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

Example 76 with ShowCompactResponse

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

the class TestWorker method majorPartitionWithBase.

@Test
public void majorPartitionWithBase() throws Exception {
    LOG.debug("Starting majorPartitionWithBase");
    Table t = newTable("default", "mapwb", true);
    Partition p = newPartition(t, "today");
    addBaseFile(t, p, 20L, 20);
    addDeltaFile(t, p, 21L, 22L, 2);
    addDeltaFile(t, p, 23L, 24L, 2);
    burnThroughTransactions("default", "mapwb", 25);
    CompactionRequest rqst = new CompactionRequest("default", "mapwb", CompactionType.MAJOR);
    rqst.setPartitionname("ds=today");
    txnHandler.compact(rqst);
    startWorker();
    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());
    // There should still be four directories in the location.
    FileSystem fs = FileSystem.get(conf);
    FileStatus[] stat = fs.listStatus(new Path(p.getSd().getLocation()));
    Assert.assertEquals(4, stat.length);
    // Find the new delta file and make sure it has the right contents
    boolean sawNewBase = false;
    for (int i = 0; i < stat.length; i++) {
        if (stat[i].getPath().getName().equals("base_0000024")) {
            sawNewBase = true;
            FileStatus[] buckets = fs.listStatus(stat[i].getPath(), FileUtils.HIDDEN_FILES_PATH_FILTER);
            Assert.assertEquals(2, buckets.length);
            Assert.assertTrue(buckets[0].getPath().getName().matches("bucket_0000[01]"));
            Assert.assertTrue(buckets[1].getPath().getName().matches("bucket_0000[01]"));
            Assert.assertEquals(624L, buckets[0].getLen());
            Assert.assertEquals(624L, buckets[1].getLen());
        } else {
            LOG.debug("This is not the file you are looking for " + stat[i].getPath().getName());
        }
    }
    Assert.assertTrue(sawNewBase);
}

Example 77 with ShowCompactResponse

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

the class TestWorker method majorPartitionWithBaseMissingBuckets.

@Test
public void majorPartitionWithBaseMissingBuckets() throws Exception {
    LOG.debug("Starting majorPartitionWithBaseMissingBuckets");
    Table t = newTable("default", "mapwbmb", true);
    Partition p = newPartition(t, "today");
    addBaseFile(t, p, 20L, 20, 2, false);
    addDeltaFile(t, p, 21L, 22L, 2, 2, false);
    addDeltaFile(t, p, 23L, 26L, 4);
    burnThroughTransactions("default", "mapwbmb", 27);
    CompactionRequest rqst = new CompactionRequest("default", "mapwbmb", CompactionType.MAJOR);
    rqst.setPartitionname("ds=today");
    txnHandler.compact(rqst);
    startWorker();
    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());
    // There should still be four directories in the location.
    FileSystem fs = FileSystem.get(conf);
    FileStatus[] stat = fs.listStatus(new Path(p.getSd().getLocation()));
    Assert.assertEquals(4, stat.length);
    // Find the new delta file and make sure it has the right contents
    boolean sawNewBase = false;
    for (int i = 0; i < stat.length; i++) {
        if (stat[i].getPath().getName().equals("base_0000026")) {
            sawNewBase = true;
            FileStatus[] buckets = fs.listStatus(stat[i].getPath(), FileUtils.HIDDEN_FILES_PATH_FILTER);
            Assert.assertEquals(2, buckets.length);
            Assert.assertTrue(buckets[0].getPath().getName().matches("bucket_0000[01]"));
            Assert.assertTrue(buckets[1].getPath().getName().matches("bucket_0000[01]"));
            // Bucket 0 should be small and bucket 1 should be large, make sure that's the case
            Assert.assertTrue(("bucket_00000".equals(buckets[0].getPath().getName()) && 104L == buckets[0].getLen() && "bucket_00001".equals(buckets[1].getPath().getName()) && 676L == buckets[1].getLen()) || ("bucket_00000".equals(buckets[1].getPath().getName()) && 104L == buckets[1].getLen() && "bucket_00001".equals(buckets[0].getPath().getName()) && 676L == buckets[0].getLen()));
        } else {
            LOG.debug("This is not the file you are looking for " + stat[i].getPath().getName());
        }
    }
    Assert.assertTrue(sawNewBase);
}

Example 78 with ShowCompactResponse

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

the class TxnHandler method showCompact.

@RetrySemantics.ReadOnly
public ShowCompactResponse showCompact(ShowCompactRequest rqst) throws MetaException {
    ShowCompactResponse response = new ShowCompactResponse(new ArrayList<>());
    Connection dbConn = null;
    Statement stmt = null;
    try {
        try {
            dbConn = getDbConn(Connection.TRANSACTION_READ_COMMITTED);
            stmt = dbConn.createStatement();
            String s = "select cq_database, cq_table, cq_partition, cq_state, cq_type, cq_worker_id, " + // -1 because 'null' literal doesn't work for all DBs...
            "cq_start, -1 cc_end, cq_run_as, cq_hadoop_job_id, cq_id from COMPACTION_QUEUE union all " + "select cc_database, cc_table, cc_partition, cc_state, cc_type, cc_worker_id, " + "cc_start, cc_end, cc_run_as, cc_hadoop_job_id, cc_id from COMPLETED_COMPACTIONS";
            // what I want is order by cc_end desc, cc_start asc (but derby has a bug https://issues.apache.org/jira/browse/DERBY-6013)
            // to sort so that currently running jobs are at the end of the list (bottom of screen)
            // and currently running ones are in sorted by start time
            // w/o order by likely currently running compactions will be first (LHS of Union)
            LOG.debug("Going to execute query <" + s + ">");
            ResultSet rs = stmt.executeQuery(s);
            while (rs.next()) {
                ShowCompactResponseElement e = new ShowCompactResponseElement();
                e.setDbname(rs.getString(1));
                e.setTablename(rs.getString(2));
                e.setPartitionname(rs.getString(3));
                e.setState(compactorStateToResponse(rs.getString(4).charAt(0)));
                switch(rs.getString(5).charAt(0)) {
                    case MAJOR_TYPE:
                        e.setType(CompactionType.MAJOR);
                        break;
                    case MINOR_TYPE:
                        e.setType(CompactionType.MINOR);
                        break;
                    default:
                }
                e.setWorkerid(rs.getString(6));
                long start = rs.getLong(7);
                if (!rs.wasNull()) {
                    e.setStart(start);
                }
                long endTime = rs.getLong(8);
                if (endTime != -1) {
                    e.setEndTime(endTime);
                }
                e.setRunAs(rs.getString(9));
                e.setHadoopJobId(rs.getString(10));
                e.setId(rs.getLong(11));
                response.addToCompacts(e);
            }
            LOG.debug("Going to rollback");
            dbConn.rollback();
        } catch (SQLException e) {
            LOG.debug("Going to rollback");
            rollbackDBConn(dbConn);
            checkRetryable(dbConn, e, "showCompact(" + rqst + ")");
            throw new MetaException("Unable to select from transaction database " + StringUtils.stringifyException(e));
        } finally {
            closeStmt(stmt);
            closeDbConn(dbConn);
        }
        return response;
    } catch (RetryException e) {
        return showCompact(rqst);
    }
}