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/*
* (C) Copyright 2018-2021 Intel Corporation.
*
* SPDX-License-Identifier: BSD-2-Clause-Patent
*/
package io.daos;
/**
* Type of DAOS object.
*/
public enum DaosObjectType {
OC_UNKNOWN,
/**
* Object classes with no data protection.
* NB: The first 50 IDs are reserved for backward compatibility.
*/
OC_BACK_COMPAT,
/**
* Single shard object.
*/
OC_TINY,
/**
* Object with small number of shards.
* Number of shards of the class is chosen by DAOS based on the
* current size of the pool.
*/
OC_SMALL,
/**
* Object with large number of shards.
* Number of shards of the class is chosen by DAOS based on the
* current size of the pool.
*/
OC_LARGE,
/**
* Object with maximum number of shards.
* Number of shards of the class is chosen by DAOS based on the
* current size of the pool.
*/
OC_MAX,
/**
* object classes protected by replication.
*/
/**
* Tiny object protected by replication.
* This object class has one redundancy group.
*/
OC_RP_TINY,
/**
* Replicated object with small number of redundancy groups.
* Number of redundancy groups of the class is chosen by DAOS
* based on the current size of the pool.
*/
OC_RP_SMALL,
/**
* Replicated object with large number of redundancy groups.
* Number of redundancy groups of the class is chosen by DAOS
* based on the current size of the pool.
*/
OC_RP_LARGE,
/**
* Replicated object with maximum number of redundancy groups.
* Number of redundancy groups of the class is chosen by DAOS
* based on the current size of the pool.
*/
OC_RP_MAX,
/**
* Object classes protected by replication which supports Scalable.
* Fetch (SF)
* SF classes have more replicas, so they are slower on update, but more
* scalable on fetch because they have more replicas to serve fetches.
*/
/**
* Tiny object protected by replication.
* This object class has one redundancy group.
*/
OC_RP_SF_TINY,
/**
* (SF) Replicated object with small number of redundancy groups.
* Number of redundancy groups of the class is chosen by DAOS
* based on the current size of the pool.
*/
OC_RP_SF_SMALL,
/**
* (SF) Replicated object with large number of redundancy groups.
* Number of redundancy groups of the class is chosen by DAOS
* based on the current size of the pool.
*/
OC_RP_SF_LARGE,
/**
* (SF) Replicated object with maximum number of redundancy groups.
* Number of redundancy groups of the class is chosen by DAOS
* based on the current size of the pool.
*/
OC_RP_SF_MAX,
/**
* Replicated object class which is extremely scalable for fetch.
* It has many replicas so it is very slow for update.
*/
OC_RP_XSF,
/**
* Object classes protected by erasure code.
*/
/**
* Tiny object protected by EC
* This object class has one redundancy group.
*/
OC_EC_TINY,
/**
* EC object with small number of redundancy groups.
* Number of redundancy groups of the class is chosen by DAOS
* based on the current size of the pool.
*/
OC_EC_SMALL,
/**
* EC object with large number of redundancy groups.
* Number of redundancy groups of the class is chosen by DAOS
* based on the current size of the pool.
*/
OC_EC_LARGE,
/**
* EC object with maximum number of redundancy groups.
* Number of redundancy groups of the class is chosen by DAOS
* based on the current size of the pool.
*/
OC_EC_MAX,
/**
* Object classes with explicit layout.
*/
/**
* Object classes with explicit layout but no data protection.
* Examples:
* S1 : shards=1, S2 means shards=2, ...
* SX : spreading across all targets within the pool.
*/
OC_S1,
OC_S2,
OC_S4,
OC_S8,
OC_S16,
OC_S32,
OC_S64,
OC_S128,
OC_S256,
OC_S512,
OC_S1K,
OC_S2K,
OC_S4K,
OC_S8K,
OC_SX,
/**
* Replicated object with explicit layout.
* The first number is number of replicas, the number after G stands
* for number of redundancy Groups.
* Examples:
* 2G1 : 2 replicas group=1
* 3G2 : 3 replicas groups=2, ...
* 8GX : 8 replicas, it spreads across all targets within the pool.
*/
/**
* 2-way replicated object classes.
*/
OC_RP_2G1,
OC_RP_2G2,
OC_RP_2G4,
OC_RP_2G8,
OC_RP_2G16,
OC_RP_2G32,
OC_RP_2G64,
OC_RP_2G128,
OC_RP_2G256,
OC_RP_2G512,
OC_RP_2G1K,
OC_RP_2G2K,
OC_RP_2G4K,
OC_RP_2G8K,
OC_RP_2GX,
/**
* 3-way replicated object classes.
*/
OC_RP_3G1,
OC_RP_3G2,
OC_RP_3G4,
OC_RP_3G8,
OC_RP_3G16,
OC_RP_3G32,
OC_RP_3G64,
OC_RP_3G128,
OC_RP_3G256,
OC_RP_3G512,
OC_RP_3G1K,
OC_RP_3G2K,
OC_RP_3G4K,
OC_RP_3G8K,
OC_RP_3GX,
/**
* 8-way replicated object classes.
*/
OC_RP_8G1,
OC_RP_8G2,
OC_RP_8G4,
OC_RP_8G8,
OC_RP_8G16,
OC_RP_8G32,
OC_RP_8G64,
OC_RP_8G128,
OC_RP_8G256,
OC_RP_8G512,
OC_RP_8G1K,
OC_RP_8G2K,
OC_RP_8G4K,
OC_RP_8G8K,
OC_RP_8GX,
/**
* Erasure coded object with explicit layout
* - the first number is data cells number within a redundancy group
* - the number after P is parity cells number within a redundancy group
* - the number after G is number of redundancy Groups.
* Examples:
* - 2P1G1: 2+1 EC object with one redundancy group
* - 4P2G8: 4+2 EC object with 8 redundancy groups
* - 8P2G2: 8+2 EC object with 2 redundancy groups
* - 16P2GX: 16+2 EC object spreads across all targets within the pool.
*/
/**
* EC 2+1 object classes.
*/
OC_EC_2P1G1,
OC_EC_2P1G2,
OC_EC_2P1G4,
OC_EC_2P1G8,
OC_EC_2P1G16,
OC_EC_2P1G32,
OC_EC_2P1G64,
OC_EC_2P1G128,
OC_EC_2P1G256,
OC_EC_2P1G512,
OC_EC_2P1G1K,
OC_EC_2P1G2K,
OC_EC_2P1G4K,
OC_EC_2P1G8K,
OC_EC_2P1GX,
/**
* EC 2+2 object classes.
*/
OC_EC_2P2G1,
OC_EC_2P2G2,
OC_EC_2P2G4,
OC_EC_2P2G8,
OC_EC_2P2G16,
OC_EC_2P2G32,
OC_EC_2P2G64,
OC_EC_2P2G128,
OC_EC_2P2G256,
OC_EC_2P2G512,
OC_EC_2P2G1K,
OC_EC_2P2G2K,
OC_EC_2P2G4K,
OC_EC_2P2G8K,
OC_EC_2P2GX,
/**
* EC 4+1 object classes.
*/
OC_EC_4P1G1,
OC_EC_4P1G2,
OC_EC_4P1G4,
OC_EC_4P1G8,
OC_EC_4P1G16,
OC_EC_4P1G32,
OC_EC_4P1G64,
OC_EC_4P1G128,
OC_EC_4P1G256,
OC_EC_4P1G512,
OC_EC_4P1G1K,
OC_EC_4P1G2K,
OC_EC_4P1G4K,
OC_EC_4P1G8K,
OC_EC_4P1GX,
/**
* EC 4+2 object classes.
*/
OC_EC_4P2G1,
OC_EC_4P2G2,
OC_EC_4P2G4,
OC_EC_4P2G8,
OC_EC_4P2G16,
OC_EC_4P2G32,
OC_EC_4P2G64,
OC_EC_4P2G128,
OC_EC_4P2G256,
OC_EC_4P2G512,
OC_EC_4P2G1K,
OC_EC_4P2G2K,
OC_EC_4P2G4K,
OC_EC_4P2G8K,
OC_EC_4P2GX,
/**
* EC 8+1 object classes.
*/
OC_EC_8P1G1,
OC_EC_8P1G2,
OC_EC_8P1G4,
OC_EC_8P1G8,
OC_EC_8P1G16,
OC_EC_8P1G32,
OC_EC_8P1G64,
OC_EC_8P1G128,
OC_EC_8P1G256,
OC_EC_8P1G512,
OC_EC_8P1G1K,
OC_EC_8P1G2K,
OC_EC_8P1G4K,
OC_EC_8P1G8K,
OC_EC_8P1GX,
/**
* EC 8+2 object classes.
*/
OC_EC_8P2G1,
OC_EC_8P2G2,
OC_EC_8P2G4,
OC_EC_8P2G8,
OC_EC_8P2G16,
OC_EC_8P2G32,
OC_EC_8P2G64,
OC_EC_8P2G128,
OC_EC_8P2G256,
OC_EC_8P2G512,
OC_EC_8P2G1K,
OC_EC_8P2G2K,
OC_EC_8P2G4K,
OC_EC_8P2G8K,
OC_EC_8P2GX,
/**
* EC 16+1 object classes.
*/
OC_EC_16P1G1,
OC_EC_16P1G2,
OC_EC_16P1G4,
OC_EC_16P1G8,
OC_EC_16P1G16,
OC_EC_16P1G32,
OC_EC_16P1G64,
OC_EC_16P1G128,
OC_EC_16P1G256,
OC_EC_16P1G512,
OC_EC_16P1G1K,
OC_EC_16P1G2K,
OC_EC_16P1G4K,
OC_EC_16P1G8K,
OC_EC_16P1GX,
/**
* EC 16+2 object classes.
*/
OC_EC_16P2G1,
OC_EC_16P2G2,
OC_EC_16P2G4,
OC_EC_16P2G8,
OC_EC_16P2G16,
OC_EC_16P2G32,
OC_EC_16P2G64,
OC_EC_16P2G128,
OC_EC_16P2G256,
OC_EC_16P2G512,
OC_EC_16P2G1K,
OC_EC_16P2G2K,
OC_EC_16P2G4K,
OC_EC_16P2G8K,
OC_EC_16P2GX,
/**
* Class ID equal or higher than this is reserved.
*/
OC_RESERVED;
public String nameWithoutOc() {
return name().substring(3);
}
}
