MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 07/28/01 through 08/03/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 914 12,409
2-4 a.m. 675 6,746
4-6 a.m. 1,021 5,172
6-8 a.m. 1,672 12,408
8-10 a.m. 3,747 64,455
10-12 a.m. 6,131 135,359
12-2 p.m. 5,788 142,283
2-4 p.m. 6,077 149,610
4-6 p.m. 3,862 75,863
6-8 p.m. 1,796 42,638
8-10 p.m. 962 17,128
10-12 p.m. 761 16,372
__________ _____________ _________________
Total: 33,406 680,443
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1
Davis 3
Irvine 58
Los Angeles 2
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3
Searchlight 0
Other - UC 24,093
Other-Network UC 9,246
_____
33,406
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 30
Irvine 127
Los Angeles 9
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 38
Searchlight 0
Other - UC 663,434
Other-Network UC 16,805
_____
680,443
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.2
Standard deviation in seconds 5.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.2
2.0 PERIODICALS Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 20:13
Average session length (minutes:seconds) 15:54
Longest session recorded (minutes:seconds) 489:32
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 82.3
Retrievals per search - standard deviation 937.8
Percent of searches completed with 0 results 41.7%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 33,406 18.5%
PRESENT 129,927 71.8%
INIT or CLOSE 17,654 9.8%
OTHER 28 0.0%
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:
PERIODICAL TITLE16,100 42.0% 6,990 43.4% 5 233.4 1653.0
EXACT PE TITLE 8,070 21.0% 1,792 22.2% 2 35.0 522.7
RELATED PE TITLE 0 0.0% 0 0.0% 0 0.0 0.0
EXACT RELATED PE 0 0.0% 0 0.0% 0 0.0 0.0
PERSONAL AUTHOR 1,269 3.3% 1,160 91.4% 4 76.0 233.1
CORP AUTHOR 2,463 6.4% 2,207 89.6% 9 118.1 611.6
EXACT CORP AUTH 107 0.3% 39 36.4% 13 108.4 238.5
SUBJECT 2,020 5.3% 1,288 63.8% 14 384.2 1474.2
EXACT SUBJECT 221 0.6% 80 36.2% 9 486.5 2145.6
SERIES 35 0.1% 29 82.9% 3 5.2 5.2
EXACT SERIES 5 0.0% 2 40.0% 9 91.3 149.6
CODEN 22 0.1% 6 27.3% 1 1.1 0.3
ISBN 1,731 4.5% 1,729 99.9% 3 2.5 0.7
LCCN 334 0.9% 323 96.7% 1 1.0 0.0
ISSN 3,117 8.1% 237 7.6% 1 2.0 23.6
INDEXED BY 1 0.0% 1 100% 0 0.0 0.0
DLA ID 1 0.0% 0 0.0% 1 1.0 0.0
LOCAL NUM 1 0.0% 1 100% 0 0.0 0.0
GOV'T DOC NUM 5 0.0% 5 100% 0 0.0 0.0
REPORT NUM 1 0.0% 1 100% 0 0.0 0.0
STOCK NUM 2 0.0% 2 100% 0 0.0 0.0
GPO ITEM NUM 1 0.0% 0 0.0% 47 47.0 0.0
AT 2,819 7.3% 596 21.1% 2 29.3 185.3
RPE 26 0.1% 11 42.3% 29 189.3 416.3
RXPE 13 0.0% 9 69.2% 5 38.5 69.7
Other indexes 12 0.0% 11 91.7% 3,423 3423.0 0.0
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 4,887 14.6% 2,529 51.7% 2 29.1 182.1
Single 28,519 85.4% 11,392 39.9% 3 156.5 1303.7
PRESENT commands, by type:
MARC 30.0%
OPAC 18.9%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)