diff options
Diffstat (limited to 'tests/unit/memefficiency.tcl')
-rw-r--r-- | tests/unit/memefficiency.tcl | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/tests/unit/memefficiency.tcl b/tests/unit/memefficiency.tcl index 299dd658b..e6663ce06 100644 --- a/tests/unit/memefficiency.tcl +++ b/tests/unit/memefficiency.tcl @@ -157,6 +157,88 @@ start_server {tags {"defrag external:skip"} overrides {appendonly yes auto-aof-r } r config set appendonly no r config set key-load-delay 0 + + test "Active defrag eval scripts" { + r flushdb + r script flush sync + r config resetstat + r config set hz 100 + r config set activedefrag no + r config set active-defrag-threshold-lower 5 + r config set active-defrag-cycle-min 65 + r config set active-defrag-cycle-max 75 + r config set active-defrag-ignore-bytes 1500kb + r config set maxmemory 0 + + set n 50000 + + # Populate memory with interleaving script-key pattern of same size + set dummy_script "--[string repeat x 400]\nreturn " + set rd [redis_deferring_client] + for {set j 0} {$j < $n} {incr j} { + set val "$dummy_script[format "%06d" $j]" + $rd script load $val + $rd set k$j $val + } + for {set j 0} {$j < $n} {incr j} { + $rd read ; # Discard script load replies + $rd read ; # Discard set replies + } + after 120 ;# serverCron only updates the info once in 100ms + if {$::verbose} { + puts "used [s allocator_allocated]" + puts "rss [s allocator_active]" + puts "frag [s allocator_frag_ratio]" + puts "frag_bytes [s allocator_frag_bytes]" + } + assert_lessthan [s allocator_frag_ratio] 1.05 + + # Delete all the keys to create fragmentation + for {set j 0} {$j < $n} {incr j} { $rd del k$j } + for {set j 0} {$j < $n} {incr j} { $rd read } ; # Discard del replies + $rd close + after 120 ;# serverCron only updates the info once in 100ms + if {$::verbose} { + puts "used [s allocator_allocated]" + puts "rss [s allocator_active]" + puts "frag [s allocator_frag_ratio]" + puts "frag_bytes [s allocator_frag_bytes]" + } + assert_morethan [s allocator_frag_ratio] 1.4 + + catch {r config set activedefrag yes} e + if {[r config get activedefrag] eq "activedefrag yes"} { + + # wait for the active defrag to start working (decision once a second) + wait_for_condition 50 100 { + [s active_defrag_running] ne 0 + } else { + fail "defrag not started." + } + + # wait for the active defrag to stop working + wait_for_condition 500 100 { + [s active_defrag_running] eq 0 + } else { + after 120 ;# serverCron only updates the info once in 100ms + puts [r info memory] + puts [r memory malloc-stats] + fail "defrag didn't stop." + } + + # test the the fragmentation is lower + after 120 ;# serverCron only updates the info once in 100ms + if {$::verbose} { + puts "used [s allocator_allocated]" + puts "rss [s allocator_active]" + puts "frag [s allocator_frag_ratio]" + puts "frag_bytes [s allocator_frag_bytes]" + } + assert_lessthan_equal [s allocator_frag_ratio] 1.05 + } + # Flush all script to make sure we don't crash after defragging them + r script flush sync + } {OK} test "Active defrag big keys" { r flushdb |