MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 11/03/01 through 11/09/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,904 24,964
2-4 a.m. 1,089 22,006
4-6 a.m. 1,264 10,900
6-8 a.m. 2,204 24,084
8-10 a.m. 5,649 85,728
10-12 a.m. 9,298 147,485
12-2 p.m. 10,375 164,801
2-4 p.m. 11,053 190,693
4-6 p.m. 8,249 129,538
6-8 p.m. 4,560 75,470
8-10 p.m. 3,185 56,926
10-12 p.m. 2,863 50,898
__________ _____________ _________________
Total: 61,693 983,493
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1
Davis 1
Irvine 140
Los Angeles 0
Riverside 0
San Diego 5
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 2
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 47,357
Other-Network UC 14,187
_____
61,693
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1
Davis 0
Irvine 328
Los Angeles 0
Riverside 0
San Diego 1
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 943,205
Other-Network UC 39,957
_____
983,493
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 0.2
Standard deviation in seconds 0.4
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:08
Average session length (minutes:seconds) 16:24
Longest session recorded (minutes:seconds) 209:21
Average number of searches completed per session 15423
Retrievals per search - median 1.0
Retrievals per search - average 63.8
Retrievals per search - standard deviation 790.8
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 61,693 20.4%
PRESENT 204,596 67.6%
INIT or CLOSE 36,230 12.0%
OTHER 67 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 TITLE25,942 36.6% 10,371 40.0% 5 166.7 1305.6
EXACT PE TITLE 13,440 18.9% 3,176 23.6% 2 35.9 734.0
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 1,544 2.2% 1,412 91.4% 3 16.8 57.2
CORP AUTHOR 3,034 4.3% 2,681 88.4% 6 207.7 963.6
EXACT CORP AUTH 145 0.2% 50 34.5% 9 92.6 245.2
SUBJECT 5,991 8.4% 3,790 63.3% 13 347.2 1453.4
EXACT SUBJECT 537 0.8% 202 37.6% 6 335.9 1830.3
SERIES 44 0.1% 39 88.6% 1 4.8 7.4
EXACT SERIES 12 0.0% 5 41.7% 12 16.3 16.0
CODEN 22 0.0% 6 27.3% 1 1.4 0.5
ISBN 3,249 4.6% 3,249 100% 0 0.0 0.0
LCCN 750 1.1% 712 94.9% 1 1.3 0.6
ISSN 9,061 12.8% 642 7.1% 1 1.6 3.3
INDEXED BY 5 0.0% 5 100% 0 0.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 80 0.1% 79 98.7% 10 10.0 0.0
GOV'T DOC NUM 10 0.0% 9 90.0% 1 1.0 0.0
REPORT NUM 1 0.0% 1 100% 0 0.0 0.0
STOCK NUM 6 0.0% 6 100% 0 0.0 0.0
GPO ITEM NUM 0 0.0% 0 0.0% 0 0.0 0.0
AT 6,895 9.7% 2,050 29.7% 2 40.3 241.2
RPE 86 0.1% 57 66.3% 5 386.5 1419.7
RXPE 19 0.0% 14 73.7% 2 4.8 6.4
Other indexes 43 0.1% 24 55.8% 83 871.1 1758.7
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 8,972 14.5% 3,836 42.8% 2 44.1 316.1
Single 52,721 85.5% 20,684 39.2% 2 115.7 1087.4
PRESENT commands, by type:
MARC 31.4%
OPAC 21.6%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)