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nexedi
gitlab-ce
Commits
44e4f070
Commit
44e4f070
authored
Feb 19, 2016
by
Jacob Vosmaer
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Improve readability of 'rake cache:clear' code
parent
c21c8825
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lib/tasks/cache.rake
lib/tasks/cache.rake
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lib/tasks/cache.rake
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44e4f070
namespace
:cache
do
CLEAR_BATCH_SIZE
=
1000
CLEAR_BATCH_SIZE
=
1000
# The more the faster, but having too many can crash Ruby
REDIS_SCAN_START_STOP
=
'0'
# Magic value, see http://redis.io/commands/scan
desc
"GitLab | Clear redis cache"
task
:clear
=>
:environment
do
redis_store
=
Rails
.
cache
.
instance_variable_get
(
:@data
)
cursor
=
[
REDIS_SCAN_START_STOP
,
[]]
cursor
=
REDIS_SCAN_START_STOP
loop
do
cursor
=
redis_store
.
scan
(
cursor
.
first
,
cursor
,
keys
=
redis_store
.
scan
(
cursor
,
match:
"
#{
Gitlab
::
REDIS_CACHE_NAMESPACE
}
*"
,
count:
CLEAR_BATCH_SIZE
)
keys
=
cursor
.
last
redis_store
.
del
(
*
keys
)
if
keys
.
any?
break
if
cursor
.
first
==
REDIS_SCAN_START_STOP
break
if
cursor
==
REDIS_SCAN_START_STOP
end
end
end
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