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[minor] redis: fix max memory size

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some macOS systems do not have SC_PHYS_PAGES set and may raise a ValueError. As a workaround, we fallback to sysctl.
This commit is contained in:
Mangesh-Khairnar 2018-09-05 18:24:48 +05:30
parent f969555835
commit a331c012d2
1 changed files with 5 additions and 7 deletions
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12
bench/config/redis.py
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@ -67,10 +67,8 @@ def get_redis_version():
return float('{major}.{minor}'.format(major=version.major, minor=version.minor))
def get_max_redis_memory():
total_virtual_mem = os.sysconf('SC_PAGE_SIZE') * os.sysconf('SC_PHYS_PAGES')/(pow(1024, 2))
max_memory = int(total_virtual_mem * 0.05) # Max memory for redis is 5% of virtual memory
if max_memory < 50:
return 50
else:
return max_memory
try:
max_mem = os.sysconf('SC_PAGE_SIZE') * os.sysconf('SC_PHYS_PAGES')
except ValueError:
max_mem = int(subprocess.check_output(['sysctl', '-n', 'hw.memsize']).strip())
return max(50, int((max_mem / (1024. ** 2)) * 0.05))