MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 05/26/01 through 06/01/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,395 21,290
2-4 a.m. 1,053 13,011
4-6 a.m. 859 8,593
6-8 a.m. 1,678 15,977
8-10 a.m. 3,380 59,838
10-12 a.m. 6,068 131,986
12-2 p.m. 6,896 118,978
2-4 p.m. 8,072 148,840
4-6 p.m. 5,726 106,472
6-8 p.m. 3,281 48,612
8-10 p.m. 2,745 49,400
10-12 p.m. 2,050 34,639
__________ _____________ _________________
Total: 43,203 757,636
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 2
Davis 0
Irvine 46
Los Angeles 1
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 32,400
Searchlight 3,031
Other - UC 133
Other-Network UC 7,590
_____
43,203
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 16
Davis 0
Irvine 60
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 744,527
Searchlight 0
Other - UC 843
Other-Network UC 12,190
_____
757,636
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 1.4
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) 20:03
Average session length (minutes:seconds) 15:44
Longest session recorded (minutes:seconds) 259:02
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 82.0
Retrievals per search - standard deviation 938.1
Percent of searches completed with 0 results 38.4%
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 43,203 19.8%
PRESENT 148,516 68.2%
INIT or CLOSE 26,099 12.0%
OTHER 47 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 TITLE19,642 39.0% 7,855 40.0% 5 241.2 1710.7
EXACT PE TITLE 9,372 18.6% 2,094 22.3% 2 19.3 216.4
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 1,739 3.5% 1,595 91.7% 2 25.7 197.7
CORP AUTHOR 1,844 3.7% 1,547 83.9% 10 64.6 182.9
EXACT CORP AUTH 84 0.2% 42 50.0% 10 99.7 202.4
SUBJECT 4,845 9.6% 3,064 63.2% 12 272.9 1150.0
EXACT SUBJECT 367 0.7% 118 32.2% 7 154.0 1063.0
SERIES 28 0.1% 23 82.1% 5 67.2 140.3
EXACT SERIES 15 0.0% 3 20.0% 6 46.3 97.0
CODEN 15 0.0% 8 53.3% 1 7.1 15.0
ISBN 1,415 2.8% 1,415 100% 0 0.0 0.0
LCCN 22 0.0% 22 100% 0 0.0 0.0
ISSN 5,631 11.2% 452 8.0% 1 1.6 0.9
INDEXED BY 3 0.0% 3 100% 0 0.0 0.0
DLA ID 2 0.0% 2 100% 0 0.0 0.0
LOCAL NUM 2 0.0% 1 50.0% 51 51.0 0.0
GOV'T DOC NUM 11 0.0% 11 100% 0 0.0 0.0
REPORT NUM 1 0.0% 1 100% 0 0.0 0.0
STOCK NUM 7 0.0% 5 71.4% 26 26.0 35.4
GPO ITEM NUM 1 0.0% 1 100% 0 0.0 0.0
AT 5,204 10.3% 1,573 30.2% 3 47.1 374.8
RPE 88 0.2% 66 75.0% 5 88.0 188.1
RXPE 35 0.1% 20 57.1% 2 10.9 15.5
Other indexes 27 0.1% 23 85.2% 39 39.0 43.9
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 6,988 16.2% 3,167 45.3% 2 45.8 366.3
Single 36,215 83.8% 13,428 37.1% 3 147.7 1279.3
PRESENT commands, by type:
MARC 30.8%
OPAC 21.3%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)