Examples with LockRequest org.apache.hadoop.hive.metastore.api.LockRequest used on opensource projects

Example 76 with LockRequest

use of org.apache.hadoop.hive.metastore.api.LockRequest in project hive by apache.

the class TestTxnHandler method testLockDifferentTables.

@Test
public void testLockDifferentTables() throws Exception {
    // Test that two different tables don't collide on their locks
    LockComponent comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
    comp.setOperationType(DataOperationType.NO_TXN);
    comp.setTablename("mytable");
    List<LockComponent> components = new ArrayList<LockComponent>(1);
    components.add(comp);
    LockRequest req = new LockRequest(components, "me", "localhost");
    LockResponse res = txnHandler.lock(req);
    assertTrue(res.getState() == LockState.ACQUIRED);
    comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
    comp.setOperationType(DataOperationType.NO_TXN);
    comp.setTablename("yourtable");
    components.clear();
    components.add(comp);
    req = new LockRequest(components, "me", "localhost");
    res = txnHandler.lock(req);
    assertTrue(res.getState() == LockState.ACQUIRED);
}

Example 77 with LockRequest

use of org.apache.hadoop.hive.metastore.api.LockRequest in project hive by apache.

the class TestCleaner method notBlockedBySubsequentLock.

@Test
public void notBlockedBySubsequentLock() throws Exception {
    Table t = newTable("default", "bblt", false);
    // Set the run frequency low on this test so it doesn't take long
    conf.setTimeVar(HiveConf.ConfVars.HIVE_COMPACTOR_CLEANER_RUN_INTERVAL, 100, TimeUnit.MILLISECONDS);
    addBaseFile(t, null, 20L, 20);
    addDeltaFile(t, null, 21L, 22L, 2);
    addDeltaFile(t, null, 23L, 24L, 2);
    addDeltaFile(t, null, 21L, 24L, 4);
    burnThroughTransactions(25);
    CompactionRequest rqst = new CompactionRequest("default", "bblt", CompactionType.MINOR);
    txnHandler.compact(rqst);
    CompactionInfo ci = txnHandler.findNextToCompact("fred");
    txnHandler.markCompacted(ci);
    txnHandler.setRunAs(ci.id, System.getProperty("user.name"));
    LockComponent comp = new LockComponent(LockType.SHARED_READ, LockLevel.TABLE, "default");
    comp.setTablename("bblt");
    comp.setOperationType(DataOperationType.INSERT);
    List<LockComponent> components = new ArrayList<LockComponent>(1);
    components.add(comp);
    LockRequest req = new LockRequest(components, "me", "localhost");
    LockResponse res = txnHandler.lock(req);
    AtomicBoolean looped = new AtomicBoolean();
    looped.set(false);
    startCleaner(looped);
    // Make sure the compactor has a chance to run once
    while (!looped.get()) {
        Thread.currentThread().sleep(100);
    }
    // There should still be one request, as the locks still held.
    ShowCompactResponse rsp = txnHandler.showCompact(new ShowCompactRequest());
    List<ShowCompactResponseElement> compacts = rsp.getCompacts();
    Assert.assertEquals(1, compacts.size());
    // obtain a second lock.  This shouldn't block cleaner as it was acquired after the initial
    // clean request
    LockComponent comp2 = new LockComponent(LockType.SHARED_READ, LockLevel.TABLE, "default");
    comp2.setTablename("bblt");
    comp.setOperationType(DataOperationType.SELECT);
    List<LockComponent> components2 = new ArrayList<LockComponent>(1);
    components2.add(comp2);
    LockRequest req2 = new LockRequest(components, "me", "localhost");
    LockResponse res2 = txnHandler.lock(req2);
    // Unlock the previous lock
    txnHandler.unlock(new UnlockRequest(res.getLockid()));
    looped.set(false);
    while (!looped.get()) {
        Thread.currentThread().sleep(100);
    }
    stopThread();
    Thread.currentThread().sleep(200);
    // Check there are no compactions requests left.
    rsp = txnHandler.showCompact(new ShowCompactRequest());
    compacts = rsp.getCompacts();
    Assert.assertEquals(1, compacts.size());
    Assert.assertTrue(TxnStore.SUCCEEDED_RESPONSE.equals(rsp.getCompacts().get(0).getState()));
}

Example 78 with LockRequest

use of org.apache.hadoop.hive.metastore.api.LockRequest in project hive by apache.

the class TestCleaner method partitionNotBlockedBySubsequentLock.

@Test
public void partitionNotBlockedBySubsequentLock() throws Exception {
    Table t = newTable("default", "bblt", true);
    Partition p = newPartition(t, "today");
    // Set the run frequency low on this test so it doesn't take long
    conf.setTimeVar(HiveConf.ConfVars.HIVE_COMPACTOR_CLEANER_RUN_INTERVAL, 100, TimeUnit.MILLISECONDS);
    addBaseFile(t, p, 20L, 20);
    addDeltaFile(t, p, 21L, 22L, 2);
    addDeltaFile(t, p, 23L, 24L, 2);
    addDeltaFile(t, p, 21L, 24L, 4);
    burnThroughTransactions(25);
    CompactionRequest rqst = new CompactionRequest("default", "bblt", CompactionType.MINOR);
    rqst.setPartitionname("ds=today");
    txnHandler.compact(rqst);
    CompactionInfo ci = txnHandler.findNextToCompact("fred");
    txnHandler.markCompacted(ci);
    txnHandler.setRunAs(ci.id, System.getProperty("user.name"));
    LockComponent comp = new LockComponent(LockType.SHARED_READ, LockLevel.PARTITION, "default");
    comp.setTablename("bblt");
    comp.setPartitionname("ds=today");
    comp.setOperationType(DataOperationType.INSERT);
    List<LockComponent> components = new ArrayList<LockComponent>(1);
    components.add(comp);
    LockRequest req = new LockRequest(components, "me", "localhost");
    LockResponse res = txnHandler.lock(req);
    AtomicBoolean looped = new AtomicBoolean();
    looped.set(false);
    startCleaner(looped);
    // Make sure the compactor has a chance to run once
    while (!looped.get()) {
        Thread.currentThread().sleep(100);
    }
    // There should still be one request, as the locks still held.
    ShowCompactResponse rsp = txnHandler.showCompact(new ShowCompactRequest());
    List<ShowCompactResponseElement> compacts = rsp.getCompacts();
    Assert.assertEquals(1, compacts.size());
    // obtain a second lock.  This shouldn't block cleaner as it was acquired after the initial
    // clean request
    LockComponent comp2 = new LockComponent(LockType.SHARED_READ, LockLevel.PARTITION, "default");
    comp2.setTablename("bblt");
    comp2.setPartitionname("ds=today");
    comp.setOperationType(DataOperationType.SELECT);
    List<LockComponent> components2 = new ArrayList<LockComponent>(1);
    components2.add(comp2);
    LockRequest req2 = new LockRequest(components, "me", "localhost");
    LockResponse res2 = txnHandler.lock(req2);
    // Unlock the previous lock
    txnHandler.unlock(new UnlockRequest(res.getLockid()));
    looped.set(false);
    while (!looped.get()) {
        Thread.currentThread().sleep(100);
    }
    stopThread();
    Thread.currentThread().sleep(200);
    // Check there are no compactions requests left.
    rsp = txnHandler.showCompact(new ShowCompactRequest());
    compacts = rsp.getCompacts();
    Assert.assertEquals(1, compacts.size());
    Assert.assertTrue(TxnStore.SUCCEEDED_RESPONSE.equals(rsp.getCompacts().get(0).getState()));
}

Example 79 with LockRequest

use of org.apache.hadoop.hive.metastore.api.LockRequest in project hive by apache.

the class TestCleaner method blockedByLockPartition.

@Test
public void blockedByLockPartition() throws Exception {
    Table t = newTable("default", "bblp", true);
    Partition p = newPartition(t, "today");
    addBaseFile(t, p, 20L, 20);
    addDeltaFile(t, p, 21L, 22L, 2);
    addDeltaFile(t, p, 23L, 24L, 2);
    addDeltaFile(t, p, 21L, 24L, 4);
    burnThroughTransactions(25);
    CompactionRequest rqst = new CompactionRequest("default", "bblp", CompactionType.MINOR);
    rqst.setPartitionname("ds=today");
    txnHandler.compact(rqst);
    CompactionInfo ci = txnHandler.findNextToCompact("fred");
    txnHandler.markCompacted(ci);
    txnHandler.setRunAs(ci.id, System.getProperty("user.name"));
    LockComponent comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.PARTITION, "default");
    comp.setTablename("bblp");
    comp.setPartitionname("ds=today");
    comp.setOperationType(DataOperationType.DELETE);
    List<LockComponent> components = new ArrayList<LockComponent>(1);
    components.add(comp);
    LockRequest req = new LockRequest(components, "me", "localhost");
    OpenTxnsResponse resp = txnHandler.openTxns(new OpenTxnRequest(1, "Dracula", "Transylvania"));
    req.setTxnid(resp.getTxn_ids().get(0));
    LockResponse res = txnHandler.lock(req);
    startCleaner();
    // Check there are no compactions requests left.
    ShowCompactResponse rsp = txnHandler.showCompact(new ShowCompactRequest());
    List<ShowCompactResponseElement> compacts = rsp.getCompacts();
    Assert.assertEquals(1, compacts.size());
    Assert.assertEquals("ready for cleaning", compacts.get(0).getState());
    Assert.assertEquals("bblp", compacts.get(0).getTablename());
    Assert.assertEquals("ds=today", compacts.get(0).getPartitionname());
    Assert.assertEquals(CompactionType.MINOR, compacts.get(0).getType());
}

Example 80 with LockRequest

use of org.apache.hadoop.hive.metastore.api.LockRequest in project hive by apache.

the class TestCleaner method blockedByLockTable.

@Test
public void blockedByLockTable() throws Exception {
    Table t = newTable("default", "bblt", false);
    addBaseFile(t, null, 20L, 20);
    addDeltaFile(t, null, 21L, 22L, 2);
    addDeltaFile(t, null, 23L, 24L, 2);
    addDeltaFile(t, null, 21L, 24L, 4);
    burnThroughTransactions(25);
    CompactionRequest rqst = new CompactionRequest("default", "bblt", CompactionType.MINOR);
    txnHandler.compact(rqst);
    CompactionInfo ci = txnHandler.findNextToCompact("fred");
    txnHandler.markCompacted(ci);
    txnHandler.setRunAs(ci.id, System.getProperty("user.name"));
    LockComponent comp = new LockComponent(LockType.SHARED_READ, LockLevel.TABLE, "default");
    comp.setTablename("bblt");
    comp.setOperationType(DataOperationType.SELECT);
    List<LockComponent> components = new ArrayList<LockComponent>(1);
    components.add(comp);
    LockRequest req = new LockRequest(components, "me", "localhost");
    LockResponse res = txnHandler.lock(req);
    startCleaner();
    // Check there are no compactions requests left.
    ShowCompactResponse rsp = txnHandler.showCompact(new ShowCompactRequest());
    List<ShowCompactResponseElement> compacts = rsp.getCompacts();
    Assert.assertEquals(1, compacts.size());
    Assert.assertEquals("ready for cleaning", compacts.get(0).getState());
    Assert.assertEquals("bblt", compacts.get(0).getTablename());
    Assert.assertEquals(CompactionType.MINOR, compacts.get(0).getType());
}