gistfile1.txt

yajl
```
==================================
  Mode: cpu(1000)
  Samples: 18273 (14.76% miss rate)
  GC: 5962 (32.63%)
==================================
     TOTAL    (pct)     SAMPLES    (pct)     FRAME
     20057 (109.8%)        4698  (25.7%)     Fluent::ElasticsearchOutput#write_objects
      4348  (23.8%)        4348  (23.8%)     Yajl::Encoder.encode
      4716  (25.8%)         365   (2.0%)     Fluent::ElasticsearchOutput#append_record_to_messages
       235   (1.3%)         235   (1.3%)     IO#read_nonblock
       183   (1.0%)         183   (1.0%)     URI::RFC2396_Parser#initialize_regexp
       541   (3.0%)         112   (0.6%)     Fluent::MonitorAgentInput#get_monitor_info
       111   (0.6%)         111   (0.6%)     IO#write_nonblock
       308   (1.7%)         109   (0.6%)     #<Module:0x007f168eaf9320>.labels
        95   (0.5%)          95   (0.5%)     MultiJson::Adapters::Yajl#load
     19008 (104.0%)          85   (0.5%)     Fluent::BufferChunk#msgpack_each
       231   (1.3%)          82   (0.4%)     Excon::Socket#read_nonblock
       296   (1.6%)          79   (0.4%)     Excon::Connection#request_call
       347   (1.9%)          75   (0.4%)     Fluent::ElasticsearchOutput#configure
        62   (0.3%)          62   (0.3%)     #<Module:0x007f168eaf9320>.escape
        61   (0.3%)          61   (0.3%)     Fluent::OutputThread#cond_wait
     10943  (59.9%)          54   (0.3%)     Fluent::OutputThread#run
       154   (0.8%)          51   (0.3%)     Prometheus::Client::Metric#values
        48   (0.3%)          48   (0.3%)     MonitorMixin#mon_enter
       403   (2.2%)          46   (0.3%)     Excon::Response.parse
     10870  (59.5%)          44   (0.2%)     Fluent::BufferedOutput#try_flush
        44   (0.2%)          44   (0.2%)     Fluent::FileBufferChunk#purge
       138   (0.8%)          42   (0.2%)     Excon::Socket#readline
        38   (0.2%)          38   (0.2%)     Excon::Socket#select_with_timeout
        75   (0.4%)          38   (0.2%)     Prometheus::Client::Gauge#set
        35   (0.2%)          35   (0.2%)     URI::RFC3986_Parser#split
        34   (0.2%)          34   (0.2%)     Fluent::BasicBuffer#queue_size
        37   (0.2%)          33   (0.2%)     Prometheus::Client::LabelSetValidator#validate
        31   (0.2%)          31   (0.2%)     #<Module:0x007f168eaf9320>.metric
        24   (0.1%)          24   (0.1%)     Fluent::FileBufferChunk#<<
      1013   (5.5%)          23   (0.1%)     Coolio::Loop#run
```

oj
```
==================================
  Mode: cpu(1000)
  Samples: 19297 (7.00% miss rate)
  GC: 5225 (27.08%)
==================================
     TOTAL    (pct)     SAMPLES    (pct)     FRAME
     18939  (98.1%)        6304  (32.7%)     Fluent::ElasticsearchOutput#write_objects
      2206  (11.4%)        2206  (11.4%)     Fluent::ElasticsearchOutput#append_record_to_messages
      1715   (8.9%)         356   (1.8%)     Fluent::MonitorAgentInput#get_monitor_info
       347   (1.8%)         347   (1.8%)     IO#read_nonblock
       866   (4.5%)         270   (1.4%)     #<Module:0x007fe6f7d34038>.labels
       251   (1.3%)         251   (1.3%)     URI::RFC2396_Parser#initialize_regexp
       201   (1.0%)         201   (1.0%)     #<Module:0x007fe6f7d34038>.escape
       188   (1.0%)         188   (1.0%)     Fluent::OutputThread#cond_wait
       185   (1.0%)         185   (1.0%)     IO#write_nonblock
     11243  (58.3%)         181   (0.9%)     Fluent::OutputThread#run
       468   (2.4%)         156   (0.8%)     Prometheus::Client::Metric#values
     17358  (90.0%)         155   (0.8%)     Fluent::BufferChunk#msgpack_each
       144   (0.7%)         144   (0.7%)     MonitorMixin#mon_enter
       124   (0.6%)         124   (0.6%)     Fluent::BasicBuffer#queue_size
       124   (0.6%)         124   (0.6%)     MultiJson::Adapters::Oj#load
     10970  (56.8%)         123   (0.6%)     Fluent::BufferedOutput#try_flush
       243   (1.3%)         121   (0.6%)     Prometheus::Client::Gauge#set
       481   (2.5%)         113   (0.6%)     Excon::Connection#request_call
       121   (0.6%)         109   (0.6%)     Prometheus::Client::LabelSetValidator#validate
       286   (1.5%)          90   (0.5%)     Excon::Socket#read_nonblock
        83   (0.4%)          83   (0.4%)     #<Module:0x007fe6f7d34038>.metric
        78   (0.4%)          78   (0.4%)     Fluent::FileBufferChunk#purge
      1750   (9.1%)          71   (0.4%)     Fluent::ElasticsearchOutput#send_bulk
        66   (0.3%)          66   (0.3%)     URI::RFC3986_Parser#split
        62   (0.3%)          62   (0.3%)     Excon::Socket#select_with_timeout
       518   (2.7%)          61   (0.3%)     Excon::Response.parse
       660   (3.4%)          59   (0.3%)     #<Module:0x007fe6f7d34038>.representation
       104   (0.5%)          53   (0.3%)     Fluent::PluginClass#lookup_name_from_class
      1895   (9.8%)          48   (0.2%)     Coolio::Loop#run
       193   (1.0%)          44   (0.2%)     Excon::Socket#readline