MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 12/01/01 through 12/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 5,567 52,316
2-4 a.m. 3,245 28,637
4-6 a.m. 3,111 30,000
6-8 a.m. 6,200 64,806
8-10 a.m. 14,113 190,581
10-12 a.m. 22,318 360,908
12-2 p.m. 23,818 445,102
2-4 p.m. 25,104 482,849
4-6 p.m. 20,167 349,040
6-8 p.m. 11,076 176,514
8-10 p.m. 7,324 120,848
10-12 p.m. 8,049 116,100
__________ _____________ _________________
Total: 150,092 2,417,701
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 6
Davis 6
Irvine 356
Los Angeles 4
Riverside 0
San Diego 5
San Francisco 4
Santa Barbara 1
Santa Cruz 0
Lawrence Berkeley 16
Lawrence Livermore 65
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 104,828
Other-Network UC 44,801
_____
150,092
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 30
Davis 2
Irvine 873
Los Angeles 13
Riverside 0
San Diego 19
San Francisco 60
Santa Barbara 4
Santa Cruz 0
Lawrence Berkeley 187
Lawrence Livermore 124
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 2,324,842
Other-Network UC 91,547
_____
2,417,701
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 4.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.3
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:02
Average session length (minutes:seconds) 15:13
Longest session recorded (minutes:seconds) 253:43
Average number of searches completed per session 21442
Retrievals per search - median 1.0
Retrievals per search - average 70.1
Retrievals per search - standard deviation 1045.6
Percent of searches completed with 0 results 39.6%
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 150,092 20.5%
PRESENT 490,692 67.1%
INIT or CLOSE 90,215 12.3%
OTHER 211 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 TITLE66,355 39.2% 25,606 38.6% 6 189.7 1690.8
EXACT PE TITLE 31,784 18.8% 7,431 23.4% 2 50.1 1247.6
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 4,372 2.6% 4,034 92.3% 2 20.1 119.7
CORP AUTHOR 8,465 5.0% 7,524 88.9% 7 134.4 684.5
EXACT CORP AUTH 293 0.2% 110 37.5% 7 151.1 334.8
SUBJECT 9,757 5.8% 6,287 64.4% 15 348.2 1406.9
EXACT SUBJECT 794 0.5% 278 35.0% 9 304.1 1543.3
SERIES 116 0.1% 89 76.7% 4 8.3 17.1
EXACT SERIES 31 0.0% 9 29.0% 4 16.5 36.3
CODEN 76 0.0% 23 30.3% 1 1.2 0.4
ISBN 9,170 5.4% 9,169 100% 3 3.0 0.0
LCCN 2,528 1.5% 2,395 94.7% 1 2.0 7.2
ISSN 22,004 13.0% 1,789 8.1% 1 1.6 1.0
INDEXED BY 8 0.0% 8 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 298 0.2% 296 99.3% 44 43.5 7.8
GOV'T DOC NUM 24 0.0% 23 95.8% 53 53.0 0.0
REPORT NUM 7 0.0% 7 100% 0 0.0 0.0
STOCK NUM 9 0.0% 9 100% 0 0.0 0.0
GPO ITEM NUM 5 0.0% 2 40.0% 4 3.3 2.1
AT 12,781 7.6% 2,845 22.3% 2 36.5 263.8
RPE 149 0.1% 107 71.8% 10 340.5 1337.0
RXPE 52 0.0% 30 57.7% 4 14.3 25.8
Other indexes 86 0.1% 59 68.6% 148 886.9 2233.9
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 18,708 12.5% 8,364 44.7% 2 36.9 291.5
Single 131,384 87.5% 51,086 38.9% 3 126.2 1423.2
PRESENT commands, by type:
MARC 30.4%
OPAC 21.0%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)