MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 11/01/00 through 11/30/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 27,448 412,049
2-4 a.m. 16,980 261,898
4-6 a.m. 19,217 277,553
6-8 a.m. 32,020 430,255
8-10 a.m. 55,415 1,194,970
10-12 a.m. 91,080 2,253,292
12-2 p.m. 102,693 2,856,579
2-4 p.m. 106,511 2,945,858
4-6 p.m. 86,445 2,254,732
6-8 p.m. 53,020 1,281,081
8-10 p.m. 41,565 1,035,817
10-12 p.m. 36,049 725,084
__________ _____________ _________________
Total: 668,443 15,929,168
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,191
Davis 331
Irvine 906
Los Angeles 550
Riverside 69
San Diego 168
San Francisco 327
Santa Barbara 242
Santa Cruz 147
Lawrence Berkeley 74
Lawrence Livermore 6
Los Alamos 1
MELWEB 459,415
Searchlight 18,634
Other - UC 4,012
Other-Network UC 182,370
_____
668,443
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 14,460
Davis 6,185
Irvine 4,269
Los Angeles 6,085
Riverside 709
San Diego 6,311
San Francisco 10,247
Santa Barbara 3,024
Santa Cruz 1,214
Lawrence Berkeley 1,003
Lawrence Livermore 28
Los Alamos 3
MELWEB 13,864,355
Searchlight 15,274
Other - UC 58,504
Other-Network UC 1,937,497
_____
15,929,168
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.3
Standard deviation in seconds 6.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 1.0
Standard deviation in seconds 2.5
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 20:16
Average session length (minutes:seconds) 14:57
Longest session recorded (minutes:seconds) 273:45
Average number of searches completed per session 47746
Retrievals per search - median 1.0
Retrievals per search - average 106.0
Retrievals per search - standard deviation 1249.4
Percent of searches completed with 0 results 40.6%
Percent of searches entered that are long 1.8%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 668,443 18.1%
PRESENT 2,712,781 73.5%
INIT or CLOSE 304,818 8.3%
OTHER 6,523 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 152061 15.7% 48,867 32.1% 6 76.3 565.6
CORPORATE AUTHOR 5,545 0.6% 2,557 46.1% 6 406.9 3780.1
EXACT CORP. AUT. 1,013 0.1% 304 30.0% 22 1242.1 7482.2
TITLE WORD 237905 24.6% 91,011 38.3% 4 56.5 312.1
EXACT TITLE 59,897 6.2% 29,197 48.7% 2 34.8 391.7
SUBJECT 180717 18.7% 94,002 52.0% 28 436.5 2685.8
EXACT SUBJECT 17,725 1.8% 4,297 24.2% 14 220.0 1017.5
UNIFORM TITLE 593 0.1% 146 24.6% 3 367.0 1659.7
SERIES 4,111 0.4% 1,115 27.1% 9 148.4 726.6
DATE 11,703 1.2% 3,937 33.6% 13 106.4 704.8
ADDED SINCE 2,562 0.3% 2,353 91.8% 2 53.0 293.1
LANGUAGE 49,800 5.1% 21,033 42.2% 33 473.7 2988.4
LCCN 2,343 0.2% 1,040 44.4% 1 1.6 8.6
ISBN 53,989 5.6% 25,526 47.3% 1 1.5 22.7
ISSN 815 0.1% 730 89.6% 3 108.2 357.1
DLA ID 883 0.1% 9 1.0% 1 1.3 10.1
MUSIC PUBLISHER 98 0.0% 52 53.1% 15 424.8 1255.2
GOV'T DOC NUM 223 0.0% 72 32.3% 1 1.8 6.4
REPORT NUM 54 0.0% 28 51.9% 1 1.2 0.5
STOCK NUM 25 0.0% 0 0.0% 1 292.6 528.3
GPO ITEM NUM 37 0.0% 24 64.9% 669 2107.1 4242.2
FORM 16,404 1.7% 5,904 36.0% 11 246.5 2505.7
MUSIC KEY 3 0.0% 3 100% 0 0.0 0.0
GEO CLASS 4 0.0% 4 100% 0 0.0 0.0
THEMATIC NUMBER 154 0.0% 132 85.7% 3 128.8 369.5
SCALE 1 0.0% 0 0.0% 182 182.0 0.0
AT 132209 13.6% 54,105 40.9% 11 189.3 1219.9
Other indexes 37,959 3.9% 13,587 35.8% 8 442.6 2504.1
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 224,749 33.6% 95,165 42.3% 6 184.8 1506.5
Single 443,694 66.4% 176225 39.7% 6 175.3 1668.1
PRESENT commands, by type:
MARC 37.0%
OPAC 48.1%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)