topic Understanding and Improving FeatureLayer (editing session) - Browser interactions in ArcGIS JavaScript Maps SDK Questions https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/understanding-and-improving-featurelayer-editing/m-p/554711#M51727 <HTML><HEAD></HEAD><BODY><P>I have been working on an editing application&nbsp;and I would like to understand (due to performance concerns) how the server/services interact with the browser. The FeatureLayers I am using are in On Demand mode.</P><P></P><P>In the browser console, Network tab, I am looking at objects are downloaded by my browser, along with other information on size and time. When I am at the viewable scale, there are these XMLHttpRequest objects, about 300-400 bytes long. In one particular application, I have <SPAN>200 of them. Most of them</SPAN>&nbsp;usually seem identical except for the geometry (xmin, xmax, ymin, ymax). They don't have any features in them. I suppose these are some type of queries, is that the case? Why does the browser receive these?</P><P></P><P>Then there are the&nbsp;<SPAN>XMLHttpRequest objects with the features' information. <SPAN style="text-decoration: underline;">All these objects are downloaded by the browser even if I am viewing an area without any of the features</SPAN> (e.g. middle of the ocean). They are small objects (again, about 300-400 bytes long), however, they take sometimes up to a second.&nbsp;</SPAN>Also the editor works slower. For example, the line appears half a second after I click for editing for a line feature, and the attribute editor shows significantly later after I finish the geometry editing by double clicking. Is there a way to optimize browser interaction? Are there best practices?</P><P></P><P>Thanks</P></BODY></HTML> Wed, 19 Apr 2017 18:38:56 GMT NaciDilekli 2017-04-19T18:38:56Z Understanding and Improving FeatureLayer (editing session) - Browser interactions https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/understanding-and-improving-featurelayer-editing/m-p/554711#M51727 <HTML><HEAD></HEAD><BODY><P>I have been working on an editing application&nbsp;and I would like to understand (due to performance concerns) how the server/services interact with the browser. The FeatureLayers I am using are in On Demand mode.</P><P></P><P>In the browser console, Network tab, I am looking at objects are downloaded by my browser, along with other information on size and time. When I am at the viewable scale, there are these XMLHttpRequest objects, about 300-400 bytes long. In one particular application, I have <SPAN>200 of them. Most of them</SPAN>&nbsp;usually seem identical except for the geometry (xmin, xmax, ymin, ymax). They don't have any features in them. I suppose these are some type of queries, is that the case? Why does the browser receive these?</P><P></P><P>Then there are the&nbsp;<SPAN>XMLHttpRequest objects with the features' information. <SPAN style="text-decoration: underline;">All these objects are downloaded by the browser even if I am viewing an area without any of the features</SPAN> (e.g. middle of the ocean). They are small objects (again, about 300-400 bytes long), however, they take sometimes up to a second.&nbsp;</SPAN>Also the editor works slower. For example, the line appears half a second after I click for editing for a line feature, and the attribute editor shows significantly later after I finish the geometry editing by double clicking. Is there a way to optimize browser interaction? Are there best practices?</P><P></P><P>Thanks</P></BODY></HTML> Wed, 19 Apr 2017 18:38:56 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/understanding-and-improving-featurelayer-editing/m-p/554711#M51727 NaciDilekli 2017-04-19T18:38:56Z