MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 12/22/01 through 12/28/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 676 3,291
2-4 a.m. 402 3,930
4-6 a.m. 341 1,950
6-8 a.m. 602 6,188
8-10 a.m. 1,081 23,826
10-12 a.m. 1,693 32,822
12-2 p.m. 1,898 48,370
2-4 p.m. 2,085 38,022
4-6 p.m. 1,742 29,468
6-8 p.m. 1,080 14,861
8-10 p.m. 660 9,706
10-12 p.m. 1,253 22,099
__________ _____________ _________________
Total: 13,513 234,533
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 0
Irvine 0
Los Angeles 0
Riverside 0
San Diego 3
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 7,840
Other-Network UC 5,668
_____
13,513
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 0
Los Angeles 0
Riverside 0
San Diego 19
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 5
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 217,844
Other-Network UC 16,665
_____
234,533
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 12.9
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
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Median session length (minutes:seconds) 11:27
Average session length (minutes:seconds) 12:50
Longest session recorded (minutes:seconds) 188:26
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 86.7
Retrievals per search - standard deviation 1234.9
Percent of searches completed with 0 results 36.8%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 0.0%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 13,513 20.3%
PRESENT 44,789 67.2%
INIT or CLOSE 8,364 12.5%
OTHER 18 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 TITLE 6,574 44.6% 1,881 28.6% 6 175.9 1507.9
EXACT PE TITLE 2,913 19.8% 776 26.6% 2 101.8 2065.7
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 335 2.3% 292 87.2% 2 14.1 27.1
CORP AUTHOR 688 4.7% 587 85.3% 6 123.2 605.6
EXACT CORP AUTH 41 0.3% 18 43.9% 3 37.7 90.2
SUBJECT 590 4.0% 376 63.7% 24 460.5 1502.7
EXACT SUBJECT 42 0.3% 15 35.7% 5 540.0 2666.3
SERIES 2 0.0% 2 100% 0 0.0 0.0
EXACT SERIES 0 0.0% 0 0.0% 0 0.0 0.0
CODEN 8 0.1% 8 100% 0 0.0 0.0
ISBN 1,077 7.3% 1,077 100% 0 0.0 0.0
LCCN 134 0.9% 116 86.6% 1 4.8 16.0
ISSN 1,428 9.7% 132 9.2% 1 1.7 1.1
INDEXED BY 1 0.0% 1 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 70 0.5% 70 100% 0 0.0 0.0
GOV'T DOC NUM 6 0.0% 6 100% 0 0.0 0.0
REPORT NUM 0 0.0% 0 0.0% 0 0.0 0.0
STOCK NUM 0 0.0% 0 0.0% 0 0.0 0.0
GPO ITEM NUM 1 0.0% 1 100% 0 0.0 0.0
AT 810 5.5% 128 15.8% 2 37.8 346.2
RPE 8 0.1% 5 62.5% 8 32.7 45.3
RXPE 2 0.0% 0 0.0% 15 14.5 14.8
Other indexes 7 0.0% 5 71.4% 1 1.0 0.0
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 1,211 9.0% 508 41.9% 2 37.6 341.4
Single 12,302 91.0% 4,470 36.3% 5 146.3 1616.3
PRESENT commands, by type:
MARC 28.3%
OPAC 21.9%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)