It seems that it is not as easy as originally appeared - precisely error handling and handling failed writes needs some work. My results for akka-io-remote compared to netty3
I use code posted some time ago on this list (//source https://gist.github.com/ibalashov/381f323ca976c3364c84) just because I could find it, not because it is great: sending 300k messages Netty3: lut 22, 2016 10:20:56 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@31e0809d 10000: 10000, last batch throughput: 1815.5410312273057 lut 22, 2016 10:20:56 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@3f2778d1 10000: 10000, last batch throughput: 1815.2114721365037 lut 22, 2016 10:20:56 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@3b18ebed 10000: 10000, last batch throughput: 1815.5410312273057 lut 22, 2016 10:20:56 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@7e1a72ea 10000: 10000, last batch throughput: 1814.5527127563055 lut 22, 2016 10:20:56 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@4bcbe1dc 10000: 10000, last batch throughput: 1814.2235123367198 lut 22, 2016 10:20:56 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@4faee984 10000: 10000, last batch throughput: 1814.2235123367198 lut 22, 2016 10:20:56 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@3395241f 10000: 10000, last batch throughput: 1814.2235123367198 lut 22, 2016 10:20:56 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@1e358da5 10000: 10000, last batch throughput: 1814.2235123367198 lut 22, 2016 10:20:57 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@31e0809d 20000: 20000, last batch throughput: 14749.262536873155 lut 22, 2016 10:20:57 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@3f2778d1 20000: 20000, last batch throughput: 14749.262536873155 lut 22, 2016 10:20:57 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@3b18ebed 20000: 20000, last batch throughput: 14792.899408284024 lut 22, 2016 10:20:57 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@7e1a72ea 20000: 20000, last batch throughput: 14814.814814814816 lut 22, 2016 10:20:57 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@4bcbe1dc 20000: 20000, last batch throughput: 14792.899408284024 lut 22, 2016 10:20:57 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@4faee984 20000: 20000, last batch throughput: 14814.814814814816 lut 22, 2016 10:20:57 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@3395241f 20000: 20000, last batch throughput: 14792.899408284024 lut 22, 2016 10:20:57 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@1e358da5 20000: 20000, last batch throughput: 14792.899408284024 lut 22, 2016 10:20:57 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@31e0809d 30000: 30000, last batch throughput: 12642.225031605562 lut 22, 2016 10:20:57 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@3f2778d1 30000: 30000, last batch throughput: 12642.225031605562 lut 22, 2016 10:20:57 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@3b18ebed 30000: 30000, last batch throughput: 12642.225031605562 lut 22, 2016 10:20:57 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@7e1a72ea 30000: 30000, last batch throughput: 12642.225031605562 lut 22, 2016 10:20:57 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@4bcbe1dc 30000: 30000, last batch throughput: 12642.225031605562 lut 22, 2016 10:20:57 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@4faee984 30000: 30000, last batch throughput: 12658.227848101265 lut 22, 2016 10:20:57 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@3395241f 30000: 30000, last batch throughput: 12642.225031605562 lut 22, 2016 10:20:57 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@1e358da5 30000: 30000, last batch throughput: 12658.227848101265 RemoteIO: lut 22, 2016 10:25:16 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@124e4b42 10000: 10000, last batch throughput: 1716.4435290078957 lut 22, 2016 10:25:16 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@1c89a77b 10000: 10000, last batch throughput: 1715.8544955387783 lut 22, 2016 10:25:16 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@18b62032 10000: 10000, last batch throughput: 1715.56013038257 lut 22, 2016 10:25:16 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@5db4ad40 10000: 10000, last batch throughput: 1715.56013038257 lut 22, 2016 10:25:16 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@3d40e9ef 10000: 10000, last batch throughput: 1716.4435290078957 lut 22, 2016 10:25:16 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@6ca33343 10000: 10000, last batch throughput: 1716.7381974248929 lut 22, 2016 10:25:16 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@45bd2955 10000: 10000, last batch throughput: 1716.4435290078957 lut 22, 2016 10:25:16 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@3d9b520f 10000: 10000, last batch throughput: 1714.3836790673752 lut 22, 2016 10:25:17 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@3d9b520f 20000: 20000, last batch throughput: 10548.523206751055 lut 22, 2016 10:25:17 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@124e4b42 20000: 20000, last batch throughput: 10493.17943336831 lut 22, 2016 10:25:17 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@1c89a77b 20000: 20000, last batch throughput: 10493.17943336831 lut 22, 2016 10:25:17 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@18b62032 20000: 20000, last batch throughput: 10482.18029350105 lut 22, 2016 10:25:17 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@5db4ad40 20000: 20000, last batch throughput: 10482.18029350105 lut 22, 2016 10:25:17 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@3d40e9ef 20000: 20000, last batch throughput: 10471.204188481675 lut 22, 2016 10:25:17 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@6ca33343 20000: 20000, last batch throughput: 10482.18029350105 lut 22, 2016 10:25:17 PM akkatest.MeasureInBatches$class measure INFO: akkatest.TestSystem$ActorB@45bd2955 20000: 20000, last batch throughput: 10482.18029350105 .. and fails -- >>>>>>>>>> Read the docs: http://akka.io/docs/ >>>>>>>>>> Check the FAQ: >>>>>>>>>> http://doc.akka.io/docs/akka/current/additional/faq.html >>>>>>>>>> Search the archives: 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