SSDUP
SSDUP is a traffic-aware burst buffer for HPC systems, which detects the randomness in HPC IO write operations and flush the SSD buffer with a pipeline mode overlapping the SSD flush phase and write phase.
Install / Use
/learn @CGCL-codes/SSDUPREADME
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Start
orangefs_install/sbin/pvfs2-server orangefs-server.conf wb_info.conf -f
orangefs_install/sbin/pvfs2-server orangefs-server.conf wb_info.conf
Sample wb_info.conf
buff_path_1 : /mnt/ssd1
buff_path_2 : /mnt/ssd2
buff_threshold : 8GB
high_watermark : 0.45
low_watermark : 0.3
rs_length : 128
flag : 1
Compile
chage src/io/trove/trove-handle-mgmt/module.mk to:
DIR := src/io/trove/trove-handle-mgmt
SERVERSRC += \
$(DIR)/avltree.c \
$(DIR)/my_avltree.c \
$(DIR)/trove-extentlist.c \
$(DIR)/trove-ledger.c \
$(DIR)/trove-handle-mgmt.c
Other operations remain the same as orangefs
If you want to know more about SSDUP, please refer to the ICS paper: Xuanhua Shi, Ming Li, Wei Liu, Hai Jin, Chen Yu, and Yong Chen, "SSDUP: A Traffic-Aware SSD Burst Buffer for HPC Systems". in Proceedings of the ACM International Conference on Supercomputing (ICS), Chicago, Illinois, USA, June 13-16, 2017.
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