Examples with CloneSnapshotProcedure org.apache.hadoop.hbase.master.procedure.CloneSnapshotProcedure used on opensource projects

Example 1 with CloneSnapshotProcedure

use of org.apache.hadoop.hbase.master.procedure.CloneSnapshotProcedure in project hbase by apache.

the class SnapshotManager method cloneSnapshot.

/**
   * Clone the specified snapshot into a new table.
   * The operation will fail if the destination table has a snapshot or restore in progress.
   *
   * @param snapshot Snapshot Descriptor
   * @param hTableDescriptor Table Descriptor of the table to create
   * @param nonceKey unique identifier to prevent duplicated RPC
   * @return procId the ID of the clone snapshot procedure
   */
synchronized long cloneSnapshot(final SnapshotDescription snapshot, final HTableDescriptor hTableDescriptor, final NonceKey nonceKey) throws HBaseSnapshotException {
    TableName tableName = hTableDescriptor.getTableName();
    // make sure we aren't running a snapshot on the same table
    if (isTakingSnapshot(tableName)) {
        throw new RestoreSnapshotException("Snapshot in progress on the restore table=" + tableName);
    }
    // make sure we aren't running a restore on the same table
    if (isRestoringTable(tableName)) {
        throw new RestoreSnapshotException("Restore already in progress on the table=" + tableName);
    }
    try {
        long procId = master.getMasterProcedureExecutor().submitProcedure(new CloneSnapshotProcedure(master.getMasterProcedureExecutor().getEnvironment(), hTableDescriptor, snapshot), nonceKey);
        this.restoreTableToProcIdMap.put(tableName, procId);
        return procId;
    } catch (Exception e) {
        String msg = "Couldn't clone the snapshot=" + ClientSnapshotDescriptionUtils.toString(snapshot) + " on table=" + tableName;
        LOG.error(msg, e);
        throw new RestoreSnapshotException(msg, e);
    }
}