MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 02/17/01 through 02/23/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,255 17,457
2-4 a.m. 708 11,150
4-6 a.m. 584 5,169
6-8 a.m. 1,243 17,556
8-10 a.m. 3,190 62,180
10-12 a.m. 6,704 127,744
12-2 p.m. 7,845 165,007
2-4 p.m. 8,696 184,984
4-6 p.m. 6,125 122,518
6-8 p.m. 3,055 60,997
8-10 p.m. 2,466 55,807
10-12 p.m. 2,114 35,667
__________ _____________ _________________
Total: 43,985 866,236
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 57
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 33,318
Searchlight 3,244
Other - UC 447
Other-Network UC 6,917
_____
43,985
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 56
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 841,716
Searchlight 0
Other - UC 4,141
Other-Network UC 20,323
_____
866,236
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.3
Standard deviation in seconds 2.2
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) 20:26
Average session length (minutes:seconds) 16:34
Longest session recorded (minutes:seconds) 191:58
Average number of searches completed per session 43985
Retrievals per search - median 1.0
Retrievals per search - average 92.9
Retrievals per search - standard deviation 1266.1
Percent of searches completed with 0 results 39.5%
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 43,985 19.5%
PRESENT 159,513 70.6%
INIT or CLOSE 22,110 9.8%
OTHER 323 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:
PERIODICAL TITLE21,537 40.6% 7,775 36.1% 5 206.8 1970.9
EXACT PE TITLE 10,810 20.4% 2,491 23.0% 2 56.1 1183.9
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 1,238 2.3% 1,117 90.2% 2 9.1 17.6
CORP AUTHOR 2,031 3.8% 1,677 82.6% 7 153.5 1103.1
EXACT CORP AUTH 114 0.2% 32 28.1% 7 101.0 288.8
SUBJECT 5,475 10.3% 3,396 62.0% 12 311.2 1424.4
EXACT SUBJECT 477 0.9% 156 32.7% 6 227.9 1209.3
SERIES 84 0.2% 72 85.7% 20 65.9 93.1
EXACT SERIES 12 0.0% 7 58.3% 5 19.8 28.8
CODEN 12 0.0% 8 66.7% 1 1.0 0.0
ISBN 1,648 3.1% 1,645 99.8% 3 3.0 0.0
LCCN 237 0.4% 225 94.9% 1 1.2 0.4
ISSN 1,806 3.4% 145 8.0% 1 1.7 2.2
INDEXED BY 8 0.0% 8 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 109 0.2% 104 95.4% 1 1.0 0.0
GOV'T DOC NUM 8 0.0% 8 100% 0 0.0 0.0
REPORT NUM 15 0.0% 15 100% 0 0.0 0.0
STOCK NUM 3 0.0% 3 100% 0 0.0 0.0
GPO ITEM NUM 2 0.0% 2 100% 0 0.0 0.0
AT 7,188 13.6% 1,959 27.3% 2 44.4 352.8
RPE 136 0.3% 93 68.4% 5 88.3 193.7
RXPE 31 0.1% 20 64.5% 5 25.5 49.1
Other indexes 26 0.0% 19 73.1% 483 1027.9 1146.4
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 8,736 19.9% 3,359 38.4% 2 47.4 398.3
Single 35,249 80.1% 14,018 39.8% 3 180.5 1807.1
PRESENT commands, by type:
MARC 29.0%
OPAC 21.7%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)