MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 06/22/02 through 06/28/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,736 14,603
2-4 a.m. 1,237 15,259
4-6 a.m. 1,573 11,365
6-8 a.m. 2,343 12,081
8-10 a.m. 5,332 62,058
10-12 a.m. 8,507 122,832
12-2 p.m. 7,723 114,890
2-4 p.m. 8,043 127,367
4-6 p.m. 5,733 83,215
6-8 p.m. 3,740 47,690
8-10 p.m. 1,961 23,318
10-12 p.m. 2,292 21,495
__________ _____________ _________________
Total: 50,220 656,173
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 10
Davis 0
Irvine 0
Los Angeles 2
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 1
Lawrence Berkeley 0
Lawrence Livermore 60
Los Alamos 0
MELWEB 33,868
Searchlight 1,015
Other - UC 234
Other-Network UC 15,030
_____
50,220
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 105
Davis 0
Irvine 0
Los Angeles 23
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 368
Los Alamos 0
MELWEB 617,940
Searchlight 0
Other - UC 1,931
Other-Network UC 35,806
_____
656,173
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 0.4
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) 20:01
Average session length (minutes:seconds) 15:55
Longest session recorded (minutes:seconds) 192:38
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 45.5
Retrievals per search - standard deviation 867.7
Percent of searches completed with 0 results 38.3%
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 50,220 21.2%
PRESENT 155,147 65.4%
INIT or CLOSE 31,924 13.4%
OTHER 64 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 TITLE19,148 34.4% 8,815 46.0% 4 172.4 1826.1
EXACT PE TITLE 8,844 15.9% 1,735 19.6% 2 30.2 496.1
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 1,553 2.8% 1,470 94.7% 3 21.0 50.4
CORP AUTHOR 3,013 5.4% 2,731 90.6% 6 145.6 909.9
EXACT CORP AUTH 73 0.1% 30 41.1% 12 142.1 213.7
SUBJECT 1,874 3.4% 1,272 67.9% 17 302.9 990.2
EXACT SUBJECT 130 0.2% 39 30.0% 9 391.3 2345.3
SERIES 35 0.1% 32 91.4% 1 13.3 21.4
EXACT SERIES 5 0.0% 3 60.0% 295 294.5 68.6
CODEN 23 0.0% 3 13.0% 1 1.1 0.4
ISBN 4,096 7.4% 4,095 100% 3 3.0 0.0
LCCN 590 1.1% 559 94.7% 1 1.1 0.3
ISSN 13,112 23.6% 692 5.3% 1 1.6 1.0
INDEXED BY 1 0.0% 1 100% 0 0.0 0.0
DLA ID 2 0.0% 1 50.0% 1 1.0 0.0
LOCAL NUM 74 0.1% 74 100% 0 0.0 0.0
GOV'T DOC NUM 3 0.0% 3 100% 0 0.0 0.0
REPORT NUM 1 0.0% 1 100% 0 0.0 0.0
STOCK NUM 0 0.0% 0 0.0% 0 0.0 0.0
GPO ITEM NUM 1 0.0% 1 100% 0 0.0 0.0
AT 3,014 5.4% 581 19.3% 2 39.6 355.2
RPE 28 0.1% 20 71.4% 11 10.6 7.4
RXPE 12 0.0% 8 66.7% 3 5.0 6.1
Other indexes 25 0.0% 19 76.0% 44 176.2 285.0
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 5,369 10.7% 2,877 53.6% 2 39.4 351.5
Single 44,851 89.3% 16,373 36.5% 2 76.7 1146.5
PRESENT commands, by type:
MARC 32.9%
OPAC 21.6%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)