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Example 1 with LockComponent

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

the class TestTxnHandler method testLockESRSW.

@Test
public void testLockESRSW() throws Exception {
    // Test that exclusive lock blocks read and write
    LockComponent comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
    comp.setTablename("mytable");
    comp.setPartitionname("mypartition");
    comp.setOperationType(DataOperationType.NO_TXN);
    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.SHARED_READ, LockLevel.DB, "mydb");
    comp.setTablename("mytable");
    comp.setPartitionname("mypartition");
    comp.setOperationType(DataOperationType.SELECT);
    components.clear();
    components.add(comp);
    req = new LockRequest(components, "me", "localhost");
    res = txnHandler.lock(req);
    assertTrue(res.getState() == LockState.WAITING);
    comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
    comp.setTablename("mytable");
    comp.setPartitionname("mypartition");
    comp.setOperationType(DataOperationType.UPDATE);
    components.clear();
    components.add(comp);
    req = new LockRequest(components, "me", "localhost");
    req.setTxnid(openTxn());
    res = txnHandler.lock(req);
    assertTrue(res.getState() == LockState.WAITING);
}
Also used : LockComponent(org.apache.hadoop.hive.metastore.api.LockComponent) LockResponse(org.apache.hadoop.hive.metastore.api.LockResponse) ArrayList(java.util.ArrayList) LockRequest(org.apache.hadoop.hive.metastore.api.LockRequest) CheckLockRequest(org.apache.hadoop.hive.metastore.api.CheckLockRequest) Test(org.junit.Test)

Example 2 with LockComponent

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

the class TestCompactionTxnHandler method testFindPotentialCompactions.

@Test
public void testFindPotentialCompactions() throws Exception {
    // Test that committing unlocks
    long txnid = openTxn();
    LockComponent comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
    comp.setTablename("mytable");
    comp.setOperationType(DataOperationType.UPDATE);
    List<LockComponent> components = new ArrayList<LockComponent>(1);
    components.add(comp);
    comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
    comp.setTablename("yourtable");
    comp.setPartitionname("mypartition");
    comp.setOperationType(DataOperationType.UPDATE);
    components.add(comp);
    LockRequest req = new LockRequest(components, "me", "localhost");
    req.setTxnid(txnid);
    LockResponse res = txnHandler.lock(req);
    assertTrue(res.getState() == LockState.ACQUIRED);
    txnHandler.commitTxn(new CommitTxnRequest(txnid));
    assertEquals(0, txnHandler.numLocksInLockTable());
    Set<CompactionInfo> potentials = txnHandler.findPotentialCompactions(100);
    assertEquals(2, potentials.size());
    boolean sawMyTable = false, sawYourTable = false;
    for (CompactionInfo ci : potentials) {
        sawMyTable |= (ci.dbname.equals("mydb") && ci.tableName.equals("mytable") && ci.partName == null);
        sawYourTable |= (ci.dbname.equals("mydb") && ci.tableName.equals("yourtable") && ci.partName.equals("mypartition"));
    }
    assertTrue(sawMyTable);
    assertTrue(sawYourTable);
}
Also used : CommitTxnRequest(org.apache.hadoop.hive.metastore.api.CommitTxnRequest) LockComponent(org.apache.hadoop.hive.metastore.api.LockComponent) LockResponse(org.apache.hadoop.hive.metastore.api.LockResponse) ArrayList(java.util.ArrayList) LockRequest(org.apache.hadoop.hive.metastore.api.LockRequest) Test(org.junit.Test)

Example 3 with LockComponent

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

the class TestTxnHandler method testLockDifferentDBs.

@Test
public void testLockDifferentDBs() throws Exception {
    // Test that two different databases don't collide on their locks
    LockComponent comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
    comp.setOperationType(DataOperationType.NO_TXN);
    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, "yourdb");
    comp.setOperationType(DataOperationType.NO_TXN);
    components.clear();
    components.add(comp);
    req = new LockRequest(components, "me", "localhost");
    res = txnHandler.lock(req);
    assertTrue(res.getState() == LockState.ACQUIRED);
}
Also used : LockComponent(org.apache.hadoop.hive.metastore.api.LockComponent) LockResponse(org.apache.hadoop.hive.metastore.api.LockResponse) ArrayList(java.util.ArrayList) LockRequest(org.apache.hadoop.hive.metastore.api.LockRequest) CheckLockRequest(org.apache.hadoop.hive.metastore.api.CheckLockRequest) Test(org.junit.Test)

Example 4 with LockComponent

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

the class TestTxnHandler method testLockTimeout.

@Test
public void testLockTimeout() throws Exception {
    long timeout = txnHandler.setTimeout(1);
    try {
        LockComponent comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
        comp.setTablename("mytable");
        comp.setPartitionname("mypartition");
        comp.setOperationType(DataOperationType.NO_TXN);
        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);
        Thread.sleep(10);
        txnHandler.performTimeOuts();
        txnHandler.checkLock(new CheckLockRequest(res.getLockid()));
        fail("Told there was a lock, when it should have timed out.");
    } catch (NoSuchLockException e) {
    } finally {
        txnHandler.setTimeout(timeout);
    }
}
Also used : NoSuchLockException(org.apache.hadoop.hive.metastore.api.NoSuchLockException) LockComponent(org.apache.hadoop.hive.metastore.api.LockComponent) LockResponse(org.apache.hadoop.hive.metastore.api.LockResponse) ArrayList(java.util.ArrayList) CheckLockRequest(org.apache.hadoop.hive.metastore.api.CheckLockRequest) LockRequest(org.apache.hadoop.hive.metastore.api.LockRequest) CheckLockRequest(org.apache.hadoop.hive.metastore.api.CheckLockRequest) Test(org.junit.Test)

Example 5 with LockComponent

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

the class TestTxnHandler method testLockSWSWSR.

@Test
public void testLockSWSWSR() throws Exception {
    // Test that write blocks write but read can still acquire
    LockComponent comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
    comp.setTablename("mytable");
    comp.setPartitionname("mypartition");
    comp.setOperationType(DataOperationType.UPDATE);
    List<LockComponent> components = new ArrayList<LockComponent>(1);
    components.add(comp);
    LockRequest req = new LockRequest(components, "me", "localhost");
    req.setTxnid(openTxn());
    LockResponse res = txnHandler.lock(req);
    assertTrue(res.getState() == LockState.ACQUIRED);
    comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
    comp.setTablename("mytable");
    comp.setPartitionname("mypartition");
    comp.setOperationType(DataOperationType.DELETE);
    components.clear();
    components.add(comp);
    req = new LockRequest(components, "me", "localhost");
    req.setTxnid(openTxn());
    res = txnHandler.lock(req);
    assertTrue(res.getState() == LockState.WAITING);
    comp = new LockComponent(LockType.SHARED_READ, LockLevel.DB, "mydb");
    comp.setTablename("mytable");
    comp.setPartitionname("mypartition");
    comp.setOperationType(DataOperationType.INSERT);
    components.clear();
    components.add(comp);
    req = new LockRequest(components, "me", "localhost");
    res = txnHandler.lock(req);
    assertTrue(res.getState() == LockState.ACQUIRED);
}
Also used : LockComponent(org.apache.hadoop.hive.metastore.api.LockComponent) LockResponse(org.apache.hadoop.hive.metastore.api.LockResponse) ArrayList(java.util.ArrayList) LockRequest(org.apache.hadoop.hive.metastore.api.LockRequest) CheckLockRequest(org.apache.hadoop.hive.metastore.api.CheckLockRequest) Test(org.junit.Test)

Aggregations

LockComponent (org.apache.hadoop.hive.metastore.api.LockComponent)97 LockRequest (org.apache.hadoop.hive.metastore.api.LockRequest)96 Test (org.junit.Test)93 LockResponse (org.apache.hadoop.hive.metastore.api.LockResponse)60 ArrayList (java.util.ArrayList)58 MetastoreUnitTest (org.apache.hadoop.hive.metastore.annotation.MetastoreUnitTest)33 CheckLockRequest (org.apache.hadoop.hive.metastore.api.CheckLockRequest)33 Table (org.apache.hadoop.hive.metastore.api.Table)25 ShowCompactRequest (org.apache.hadoop.hive.metastore.api.ShowCompactRequest)22 ShowCompactResponse (org.apache.hadoop.hive.metastore.api.ShowCompactResponse)22 ShowCompactResponseElement (org.apache.hadoop.hive.metastore.api.ShowCompactResponseElement)17 CommitTxnRequest (org.apache.hadoop.hive.metastore.api.CommitTxnRequest)15 AbortTxnRequest (org.apache.hadoop.hive.metastore.api.AbortTxnRequest)11 Partition (org.apache.hadoop.hive.metastore.api.Partition)11 UnlockRequest (org.apache.hadoop.hive.metastore.api.UnlockRequest)6 CompactionRequest (org.apache.hadoop.hive.metastore.api.CompactionRequest)5 NoSuchLockException (org.apache.hadoop.hive.metastore.api.NoSuchLockException)4 OpenTxnRequest (org.apache.hadoop.hive.metastore.api.OpenTxnRequest)4 CompactionInfo (org.apache.hadoop.hive.metastore.txn.CompactionInfo)4 GetOpenTxnsResponse (org.apache.hadoop.hive.metastore.api.GetOpenTxnsResponse)3