MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 05/25/02 through 05/31/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,066 19,734
2-4 a.m. 1,435 9,172
4-6 a.m. 1,350 9,926
6-8 a.m. 2,252 11,149
8-10 a.m. 5,592 64,260
10-12 a.m. 9,167 127,143
12-2 p.m. 10,498 120,077
2-4 p.m. 10,639 142,285
4-6 p.m. 8,110 108,620
6-8 p.m. 5,341 57,859
8-10 p.m. 3,408 48,845
10-12 p.m. 2,827 30,969
__________ _____________ _________________
Total: 62,685 750,039
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 0
Irvine 0
Los Angeles 1
Riverside 0
San Diego 32
San Francisco 0
Santa Barbara 0
Santa Cruz 1
Lawrence Berkeley 5
Lawrence Livermore 3
Los Alamos 0
MELWEB 46,318
Searchlight 2,046
Other - UC 158
Other-Network UC 14,118
_____
62,685
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 915
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 724,867
Searchlight 0
Other - UC 1,996
Other-Network UC 22,261
_____
750,039
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 0.9
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) 20:01
Average session length (minutes:seconds) 17:02
Longest session recorded (minutes:seconds) 210:33
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 44.7
Retrievals per search - standard deviation 758.6
Percent of searches completed with 0 results 35.9%
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 62,685 21.9%
PRESENT 181,915 63.6%
INIT or CLOSE 41,278 14.4%
OTHER 63 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 TITLE22,171 31.8% 10,007 45.1% 5 142.5 1286.2
EXACT PE TITLE 10,818 15.5% 2,170 20.1% 2 49.0 1187.7
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 1,594 2.3% 1,490 93.5% 4 13.1 33.0
CORP AUTHOR 3,201 4.6% 2,907 90.8% 8 170.5 645.0
EXACT CORP AUTH 112 0.2% 49 43.8% 7 124.6 258.4
SUBJECT 4,391 6.3% 2,838 64.6% 14 304.7 1207.7
EXACT SUBJECT 279 0.4% 92 33.0% 10 212.2 1273.1
SERIES 35 0.1% 29 82.9% 2 27.0 62.2
EXACT SERIES 9 0.0% 5 55.6% 2 5.3 7.8
CODEN 10 0.0% 3 30.0% 1 1.6 0.8
ISBN 3,736 5.4% 3,735 100% 3 3.0 0.0
LCCN 366 0.5% 345 94.3% 1 1.3 0.5
ISSN 18,094 25.9% 943 5.2% 1 1.7 1.1
INDEXED BY 4 0.0% 3 75.0% 6 6.0 0.0
DLA ID 3 0.0% 3 100% 0 0.0 0.0
LOCAL NUM 81 0.1% 77 95.1% 5 14.3 21.5
GOV'T DOC NUM 6 0.0% 5 83.3% 53 53.0 0.0
REPORT NUM 4 0.0% 4 100% 0 0.0 0.0
STOCK NUM 2 0.0% 2 100% 0 0.0 0.0
GPO ITEM NUM 3 0.0% 1 33.3% 8 7.5 4.9
AT 4,804 6.9% 1,395 29.0% 2 35.1 216.1
RPE 55 0.1% 41 74.5% 30 1032.7 2064.2
RXPE 18 0.0% 11 61.1% 5 7.9 10.4
Other indexes 24 0.0% 13 54.2% 460 3650.1 7687.3
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 7,006 11.2% 3,513 50.1% 2 37.5 242.4
Single 55,679 88.8% 19,020 34.2% 2 72.8 988.2
PRESENT commands, by type:
MARC 34.5%
OPAC 23.5%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)