MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 10/01/99 through 10/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 22,011 394,748
2-4 a.m. 14,302 202,220
4-6 a.m. 13,859 195,760
6-8 a.m. 23,117 384,372
8-10 a.m. 48,870 1,152,223
10-12 a.m. 89,861 2,280,737
12-2 p.m. 100,087 2,844,114
2-4 p.m. 106,491 2,983,414
4-6 p.m. 79,805 2,281,383
6-8 p.m. 47,490 1,193,169
8-10 p.m. 37,440 1,009,369
10-12 p.m. 27,290 651,135
__________ _____________ _________________
Total: 610,623 15,572,644
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 744
Davis 363
Irvine 1,725
Los Angeles 436
Riverside 26
San Diego 175
San Francisco 111
Santa Barbara 208
Santa Cruz 186
Lawrence Berkeley 108
Lawrence Livermore 87
Los Alamos 5
MELWEB 167,028
Other - UC 307,329
Other-Network UC 132,092
_____
610,623
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 9,471
Davis 3,606
Irvine 10,064
Los Angeles 4,555
Riverside 380
San Diego 1,754
San Francisco 1,094
Santa Barbara 2,593
Santa Cruz 1,731
Lawrence Berkeley 714
Lawrence Livermore 647
Los Alamos 2
MELWEB 4,835,547
Other - UC 9,079,835
Other-Network UC 1,620,651
_____
15,572,644
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.4
Standard deviation in seconds 9.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.8
Standard deviation in seconds 2.3
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 21:01
Average session length (minutes:seconds) 17:57
Longest session recorded (minutes:seconds) 336:40
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 126.1
Retrievals per search - standard deviation 1976.9
Percent of searches completed with 0 results 38.6%
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 610,623 17.4%
PRESENT 2,674,608 76.2%
INIT or CLOSE 220,294 6.3%
OTHER 2,337 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 158391 16.9% 47,045 29.7% 6 78.2 482.7
CORPORATE AUTHOR 5,546 0.6% 2,615 47.1% 10 671.6 7927.7
EXACT CORP. AUT. 1,083 0.1% 262 24.2% 24 810.8 4804.5
TITLE WORD 211604 22.6% 70,606 33.4% 3 59.3 468.9
EXACT TITLE 59,332 6.3% 27,455 46.3% 2 37.0 401.1
SUBJECT 164687 17.6% 80,168 48.7% 30 480.7 4454.9
EXACT SUBJECT 19,052 2.0% 4,392 23.1% 15 222.7 901.9
UNIFORM TITLE 1,221 0.1% 342 28.0% 4 178.5 1220.1
SERIES 3,881 0.4% 1,086 28.0% 12 144.7 487.8
DATE 12,229 1.3% 3,848 31.5% 16 298.6 3794.7
ADDED SINCE 1,218 0.1% 1,021 83.8% 2 66.0 546.7
LANGUAGE 52,848 5.6% 21,849 41.3% 32 448.0 2980.6
LCCN 3,301 0.4% 1,836 55.6% 1 1.2 1.2
ISBN 31,193 3.3% 21,127 67.7% 1 1.2 11.7
ISSN 652 0.1% 575 88.2% 6 32.6 79.0
DLA ID 10 0.0% 8 80.0% 1 1.0 0.0
MUSIC PUBLISHER 116 0.0% 66 56.9% 17 200.9 797.2
GOV'T DOC NUM 196 0.0% 71 36.2% 1 1.3 0.6
REPORT NUM 65 0.0% 33 50.8% 1 1.2 0.5
STOCK NUM 23 0.0% 1 4.3% 1 225.7 448.2
GPO ITEM NUM 33 0.0% 24 72.7% 180 922.8 1392.6
FORM 24,300 2.6% 8,094 33.3% 9 228.4 2617.2
MUSIC KEY 13 0.0% 3 23.1% 48 608.8 1693.2
GEO CLASS 3 0.0% 0 0.0% 11 3325.0 5740.9
THEMATIC NUMBER 330 0.0% 281 85.1% 6 71.9 134.2
SCALE 8 0.0% 3 37.5% 8 11.4 13.7
AT 146769 15.7% 54,412 37.1% 9 172.6 1099.0
Other indexes 38,558 4.1% 14,077 36.5% 10 457.4 2430.2
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 234,521 38.4% 89,138 38.0% 6 179.2 1365.9
Single 376,102 61.6% 146657 39.0% 8 222.0 3031.8
PRESENT commands, by type:
MARC 39.4%
OPAC 42.8%