MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 08/01/99 through 08/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 11,150 207,001
2-4 a.m. 12,677 87,376
4-6 a.m. 7,806 81,699
6-8 a.m. 14,545 242,664
8-10 a.m. 30,592 732,443
10-12 a.m. 48,101 1,169,796
12-2 p.m. 47,038 1,271,640
2-4 p.m. 49,727 1,405,053
4-6 p.m. 34,727 975,048
6-8 p.m. 18,774 399,265
8-10 p.m. 13,801 255,725
10-12 p.m. 12,670 295,574
__________ _____________ _________________
Total: 301,608 7,123,284
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,175
Davis 208
Irvine 1,634
Los Angeles 670
Riverside 39
San Diego 184
San Francisco 194
Santa Barbara 49
Santa Cruz 110
Lawrence Berkeley 59
Lawrence Livermore 3
Los Alamos 0
MELWEB 205,548
Other - UC 3,326
Other-Network UC 88,409
_____
301,608
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 10,721
Davis 1,231
Irvine 10,030
Los Angeles 15,858
Riverside 532
San Diego 1,975
San Francisco 2,812
Santa Barbara 464
Santa Cruz 778
Lawrence Berkeley 1,147
Lawrence Livermore 74
Los Alamos 0
MELWEB 6,168,252
Other - UC 50,478
Other-Network UC 858,932
_____
7,123,284
1.3 Response time
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Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.1
Standard deviation in seconds 7.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.6
Standard deviation in seconds 1.7
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 20:47
Average session length (minutes:seconds) 17:17
Longest session recorded (minutes:seconds) 482:47
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 83.1
Retrievals per search - standard deviation 1215.2
Percent of searches completed with 0 results 38.7%
Percent of searches entered that are long 1.4%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 301,608 18.0%
PRESENT 1,261,365 75.1%
INIT or CLOSE 113,417 6.8%
OTHER 2,459 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 84,894 20.4% 25,742 30.3% 6 69.5 530.2
CORPORATE AUTHOR 3,506 0.8% 1,580 45.1% 10 392.7 3455.4
EXACT CORP. AUT. 489 0.1% 128 26.2% 26 531.6 2464.4
TITLE WORD 116647 28.0% 40,379 34.6% 3 52.3 429.3
EXACT TITLE 33,428 8.0% 15,441 46.2% 2 33.5 340.2
SUBJECT 52,990 12.7% 26,196 49.4% 28 456.1 3530.6
EXACT SUBJECT 6,611 1.6% 1,414 21.4% 13 239.7 1732.2
UNIFORM TITLE 352 0.1% 51 14.5% 3 265.6 1758.2
SERIES 1,896 0.5% 494 26.1% 14 122.2 392.7
DATE 5,346 1.3% 1,559 29.2% 15 194.8 1737.1
ADDED SINCE 633 0.2% 522 82.5% 2 201.9 983.8
LANGUAGE 16,254 3.9% 6,774 41.7% 33 388.4 2091.1
LCCN 1,572 0.4% 731 46.5% 1 3.3 59.2
ISBN 25,371 6.1% 17,476 68.9% 1 1.7 26.1
ISSN 409 0.1% 374 91.4% 16 50.3 110.9
DLA ID 18 0.0% 13 72.2% 1 1.0 0.0
MUSIC PUBLISHER 117 0.0% 54 46.2% 4 312.1 1537.7
GOV'T DOC NUM 89 0.0% 44 49.4% 1 1.3 0.6
REPORT NUM 82 0.0% 55 67.1% 1 42.0 125.0
STOCK NUM 11 0.0% 0 0.0% 1 42.0 136.0
GPO ITEM NUM 25 0.0% 17 68.0% 56 281.8 396.6
FORM 9,201 2.2% 2,793 30.4% 8 203.9 1984.5
MUSIC KEY 17 0.0% 7 41.2% 6 8.7 9.6
GEO CLASS 0 0.0% 0 0.0% 0 0.0 0.0
THEMATIC NUMBER 91 0.0% 81 89.0% 7 123.6 271.3
SCALE 9 0.0% 2 22.2% 131 1047.9 1495.6
AT 38,923 9.3% 14,528 37.3% 9 159.8 914.5
Other indexes 17,380 4.2% 5,631 32.4% 5 144.9 1170.9
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 89,358 29.6% 34,971 39.1% 4 137.2 1134.0
Single 212,250 70.4% 81,787 38.5% 6 134.8 1693.4
PRESENT commands, by type:
MARC 42.2%
OPAC 37.7%