MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 12/15/01 through 12/21/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,134 8,972
2-4 a.m. 745 3,480
4-6 a.m. 900 7,757
6-8 a.m. 1,631 24,789
8-10 a.m. 3,617 46,403
10-12 a.m. 5,383 89,950
12-2 p.m. 5,262 95,327
2-4 p.m. 5,481 108,910
4-6 p.m. 3,711 68,221
6-8 p.m. 1,769 31,690
8-10 p.m. 1,056 20,216
10-12 p.m. 1,276 14,827
__________ _____________ _________________
Total: 31,965 520,542
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 83
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 4
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 12
Lawrence Livermore 58
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 20,451
Other-Network UC 11,352
_____
31,965
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 20
Davis 0
Irvine 182
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 60
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 134
Lawrence Livermore 109
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 499,864
Other-Network UC 20,173
_____
520,542
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 2.0
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) 20:02
Average session length (minutes:seconds) 14:33
Longest session recorded (minutes:seconds) 171:38
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 64.6
Retrievals per search - standard deviation 1077.9
Percent of searches completed with 0 results 41.0%
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 31,965 20.5%
PRESENT 104,373 67.0%
INIT or CLOSE 19,345 12.4%
OTHER 68 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 TITLE14,892 41.6% 5,910 39.7% 6 167.7 1595.3
EXACT PE TITLE 6,774 18.9% 1,741 25.7% 2 64.7 1614.7
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 1,000 2.8% 923 92.3% 4 13.3 37.4
CORP AUTHOR 2,168 6.1% 1,983 91.5% 5 143.7 465.5
EXACT CORP AUTH 59 0.2% 21 35.6% 6 109.7 233.8
SUBJECT 1,271 3.6% 831 65.4% 21 372.3 1098.4
EXACT SUBJECT 128 0.4% 36 28.1% 10 348.1 2028.8
SERIES 37 0.1% 25 67.6% 3 4.4 4.1
EXACT SERIES 6 0.0% 2 33.3% 8 13.3 16.4
CODEN 17 0.0% 3 17.6% 1 1.1 0.4
ISBN 1,953 5.5% 1,953 100% 0 0.0 0.0
LCCN 696 1.9% 659 94.7% 1 2.4 7.9
ISSN 4,358 12.2% 338 7.8% 1 1.7 1.0
INDEXED BY 2 0.0% 2 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 71 0.2% 69 97.2% 44 43.5 7.8
GOV'T DOC NUM 4 0.0% 4 100% 0 0.0 0.0
REPORT NUM 1 0.0% 1 100% 0 0.0 0.0
STOCK NUM 2 0.0% 2 100% 0 0.0 0.0
GPO ITEM NUM 1 0.0% 0 0.0% 1 1.0 0.0
AT 2,300 6.4% 422 18.3% 2 42.5 352.7
RPE 12 0.0% 9 75.0% 22 25.0 24.6
RXPE 5 0.0% 2 40.0% 1 6.3 9.2
Other indexes 18 0.1% 16 88.9% 91 91.0 127.3
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 3,738 11.7% 1,787 47.8% 2 41.3 346.2
Single 28,227 88.3% 11,310 40.1% 3 117.3 1475.0
PRESENT commands, by type:
MARC 29.5%
OPAC 20.8%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)