dolysis/rocksdb
3
0
Fork 0
mirror of https://github.com/facebook/rocksdb.git synced 2024-11-25 22:44:05 +00:00
Code Issues Packages Projects Releases Wiki Activity

Set --seed per test

Browse source 
Summary:
This is done to avoid having each thread use the same seed between runs
of db_bench. Without this we can inflate the OS filesystem cache hit rate on
reads for read heavy tests and generally see the same key sequences get generated
between teste runs.

Task ID: #

Blame Rev:

Test Plan:
Revert Plan:

Database Impact:

Memcache Impact:

Other Notes:

EImportant:

- begin *PUBLIC* platform impact section -
Bugzilla: #
- end platform impact -

Reviewers: igor

Reviewed By: igor

Subscribers: dhruba

Differential Revision: https://reviews.facebook.net/D37563
This commit is contained in:
Mark Callaghan 2015-04-23 09:18:25 -07:00
parent 618d07b068
commit 283a042969
1 changed files with 8 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
tools/benchmark.sh
View file

@ -138,6 +138,7 @@ function run_bulkload {
--threads=1 \
--memtablerep=vector \
--disable_wal=1 \
--seed=$( date +%s ) \
2>&1 | tee -a $output_dir/benchmark_bulkload_fillrandom.log"
echo $cmd | tee $output_dir/benchmark_bulkload_fillrandom.log
eval $cmd
@ -166,6 +167,7 @@ function run_fillseq {
--threads=1 \
--memtablerep=vector \
--disable_wal=1 \
--seed=$( date +%s ) \
2>&1 | tee -a $output_dir/benchmark_fillseq.v${value_size}.log"
echo $cmd | tee $output_dir/benchmark_fillseq.v${value_size}.log
eval $cmd
@ -182,6 +184,7 @@ function run_change {
$params_w \
--threads=$num_threads \
--merge_operator=\"put\" \
--seed=$( date +%s ) \
2>&1 | tee -a $output_dir/${out_name}"
echo $cmd | tee $output_dir/${out_name}
eval $cmd
@ -195,6 +198,7 @@ function run_filluniquerandom {
--sync=0 \
$params_w \
--threads=1 \
--seed=$( date +%s ) \
2>&1 | tee -a $output_dir/benchmark_filluniquerandom.log"
echo $cmd | tee $output_dir/benchmark_filluniquerandom.log
eval $cmd
@ -208,6 +212,7 @@ function run_readrandom {
--use_existing_db=1 \
$params_w \
--threads=$num_threads \
--seed=$( date +%s ) \
2>&1 | tee -a $output_dir/${out_name}"
echo $cmd | tee $output_dir/${out_name}
eval $cmd
@ -225,6 +230,7 @@ function run_readwhile {
--threads=$num_threads \
--writes_per_second=$writes_per_second \
--merge_operator=\"put\" \
--seed=$( date +%s ) \
2>&1 | tee -a $output_dir/${out_name}"
echo $cmd | tee $output_dir/${out_name}
eval $cmd
@ -246,6 +252,7 @@ function run_rangewhile {
--merge_operator=\"put\" \
--seek_nexts=$num_nexts_per_seek \
--reverse_iterator=$reverse_arg \
--seed=$( date +%s ) \
2>&1 | tee -a $output_dir/${out_name}"
echo $cmd | tee $output_dir/${out_name}
eval $cmd
@ -263,6 +270,7 @@ function run_range {
--threads=$num_threads \
--seek_nexts=$num_nexts_per_seek \
--reverse_iterator=$reverse_arg \
--seed=$( date +%s ) \
2>&1 | tee -a $output_dir/${out_name}"
echo $cmd | tee $output_dir/${out_name}
eval $cmd