MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 01/01/00 through 01/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 19,980 292,686
2-4 a.m. 14,149 160,411
4-6 a.m. 12,956 122,040
6-8 a.m. 20,641 260,196
8-10 a.m. 44,594 995,412
10-12 a.m. 79,468 1,965,454
12-2 p.m. 87,027 2,458,814
2-4 p.m. 92,900 2,712,739
4-6 p.m. 70,186 1,893,124
6-8 p.m. 40,045 973,696
8-10 p.m. 29,827 769,055
10-12 p.m. 24,669 549,571
__________ _____________ _________________
Total: 536,442 13,153,198
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 385
Davis 452
Irvine 1,651
Los Angeles 251
Riverside 29
San Diego 98
San Francisco 187
Santa Barbara 65
Santa Cruz 174
Lawrence Berkeley 159
Lawrence Livermore 12
Los Alamos 1
MELWEB 404,507
Other - UC 2,477
Other-Network UC 125,994
_____
536,442
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 6,200
Davis 6,926
Irvine 9,695
Los Angeles 3,213
Riverside 312
San Diego 2,220
San Francisco 1,279
Santa Barbara 6,096
Santa Cruz 3,134
Lawrence Berkeley 5,257
Lawrence Livermore 128
Los Alamos 26
MELWEB 12,052,246
Other - UC 45,700
Other-Network UC 1,010,766
_____
13,153,198
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.2
Standard deviation in seconds 9.0
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) 20:48
Average session length (minutes:seconds) 17:22
Longest session recorded (minutes:seconds) 293:06
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 94.5
Retrievals per search - standard deviation 1173.2
Percent of searches completed with 0 results 39.0%
Percent of searches entered that are long 1.7%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 536,442 17.5%
PRESENT 2,332,798 75.9%
INIT or CLOSE 199,258 6.5%
OTHER 3,731 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 149862 18.6% 43,841 29.3% 5 70.9 546.4
CORPORATE AUTHOR 5,748 0.7% 2,450 42.6% 6 331.0 2988.7
EXACT CORP. AUT. 930 0.1% 218 23.4% 20 923.1 5044.7
TITLE WORD 199121 24.7% 67,000 33.6% 3 49.8 320.3
EXACT TITLE 55,509 6.9% 24,949 44.9% 2 33.5 248.8
SUBJECT 117879 14.6% 56,873 48.2% 31 433.9 2258.1
EXACT SUBJECT 14,827 1.8% 3,126 21.1% 14 238.0 1124.4
UNIFORM TITLE 1,120 0.1% 241 21.5% 2 147.7 1373.3
SERIES 4,190 0.5% 1,028 24.5% 6 97.8 870.3
DATE 9,211 1.1% 2,708 29.4% 17 327.5 4734.2
ADDED SINCE 4,068 0.5% 3,882 95.4% 2 51.2 325.2
LANGUAGE 38,073 4.7% 15,412 40.5% 33 451.0 2887.8
LCCN 2,889 0.4% 1,751 60.6% 1 1.6 9.4
ISBN 43,322 5.4% 32,896 75.9% 1 1.2 11.6
ISSN 526 0.1% 469 89.2% 3 19.6 37.9
DLA ID 2 0.0% 1 50.0% 1 1.0 0.0
MUSIC PUBLISHER 138 0.0% 70 50.7% 3 39.5 177.8
GOV'T DOC NUM 115 0.0% 36 31.3% 1 1.4 0.6
REPORT NUM 51 0.0% 23 45.1% 1 33.1 129.2
STOCK NUM 16 0.0% 1 6.3% 2 384.0 566.6
GPO ITEM NUM 19 0.0% 11 57.9% 78 856.3 1734.6
FORM 18,375 2.3% 6,003 32.7% 9 209.7 2762.3
MUSIC KEY 10 0.0% 4 40.0% 37 37.0 34.2
GEO CLASS 10 0.0% 4 40.0% 18 111.2 156.2
THEMATIC NUMBER 168 0.0% 139 82.7% 7 51.8 82.4
SCALE 13 0.0% 7 53.8% 4 126.0 299.3
AT 115327 14.3% 42,217 36.6% 9 158.8 1119.3
Other indexes 24,207 3.0% 7,158 29.6% 5 151.2 1408.4
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 196,385 36.6% 73,805 37.6% 5 153.3 1340.9
Single 340,057 63.4% 135608 39.9% 7 156.1 1587.0
PRESENT commands, by type:
MARC 38.8%
OPAC 43.3%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)