MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 11/01/01 through 11/30/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 32,277 523,582
2-4 a.m. 24,871 314,408
4-6 a.m. 25,115 288,291
6-8 a.m. 38,948 486,077
8-10 a.m. 65,536 1,271,457
10-12 a.m. 102,677 2,510,225
12-2 p.m. 109,917 2,998,138
2-4 p.m. 112,020 3,336,666
4-6 p.m. 93,306 2,458,248
6-8 p.m. 57,487 1,375,354
8-10 p.m. 43,411 1,088,295
10-12 p.m. 41,597 834,658
__________ _____________ _________________
Total: 747,162 17,485,399
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,379
Davis 814
Irvine 834
Los Angeles 742
Riverside 28
San Diego 275
San Francisco 84
Santa Barbara 468
Santa Cruz 199
Lawrence Berkeley 158
Lawrence Livermore 678
Los Alamos 4
MELWEB 0
Searchlight 0
Other - UC 499,626
Other-Network UC 241,873
_____
747,162
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 18,615
Davis 5,549
Irvine 8,290
Los Angeles 6,443
Riverside 210
San Diego 2,498
San Francisco 699
Santa Barbara 4,202
Santa Cruz 2,119
Lawrence Berkeley 1,807
Lawrence Livermore 3,429
Los Alamos 2
MELWEB 0
Searchlight 0
Other - UC 15,161,989
Other-Network UC 2,269,547
_____
17,485,399
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 7.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.6
Standard deviation in seconds 2.0
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) 298:16
Average number of searches completed per session 14369
Retrievals per search - median 1.0
Retrievals per search - average 99.0
Retrievals per search - standard deviation 1099.9
Percent of searches completed with 0 results 39.4%
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 747,162 18.2%
PRESENT 3,019,085 73.5%
INIT or CLOSE 334,738 8.2%
OTHER 4,921 0.1%
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 163412 15.0% 53,406 32.7% 6 72.0 452.1
CORPORATE AUTHOR 4,712 0.4% 2,087 44.3% 11 725.8 5912.7
EXACT CORP. AUT. 1,124 0.1% 224 19.9% 18 872.8 5324.8
TITLE WORD 278015 25.5% 105252 37.9% 4 92.5 822.0
EXACT TITLE 66,299 6.1% 32,235 48.6% 2 33.9 371.9
SUBJECT 184235 16.9% 94,302 51.2% 30 478.1 2405.0
EXACT SUBJECT 18,949 1.7% 4,170 22.0% 16 244.9 1164.5
UNIFORM TITLE 524 0.0% 122 23.3% 2 270.7 1838.6
SERIES 3,835 0.4% 905 23.6% 10 114.5 388.9
DATE 11,787 1.1% 3,869 32.8% 12 122.7 2289.3
ADDED SINCE 5,149 0.5% 4,921 95.6% 2 87.2 672.1
LANGUAGE 49,283 4.5% 20,722 42.0% 35 459.3 2392.4
LCCN 9,205 0.8% 1,713 18.6% 1 1.5 2.2
ISBN 79,352 7.3% 32,742 41.3% 1 1.9 45.1
ISSN 1,599 0.1% 1,477 92.4% 4 15.4 34.3
DLA ID 585 0.1% 1 0.2% 1 1.0 0.0
MUSIC PUBLISHER 383 0.0% 120 31.3% 3 32.5 279.1
GOV'T DOC NUM 229 0.0% 54 23.6% 1 1.7 3.4
REPORT NUM 74 0.0% 38 51.3% 1 149.3 670.9
STOCK NUM 23 0.0% 2 8.7% 1 157.7 428.5
GPO ITEM NUM 34 0.0% 20 58.8% 336 2556.5 5708.8
FORM 16,493 1.5% 5,490 33.3% 11 225.5 2412.3
MUSIC KEY 20 0.0% 8 40.0% 8 91.4 160.6
GEO CLASS 26 0.0% 5 19.2% 5 7.0 6.3
THEMATIC NUMBER 148 0.0% 124 83.8% 10 411.5 1229.5
SCALE 30 0.0% 5 16.7% 5 10.0 13.0
AT 138652 12.7% 58,511 42.2% 11 188.9 1032.3
Other indexes 55,793 5.1% 21,976 39.4% 9 380.7 1976.4
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 251,875 33.7% 107375 42.6% 6 215.1 1457.5
Single 495,287 66.3% 187054 37.8% 4 139.2 1385.5
PRESENT commands, by type:
MARC 36.2%
OPAC 50.2%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)