MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 04/27/02 through 05/03/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,329 26,358
2-4 a.m. 1,396 15,200
4-6 a.m. 1,175 11,410
6-8 a.m. 2,446 17,604
8-10 a.m. 6,393 74,045
10-12 a.m. 10,162 168,662
12-2 p.m. 11,376 171,268
2-4 p.m. 12,266 177,173
4-6 p.m. 9,140 144,541
6-8 p.m. 5,349 73,376
8-10 p.m. 4,031 64,781
10-12 p.m. 3,201 59,019
__________ _____________ _________________
Total: 69,264 1,003,437
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 10
Davis 7
Irvine 0
Los Angeles 10
Riverside 3
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 10
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 52,124
Searchlight 2,406
Other - UC 519
Other-Network UC 14,175
_____
69,264
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 60
Davis 10
Irvine 0
Los Angeles 15
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 2
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 964,350
Searchlight 0
Other - UC 4,618
Other-Network UC 34,382
_____
1,003,437
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 1.0
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
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Median session length (minutes:seconds) 20:04
Average session length (minutes:seconds) 16:49
Longest session recorded (minutes:seconds) 163:21
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 50.0
Retrievals per search - standard deviation 1022.7
Percent of searches completed with 0 results 33.8%
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 69,264 19.6%
PRESENT 237,781 67.3%
INIT or CLOSE 45,549 12.9%
OTHER 601 0.2%
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 TITLE26,101 33.5% 10,727 41.1% 5 150.6 1963.2
EXACT PE TITLE 12,292 15.8% 2,476 20.1% 2 35.0 892.8
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 1,875 2.4% 1,419 75.7% 17 17.3 28.9
CORP AUTHOR 3,450 4.4% 3,095 89.7% 5 147.9 645.2
EXACT CORP AUTH 116 0.1% 36 31.0% 14 174.0 293.5
SUBJECT 4,635 6.0% 3,004 64.8% 14 335.2 1310.4
EXACT SUBJECT 346 0.4% 101 29.2% 8 459.5 2291.9
SERIES 59 0.1% 50 84.7% 4 150.4 292.9
EXACT SERIES 7 0.0% 0 0.0% 1 53.4 100.5
CODEN 9 0.0% 6 66.7% 2 10.7 15.9
ISBN 3,027 3.9% 3,027 100% 0 0.0 0.0
LCCN 760 1.0% 735 96.7% 1 1.2 0.5
ISSN 19,037 24.5% 1,106 5.8% 1 1.7 1.0
INDEXED BY 3 0.0% 3 100% 0 0.0 0.0
DLA ID 1 0.0% 0 0.0% 1 1.0 0.0
LOCAL NUM 8 0.0% 7 87.5% 1 1.0 0.0
GOV'T DOC NUM 4 0.0% 3 75.0% 53 53.0 0.0
REPORT NUM 1 0.0% 1 100% 0 0.0 0.0
STOCK NUM 3 0.0% 3 100% 0 0.0 0.0
GPO ITEM NUM 2 0.0% 1 50.0% 3 3.0 0.0
AT 5,954 7.7% 1,505 25.3% 2 31.8 201.6
RPE 65 0.1% 44 67.7% 9 944.3 2394.7
RXPE 20 0.0% 14 70.0% 72 78.5 77.9
Other indexes 47 0.1% 32 68.1% 35 3115.5 6636.5
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 8,331 12.0% 3,788 45.5% 2 37.5 287.6
Single 60,933 88.0% 19,626 32.2% 2 79.7 1320.0
PRESENT commands, by type:
MARC 32.0%
OPAC 23.7%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)