MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 12/01/00 through 12/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 3,475 45,744
2-4 a.m. 2,292 18,936
4-6 a.m. 2,228 21,986
6-8 a.m. 3,549 44,408
8-10 a.m. 9,104 184,262
10-12 a.m. 17,185 371,628
12-2 p.m. 18,317 391,523
2-4 p.m. 19,338 433,682
4-6 p.m. 15,326 279,889
6-8 p.m. 9,030 154,981
8-10 p.m. 5,799 136,261
10-12 p.m. 6,092 93,081
__________ _____________ _________________
Total: 111,735 2,176,381
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 0
Davis 2
Irvine 374
Los Angeles 0
Riverside 0
San Diego 1
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 78,311
Searchlight 7,553
Other - UC 1,495
Other-Network UC 23,999
_____
111,735
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 2
Irvine 702
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 2,124,126
Searchlight 0
Other - UC 11,322
Other-Network UC 40,229
_____
2,176,381
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) 20:11
Average session length (minutes:seconds) 15:30
Longest session recorded (minutes:seconds) 266:39
Average number of searches completed per session 37245
Retrievals per search - median 1.0
Retrievals per search - average 69.6
Retrievals per search - standard deviation 1024.4
Percent of searches completed with 0 results 40.3%
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 111,735 18.8%
PRESENT 419,006 70.5%
INIT or CLOSE 63,258 10.6%
OTHER 162 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 TITLE50,759 39.5% 19,165 37.8% 5 168.4 1612.0
EXACT PE TITLE 27,147 21.1% 6,552 24.1% 2 48.6 1133.1
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 3,678 2.9% 3,385 92.0% 3 19.6 83.2
CORP AUTHOR 4,624 3.6% 3,955 85.5% 7 108.0 468.5
EXACT CORP AUTH 300 0.2% 86 28.7% 7 137.9 299.2
SUBJECT 10,150 7.9% 6,388 62.9% 14 300.9 1221.7
EXACT SUBJECT 923 0.7% 331 35.9% 7 271.5 1298.5
SERIES 129 0.1% 96 74.4% 2 47.8 114.8
EXACT SERIES 46 0.0% 22 47.8% 10 79.6 198.0
CODEN 44 0.0% 15 34.1% 1 1.1 0.4
ISBN 6,994 5.4% 6,993 100% 7 7.0 0.0
LCCN 318 0.2% 279 87.7% 1 1.2 0.6
ISSN 9,955 7.7% 776 7.8% 1 1.7 1.1
INDEXED BY 24 0.0% 24 100% 0 0.0 0.0
DLA ID 2 0.0% 2 100% 0 0.0 0.0
LOCAL NUM 224 0.2% 222 99.1% 29 29.0 39.6
GOV'T DOC NUM 17 0.0% 15 88.2% 32 32.0 25.5
REPORT NUM 6 0.0% 6 100% 0 0.0 0.0
STOCK NUM 7 0.0% 7 100% 0 0.0 0.0
GPO ITEM NUM 2 0.0% 2 100% 0 0.0 0.0
AT 12,898 10.0% 3,128 24.3% 2 44.7 310.0
RPE 225 0.2% 154 68.4% 4 107.3 699.6
RXPE 54 0.0% 35 64.8% 4 253.8 1033.0
Other indexes 57 0.0% 36 63.2% 283 3633.0 9812.2
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 16,406 14.7% 6,197 37.8% 2 48.1 448.7
Single 95,329 85.3% 38,884 40.8% 3 129.0 1426.0
PRESENT commands, by type:
MARC 28.4%
OPAC 19.3%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)