Performance is a way of quantifying the speed and efficiency of programs.

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ESRI geodatabase, Oracle spatial performance

We are storing data in a Geodatabase on Oracle 11g using Oracle Spatial with SDO_Geometry, and then consuming that using ArcGIS server 10.2.1. The performance is very slow, because we are talking ...
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23 views

Why a severe performance difference using deleteSearchedRows

The issue I am having involves two versioned tables. A function deletes 48 rows from Table A and and 48 rows from Table B using deleteSearchedRows. However, the delete from Table A takes roughly 4 ...
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49 views

How to fix the possible memory leak issue in Openlayers 2.13.1 version?

Recently we have upgraded the Openlayers from version 2.12 to 2.13.1. However the performance of the new version is not that promising, infact it has degraded exponentially. I have a draggable model ...
4
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2answers
128 views

How to transfer attributes to thousands of local points from ArcSDE feature class with millions of polygons?

I have a set of points and a huge feature class with topographic information (OS MasterMap for who knows it). I'm talking millions of polygons huge. I want to transfer attributes of the polygons to ...
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1answer
40 views

Why can't I perform any operation over a 700MB MIF file containing 5 multipolygons? It takes forever

I'm trying to work with a MIF file containing 5 really big multipolygons, but every operation I try takes hours, or just crash because of memory issues. Mainly using ogr2ogr, to transform MIF file to ...
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2answers
99 views

Compacting ESRI file geodatabases…good practice?

Is there a way to quantify the effect of compacting your ESRI file geodatabase(s) on editing performance? I currently use ArcInfo(10.0). I have a 769 MB fgdb that holds my most used/edited datalayers ...
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0answers
9 views

Forcing Hash Join Query Plans using PostGIS

I'm currently testing PostGIS 2.0 in a Greenplum Appliance (Postgres 8.2 based) and have hit an incompatibility between PostGIS and the MPP Greenplum environment. The basic query below can't be ...
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1answer
41 views

JS/browser API library to show/interact with many markers with the best performance?

What's the best Javascript library that can show about 50000 (and more) clickable markers without resorting to things like clustering markers,etc? The markers are clickable and I want to associate ...
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2answers
76 views

spatial database vs spatial datastructure?

I am building an automated system that has to process several hundred spatial queries in the form of a polygon every day. The queries have to return both spatial and nonspatial data from different ...
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1answer
120 views

Which plugin can draw topoJson right within Leaflet without conversion?

I already have asked how to reduce file size and increase performance for publishing spatial data on the web using Leaflet, here. A conversion to TopoJSON has reduced the file size by approximately ...
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2answers
60 views

Fastest Way to Interset Envelope with Multiple Feature Classes ArcObjects

I have the situation where I am doing a large number of intersections and I need to do them fast. The situation is I have a iMap with 1 or more layers and a series of envelopes, lots of envelopes. I ...
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24 views

Geoserver lock itself , performance problem

when 10-15 users use my wms layers, geoserver doesn't give response, or i hava tiledmap and when i zoom in and same level geoserver doesn't give any response so image is not appear. Is there any ...
2
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1answer
59 views

ArcMap lagging when I use the measure tool

ArcMap is lagging when I click the measure tool, my data isn't particularly big (biggest .shp is ~150mb) and my PC is brand new. Any idea what may be causing this?
0
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1answer
32 views

Debug/Improve Performance of GRASS v.in.ogr

I'm trying to import shapefiles (in this case, OpenStreetMap data) into GRASS (grass70-svn) using v.in.ogr; and it is painfully, brutally slow. At first I thought this was because I was using the ...
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0answers
74 views

Why is arcpy.mapping.ConvertWebMapToMapDocument slow?

We use arcpy.mapping for print tasks. The slowest part in workflow is arcpy.mapping function ConvertWebMapToMapDocument; it takes 10-12 seconds each time, doesn't matter if map is big or not. We use ...
3
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3answers
83 views

How to speed up redrawing of layers (from shapefiles) in MXD? [duplicate]

How do I speed up the process of redrawing layers in a MXD? I have already tried reloading and indexing the layers. The layers were created from shapefiles.
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1answer
125 views

Leaflet.geojson webpage performance out of hand, how to convert to .png?

I exported some countries as a single .geojson file. The file includes every country's vertices and coordinates, as that's what a .geojson is ─ a vector file. Thing is, there are about 20 countries ...
2
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1answer
84 views

How to refresh layers independently?

I'm writing a C++ application using QGIS API and I would like to improve the performance. I want to render 5 layers: one raster layer using gdal to load Bing/Google Map tiles 4 custom QgsMapLayer ...
2
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1answer
93 views

deploying geoserver on linux or windows: performance implications?

I am deploying my first geoserver in production. I develop on a Macbook Pro retina, and my client uses Windows, so I deploy on Windows servers. My first impression was that geoserver seemed a lot ...
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0answers
91 views

How to understand output of ArcGIS System Monitor?

We had some performance issues with our enterprise ArcGIS server application, in this regard I have installed ArcGIS System Monitor v1.0.9. After installing and configuring the site, they are several ...
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0answers
46 views

How to improve performance in ArcGIS Javascript API?

I created a webgis using ArcGIS Javascript API . I used dynamic map service layer with two layer in my map.I don't use 3D symbol and the symbology of layers are simple but when i run the project,I ...
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0answers
67 views

ArcMap: Append is really slow

I'm writing a Python script for ArcGIS 9.3.1 which is supposed to do the following: Create a new feature class in local FGDB Loop over a set of IDs (~40,000) Select features from an Oracle GDB with ...
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176 views

Feature Layer performance improvement

I have create a application where we show world map using arcgis .Here user does lot of interaction with map he click on the map or we highlight map programmatically so i want to improve performance ...
5
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1answer
116 views

PostGIS Optimization - Group spatially close entities physically on disk

I'm working on my first PostGIS database and was hoping to find some performance gains for live rendering. I'm rendering a map directly from a PostGIS (9.1, 2.0) db that contains an import of OSM ...
3
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1answer
119 views

How to Speed Up ArcGIS 10.1 for Desktop Generating Near Table on Polygon Feature Classes?

I am trying to create a near table to link two datasets. The first consists of the outlines of about 1.8 million buildings, the second a 3 meter buffer around these buildings, which as been merged ...
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156 views

ArcGIS 10.1 & SQL Server 2012

We currently updated to SQL Server 2012 and now we are encountering a slower performance when connecting to the geodatabase on SQL Server 2012. Here are the things that we tried to fix the issue: - ...
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1answer
86 views

Is Postgres and Disk IO limiting pgRoutings performance?

I am doing this Q&A style because I have done my google research and I could not find any thrustworthy and 'benchmarked' data. So I did it myself. CPU vs DISK as 'the limitting' factor on ...
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3answers
247 views

How can I improve the performance and start-up time of arcgis 10.x?

ArcGIS 10.0 take about 3 minutes to start. ESRI recommends doing these steps (http://support.esri.com/cn/knowledgebase/techarticles/detail/31672) but does not explain the consequences or adverse ...
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38 views

Is there a way to constrain an FME.exe to certain amount of RAM?

If I have FME Desktop running on a workstation with a large amount of RAM (e.g. 128 GB), is there a way to constrain an FME.exe process to a certain amount of RAM (e.g. 48GB)? This question is ...
2
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1answer
104 views

Is there an optimum RAM configuration to use for FME Desktop?

I have a couple of workstations with 32GB RAM where fme.exe processes often exceed 25GB, if its available. And I'm looking to possibly add a 3rd workstation. I noticed in an FME2014 beta build some ...
7
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3answers
373 views

ArcGIS 10.2 Query Layer on SQL Server performance

I'm using a Query Layer on SQL Server in ArcMap. The Query Layer executes instantly in in SQL Server but but takes so long to draw in ArcMap that the system appears unresponsive for about 10 minutes ...
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2answers
168 views

How to Select By Attribute and Select By Location simultaneously?

Is there an existing tool that would allow to select by attribute and location simultaneously (or near simultaneously) in ArcGIS 10.0+? Assume the data is stored in a file geodatabase, but could be ...
3
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1answer
154 views

IO Performance of ArcPy in virtual machine

The following script just copies a file into RAM, performs some simple operations and writes the result back to hard disc: import arcpy import random import time arcpy.management.Delete("in_memory") ...
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44 views

Why is the performance of ogr methods different on different OS?

This question actually comes forth from an earlier question of mine . A short introduction. I was writing a program that performs near analysis and creates buffers for a set of points. On my Linux ...
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0answers
72 views

Why might ArcPy, TableToTable, MakeQueryTable and ArcSDE have performance issue in IDLE?

I have written a Python script tool to do: Make Query Table Table To Table (with fieldmapping). The code is nothing more than arcpy.MakeQueryTable("table1;table2;table3", ...
2
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0answers
153 views

Does SVG offer better performance than plain HTML to render text labels in Leaflet? [closed]

I'm using Leaflet built-in L.DivIcon to add text labels to my map. Text labels are rendered in simple HTML divs and can be rotated and scaled using CSS based on values obtained from geojson data ...
2
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2answers
108 views

Openlayer is very slow when using WKT Multipolygon with a large number of Points

I'm showing the boundaries of cyprus regions using openlayers with vector layer, I get the coords from a shapefile which has a lot of points, for instance some regions can have a multipolygon with in ...
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2answers
93 views

Python ogr: why is GetFeatureCount() so slow?

I did some profiling for a program I wrote and discovered that ogr's layer.GetFeatureCount() is significantly slower than just using python's BIF len(). Here are my test results def test(): ...
2
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1answer
120 views

How applications like Global Mapper, ArcMap and ArcScene support showing high resolution geotiff images?

Considering my question in Game Developement: How to create textures of big images in opengl (bigger than the MAX_TEXTURE_SIZE) it seems that, there's no way to show an image bigger than the ...
0
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3answers
277 views

Python: best practise to ceate a large shapefile

What is the best approach to create a create a very large shapefile (close to the max of 2GB) using python? Best approach means: robust and fast. Above all fast.
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2answers
186 views

Convert .tiff data to bitmap just when rendering and at runtime by visualC++ code

I need to convert a .tiff image to a bitmap one without saving the bitmap. I know that I should use GDAL_translate but because I'm new, this function's interface is a little complicated for me. Could ...
5
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3answers
162 views

Do Label Expressions Slow Down Drawing Speed?

Further to my earlier question about using different fonts on the same PC, I am wondering if label expressions would slow down drawing speed for a MXD? Here is my label expression: def FindLabel ( ...
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1answer
150 views

Do any of the SQL Server 2008 R2 SP 2 cumulative updates contain the MAXDOP spatial index fix?

I am troubleshooting ArcGIS 10.1 performance issues with SQL Server 2008 R2 SP 2 (10.50.4000) and the issue appears to be this MAXDOP issue: ...
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5answers
209 views

Installing ArcGIS 10.1 on SQL Server 2008 R2 Cluster

We're running into some performance issues when accessing large enterprise geodatabases on a SQL Server 2008 R2 cluster. The database itself performs well and returns queries fine but presenting the ...
2
votes
1answer
405 views

ArcGIS Server 10.1 Map Service Not Using Maximum Instances

I'm running a stress test tool that's simulating 10 concurrent requests for an ArcGIS Server 10.1 (Windows) Map Service. I have the Map Server set to use a maximum pool of 4 instances. I'm not using ...
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2answers
127 views

Performance of Postgres VIEW published in GeoServer

Does anyone know what will be the performance difference between publishing a spatial table directly vs. creating a view of the same table and publishing it in GeoServer? Does the spatial index on a ...
2
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1answer
202 views

Solution for slow display of postgis-tables ? (qgis 1.8 + postgis 2.x)

I have the problem that my postgres-tables are displayed very slow when I scroll them in QGIS. I have no problem with other tested GIS (e.g. UDig, GVSig, ArcGIS). The number of objects isn't large ...
2
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1answer
80 views

How to make Properties > Change Symbol > Symbol Selector > Edit Symbol dialog loading faster?

Is there any way to tweak ArcMap to make the loading of the Symbol Selector and Symbol Editor dialogs faster? I have a lot of symbols in my style files and I want to keep it that way since it is ...
8
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1answer
147 views

Difference between python window and toolbox

Are there differences in performance or other potentially critical area between running a python script in the python window versus running it from the toolbox in ArcGIS 10.0? I am asking in cases ...
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2answers
1k views

Speeding Up ArcGIS, redrawing sooooo slow!

I just updated ArcGIS to 10.1 and it is so slow. When I load my template mxds they can take 30 plus seconds. And if I have to change the view it's another 30 seconds. Does anyone have any ideas ...