MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 02/01/02 through 02/28/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 7,004 90,235
2-4 a.m. 4,854 40,508
4-6 a.m. 5,220 39,872
6-8 a.m. 16,232 99,807
8-10 a.m. 25,580 342,724
10-12 a.m. 42,498 649,134
12-2 p.m. 44,630 732,448
2-4 p.m. 49,618 866,443
4-6 p.m. 36,915 633,388
6-8 p.m. 19,839 330,592
8-10 p.m. 14,068 258,938
10-12 p.m. 11,003 181,073
__________ _____________ _________________
Total: 277,461 4,265,162
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 24
Davis 11
Irvine 271
Los Angeles 0
Riverside 1
San Diego 5
San Francisco 2
Santa Barbara 6
Santa Cruz 0
Lawrence Berkeley 5
Lawrence Livermore 14
Los Alamos 0
MELWEB 201,245
Searchlight 9,939
Other - UC 1,913
Other-Network UC 64,025
_____
277,461
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 152
Davis 193
Irvine 749
Los Angeles 0
Riverside 0
San Diego 27
San Francisco 36
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 91
Los Alamos 0
MELWEB 4,109,515
Searchlight 0
Other - UC 16,044
Other-Network UC 138,355
_____
4,265,162
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 2.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.3
2.0 PERIODICALS Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 20:03
Average session length (minutes:seconds) 16:32
Longest session recorded (minutes:seconds) 269:48
Average number of searches completed per session 277461
Retrievals per search - median 1.0
Retrievals per search - average 57.8
Retrievals per search - standard deviation 920.4
Percent of searches completed with 0 results 35.6%
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 277,461 20.3%
PRESENT 919,357 67.2%
INIT or CLOSE 170,031 12.4%
OTHER 308 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 TITLE110205 35.0% 42,888 38.9% 5 168.1 1607.6
EXACT PE TITLE 53,080 16.9% 12,007 22.6% 2 38.9 922.6
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 7,183 2.3% 6,614 92.1% 2 31.8 189.2
CORP AUTHOR 12,881 4.1% 11,384 88.4% 6 108.3 654.3
EXACT CORP AUTH 626 0.2% 291 46.5% 7 149.7 344.7
SUBJECT 22,136 7.0% 13,975 63.1% 13 286.4 1164.9
EXACT SUBJECT 1,791 0.6% 604 33.7% 8 240.4 1439.1
SERIES 251 0.1% 205 81.7% 5 73.3 191.4
EXACT SERIES 47 0.0% 15 31.9% 3 43.9 102.4
CODEN 77 0.0% 27 35.1% 1 1.3 0.5
ISBN 11,490 3.6% 11,487 100% 1 3.0 3.5
LCCN 2,379 0.8% 2,321 97.6% 1 1.2 0.5
ISSN 64,837 20.6% 5,807 9.0% 1 1.6 1.0
INDEXED BY 30 0.0% 25 83.3% 454 440.0 222.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 35 0.0% 27 77.1% 10 17.4 20.9
GOV'T DOC NUM 41 0.0% 40 97.6% 4 4.0 0.0
REPORT NUM 16 0.0% 16 100% 0 0.0 0.0
STOCK NUM 7 0.0% 6 85.7% 1 1.0 0.0
GPO ITEM NUM 18 0.0% 10 55.6% 3 3.3 2.4
AT 27,144 8.6% 7,501 27.6% 2 40.1 262.0
RPE 297 0.1% 203 68.3% 7 84.5 262.0
RXPE 82 0.0% 66 80.5% 5 18.6 39.7
Other indexes 169 0.1% 110 65.1% 450 3403.6 12930.5
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 36,530 13.2% 16,115 44.1% 2 40.9 284.1
Single 240,931 86.8% 82,657 34.3% 2 96.0 1212.9
PRESENT commands, by type:
MARC 32.3%
OPAC 21.6%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)