MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 02/09/02 through 02/15/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,419 23,300
2-4 a.m. 1,086 9,578
4-6 a.m. 1,248 7,923
6-8 a.m. 2,702 19,972
8-10 a.m. 5,772 74,231
10-12 a.m. 10,763 160,509
12-2 p.m. 11,676 174,821
2-4 p.m. 12,112 217,011
4-6 p.m. 9,506 161,768
6-8 p.m. 4,425 71,992
8-10 p.m. 3,136 59,227
10-12 p.m. 2,106 41,342
__________ _____________ _________________
Total: 65,951 1,021,674
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 3
Davis 0
Irvine 56
Los Angeles 0
Riverside 0
San Diego 3
San Francisco 2
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 5
Lawrence Livermore 0
Los Alamos 0
MELWEB 49,983
Searchlight 2,326
Other - UC 473
Other-Network UC 13,100
_____
65,951
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 10
Davis 0
Irvine 76
Los Angeles 0
Riverside 0
San Diego 25
San Francisco 36
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 985,086
Searchlight 0
Other - UC 5,326
Other-Network UC 31,115
_____
1,021,674
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 1.8
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) 16:26
Longest session recorded (minutes:seconds) 269:48
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 58.9
Retrievals per search - standard deviation 982.5
Percent of searches completed with 0 results 34.9%
Percent of searches entered that are long 0.1%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 65,951 20.0%
PRESENT 221,377 67.3%
INIT or CLOSE 41,775 12.7%
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 TITLE26,821 35.7% 10,303 38.4% 5 162.4 1648.9
EXACT PE TITLE 13,117 17.5% 2,960 22.6% 2 33.6 737.0
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 1,683 2.2% 1,504 89.4% 2 60.8 315.2
CORP AUTHOR 3,020 4.0% 2,672 88.5% 7 128.3 719.7
EXACT CORP AUTH 135 0.2% 64 47.4% 19 155.3 266.3
SUBJECT 5,571 7.4% 3,496 62.8% 14 286.3 1133.5
EXACT SUBJECT 437 0.6% 118 27.0% 9 234.2 1333.0
SERIES 55 0.1% 42 76.4% 5 79.1 176.3
EXACT SERIES 10 0.0% 2 20.0% 2 50.5 119.0
CODEN 21 0.0% 4 19.0% 1 1.5 0.6
ISBN 2,324 3.1% 2,324 100% 0 0.0 0.0
LCCN 651 0.9% 639 98.2% 1 1.1 0.3
ISSN 14,218 18.9% 869 6.1% 1 1.6 1.0
INDEXED BY 4 0.0% 4 100% 0 0.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 3 0.0% 1 33.3% 22 21.5 29.0
GOV'T DOC NUM 12 0.0% 12 100% 0 0.0 0.0
REPORT NUM 3 0.0% 3 100% 0 0.0 0.0
STOCK NUM 2 0.0% 2 100% 0 0.0 0.0
GPO ITEM NUM 1 0.0% 1 100% 0 0.0 0.0
AT 6,932 9.2% 1,956 28.2% 2 39.9 278.1
RPE 73 0.1% 50 68.5% 4 128.3 426.4
RXPE 10 0.0% 9 90.0% 2 2.0 0.0
Other indexes 39 0.1% 23 59.0% 141 7029.0 23956.4
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 9,024 13.7% 3,897 43.2% 2 41.0 279.9
Single 56,927 86.3% 19,114 33.6% 2 97.2 1292.0
PRESENT commands, by type:
MARC 32.2%
OPAC 22.1%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)