MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 06/08/02 through 06/14/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,676 25,327
2-4 a.m. 1,182 11,725
4-6 a.m. 2,552 12,493
6-8 a.m. 2,263 15,602
8-10 a.m. 4,879 58,608
10-12 a.m. 7,106 134,482
12-2 p.m. 7,783 103,068
2-4 p.m. 7,458 123,809
4-6 p.m. 5,720 84,302
6-8 p.m. 3,297 29,391
8-10 p.m. 1,818 28,135
10-12 p.m. 1,590 19,540
__________ _____________ _________________
Total: 47,324 646,482
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 17
Davis 1
Irvine 0
Los Angeles 3
Riverside 0
San Diego 1
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 3
Los Alamos 0
MELWEB 31,491
Searchlight 1,290
Other - UC 260
Other-Network UC 14,258
_____
47,324
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 92
Davis 0
Irvine 0
Los Angeles 8
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 3
Los Alamos 0
MELWEB 605,869
Searchlight 0
Other - UC 3,499
Other-Network UC 37,011
_____
646,482
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 3.3
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) 15:42
Longest session recorded (minutes:seconds) 269:52
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 45.5
Retrievals per search - standard deviation 702.5
Percent of searches completed with 0 results 38.4%
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 47,324 21.0%
PRESENT 147,450 65.5%
INIT or CLOSE 30,140 13.4%
OTHER 40 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 TITLE17,392 33.3% 7,688 44.2% 5 168.5 1443.8
EXACT PE TITLE 8,660 16.6% 1,639 18.9% 2 24.8 368.4
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 1,700 3.3% 1,574 92.6% 2 4.9 7.6
CORP AUTHOR 2,268 4.3% 2,035 89.7% 7 61.1 193.2
EXACT CORP AUTH 87 0.2% 31 35.6% 14 89.1 157.8
SUBJECT 2,205 4.2% 1,497 67.9% 14 323.7 1126.9
EXACT SUBJECT 176 0.3% 60 34.1% 6 503.1 2575.7
SERIES 24 0.0% 17 70.8% 4 3.7 1.9
EXACT SERIES 4 0.0% 0 0.0% 53 82.8 104.6
CODEN 13 0.0% 4 30.8% 1 1.0 0.0
ISBN 3,704 7.1% 3,701 99.9% 1 1.7 1.2
LCCN 631 1.2% 626 99.2% 1 1.2 0.4
ISSN 12,152 23.2% 953 7.8% 1 1.6 1.0
INDEXED BY 3 0.0% 3 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 49 0.1% 48 98.0% 1 1.0 0.0
GOV'T DOC NUM 2 0.0% 2 100% 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% 1 100% 0 0.0 0.0
AT 3,125 6.0% 575 18.4% 2 37.4 274.8
RPE 28 0.1% 17 60.7% 34 201.3 370.3
RXPE 14 0.0% 10 71.4% 29 161.0 282.0
Other indexes 34 0.1% 23 67.6% 27 1357.4 4392.8
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 4,857 10.3% 2,240 46.1% 2 37.1 271.5
Single 42,467 89.7% 15,949 37.6% 2 77.5 933.3
PRESENT commands, by type:
MARC 32.8%
OPAC 21.0%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)