/**
* Set the table's replication switch if the table's replication switch is already not set.
*
* @param tableName name of the table
* @param isRepEnabled is replication switch enable or disable
* @throws IOException if a remote or network exception occurs
*/
private void setTableRep(final TableName tableName, boolean isRepEnabled) throws IOException {
Admin admin = null;
try {
admin = this.connection.getAdmin();
HTableDescriptor htd = admin.getTableDescriptor(tableName);
if (isTableRepEnabled(htd) ^ isRepEnabled) {
boolean isOnlineSchemaUpdateEnabled =
this.connection
.getConfiguration()
.getBoolean("hbase.online.schema.update.enable", true);
if (!isOnlineSchemaUpdateEnabled) {
admin.disableTable(tableName);
}
for (HColumnDescriptor hcd : htd.getFamilies()) {
hcd.setScope(
isRepEnabled
? HConstants.REPLICATION_SCOPE_GLOBAL
: HConstants.REPLICATION_SCOPE_LOCAL);
}
admin.modifyTable(tableName, htd);
if (!isOnlineSchemaUpdateEnabled) {
admin.enableTable(tableName);
}
}
} finally {
if (admin != null) {
try {
admin.close();
} catch (IOException e) {
LOG.warn("Failed to close admin connection.");
LOG.debug("Details on failure to close admin connection.", e);
}
}
}
}
@Override
void perform() throws IOException {
HTableDescriptor selected = selectTable(disabledTables);
if (selected == null) {
return;
}
HColumnDescriptor columnDesc = selectFamily(selected);
if (columnDesc == null) {
return;
}
Admin admin = connection.getAdmin();
int versions = RandomUtils.nextInt(10) + 3;
try {
TableName tableName = selected.getTableName();
LOG.info(
"Altering versions of column family: "
+ columnDesc
+ " to: "
+ versions
+ " in table: "
+ tableName);
columnDesc.setMinVersions(versions);
columnDesc.setMaxVersions(versions);
admin.modifyTable(tableName, selected);
// assertion
HTableDescriptor freshTableDesc = admin.getTableDescriptor(tableName);
HColumnDescriptor freshColumnDesc = freshTableDesc.getFamily(columnDesc.getName());
Assert.assertEquals(
"Column family: " + columnDesc + " was not altered",
freshColumnDesc.getMaxVersions(),
versions);
Assert.assertEquals(
"Column family: " + freshColumnDesc + " was not altered",
freshColumnDesc.getMinVersions(),
versions);
LOG.info(
"Altered versions of column family: "
+ columnDesc
+ " to: "
+ versions
+ " in table: "
+ tableName);
disabledTables.put(tableName, freshTableDesc);
} catch (Exception e) {
LOG.warn("Caught exception in action: " + this.getClass());
throw e;
} finally {
admin.close();
}
verifyTables();
}
@Override
void perform() throws IOException {
HTableDescriptor selected = selectTable(disabledTables);
if (selected == null) {
return;
}
HColumnDescriptor columnDesc = selectFamily(selected);
if (columnDesc == null) {
return;
}
Admin admin = connection.getAdmin();
try {
TableName tableName = selected.getTableName();
// possible DataBlockEncoding ids
int[] possibleIds = {0, 2, 3, 4, 6};
short id = (short) possibleIds[RandomUtils.nextInt(possibleIds.length)];
LOG.info(
"Altering encoding of column family: "
+ columnDesc
+ " to: "
+ id
+ " in table: "
+ tableName);
columnDesc.setDataBlockEncoding(DataBlockEncoding.getEncodingById(id));
admin.modifyTable(tableName, selected);
// assertion
HTableDescriptor freshTableDesc = admin.getTableDescriptor(tableName);
HColumnDescriptor freshColumnDesc = freshTableDesc.getFamily(columnDesc.getName());
Assert.assertEquals(
"Encoding of column family: " + columnDesc + " was not altered",
freshColumnDesc.getDataBlockEncoding().getId(),
id);
LOG.info(
"Altered encoding of column family: "
+ freshColumnDesc
+ " to: "
+ id
+ " in table: "
+ tableName);
disabledTables.put(tableName, freshTableDesc);
} catch (Exception e) {
LOG.warn("Caught exception in action: " + this.getClass());
throw e;
} finally {
admin.close();
}
verifyTables();
}
