MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 12/01/99 through 12/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,484 18,007
2-4 a.m. 1,641 10,015
4-6 a.m. 1,736 8,211
6-8 a.m. 2,714 21,532
8-10 a.m. 7,605 79,892
10-12 a.m. 14,787 150,993
12-2 p.m. 16,954 175,532
2-4 p.m. 19,556 190,765
4-6 p.m. 13,418 135,835
6-8 p.m. 6,370 61,184
8-10 p.m. 4,679 52,094
10-12 p.m. 3,736 64,281
__________ _____________ _________________
Total: 95,680 968,341
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 0
Davis 1
Irvine 556
Los Angeles 10
Riverside 0
San Diego 1
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 82,330
Other - UC 1,665
Other-Network UC 11,117
_____
95,680
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 1,368
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 919,007
Other - UC 13,792
Other-Network UC 34,174
_____
968,341
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 4.2
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.4
2.0 PERIODICALS Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 20:53
Average session length (minutes:seconds) 20:34
Longest session recorded (minutes:seconds) 252:16
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 72.1
Retrievals per search - standard deviation 990.4
Percent of searches completed with 0 results 30.2%
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 95,680 24.9%
PRESENT 247,307 64.4%
INIT or CLOSE 39,664 10.3%
OTHER 1,123 0.3%
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 TITLE43,219 36.5% 9,983 23.1% 4 132.0 1342.3
EXACT PE TITLE 28,874 24.4% 7,014 24.3% 2 35.6 1005.5
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 3,349 2.8% 3,016 90.1% 3 17.5 119.3
CORP AUTHOR 2,588 2.2% 1,866 72.1% 6 90.0 503.4
EXACT CORP AUTH 292 0.2% 81 27.7% 4 60.1 294.0
SUBJECT 12,006 10.2% 7,319 61.0% 13 327.6 1434.4
EXACT SUBJECT 1,019 0.9% 351 34.4% 6 115.5 1029.7
SERIES 117 0.1% 97 82.9% 3 36.3 69.0
EXACT SERIES 34 0.0% 9 26.5% 45 78.5 105.4
CODEN 11 0.0% 5 45.5% 2 1.8 1.2
ISBN 679 0.6% 679 100% 0 0.0 0.0
LCCN 15 0.0% 15 100% 0 0.0 0.0
ISSN 5,635 4.8% 381 6.8% 1 1.5 1.0
INDEXED BY 20 0.0% 18 90.0% 425 424.5 67.2
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 7 0.0% 3 42.9% 1 1.0 0.0
GOV'T DOC NUM 7 0.0% 6 85.7% 1 1.0 0.0
REPORT NUM 6 0.0% 6 100% 0 0.0 0.0
STOCK NUM 8 0.0% 7 87.5% 1 1.0 0.0
GPO ITEM NUM 1 0.0% 0 0.0% 19 19.0 0.0
AT 19,962 16.9% 4,234 21.2% 2 38.3 294.5
RPE 217 0.2% 144 66.4% 4 38.0 120.4
RXPE 103 0.1% 52 50.5% 3 76.9 276.2
Other indexes 93 0.1% 65 69.9% 90 2612.0 6779.7
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 21,988 23.0% 5,950 27.1% 2 40.6 363.7
Single 73,692 77.0% 22,955 31.1% 3 123.2 1342.3
PRESENT commands, by type:
MARC 45.4%
OPAC 33.8%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)