MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 01/20/01 through 01/26/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 833 16,282
2-4 a.m. 730 13,573
4-6 a.m. 696 9,187
6-8 a.m. 1,116 13,841
8-10 a.m. 3,125 65,114
10-12 a.m. 6,712 136,326
12-2 p.m. 7,291 132,515
2-4 p.m. 8,078 161,581
4-6 p.m. 6,371 135,270
6-8 p.m. 3,342 71,471
8-10 p.m. 2,682 52,251
10-12 p.m. 1,502 32,977
__________ _____________ _________________
Total: 42,478 840,388
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 0
Irvine 90
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 33,419
Searchlight 3,199
Other - UC 473
Other-Network UC 5,296
_____
42,478
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 16
Davis 0
Irvine 181
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 822,993
Searchlight 0
Other - UC 4,658
Other-Network UC 12,540
_____
840,388
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 3.7
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) 20:14
Average session length (minutes:seconds) 16:37
Longest session recorded (minutes:seconds) 204:49
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 69.8
Retrievals per search - standard deviation 856.0
Percent of searches completed with 0 results 35.1%
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 42,478 18.4%
PRESENT 163,901 71.1%
INIT or CLOSE 24,032 10.4%
OTHER 54 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 TITLE20,471 40.8% 7,118 34.8% 5 165.1 1408.1
EXACT PE TITLE 9,368 18.7% 2,114 22.6% 2 25.0 431.5
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 1,229 2.4% 1,096 89.2% 3 14.2 29.4
CORP AUTHOR 1,369 2.7% 1,090 79.6% 12 112.5 537.7
EXACT CORP AUTH 164 0.3% 76 46.3% 7 58.5 189.1
SUBJECT 4,498 9.0% 2,866 63.7% 14 276.3 1191.9
EXACT SUBJECT 461 0.9% 178 38.6% 8 291.2 1437.0
SERIES 31 0.1% 29 93.5% 7 7.0 5.7
EXACT SERIES 11 0.0% 5 45.5% 2 9.2 17.2
CODEN 86 0.2% 46 53.5% 1 1.4 1.7
ISBN 975 1.9% 975 100% 0 0.0 0.0
LCCN 67 0.1% 63 94.0% 1 1.0 0.0
ISSN 5,032 10.0% 380 7.6% 1 1.7 1.2
INDEXED BY 5 0.0% 5 100% 0 0.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 2 0.0% 1 50.0% 1 1.0 0.0
GOV'T DOC NUM 10 0.0% 10 100% 0 0.0 0.0
REPORT NUM 7 0.0% 7 100% 0 0.0 0.0
STOCK NUM 5 0.0% 5 100% 0 0.0 0.0
GPO ITEM NUM 4 0.0% 4 100% 0 0.0 0.0
AT 6,236 12.4% 1,807 29.0% 3 46.9 315.9
RPE 108 0.2% 69 63.9% 5 56.6 113.6
RXPE 24 0.0% 12 50.0% 3 10.7 18.6
Other indexes 26 0.1% 21 80.8% 137 295.2 238.0
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 7,461 17.6% 2,875 38.5% 3 46.0 311.2
Single 35,017 82.4% 12,014 34.3% 3 119.7 1152.4
PRESENT commands, by type:
MARC 29.6%
OPAC 20.9%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)