MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 04/21/01 through 04/27/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,288 18,672
2-4 a.m. 1,079 6,003
4-6 a.m. 1,012 6,054
6-8 a.m. 1,873 16,506
8-10 a.m. 4,040 67,892
10-12 a.m. 7,580 160,890
12-2 p.m. 8,392 160,858
2-4 p.m. 8,713 176,593
4-6 p.m. 7,021 147,345
6-8 p.m. 4,723 65,360
8-10 p.m. 3,199 60,853
10-12 p.m. 2,657 31,998
__________ _____________ _________________
Total: 52,577 919,024
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 0
Davis 0
Irvine 107
Los Angeles 0
Riverside 0
San Diego 1
San Francisco 1
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 36,452
Searchlight 3,601
Other - UC 562
Other-Network UC 11,853
_____
52,577
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 0
Irvine 374
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 7
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 889,013
Searchlight 0
Other - UC 5,974
Other-Network UC 23,656
_____
919,024
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 1.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.5
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:10
Average session length (minutes:seconds) 15:51
Longest session recorded (minutes:seconds) 227:11
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 69.6
Retrievals per search - standard deviation 913.5
Percent of searches completed with 0 results 41.3%
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 52,577 20.1%
PRESENT 179,375 68.5%
INIT or CLOSE 29,872 11.4%
OTHER 78 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 TITLE23,573 38.9% 9,506 40.3% 5 188.7 1643.7
EXACT PE TITLE 11,491 19.0% 2,819 24.5% 2 24.3 384.3
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 1,490 2.5% 1,348 90.5% 3 26.7 97.9
CORP AUTHOR 2,102 3.5% 1,790 85.2% 9 83.7 282.9
EXACT CORP AUTH 139 0.2% 44 31.7% 6 148.9 297.8
SUBJECT 5,692 9.4% 3,515 61.8% 14 289.5 1207.9
EXACT SUBJECT 454 0.8% 176 38.8% 7 366.2 1793.3
SERIES 78 0.1% 63 80.8% 6 45.5 71.5
EXACT SERIES 7 0.0% 3 42.9% 1 19.5 37.0
CODEN 64 0.1% 17 26.6% 1 1.3 0.6
ISBN 3,365 5.6% 3,365 100% 0 0.0 0.0
LCCN 148 0.2% 134 90.5% 1 1.2 0.4
ISSN 5,769 9.5% 527 9.1% 1 1.7 1.2
INDEXED BY 4 0.0% 4 100% 0 0.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 129 0.2% 124 96.1% 1 14.8 21.5
GOV'T DOC NUM 6 0.0% 6 100% 0 0.0 0.0
REPORT NUM 2 0.0% 2 100% 0 0.0 0.0
STOCK NUM 5 0.0% 5 100% 0 0.0 0.0
GPO ITEM NUM 3 0.0% 3 100% 0 0.0 0.0
AT 5,874 9.7% 1,685 28.7% 3 51.6 398.7
RPE 75 0.1% 50 66.7% 4 28.4 76.3
RXPE 24 0.0% 16 66.7% 3 7.0 11.1
Other indexes 32 0.1% 23 71.9% 857 1044.8 837.1
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 7,715 14.7% 3,278 42.5% 2 49.6 387.8
Single 44,862 85.3% 18,445 41.1% 3 130.1 1275.9
PRESENT commands, by type:
MARC 30.2%
OPAC 20.5%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)