MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 05/05/01 through 05/11/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,162 18,729
2-4 a.m. 1,024 10,505
4-6 a.m. 1,035 6,876
6-8 a.m. 1,892 20,641
8-10 a.m. 3,859 65,336
10-12 a.m. 7,089 140,343
12-2 p.m. 7,874 149,513
2-4 p.m. 8,710 173,341
4-6 p.m. 6,641 130,941
6-8 p.m. 4,339 73,164
8-10 p.m. 3,133 47,535
10-12 p.m. 2,405 35,315
__________ _____________ _________________
Total: 50,163 872,239
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 95
Los Angeles 0
Riverside 0
San Diego 1
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 4
Los Alamos 0
MELWEB 35,893
Searchlight 3,107
Other - UC 322
Other-Network UC 10,741
_____
50,163
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 254
Los Angeles 0
Riverside 0
San Diego 4
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 7
Los Alamos 0
MELWEB 853,037
Searchlight 0
Other - UC 2,356
Other-Network UC 16,581
_____
872,239
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 1.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.3
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:08
Average session length (minutes:seconds) 15:57
Longest session recorded (minutes:seconds) 223:40
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 63.1
Retrievals per search - standard deviation 866.9
Percent of searches completed with 0 results 39.7%
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 50,163 19.8%
PRESENT 174,070 68.6%
INIT or CLOSE 29,305 11.6%
OTHER 103 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 TITLE22,485 38.5% 9,057 40.3% 5 155.0 1385.0
EXACT PE TITLE 11,111 19.0% 2,657 23.9% 2 38.6 916.4
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 1,548 2.7% 1,410 91.1% 3 26.9 106.9
CORP AUTHOR 2,347 4.0% 2,010 85.6% 6 151.0 656.6
EXACT CORP AUTH 98 0.2% 34 34.7% 4 59.3 163.0
SUBJECT 4,963 8.5% 3,050 61.5% 13 330.0 1439.5
EXACT SUBJECT 436 0.7% 153 35.1% 8 372.9 2645.2
SERIES 51 0.1% 48 94.1% 2 4.7 4.6
EXACT SERIES 7 0.0% 4 57.1% 59 40.3 32.3
CODEN 37 0.1% 9 24.3% 1 1.5 0.9
ISBN 2,612 4.5% 2,609 99.9% 9 7.0 3.5
LCCN 101 0.2% 89 88.1% 1 1.0 0.0
ISSN 6,284 10.8% 570 9.1% 1 1.7 1.2
INDEXED BY 11 0.0% 8 72.7% 283 227.7 95.8
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 138 0.2% 135 97.8% 1 17.3 28.3
GOV'T DOC NUM 9 0.0% 8 88.9% 53 53.0 0.0
REPORT NUM 2 0.0% 2 100% 0 0.0 0.0
STOCK NUM 3 0.0% 3 100% 0 0.0 0.0
GPO ITEM NUM 3 0.0% 3 100% 0 0.0 0.0
AT 6,006 10.3% 1,667 27.8% 2 45.5 360.9
RPE 64 0.1% 47 73.4% 7 444.2 1439.9
RXPE 33 0.1% 24 72.7% 7 37.6 66.4
Other indexes 37 0.1% 23 62.2% 15 300.9 811.2
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 7,987 15.9% 3,473 43.5% 2 56.0 701.8
Single 42,176 84.1% 16,462 39.0% 3 113.2 1172.2
PRESENT commands, by type:
MARC 30.3%
OPAC 20.8%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)