昨晩のmirakurunのエラーログ

4/1の3:08にmirakurunがエラーで再起動していたのでその時のログをメモ。

まず、mirakurun.stdout.log

<--- Last few GCs --->

[22698:0x27abf40] 120047592 ms: Scavenge 57.6 (269.9) -> 53.7 (269.9) MB, 2.7 / 0.0 ms allocation failure
[22698:0x27abf40] 120048005 ms: Scavenge 57.6 (269.9) -> 53.7 (269.9) MB, 2.1 / 0.0 ms allocation failure
[22698:0x27abf40] 120048221 ms: Scavenge 57.6 (269.9) -> 55.6 (269.9) MB, 3.2 / 0.0 ms allocation failure
[22698:0x27abf40] 120048241 ms: Scavenge 57.6 (269.9) -> 57.6 (277.9) MB, 5.1 / 0.0 ms allocation failure

<--- JS stacktrace --->
Cannot get stack trace in GC


次に、mirakurun.stderr.log

FATAL ERROR: Scavenger: semi-space copy
Allocation failed - process out of memory
1: node::Abort() [Mirakurun: Server]
2: 0x11e73ec [Mirakurun: Server]
3: v8::Utils::ReportOOMFailure(char const*, bool) [Mirakurun: Server]
4: v8::internal::V8::FatalProcessOutOfMemory(char const*, bool) [Mirakurun: Server]
5: 0xad230b [Mirakurun: Server]
6: v8::internal::Scavenger::ScavengeObject(v8::internal::HeapObject**, v8::internal::HeapObject*) [Mirakurun: Server]
7: v8::internal::Scavenger::Process(v8::internal::Scavenger::Barrier*) [Mirakurun: Server]
8: v8::internal::ScavengingTask::RunInParallel() [Mirakurun: Server]
9: v8::internal::ItemParallelJob::Task::RunInternal() [Mirakurun: Server]
10: v8::internal::ItemParallelJob::Run() [Mirakurun: Server]
11: v8::internal::Heap::Scavenge() [Mirakurun: Server]
12: v8::internal::Heap::PerformGarbageCollection(v8::internal::GarbageCollector, v8::GCCallbackFlags) [Mirakurun: Server]
13: v8::internal::Heap::CollectGarbage(v8::internal::AllocationSpace, v8::internal::GarbageCollectionReason, v8::GCCallbackFlags) [Mirakurun: Server]
14: v8::internal::Factory::NewRawTwoByteString(int, v8::internal::PretenureFlag) [Mirakurun: Server]
15: v8::internal::IncrementalStringBuilder::Extend() [Mirakurun: Server]
16: v8::internal::JsonStringifier::Result v8::internal::JsonStringifier::Serialize_(v8::internal::Handle, bool, v8::internal::Handle) [Mirakurun: Server]
17: v8::internal::JsonStringifier::Result v8::internal::JsonStringifier::Serialize_(v8::internal::Handle, bool, v8::internal::Handle) [Mirakurun: Server]
18: v8::internal::JsonStringifier::SerializeArrayLikeSlow(v8::internal::Handle, unsigned int, unsigned int) [Mirakurun: Server]
19: v8::internal::JsonStringifier::Result v8::internal::JsonStringifier::Serialize_(v8::internal::Handle, bool, v8::internal::Handle) [Mirakurun: Server]
20: v8::internal::JsonStringifier::Stringify(v8::internal::Handle, v8::internal::Handle, v8::internal::Handle) [Mirakurun: Server]
21: v8::internal::Builtin_JsonStringify(int, v8::internal::Object**, v8::internal::Isolate*) [Mirakurun: Server]
22: 0x2c33ba40697d


その時のメモリ使用量グラフ