==================================================== ---------------- Current README -------------------
Authors: Teng Ma, Biaodong He. @Tsinghua University, Madsys Group (http:https://madsys.cs.tsinghua.edu.cn/)
Our project is based on DBX1000 which is produced by CMU. The source code can be found here (https://github.com/mitdbg/deneva).
- The experiments (figures and tables) and baseline can be found in our paper (Section 4)
- Preprepared:
- OFED-4.2 (libibverbs)
- libmemcached-1.4.14
- nanomsg-1.1.4 (only for our baseline)
- jemalloc
- Compile: make deps && make -j
- Run:
- Configurations:
- in
config.h:- USE_RDMA: as the name shows
- RDMA_BUFFER_SIZE: the circular buffer size
- RDMA_CYC_QP_NUM: the depth of Send/Recv CQ
- RDMA_BUFFER_ITEM_SIZE: buffer item size
- RDMA_COLOR_LOG: for debugging
- in
libmrdma.h:- MAX_INLINE_DATA
- MAX_SEND_SGE
- MAX_RECV_SGE
- M_CONN_PADDING: static offset value for UD mode
- M_USE_SRQ:
- M_USE_MEMCACHE: use memcache to sync private informations of QP
- More details are described in the original README
- in
Hardware:
CPU: Intel(R) Xeon(R) CPU E5-2640 v2 @ 2.00GHz
Network: Mellanox ConnectX-3 InfiniBand (40Gbps)
Software:
OFED: MLNX\_OFED\_LINUX-4.2-1.0.0.0 (OFED-4.2-1.0.0)
ibv_devices
hca_id: mlx4_0
transport: InfiniBand (0)
fw_ver: 2.42.5000
node_guid: f452:1403:0091:ba20
sys_image_guid: f452:1403:0091:ba23
vendor_id: 0x02c9
vendor_part_id: 4099
hw_ver: 0x1
board_id: MT_1090110018
phys_port_cnt: 2
Device ports:
port: 1
state: PORT_ACTIVE (4)
max_mtu: 4096 (5)
active_mtu: 4096 (5)
sm_lid: 12
port_lid: 3
port_lmc: 0x00
link_layer: InfiniBand
port: 2
state: PORT_DOWN (1)
max_mtu: 4096 (5)
active_mtu: 1024 (3)
sm_lid: 0
port_lid: 0
port_lmc: 0x00
link_layer: Ethernet
ibstatus
Infiniband device 'mlx4_0' port 1 status:
default gid: fe80:0000:0000:0000:f452:1403:0091:ba11
base lid: 0xa
sm lid: 0xc
state: 4: ACTIVE
phys state: 5: LinkUp
rate: 40 Gb/sec (4X QDR)
link_layer: InfiniBand
Infiniband device 'mlx4_0' port 2 status:
default gid: fe80:0000:0000:0000:f652:14ff:fe91:ba12
base lid: 0x0
sm lid: 0x0
state: 1: DOWN
phys state: 3: Disabled
rate: 10 Gb/sec (1X QDR)
link_layer: Ethernet
link info:
CA: teaker-4 HCA-1:
0xf45214030091b9f1 1 1[ ] ==( 4X 10.0 Gbps Active/ LinkUp)==> 2 9[ ] "Infiniscale-IV Mellanox Technologies" ( )
CA: teaker-5 HCA-1:
0xf45214030091baa1 12 1[ ] ==( 4X 10.0 Gbps Active/ LinkUp)==> 2 7[ ] "Infiniscale-IV Mellanox Technologies" ( )
CA: teaker-6 HCA-1:
0xf45214030091b9e1 8 1[ ] ==( 4X 10.0 Gbps Active/ LinkUp)==> 2 6[ ] "Infiniscale-IV Mellanox Technologies" ( )
CA: teaker-7 HCA-1:
0xf45214030091ba41 5 1[ ] ==( 4X 10.0 Gbps Active/ LinkUp)==> 2 5[ ] "Infiniscale-IV Mellanox Technologies" ( )
CA: teaker-8 HCA-1:
0xf45214030091ba61 7 1[ ] ==( 4X 10.0 Gbps Active/ LinkUp)==> 2 4[ ] "Infiniscale-IV Mellanox Technologies" ( )
CA: teaker-11 HCA-1:
0xf45214030091ba21 3 1[ ] ==( 4X 10.0 Gbps Active/ LinkUp)==> 2 1[ ] "Infiniscale-IV Mellanox Technologies" ( )
CA: teaker-9 HCA-1:
0xf45214030091ba51 6 1[ ] ==( 4X 10.0 Gbps Active/ LinkUp)==> 2 3[ ] "Infiniscale-IV Mellanox Technologies" ( )
0xf45214030091ba52 4 2[ ] ==( 4X 10.0 Gbps Active/ LinkUp)==> 2 14[ ] "Infiniscale-IV Mellanox Technologies" ( )
Switch: 0x0002c902004b2678 Infiniscale-IV Mellanox Technologies:
2 1[ ] ==( 4X 10.0 Gbps Active/ LinkUp)==> 3 1[ ] "teaker-11 HCA-1" ( )
2 2[ ] ==( 4X 10.0 Gbps Active/ LinkUp)==> 10 1[ ] "teaker-10 HCA-1" ( )
2 3[ ] ==( 4X 10.0 Gbps Active/ LinkUp)==> 6 1[ ] "teaker-9 HCA-1" ( )
2 4[ ] ==( 4X 10.0 Gbps Active/ LinkUp)==> 7 1[ ] "teaker-8 HCA-1" ( )
2 5[ ] ==( 4X 10.0 Gbps Active/ LinkUp)==> 5 1[ ] "teaker-7 HCA-1" ( )
2 6[ ] ==( 4X 10.0 Gbps Active/ LinkUp)==> 8 1[ ] "teaker-6 HCA-1" ( )
2 7[ ] ==( 4X 10.0 Gbps Active/ LinkUp)==> 12 1[ ] "teaker-5 HCA-1" ( )
2 8[ ] ==( Down/ Polling)==> [ ] "" ( )
2 9[ ] ==( 4X 10.0 Gbps Active/ LinkUp)==> 1 1[ ] "teaker-4 HCA-1" ( )
2 10[ ] ==( Down/ Polling)==> [ ] "" ( )
2 11[ ] ==( Down/ Polling)==> [ ] "" ( )
2 12[ ] ==( Down/ Polling)==> [ ] "" ( )
2 13[ ] ==( Down/ Polling)==> [ ] "" ( )
2 14[ ] ==( 4X 10.0 Gbps Active/ LinkUp)==> 4 2[ ] "teaker-9 HCA-1" ( )
2 15[ ] ==( Down/ Polling)==> [ ] "" ( )
2 16[ ] ==( Down/ Polling)==> [ ] "" ( )
2 17[ ] ==( Down/ Polling)==> [ ] "" ( )
2 18[ ] ==( Down/ Polling)==> [ ] "" ( )
CA: teaker-10 HCA-1:
0xf45214030091ba11 10 1[ ] ==( 4X 10.0 Gbps Active/ LinkUp)==> 2 2[ ] "Infiniscale-IV Mellanox Technologies" ( )
--EOF--
==================================================== ---------------- Original README -------------------
DDBMS is a testbed of an OLTP distributed database management system (DBMS). It supports 6 concurrency control algorithms.
This testbed is based on the DBx1000 system, whose concurrency control scalability study can be found in the following paper:
Staring into the Abyss: An Evaluation of Concurrency Control with One Thousand Cores
Xiangyao Yu, George Bezerra, Andrew Pavlo, Srinivas Devadas, Michael Stonebraker
http:https://voltdb.com/downloads/datasheets_collateral/vdb_whitepaper_staring_into_the_abyss.pdf
To build the database.
make deps
make -j
DBMS configurations can be changed in the config.h file. Please refer to README for the meaning of each configuration. Here we only list several most important ones.
NODE_CNT : Number of server nodes in the database
THREAD_CNT : Number of worker threads running per server
WORKLOAD : Supported workloads include YCSB and TPCC
CC_ALG : Concurrency control algorithm. Six algorithms are supported
(NO_WAIT, WAIT_DIE, TIMESTAMP, MVCC, OCC, CALVIN)
MAX_TXN_IN_FLIGHT : Maximum number of active transactions at each server at a given time
DONE_TIMER : Amount of time to run experiment
Configurations can also be specified as command argument at runtime. Run the following command for a full list of program argument.
./rundb -h
The DBMS can be run with
./rundb -nid[N]
./runcl -nid[M]
where N and M are the ID of a server and client, respectively