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Defrag: test currently disabled, too many false positives.

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Related to #3786.
This commit is contained in:
antirez 2017-04-22 15:59:53 +02:00
parent a17390853d
commit c861e1e1ee
1 changed files with 41 additions and 39 deletions
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80
tests/unit/memefficiency.tcl
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@ -36,48 +36,50 @@ start_server {tags {"memefficiency"}} {
} }
} }
start_server {tags {"defrag"}} { if 0 {
if {[string match {*jemalloc*} [s mem_allocator]]} { start_server {tags {"defrag"}} {
test "Active defrag" { if {[string match {*jemalloc*} [s mem_allocator]]} {
r config set activedefrag no test "Active defrag" {
r config set active-defrag-threshold-lower 5 r config set activedefrag no
r config set active-defrag-ignore-bytes 2mb r config set active-defrag-threshold-lower 5
r config set maxmemory 100mb r config set active-defrag-ignore-bytes 2mb
r config set maxmemory-policy allkeys-lru r config set maxmemory 100mb
r debug populate 700000 asdf 150 r config set maxmemory-policy allkeys-lru
r debug populate 170000 asdf 300 r debug populate 700000 asdf 150
set frag [s mem_fragmentation_ratio] r debug populate 170000 asdf 300
assert {$frag >= 1.7} set frag [s mem_fragmentation_ratio]
r config set activedefrag yes assert {$frag >= 1.7}
after 1500 ;# active defrag tests the status once a second. r config set activedefrag yes
set hits [s active_defrag_hits] after 1500 ;# active defrag tests the status once a second.
# wait for the active defrag to stop working
set tries 0
while { True } {
incr tries
after 500
set prev_hits $hits
set hits [s active_defrag_hits] set hits [s active_defrag_hits]
if {$hits == $prev_hits} {
break # wait for the active defrag to stop working
set tries 0
while { True } {
incr tries
after 500
set prev_hits $hits
set hits [s active_defrag_hits]
if {$hits == $prev_hits} {
break
}
assert {$tries < 100}
} }
assert {$tries < 100}
# TODO: we need to expose more accurate fragmentation info
# i.e. the allocator used and active pages
# instead we currently look at RSS so we need to ask for purge
r memory purge
# Test the the fragmentation is lower and that the defragger
# stopped working
set frag [s mem_fragmentation_ratio]
assert {$frag < 1.55}
set misses [s active_defrag_misses]
after 500
set misses2 [s active_defrag_misses]
assert {$misses2 == $misses}
} }
# TODO: we need to expose more accurate fragmentation info
# i.e. the allocator used and active pages
# instead we currently look at RSS so we need to ask for purge
r memory purge
# Test the the fragmentation is lower and that the defragger
# stopped working
set frag [s mem_fragmentation_ratio]
assert {$frag < 1.55}
set misses [s active_defrag_misses]
after 500
set misses2 [s active_defrag_misses]
assert {$misses2 == $misses}
} }
} }
} }