STOW RS Upload performance measurements No of objects per request

Overview

Enable to send several hundreds or thousands of DICOM files to STOW-RS server by splitting them into several http requests sent over one TCP connection.

Upload performance measurements have been done for total number of files sent to server starting from 1 upto 3000 with(-out) using different limits for different types of modality objects.

• Limits used for the tests

  Limit	Description
  -	No Limit specified : Send all files in one HTTP multipart request
  5	Limit 5 DICOM files per HTTP multipart request in one TCP connection
  10	Limit 10 DICOM files per HTTP multipart request in one TCP connection
  50	Limit 50 DICOM files per HTTP multipart request in one TCP connection
  100	Limit 100 DICOM files per HTTP multipart request in one TCP connection

• Modality objects data used in tests

  Modality Type	Size per object
  MR	513.3KB
  CT	1.9MB
  CR	5.9MB
  DX	11MB

• Number of files upload performance measurements

• Number of files upload performance measurements : Modality wise data

• Number of files upload performance measurements : Data sent to server - Limits vs MB/s

Number of files upload performance measurements

Start stowrsd tool acting as STOW-RS server

stowrsd -b 8080 --ignore

1. No Limit specified

   Invoke STOW RS service as

   stowrs --url http://localhost:8080/dcm4chee-arc/aets/DCM4CHEE/rs/studies /path-to-DICOM-files
   

   

2. Limit 5

   Invoke STOW RS service specifying a limit as

   stowrs --limit 5 --url http://localhost:8080/dcm4chee-arc/aets/DCM4CHEE/rs/studies /path-to-DICOM-files
   

   

3. Limit 10

   Invoke STOW RS service specifying a limit as

   stowrs --limit 10 --url http://localhost:8080/dcm4chee-arc/aets/DCM4CHEE/rs/studies /path-to-DICOM-files
   

   

4. Limit 50

   Invoke STOW RS service specifying a limit as

   stowrs --limit 50 --url http://localhost:8080/dcm4chee-arc/aets/DCM4CHEE/rs/studies /path-to-DICOM-files
   

   

5. Limit 100

   Invoke STOW RS service specifying a limit as

   stowrs --limit 100 --url http://localhost:8080/dcm4chee-arc/aets/DCM4CHEE/rs/studies /path-to-DICOM-files
   

   

Number of files upload performance measurements : Modality wise data

1. MR modality objects : Per object size 513.3 KB

   

2. CT modality objects : Per object size 1.9 MB

   

3. CR modality objects : Per object size 5.9 MB

   

4. DX modality objects : Per object size 11 MB

   

Number of files upload performance measurements : Data sent to server - Limits vs MB/s

Following graphs give brief overview of number of files limited in each STOW HTTP request vs MB/s for 3 sets of total data of various modality types sent to server :

• 1000 MB total data sent to server

  

• 1500 MB total data sent to server

  

• 2000 MB total data sent to server