MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 04/01/01 through 04/30/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 31,921 408,231
2-4 a.m. 20,149 256,359
4-6 a.m. 21,947 242,810
6-8 a.m. 38,816 450,816
8-10 a.m. 62,270 1,036,588
10-12 a.m. 96,107 2,021,467
12-2 p.m. 100,576 2,422,428
2-4 p.m. 99,647 2,474,703
4-6 p.m. 77,974 1,905,977
6-8 p.m. 50,564 1,103,038
8-10 p.m. 37,706 866,782
10-12 p.m. 31,791 641,682
__________ _____________ _________________
Total: 669,468 13,830,881
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,321
Davis 501
Irvine 816
Los Angeles 337
Riverside 94
San Diego 164
San Francisco 169
Santa Barbara 239
Santa Cruz 100
Lawrence Berkeley 123
Lawrence Livermore 12
Los Alamos 1
MELWEB 430,220
Searchlight 15,751
Other - UC 4,270
Other-Network UC 215,350
_____
669,468
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 13,238
Davis 6,040
Irvine 8,516
Los Angeles 5,795
Riverside 621
San Diego 2,073
San Francisco 797
Santa Barbara 3,619
Santa Cruz 3,164
Lawrence Berkeley 1,041
Lawrence Livermore 269
Los Alamos 33
MELWEB 11,893,857
Searchlight 6,697
Other - UC 40,498
Other-Network UC 1,844,623
_____
13,830,881
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.1
Standard deviation in seconds 7.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.7
Standard deviation in seconds 1.6
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 0.0
Average session length (minutes:seconds) 0.0
Longest session recorded (minutes:seconds) 339:08
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 91.5
Retrievals per search - standard deviation 1175.7
Percent of searches completed with 0 results 40.4%
Percent of searches entered that are long 1.5%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 669,468 19.5%
PRESENT 2,453,436 71.4%
INIT or CLOSE 305,866 8.9%
OTHER 5,910 0.2%
SEARCHes completed: RETRIEVALS PER NON-
TOTAL ZERO RESULTS ZERO RESULT SEARCHES
_____________ ______________ ______________________
% of % of
all all for Std.
No. SEARCHes No. Index Median Avg. Dev.
______ _________ ______ _______ ______ __________ _______
By index:
PERSONAL AUTHOR 154238 16.1% 48,301 31.3% 6 64.7 361.3
CORPORATE AUTHOR 5,135 0.5% 2,350 45.8% 9 432.0 4917.9
EXACT CORP. AUT. 1,001 0.1% 228 22.8% 20 718.5 4297.7
TITLE WORD 274733 28.7% 107684 39.2% 3 52.8 341.7
EXACT TITLE 62,534 6.5% 30,315 48.5% 2 40.2 805.4
SUBJECT 152104 15.9% 80,604 53.0% 27 466.3 2999.6
EXACT SUBJECT 15,237 1.6% 3,320 21.8% 14 222.8 936.4
UNIFORM TITLE 537 0.1% 102 19.0% 3 325.8 1359.6
SERIES 3,689 0.4% 1,084 29.4% 11 150.6 631.6
DATE 11,625 1.2% 3,921 33.7% 11 112.7 1485.2
ADDED SINCE 1,753 0.2% 1,497 85.4% 2 36.1 314.6
LANGUAGE 38,970 4.1% 15,949 40.9% 37 509.1 3011.2
LCCN 5,785 0.6% 1,856 32.1% 1 1.4 4.0
ISBN 53,814 5.6% 29,256 54.4% 1 2.6 97.8
ISSN 924 0.1% 829 89.7% 6 104.3 363.8
DLA ID 1,179 0.1% 7 0.6% 1 1.0 0.2
MUSIC PUBLISHER 349 0.0% 123 35.2% 3 27.8 193.3
GOV'T DOC NUM 176 0.0% 52 29.5% 1 1.3 0.6
REPORT NUM 61 0.0% 28 45.9% 1 1.2 0.4
STOCK NUM 27 0.0% 1 3.7% 1 392.3 1399.8
GPO ITEM NUM 26 0.0% 20 76.9% 376 1192.2 1896.8
FORM 15,013 1.6% 5,028 33.5% 10 191.3 1658.8
MUSIC KEY 1 0.0% 0 0.0% 4,320 4320.0 0.0
GEO CLASS 5 0.0% 2 40.0% 1 39959.0 69209.3
THEMATIC NUMBER 100 0.0% 90 90.0% 6 13.5 14.6
SCALE 24 0.0% 3 12.5% 3 134.7 427.1
AT 107383 11.2% 41,974 39.1% 9 176.8 1020.0
Other indexes 51,060 5.3% 19,563 38.3% 5 229.8 1294.9
RETRIEVALS PER NON-
TOTAL ZERO RESULTS ZERO RESULT SEARCHES
_____________ ______________ ______________________
% of % of
all all for Std.
No. SEARCHes No. Index Median Avg. Dev.
______ _________ ______ _______ ______ __________ _______
By number of indexes:
Multiple 226,837 33.9% 97,474 43.0% 5 160.3 1332.7
Single 442,631 66.1% 173191 39.1% 5 150.4 1602.4
PRESENT commands, by type:
MARC 38.5%
OPAC 45.5%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)