/*
* Take a snapshot of a table, do a split, and verify that this only affects one table
* @param online - Whether the table is online or not during the snapshot
*/
private void runTestRegionOperationsIndependent(boolean online) throws Exception {
FileSystem fs = UTIL.getHBaseCluster().getMaster().getMasterFileSystem().getFileSystem();
Path rootDir = UTIL.getHBaseCluster().getMaster().getMasterFileSystem().getRootDir();
// Create a table
Admin admin = UTIL.getHBaseAdmin();
final long startTime = System.currentTimeMillis();
final TableName localTableName = TableName.valueOf(STRING_TABLE_NAME + startTime);
Table original = UTIL.createTable(localTableName, TEST_FAM);
UTIL.loadTable(original, TEST_FAM);
final int loadedTableCount = UTIL.countRows(original);
System.out.println("Original table has: " + loadedTableCount + " rows");
final String snapshotNameAsString = "snapshot_" + localTableName;
// Create a snapshot
SnapshotTestingUtils.createSnapshotAndValidate(
admin, localTableName, TEST_FAM_STR, snapshotNameAsString, rootDir, fs, online);
if (!online) {
admin.enableTable(localTableName);
}
TableName cloneTableName = TableName.valueOf("test-clone-" + localTableName);
// Clone the snapshot
byte[] snapshotName = Bytes.toBytes(snapshotNameAsString);
admin.cloneSnapshot(snapshotName, cloneTableName);
// Verify that region information is the same pre-split
((ClusterConnection) UTIL.getConnection()).clearRegionCache();
List<HRegionInfo> originalTableHRegions = admin.getTableRegions(localTableName);
final int originalRegionCount = originalTableHRegions.size();
final int cloneTableRegionCount = admin.getTableRegions(cloneTableName).size();
Assert.assertEquals(
"The number of regions in the cloned table is different than in the original table.",
originalRegionCount,
cloneTableRegionCount);
// Split a region on the parent table
admin.splitRegion(originalTableHRegions.get(0).getRegionName());
waitOnSplit(UTIL.getConnection(), original, originalRegionCount);
// Verify that the cloned table region is not split
final int cloneTableRegionCount2 = admin.getTableRegions(cloneTableName).size();
Assert.assertEquals(
"The number of regions in the cloned table changed though none of its regions were split.",
cloneTableRegionCount,
cloneTableRegionCount2);
}
// populate tables
@Override
void perform() throws IOException {
HTableDescriptor selected = selectTable(enabledTables);
if (selected == null) {
return;
}
Admin admin = connection.getAdmin();
TableName tableName = selected.getTableName();
try (Table table = connection.getTable(tableName)) {
ArrayList<HRegionInfo> regionInfos =
new ArrayList<HRegionInfo>(admin.getTableRegions(selected.getTableName()));
int numRegions = regionInfos.size();
// average number of rows to be added per action to each region
int average_rows = 1;
int numRows = average_rows * numRegions;
LOG.info("Adding " + numRows + " rows to table: " + selected);
for (int i = 0; i < numRows; i++) {
// nextInt(Integer.MAX_VALUE)) to return positive numbers only
byte[] rowKey =
Bytes.toBytes(
"row-" + String.format("%010d", RandomUtils.nextInt(Integer.MAX_VALUE)));
HColumnDescriptor cfd = selectFamily(selected);
if (cfd == null) {
return;
}
byte[] family = cfd.getName();
byte[] qualifier = Bytes.toBytes("col-" + RandomUtils.nextInt(Integer.MAX_VALUE) % 10);
byte[] value = Bytes.toBytes("val-" + RandomStringUtils.randomAlphanumeric(10));
Put put = new Put(rowKey);
put.addColumn(family, qualifier, value);
table.put(put);
}
HTableDescriptor freshTableDesc = admin.getTableDescriptor(tableName);
enabledTables.put(tableName, freshTableDesc);
LOG.info("Added " + numRows + " rows to table: " + selected);
} catch (Exception e) {
LOG.warn("Caught exception in action: " + this.getClass());
throw e;
} finally {
admin.close();
}
verifyTables();
}