MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 10/20/01 through 10/26/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,334 31,168
2-4 a.m. 1,218 10,342
4-6 a.m. 1,202 9,424
6-8 a.m. 2,265 27,067
8-10 a.m. 5,177 78,796
10-12 a.m. 8,527 152,265
12-2 p.m. 9,004 147,556
2-4 p.m. 11,299 201,571
4-6 p.m. 7,977 127,704
6-8 p.m. 4,634 71,188
8-10 p.m. 3,325 58,440
10-12 p.m. 2,480 47,518
__________ _____________ _________________
Total: 59,442 963,039
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 51
Los Angeles 7
Riverside 1
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 4
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 45,883
Other-Network UC 13,496
_____
59,442
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 407
Los Angeles 0
Riverside 2
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 942,085
Other-Network UC 20,545
_____
963,039
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 1.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 1.3
2.0 PERIODICALS Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 20:09
Average session length (minutes:seconds) 16:16
Longest session recorded (minutes:seconds) 190:35
Average number of searches completed per session 14861
Retrievals per search - median 1.0
Retrievals per search - average 68.8
Retrievals per search - standard deviation 925.5
Percent of searches completed with 0 results 40.5%
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 59,442 20.4%
PRESENT 196,545 67.5%
INIT or CLOSE 34,923 12.0%
OTHER 59 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 TITLE25,544 37.0% 10,478 41.0% 5 182.0 1553.6
EXACT PE TITLE 12,167 17.6% 3,017 24.8% 2 44.9 1006.8
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 1,875 2.7% 1,721 91.8% 2 25.4 202.2
CORP AUTHOR 3,374 4.9% 3,052 90.5% 7 89.4 456.0
EXACT CORP AUTH 144 0.2% 61 42.4% 7 104.4 194.0
SUBJECT 6,298 9.1% 3,962 62.9% 15 339.9 1326.0
EXACT SUBJECT 493 0.7% 183 37.1% 9 235.8 1273.7
SERIES 63 0.1% 52 82.5% 3 75.6 174.9
EXACT SERIES 17 0.0% 8 47.1% 2 128.1 311.5
CODEN 14 0.0% 7 50.0% 2 1.9 0.4
ISBN 2,658 3.8% 2,657 100% 3 3.0 0.0
LCCN 589 0.9% 576 97.8% 1 1.7 1.1
ISSN 8,682 12.6% 618 7.1% 1 1.6 1.0
INDEXED BY 6 0.0% 6 100% 0 0.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 10 0.0% 7 70.0% 16 21.0 21.9
GOV'T DOC NUM 7 0.0% 7 100% 0 0.0 0.0
REPORT NUM 4 0.0% 4 100% 0 0.0 0.0
STOCK NUM 4 0.0% 4 100% 0 0.0 0.0
GPO ITEM NUM 3 0.0% 3 100% 0 0.0 0.0
AT 7,003 10.1% 1,939 27.7% 3 46.3 291.9
RPE 81 0.1% 61 75.3% 4 54.4 106.6
RXPE 21 0.0% 12 57.1% 5 8.3 9.1
Other indexes 45 0.1% 28 62.2% 499 1428.9 2096.6
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 9,468 15.9% 4,194 44.3% 3 46.7 296.4
Single 49,974 84.1% 19,907 39.8% 2 127.7 1292.6
PRESENT commands, by type:
MARC 30.8%
OPAC 21.0%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)