@Test
public void testFindNextToCompact() throws Exception {
CompactionRequest rqst = new CompactionRequest("foo", "bar", CompactionType.MINOR);
rqst.setPartitionname("ds=today");
txnHandler.compact(rqst);
long now = System.currentTimeMillis();
CompactionInfo ci = txnHandler.findNextToCompact("fred");
assertNotNull(ci);
assertEquals("foo", ci.dbname);
assertEquals("bar", ci.tableName);
assertEquals("ds=today", ci.partName);
assertEquals(CompactionType.MINOR, ci.type);
assertNull(ci.runAs);
assertNull(txnHandler.findNextToCompact("fred"));
txnHandler.setRunAs(ci.id, "bob");
ShowCompactResponse rsp = txnHandler.showCompact(new ShowCompactRequest());
List<ShowCompactResponseElement> compacts = rsp.getCompacts();
assertEquals(1, compacts.size());
ShowCompactResponseElement c = compacts.get(0);
assertEquals("foo", c.getDbname());
assertEquals("bar", c.getTablename());
assertEquals("ds=today", c.getPartitionname());
assertEquals(CompactionType.MINOR, c.getType());
assertEquals("working", c.getState());
assertTrue(c.getStart() - 5000 < now && c.getStart() + 5000 > now);
assertEquals("fred", c.getWorkerid());
assertEquals("bob", c.getRunAs());
}
@Test
public void testRevokeFromLocalWorkers() throws Exception {
CompactionRequest rqst = new CompactionRequest("foo", "bar", CompactionType.MINOR);
txnHandler.compact(rqst);
rqst = new CompactionRequest("foo", "baz", CompactionType.MINOR);
txnHandler.compact(rqst);
rqst = new CompactionRequest("foo", "bazzoo", CompactionType.MINOR);
txnHandler.compact(rqst);
assertNotNull(txnHandler.findNextToCompact("fred-193892"));
assertNotNull(txnHandler.findNextToCompact("bob-193892"));
assertNotNull(txnHandler.findNextToCompact("fred-193893"));
txnHandler.revokeFromLocalWorkers("fred");
ShowCompactResponse rsp = txnHandler.showCompact(new ShowCompactRequest());
List<ShowCompactResponseElement> compacts = rsp.getCompacts();
assertEquals(3, compacts.size());
boolean sawWorkingBob = false;
int initiatedCount = 0;
for (ShowCompactResponseElement c : compacts) {
if (c.getState().equals("working")) {
assertEquals("bob-193892", c.getWorkerid());
sawWorkingBob = true;
} else if (c.getState().equals("initiated")) {
initiatedCount++;
} else {
fail("Unexpected state");
}
}
assertTrue(sawWorkingBob);
assertEquals(2, initiatedCount);
}
@Test
public void testFindNextToClean() throws Exception {
CompactionRequest rqst = new CompactionRequest("foo", "bar", CompactionType.MINOR);
rqst.setPartitionname("ds=today");
txnHandler.compact(rqst);
assertEquals(0, txnHandler.findReadyToClean().size());
CompactionInfo ci = txnHandler.findNextToCompact("fred");
assertNotNull(ci);
assertEquals(0, txnHandler.findReadyToClean().size());
txnHandler.markCompacted(ci);
assertNull(txnHandler.findNextToCompact("fred"));
List<CompactionInfo> toClean = txnHandler.findReadyToClean();
assertEquals(1, toClean.size());
assertNull(txnHandler.findNextToCompact("fred"));
ShowCompactResponse rsp = txnHandler.showCompact(new ShowCompactRequest());
List<ShowCompactResponseElement> compacts = rsp.getCompacts();
assertEquals(1, compacts.size());
ShowCompactResponseElement c = compacts.get(0);
assertEquals("foo", c.getDbname());
assertEquals("bar", c.getTablename());
assertEquals("ds=today", c.getPartitionname());
assertEquals(CompactionType.MINOR, c.getType());
assertEquals("ready for cleaning", c.getState());
assertNull(c.getWorkerid());
}
@Test
public void dropPartition() throws Exception {
Table t = newTable("default", "dp", true);
Partition p = newPartition(t, "today");
addBaseFile(t, p, 20L, 20);
addDeltaFile(t, p, 21L, 22L, 2);
addDeltaFile(t, p, 23L, 24L, 2);
burnThroughTransactions(23);
long txnid = openTxn();
LockComponent comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.PARTITION, "default");
comp.setTablename("dp");
comp.setPartitionname("ds=today");
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.commitTxn(new CommitTxnRequest(txnid));
ms.dropPartition("default", "dp", Collections.singletonList("today"), true);
startInitiator();
ShowCompactResponse rsp = txnHandler.showCompact(new ShowCompactRequest());
List<ShowCompactResponseElement> compacts = rsp.getCompacts();
Assert.assertEquals(0, compacts.size());
}
@Test
public void majorCompactOnTableTooManyAborts() throws Exception {
Table t = newTable("default", "mcottma", false);
HiveConf.setIntVar(conf, HiveConf.ConfVars.HIVE_COMPACTOR_ABORTEDTXN_THRESHOLD, 10);
for (int i = 0; i < 11; i++) {
long txnid = openTxn();
LockComponent comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.TABLE, "default");
comp.setTablename("mcottma");
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));
}
startInitiator();
ShowCompactResponse rsp = txnHandler.showCompact(new ShowCompactRequest());
List<ShowCompactResponseElement> compacts = rsp.getCompacts();
Assert.assertEquals(1, compacts.size());
Assert.assertEquals("initiated", compacts.get(0).getState());
Assert.assertEquals("mcottma", compacts.get(0).getTablename());
Assert.assertEquals(CompactionType.MAJOR, compacts.get(0).getType());
}
@Test
public void recoverFailedLocalWorkers() throws Exception {
Table t = newTable("default", "rflw1", false);
CompactionRequest rqst = new CompactionRequest("default", "rflw1", CompactionType.MINOR);
txnHandler.compact(rqst);
t = newTable("default", "rflw2", false);
rqst = new CompactionRequest("default", "rflw2", CompactionType.MINOR);
txnHandler.compact(rqst);
txnHandler.findNextToCompact(Worker.hostname() + "-193892");
txnHandler.findNextToCompact("nosuchhost-193892");
startInitiator();
ShowCompactResponse rsp = txnHandler.showCompact(new ShowCompactRequest());
List<ShowCompactResponseElement> compacts = rsp.getCompacts();
Assert.assertEquals(2, compacts.size());
boolean sawInitiated = false;
for (ShowCompactResponseElement c : compacts) {
if (c.getState().equals("working")) {
Assert.assertEquals("nosuchhost-193892", c.getWorkerid());
} else if (c.getState().equals("initiated")) {
sawInitiated = true;
} else {
Assert.fail("Unexpected state");
}
}
Assert.assertTrue(sawInitiated);
}
@Test
public void compactTableHighDeltaPct() throws Exception {
Table t = newTable("default", "cthdp", false);
addBaseFile(t, null, 20L, 20);
addDeltaFile(t, null, 21L, 22L, 2);
addDeltaFile(t, null, 23L, 24L, 2);
burnThroughTransactions(23);
long txnid = openTxn();
LockComponent comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.TABLE, "default");
comp.setTablename("cthdp");
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.commitTxn(new CommitTxnRequest(txnid));
startInitiator();
ShowCompactResponse rsp = txnHandler.showCompact(new ShowCompactRequest());
List<ShowCompactResponseElement> compacts = rsp.getCompacts();
Assert.assertEquals(1, compacts.size());
Assert.assertEquals("initiated", compacts.get(0).getState());
Assert.assertEquals("cthdp", compacts.get(0).getTablename());
Assert.assertEquals(CompactionType.MAJOR, compacts.get(0).getType());
}
@Test
public void recoverFailedRemoteWorkers() throws Exception {
Table t = newTable("default", "rfrw1", false);
CompactionRequest rqst = new CompactionRequest("default", "rfrw1", CompactionType.MINOR);
txnHandler.compact(rqst);
txnHandler.findNextToCompact("nosuchhost-193892");
conf.setTimeVar(HiveConf.ConfVars.HIVE_COMPACTOR_WORKER_TIMEOUT, 1L, TimeUnit.MILLISECONDS);
startInitiator();
ShowCompactResponse rsp = txnHandler.showCompact(new ShowCompactRequest());
List<ShowCompactResponseElement> compacts = rsp.getCompacts();
Assert.assertEquals(1, compacts.size());
Assert.assertEquals("initiated", compacts.get(0).getState());
}
@Test
public void twoTxnsOnSamePartitionGenerateOneCompactionRequest() throws Exception {
Table t = newTable("default", "ttospgocr", true);
Partition p = newPartition(t, "today");
addBaseFile(t, p, 20L, 20);
addDeltaFile(t, p, 21L, 22L, 2);
addDeltaFile(t, p, 23L, 24L, 2);
burnThroughTransactions(23);
long txnid = openTxn();
LockComponent comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.PARTITION, "default");
comp.setTablename("ttospgocr");
comp.setPartitionname("ds=today");
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.commitTxn(new CommitTxnRequest(txnid));
txnid = openTxn();
comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.PARTITION, "default");
comp.setTablename("ttospgocr");
comp.setPartitionname("ds=today");
components = new ArrayList<LockComponent>(1);
components.add(comp);
req = new LockRequest(components, "me", "localhost");
req.setTxnid(txnid);
res = txnHandler.lock(req);
txnHandler.commitTxn(new CommitTxnRequest(txnid));
startInitiator();
ShowCompactResponse rsp = txnHandler.showCompact(new ShowCompactRequest());
List<ShowCompactResponseElement> compacts = rsp.getCompacts();
Assert.assertEquals(1, compacts.size());
Assert.assertEquals("initiated", compacts.get(0).getState());
Assert.assertEquals("ttospgocr", compacts.get(0).getTablename());
Assert.assertEquals("ds=today", compacts.get(0).getPartitionname());
Assert.assertEquals(CompactionType.MAJOR, compacts.get(0).getType());
}
@Test
public void testFindNextToCompact2() throws Exception {
CompactionRequest rqst = new CompactionRequest("foo", "bar", CompactionType.MINOR);
rqst.setPartitionname("ds=today");
txnHandler.compact(rqst);
rqst = new CompactionRequest("foo", "bar", CompactionType.MINOR);
rqst.setPartitionname("ds=yesterday");
txnHandler.compact(rqst);
long now = System.currentTimeMillis();
boolean expectToday = false;
CompactionInfo ci = txnHandler.findNextToCompact("fred");
assertNotNull(ci);
assertEquals("foo", ci.dbname);
assertEquals("bar", ci.tableName);
if ("ds=today".equals(ci.partName)) expectToday = false;
else if ("ds=yesterday".equals(ci.partName)) expectToday = true;
else fail("partition name should have been today or yesterday but was " + ci.partName);
assertEquals(CompactionType.MINOR, ci.type);
ci = txnHandler.findNextToCompact("fred");
assertNotNull(ci);
assertEquals("foo", ci.dbname);
assertEquals("bar", ci.tableName);
if (expectToday) assertEquals("ds=today", ci.partName);
else assertEquals("ds=yesterday", ci.partName);
assertEquals(CompactionType.MINOR, ci.type);
assertNull(txnHandler.findNextToCompact("fred"));
ShowCompactResponse rsp = txnHandler.showCompact(new ShowCompactRequest());
List<ShowCompactResponseElement> compacts = rsp.getCompacts();
assertEquals(2, compacts.size());
for (ShowCompactResponseElement e : compacts) {
assertEquals("working", e.getState());
assertTrue(e.getStart() - 5000 < now && e.getStart() + 5000 > now);
assertEquals("fred", e.getWorkerid());
}
}
@Test
public void chooseMajorOverMinorWhenBothValid() throws Exception {
Table t = newTable("default", "cmomwbv", false);
addBaseFile(t, null, 200L, 200);
addDeltaFile(t, null, 201L, 211L, 11);
addDeltaFile(t, null, 212L, 222L, 11);
addDeltaFile(t, null, 223L, 233L, 11);
addDeltaFile(t, null, 234L, 244L, 11);
addDeltaFile(t, null, 245L, 255L, 11);
addDeltaFile(t, null, 256L, 266L, 11);
addDeltaFile(t, null, 267L, 277L, 11);
addDeltaFile(t, null, 278L, 288L, 11);
addDeltaFile(t, null, 289L, 299L, 11);
addDeltaFile(t, null, 300L, 310L, 11);
addDeltaFile(t, null, 311L, 321L, 11);
burnThroughTransactions(320);
long txnid = openTxn();
LockComponent comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.TABLE, "default");
comp.setTablename("cmomwbv");
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.commitTxn(new CommitTxnRequest(txnid));
startInitiator();
ShowCompactResponse rsp = txnHandler.showCompact(new ShowCompactRequest());
List<ShowCompactResponseElement> compacts = rsp.getCompacts();
Assert.assertEquals(1, compacts.size());
Assert.assertEquals("initiated", compacts.get(0).getState());
Assert.assertEquals("cmomwbv", compacts.get(0).getTablename());
Assert.assertEquals(CompactionType.MAJOR, compacts.get(0).getType());
}
@Test
public void testRevokeTimedOutWorkers() throws Exception {
CompactionRequest rqst = new CompactionRequest("foo", "bar", CompactionType.MINOR);
txnHandler.compact(rqst);
rqst = new CompactionRequest("foo", "baz", CompactionType.MINOR);
txnHandler.compact(rqst);
assertNotNull(txnHandler.findNextToCompact("fred-193892"));
Thread.sleep(200);
assertNotNull(txnHandler.findNextToCompact("fred-193892"));
txnHandler.revokeTimedoutWorkers(100);
ShowCompactResponse rsp = txnHandler.showCompact(new ShowCompactRequest());
List<ShowCompactResponseElement> compacts = rsp.getCompacts();
assertEquals(2, compacts.size());
boolean sawWorking = false, sawInitiated = false;
for (ShowCompactResponseElement c : compacts) {
if (c.getState().equals("working")) sawWorking = true;
else if (c.getState().equals("initiated")) sawInitiated = true;
else fail("Unexpected state");
}
assertTrue(sawWorking);
assertTrue(sawInitiated);
}
@Test
public void testMarkCleaned() throws Exception {
CompactionRequest rqst = new CompactionRequest("foo", "bar", CompactionType.MINOR);
rqst.setPartitionname("ds=today");
txnHandler.compact(rqst);
assertEquals(0, txnHandler.findReadyToClean().size());
CompactionInfo ci = txnHandler.findNextToCompact("fred");
assertNotNull(ci);
assertEquals(0, txnHandler.findReadyToClean().size());
txnHandler.markCompacted(ci);
assertNull(txnHandler.findNextToCompact("fred"));
List<CompactionInfo> toClean = txnHandler.findReadyToClean();
assertEquals(1, toClean.size());
assertNull(txnHandler.findNextToCompact("fred"));
txnHandler.markCleaned(ci);
assertNull(txnHandler.findNextToCompact("fred"));
assertEquals(0, txnHandler.findReadyToClean().size());
ShowCompactResponse rsp = txnHandler.showCompact(new ShowCompactRequest());
assertEquals(1, rsp.getCompactsSize());
assertTrue(TxnHandler.SUCCEEDED_RESPONSE.equals(rsp.getCompacts().get(0).getState()));
}