授業での使用時のArcGIS Onlineの動作が遅い

Question

<\/HEAD>クラス全体がArcGIS Onlineを使用しているときに動作が遅くなるのに気づいている人はいますか？私は60〜80人の学部生が同じ演習を進めており、つまり全員が同じ入力データに対して同じ操作を行っています。バッファ処理に10分以上、場合によってはそれ以上かかることがあり、私が演習を設定したときは1分未満でした。ご想像の通り、これは非常にフラストレーションがたまり、学生たちが将来的にこのサービスの使用を避ける原因になっています。<\/P> <\/P> これは既知の問題でしょうか？そして、もっと重要なことに、速度を上げるためにできることはありますか？<\/P> <\/P> 学生に分析処理を実行する前に入力レイヤーのコピーを保存させてみましたが、効果はないようです。<\/P><\/BODY><\/HTML>

PaulHolloway1 · Answer

Katy - did you ever figure this out? I'm seeing a similar thing...

KatyAppleton1 · Answer

Apologies for the delayed reply due to the festive break. I raised it with Esri UK support who said much the same. From subsequent classes it does seem to be a local network inadequacy, as a couple of students running their own laptops at the same time, using the wireless network, saw no slowdown. Only those using lab desktop machines on the wired network were affected.

I will pursue with our local IT, but I expect more questions from them about the typical traffic generated, which UK support have not answered. What I am not sure about is the traffic flow for running something like a buffer. I (naively) assumed it was something like: the command is sent from the local machine, the tool runs on a server somewhere using the input also held in the cloud, creates the output in the cloud and then that output is delivered back to the local user. In that situation the only network traffic is sending the command and receiving the output, which seems trivial (the layers are very simple), so I don't understand the slowdown. There must be more to it?

I'm happy to accept it's not an AGOL limitation, but it would still be useful to know if anyone else has experienced the same and seen it resolved through network infrastructure improvements.

DouglasCochran · Answer

We have not typically seen this reported and ArcGIS Online averages tens of thousands of users an hour. It could be something within your internal infrastructure? Let's investigate this further by contacting Esri technical support.