MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 02/01/02 through 02/28/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 26,924 391,405
2-4 a.m. 20,267 244,856
4-6 a.m. 20,886 228,527
6-8 a.m. 38,005 489,079
8-10 a.m. 66,445 1,352,516
10-12 a.m. 98,629 2,463,158
12-2 p.m. 103,001 2,958,901
2-4 p.m. 102,542 2,948,354
4-6 p.m. 75,650 2,170,867
6-8 p.m. 45,512 1,217,744
8-10 p.m. 35,525 906,675
10-12 p.m. 30,420 675,769
__________ _____________ _________________
Total: 663,806 16,047,851
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,307
Davis 546
Irvine 517
Los Angeles 562
Riverside 64
San Diego 92
San Francisco 57
Santa Barbara 459
Santa Cruz 159
Lawrence Berkeley 179
Lawrence Livermore 781
Los Alamos 0
MELWEB 434,107
Searchlight 15,158
Other - UC 2,157
Other-Network UC 207,661
_____
663,806
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 13,790
Davis 5,454
Irvine 3,913
Los Angeles 13,477
Riverside 246
San Diego 1,069
San Francisco 399
Santa Barbara 3,296
Santa Cruz 1,599
Lawrence Berkeley 3,776
Lawrence Livermore 6,840
Los Alamos 0
MELWEB 13,900,038
Searchlight 5,170
Other - UC 34,451
Other-Network UC 2,054,333
_____
16,047,851
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.8
Standard deviation in seconds 6.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 2.2
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) 275:11
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 91.2
Retrievals per search - standard deviation 1388.7
Percent of searches completed with 0 results 39.3%
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 663,806 17.7%
PRESENT 2,783,850 74.2%
INIT or CLOSE 301,875 8.0%
OTHER 3,512 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 155899 16.6% 50,332 32.3% 6 69.6 405.5
CORPORATE AUTHOR 4,653 0.5% 2,091 44.9% 9 311.5 2895.3
EXACT CORP. AUT. 1,037 0.1% 224 21.6% 19 770.7 4477.5
TITLE WORD 250138 26.6% 90,501 36.2% 4 64.1 510.5
EXACT TITLE 67,745 7.2% 31,691 46.8% 2 31.8 265.8
SUBJECT 145546 15.5% 72,718 50.0% 28 477.7 3641.2
EXACT SUBJECT 16,325 1.7% 3,533 21.6% 16 249.5 1299.4
UNIFORM TITLE 501 0.1% 118 23.6% 3 425.1 2285.2
SERIES 3,939 0.4% 1,140 28.9% 13 119.6 515.1
DATE 10,673 1.1% 3,530 33.1% 11 170.3 2174.4
ADDED SINCE 4,272 0.5% 4,073 95.3% 2 56.0 376.6
LANGUAGE 39,013 4.2% 16,011 41.0% 35 538.8 3788.4
LCCN 4,762 0.5% 1,234 25.9% 1 1.2 1.7
ISBN 60,761 6.5% 29,988 49.4% 1 1.8 42.7
ISSN 2,658 0.3% 2,432 91.5% 3 26.4 134.1
DLA ID 851 0.1% 4 0.5% 1 1.0 0.0
MUSIC PUBLISHER 228 0.0% 111 48.7% 2 21.7 102.8
GOV'T DOC NUM 186 0.0% 52 28.0% 1 2.1 9.8
REPORT NUM 62 0.0% 42 67.7% 1 12.3 37.3
STOCK NUM 21 0.0% 1 4.8% 1 224.5 486.9
GPO ITEM NUM 43 0.0% 29 67.4% 140 3928.4 7420.7
FORM 14,799 1.6% 4,792 32.4% 10 217.4 1800.3
MUSIC KEY 5 0.0% 3 60.0% 390 390.0 543.1
GEO CLASS 10 0.0% 4 40.0% 7 15.2 19.2
THEMATIC NUMBER 92 0.0% 80 87.0% 4 32.0 68.6
SCALE 20 0.0% 7 35.0% 6 51.8 124.3
AT 117330 12.5% 48,650 41.5% 10 188.2 1073.7
Other indexes 38,203 4.1% 12,620 33.0% 7 198.8 1478.9
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 212,457 32.0% 87,138 41.0% 5 189.8 1579.0
Single 451,349 68.0% 173934 38.5% 5 132.6 1863.9
PRESENT commands, by type:
MARC 36.1%
OPAC 49.7%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)