MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 03/30/02 through 04/05/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,530 17,954
2-4 a.m. 788 4,754
4-6 a.m. 1,005 4,691
6-8 a.m. 2,076 14,007
8-10 a.m. 4,844 64,317
10-12 a.m. 8,356 145,434
12-2 p.m. 8,754 154,835
2-4 p.m. 9,051 175,623
4-6 p.m. 6,723 115,851
6-8 p.m. 3,178 61,634
8-10 p.m. 2,120 34,811
10-12 p.m. 2,429 40,869
__________ _____________ _________________
Total: 50,854 834,780
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 37
Davis 0
Irvine 0
Los Angeles 0
Riverside 1
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 1
Lawrence Berkeley 4
Lawrence Livermore 2
Los Alamos 0
MELWEB 35,615
Searchlight 1,644
Other - UC 644
Other-Network UC 12,906
_____
50,854
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 127
Davis 0
Irvine 0
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 51
Lawrence Livermore 5
Los Alamos 0
MELWEB 805,954
Searchlight 0
Other - UC 5,845
Other-Network UC 22,798
_____
834,780
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) 20:06
Average session length (minutes:seconds) 16:34
Longest session recorded (minutes:seconds) 250:25
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 57.4
Retrievals per search - standard deviation 919.9
Percent of searches completed with 0 results 37.2%
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 50,854 19.5%
PRESENT 179,492 68.7%
INIT or CLOSE 30,951 11.8%
OTHER 69 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 TITLE20,618 36.2% 8,446 41.0% 5 161.3 1534.1
EXACT PE TITLE 10,280 18.1% 2,000 19.5% 2 53.8 1206.7
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 1,375 2.4% 1,276 92.8% 2 197.9 1704.9
CORP AUTHOR 2,749 4.8% 2,494 90.7% 7 109.8 457.3
EXACT CORP AUTH 83 0.1% 32 38.6% 12 189.4 352.5
SUBJECT 2,692 4.7% 1,660 61.7% 18 378.8 1199.6
EXACT SUBJECT 319 0.6% 86 27.0% 15 245.0 1351.7
SERIES 48 0.1% 41 85.4% 2 7.9 9.8
EXACT SERIES 14 0.0% 5 35.7% 3 52.6 113.2
CODEN 23 0.0% 1 4.3% 1 1.1 0.4
ISBN 3,262 5.7% 3,262 100% 0 0.0 0.0
LCCN 494 0.9% 480 97.2% 1 1.1 0.3
ISSN 10,700 18.8% 790 7.4% 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 52 0.1% 52 100% 0 0.0 0.0
GOV'T DOC NUM 1 0.0% 1 100% 0 0.0 0.0
REPORT NUM 0 0.0% 0 0.0% 0 0.0 0.0
STOCK NUM 1 0.0% 1 100% 0 0.0 0.0
GPO ITEM NUM 8 0.0% 4 50.0% 2 4.5 5.7
AT 4,163 7.3% 829 19.9% 2 46.4 431.5
RPE 26 0.0% 20 76.9% 3 5.3 6.3
RXPE 12 0.0% 8 66.7% 7 10.5 12.5
Other indexes 9 0.0% 4 44.4% 123 1051.2 2176.2
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 5,994 11.8% 2,517 42.0% 2 50.2 511.0
Single 44,860 88.2% 16,387 36.5% 2 96.3 1214.8
PRESENT commands, by type:
MARC 31.1%
OPAC 20.2%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)