MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 12/01/01 through 12/07/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,909 24,385
2-4 a.m. 983 13,517
4-6 a.m. 959 13,497
6-8 a.m. 2,013 15,019
8-10 a.m. 4,811 67,331
10-12 a.m. 8,458 126,063
12-2 p.m. 9,512 177,116
2-4 p.m. 10,534 184,386
4-6 p.m. 8,633 150,849
6-8 p.m. 4,803 74,280
8-10 p.m. 3,619 58,517
10-12 p.m. 3,339 49,796
__________ _____________ _________________
Total: 59,573 954,756
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 3
Irvine 147
Los Angeles 4
Riverside 0
San Diego 1
San Francisco 0
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 4
Lawrence Livermore 5
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 46,086
Other-Network UC 13,322
_____
59,573
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 2
Irvine 335
Los Angeles 13
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 4
Santa Cruz 0
Lawrence Berkeley 53
Lawrence Livermore 9
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 926,790
Other-Network UC 27,550
_____
954,756
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 1.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.3
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:08
Average session length (minutes:seconds) 16:29
Longest session recorded (minutes:seconds) 158:41
Average number of searches completed per session 11915
Retrievals per search - median 1.0
Retrievals per search - average 66.5
Retrievals per search - standard deviation 872.0
Percent of searches completed with 0 results 38.9%
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 59,573 20.4%
PRESENT 197,013 67.4%
INIT or CLOSE 35,776 12.2%
OTHER 57 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 TITLE24,675 36.4% 9,687 39.3% 5 182.0 1386.8
EXACT PE TITLE 12,173 18.0% 2,763 22.7% 2 46.5 1105.6
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 1,564 2.3% 1,464 93.6% 2 7.9 19.2
CORP AUTHOR 3,008 4.4% 2,624 87.2% 7 135.6 846.3
EXACT CORP AUTH 124 0.2% 48 38.7% 16 196.6 392.1
SUBJECT 5,391 8.0% 3,408 63.2% 14 326.5 1418.9
EXACT SUBJECT 396 0.6% 133 33.6% 8 251.7 1227.9
SERIES 47 0.1% 39 83.0% 4 7.8 10.1
EXACT SERIES 18 0.0% 6 33.3% 2 4.3 7.3
CODEN 34 0.1% 9 26.5% 1 1.1 0.3
ISBN 3,117 4.6% 3,116 100% 3 3.0 0.0
LCCN 1,052 1.6% 1,007 95.7% 1 1.1 0.4
ISSN 10,095 14.9% 801 7.9% 1 1.6 1.0
INDEXED BY 4 0.0% 4 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 56 0.1% 56 100% 0 0.0 0.0
GOV'T DOC NUM 11 0.0% 11 100% 0 0.0 0.0
REPORT NUM 4 0.0% 4 100% 0 0.0 0.0
STOCK NUM 3 0.0% 3 100% 0 0.0 0.0
GPO ITEM NUM 1 0.0% 0 0.0% 4 4.0 0.0
AT 5,792 8.6% 1,595 27.5% 2 39.2 216.6
RPE 95 0.1% 73 76.8% 9 352.5 1361.7
RXPE 32 0.0% 20 62.5% 7 19.8 33.4
Other indexes 33 0.0% 21 63.6% 247 1602.3 3187.0
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 7,963 13.4% 3,582 45.0% 2 41.1 295.8
Single 51,610 86.6% 19,571 37.9% 2 117.9 1181.5
PRESENT commands, by type:
MARC 31.8%
OPAC 21.1%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)