MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 03/09/02 through 03/15/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,911 27,251
2-4 a.m. 1,638 11,576
4-6 a.m. 1,505 15,515
6-8 a.m. 3,278 27,468
8-10 a.m. 6,623 88,090
10-12 a.m. 10,529 170,221
12-2 p.m. 11,459 179,385
2-4 p.m. 13,229 214,150
4-6 p.m. 10,768 159,214
6-8 p.m. 6,530 84,859
8-10 p.m. 4,466 80,274
10-12 p.m. 4,206 55,735
__________ _____________ _________________
Total: 77,142 1,113,738
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1
Davis 2
Irvine 39
Los Angeles 2
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 3
Los Alamos 0
MELWEB 55,449
Searchlight 2,800
Other - UC 427
Other-Network UC 18,419
_____
77,142
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 5
Davis 0
Irvine 83
Los Angeles 10
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 3
Los Alamos 0
MELWEB 1,072,895
Searchlight 0
Other - UC 3,413
Other-Network UC 37,329
_____
1,113,738
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 1.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.2
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:03
Average session length (minutes:seconds) 16:41
Longest session recorded (minutes:seconds) 271:21
Average number of searches completed per session 11020
Retrievals per search - median 1.0
Retrievals per search - average 55.2
Retrievals per search - standard deviation 922.5
Percent of searches completed with 0 results 38.0%
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 77,142 21.1%
PRESENT 241,523 66.2%
INIT or CLOSE 46,043 12.6%
OTHER 100 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 TITLE31,108 35.2% 13,148 42.3% 4 147.9 1452.3
EXACT PE TITLE 15,030 17.0% 3,348 22.3% 2 56.3 1349.3
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 2,136 2.4% 1,975 92.5% 2 10.4 40.9
CORP AUTHOR 4,096 4.6% 3,646 89.0% 6 82.7 438.7
EXACT CORP AUTH 140 0.2% 64 45.7% 4 182.7 368.8
SUBJECT 6,178 7.0% 3,888 62.9% 13 301.6 1219.2
EXACT SUBJECT 421 0.5% 133 31.6% 9 478.4 2071.6
SERIES 82 0.1% 72 87.8% 3 102.1 309.9
EXACT SERIES 18 0.0% 8 44.4% 3 61.4 85.5
CODEN 46 0.1% 5 10.9% 1 1.2 0.6
ISBN 3,899 4.4% 3,899 100% 0 0.0 0.0
LCCN 633 0.7% 602 95.1% 1 1.1 0.4
ISSN 16,068 18.2% 1,010 6.3% 1 1.7 1.0
INDEXED BY 12 0.0% 12 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 145 0.2% 144 99.3% 1 1.0 0.0
GOV'T DOC NUM 5 0.0% 5 100% 0 0.0 0.0
REPORT NUM 1 0.0% 1 100% 0 0.0 0.0
STOCK NUM 2 0.0% 2 100% 0 0.0 0.0
GPO ITEM NUM 0 0.0% 0 0.0% 0 0.0 0.0
AT 8,305 9.4% 1,999 24.1% 2 42.8 472.2
RPE 86 0.1% 72 83.7% 5 35.2 89.8
RXPE 18 0.0% 10 55.6% 6 7.1 6.5
Other indexes 42 0.0% 29 69.0% 361 3239.8 9853.0
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 11,074 14.4% 4,559 41.2% 2 42.3 465.2
Single 66,068 85.6% 24,734 37.4% 2 96.3 1245.1
PRESENT commands, by type:
MARC 32.4%
OPAC 22.3%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)