, toClean.size()); txnHandler.markCleaned(ci); txnHandler.openTxns(new OpenTxnRequest(1, "me", "localhost")); txnHandler.cleanEmptyAbortedTxns(); txnList = txnHandler.getOpenTxns(); assertEquals(3, txnList.getOpen_txnsSize()); }