MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 05/11/02 through 05/17/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,574 22,291
2-4 a.m. 1,633 14,869
4-6 a.m. 1,482 8,528
6-8 a.m. 2,869 16,926
8-10 a.m. 6,985 80,136
10-12 a.m. 12,256 171,327
12-2 p.m. 12,105 155,632
2-4 p.m. 13,259 199,348
4-6 p.m. 9,951 150,634
6-8 p.m. 6,224 84,890
8-10 p.m. 4,168 61,136
10-12 p.m. 3,252 45,537
__________ _____________ _________________
Total: 76,758 1,011,254
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 3
Davis 2
Irvine 0
Los Angeles 0
Riverside 0
San Diego 4
San Francisco 0
Santa Barbara 0
Santa Cruz 2
Lawrence Berkeley 6
Lawrence Livermore 0
Los Alamos 0
MELWEB 58,464
Searchlight 2,211
Other - UC 375
Other-Network UC 15,691
_____
76,758
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 59
Davis 63
Irvine 0
Los Angeles 0
Riverside 0
San Diego 310
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 973,857
Searchlight 0
Other - UC 2,988
Other-Network UC 33,977
_____
1,011,254
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.1
Standard deviation in seconds 3.1
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) 20:01
Average session length (minutes:seconds) 17:08
Longest session recorded (minutes:seconds) 168:52
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 42.5
Retrievals per search - standard deviation 738.9
Percent of searches completed with 0 results 33.6%
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 76,758 20.6%
PRESENT 244,245 65.6%
INIT or CLOSE 51,506 13.8%
OTHER 87 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 TITLE26,354 30.6% 11,194 42.5% 5 150.8 1563.6
EXACT PE TITLE 12,928 15.0% 2,658 20.6% 2 27.5 384.7
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 2,035 2.4% 1,690 83.0% 17 15.0 16.0
CORP AUTHOR 3,336 3.9% 3,014 90.3% 8 146.7 688.4
EXACT CORP AUTH 108 0.1% 23 21.3% 18 201.5 335.5
SUBJECT 5,246 6.1% 3,337 63.6% 13 238.6 907.4
EXACT SUBJECT 414 0.5% 108 26.1% 8 421.9 1993.2
SERIES 50 0.1% 40 80.0% 7 148.4 342.0
EXACT SERIES 8 0.0% 3 37.5% 6 76.2 129.5
CODEN 20 0.0% 9 45.0% 1 1.5 0.9
ISBN 4,237 4.9% 4,232 99.9% 1 153.2 339.2
LCCN 521 0.6% 506 97.1% 1 1.2 0.4
ISSN 23,797 27.6% 1,187 5.0% 1 1.7 1.1
INDEXED BY 4 0.0% 4 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 131 0.2% 129 98.5% 26 26.0 35.4
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 2 0.0% 2 100% 0 0.0 0.0
GPO ITEM NUM 0 0.0% 0 0.0% 0 0.0 0.0
AT 6,811 7.9% 2,015 29.6% 2 35.6 328.1
RPE 70 0.1% 51 72.9% 3 32.5 79.9
RXPE 20 0.0% 15 75.0% 4 9.0 9.6
Other indexes 32 0.0% 23 71.9% 66 1353.3 2420.4
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 9,168 11.9% 4,282 46.7% 2 37.9 346.8
Single 67,590 88.1% 21,502 31.8% 2 66.7 946.0
PRESENT commands, by type:
MARC 33.1%
OPAC 24.2%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)