MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 06/01/00 through 06/30/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 23,720 307,709
2-4 a.m. 13,747 209,861
4-6 a.m. 13,664 195,009
6-8 a.m. 23,515 355,285
8-10 a.m. 44,160 877,489
10-12 a.m. 70,183 1,567,423
12-2 p.m. 69,591 1,721,693
2-4 p.m. 73,376 1,845,656
4-6 p.m. 50,306 1,345,288
6-8 p.m. 31,788 699,080
8-10 p.m. 25,838 569,136
10-12 p.m. 22,086 464,333
__________ _____________ _________________
Total: 461,974 10,157,962
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 2,041
Davis 316
Irvine 1,113
Los Angeles 354
Riverside 23
San Diego 436
San Francisco 105
Santa Barbara 230
Santa Cruz 96
Lawrence Berkeley 15
Lawrence Livermore 7
Los Alamos 0
MELWEB 308,215
Searchlight 10,952
Other - UC 2,141
Other-Network UC 135,930
_____
461,974
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 27,780
Davis 4,597
Irvine 5,234
Los Angeles 5,020
Riverside 181
San Diego 5,277
San Francisco 1,425
Santa Barbara 1,808
Santa Cruz 742
Lawrence Berkeley 115
Lawrence Livermore 113
Los Alamos 0
MELWEB 8,559,706
Searchlight 9,027
Other - UC 36,194
Other-Network UC 1,500,743
_____
10,157,962
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 7.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.9
Standard deviation in seconds 3.0
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 20:31
Average session length (minutes:seconds) 15:53
Longest session recorded (minutes:seconds) 357:43
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 86.5
Retrievals per search - standard deviation 1142.0
Percent of searches completed with 0 results 39.4%
Percent of searches entered that are long 2.0%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 461,974 18.6%
PRESENT 1,826,970 73.6%
INIT or CLOSE 193,004 7.8%
OTHER 1,998 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 125397 19.1% 39,320 31.4% 6 78.4 449.5
CORPORATE AUTHOR 4,510 0.7% 2,022 44.8% 10 474.6 3598.9
EXACT CORP. AUT. 1,650 0.3% 367 22.2% 14 757.2 6479.7
TITLE WORD 177246 27.0% 64,180 36.2% 3 51.7 367.8
EXACT TITLE 52,337 8.0% 24,887 47.6% 2 31.4 333.9
SUBJECT 89,725 13.7% 45,022 50.2% 26 430.6 2921.8
EXACT SUBJECT 10,562 1.6% 2,397 22.7% 14 243.6 1333.6
UNIFORM TITLE 372 0.1% 97 26.1% 2 481.4 2755.6
SERIES 2,827 0.4% 871 30.8% 13 123.2 686.5
DATE 8,102 1.2% 2,504 30.9% 12 124.3 1562.5
ADDED SINCE 3,802 0.6% 3,574 94.0% 2 39.5 283.3
LANGUAGE 26,825 4.1% 11,167 41.6% 31 420.0 2694.5
LCCN 2,139 0.3% 815 38.1% 1 1.4 1.2
ISBN 34,202 5.2% 21,532 63.0% 1 1.2 11.5
ISSN 519 0.1% 460 88.6% 11 83.0 177.5
DLA ID 348 0.1% 3 0.9% 1 1.0 0.0
MUSIC PUBLISHER 98 0.0% 52 53.1% 6 50.8 177.9
GOV'T DOC NUM 107 0.0% 42 39.3% 1 1.3 0.6
REPORT NUM 27 0.0% 20 74.1% 1 1.3 0.5
STOCK NUM 17 0.0% 0 0.0% 1 94.7 209.5
GPO ITEM NUM 22 0.0% 15 68.2% 807 4009.6 5699.6
FORM 12,418 1.9% 4,205 33.9% 9 201.8 2057.3
MUSIC KEY 1 0.0% 1 100% 0 0.0 0.0
GEO CLASS 2 0.0% 1 50.0% 138 138.0 0.0
THEMATIC NUMBER 112 0.0% 105 93.8% 4 15.3 32.1
SCALE 7 0.0% 5 71.4% 1 1.0 0.0
AT 76,568 11.7% 29,972 39.1% 9 159.9 926.9
Other indexes 25,447 3.9% 8,094 31.8% 5 175.1 1478.7
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 146,775 31.8% 59,263 40.4% 5 142.7 1277.1
Single 315,199 68.2% 122912 39.0% 6 142.8 1542.5
PRESENT commands, by type:
MARC 40.6%
OPAC 42.2%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)