MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 11/03/01 through 11/09/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 510 9,839
2-4 a.m. 474 3,055
4-6 a.m. 280 1,642
6-8 a.m. 449 9,736
8-10 a.m. 1,096 16,536
10-12 a.m. 2,332 39,603
12-2 p.m. 2,738 48,487
2-4 p.m. 2,864 50,544
4-6 p.m. 2,337 40,415
6-8 p.m. 1,189 18,541
8-10 p.m. 836 13,157
10-12 p.m. 611 8,409
__________ _____________ _________________
Total: 15,716 259,964
1.1 SEARCH commands
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Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 181
Davis 371
Irvine 208
Los Angeles 156
Riverside 268
San Diego 71
San Francisco 57
Santa Barbara 97
Santa Cruz 27
Lawrence Berkeley 81
Lawrence Livermore 66
Los Alamos 0
MELWEB 0
Searchlight 2,231
Other - UC 11,713
Other-Network UC 189
_____
15,716
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 3,117
Davis 2,770
Irvine 4,147
Los Angeles 1,349
Riverside 2,955
San Diego 772
San Francisco 652
Santa Barbara 1,546
Santa Cruz 569
Lawrence Berkeley 1,161
Lawrence Livermore 1,619
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 238,027
Other-Network UC 1,280
_____
259,964
1.3 Response time
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Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 2.1
Standard deviation in seconds 7.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.5
Standard deviation in seconds 0.8
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:04
Average session length (minutes:seconds) 14:10
Longest session recorded (minutes:seconds) 164:38
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 600.3
Retrievals per search - standard deviation 7801.4
Percent of searches completed with 0 results 27.0%
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 15,716 18.2%
PRESENT 63,264 73.2%
INIT or CLOSE 7,420 8.6%
OTHER 70 0.1%
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:
PERSONAL AUTHOR 6,414 30.7% 1,383 21.6% 15 257.5 2520.1
TITLE WORD 9,091 43.5% 2,674 29.4% 10 692.7 7196.3
EXACT TITLE 182 0.9% 105 57.7% 1 95.5 619.0
JOURNAL 1,182 5.7% 502 42.5% 11 3506.9 28400.6
EXACT JOURNAL 532 2.5% 177 33.3% 361 3758.9 9723.6
DATE 613 2.9% 111 18.1% 6 141.1 798.6
ADDED SINCE 1,144 5.5% 839 73.3% 3 17.2 53.5
SUBFILE 168 0.8% 47 28.0% 18 106.3 355.2
LANGUAGE 274 1.3% 61 22.3% 32 932.8 5597.1
SUBJECT CATEGORY 157 0.8% 55 35.0% 11 86.0 380.6
PUB TYPE 139 0.7% 32 23.0% 22 204.6 801.1
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 996 4.8% 277 27.8% 26 867.7 6201.7
Other indexes 22 0.1% 20 90.9% 72 71.5 96.9
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 4,266 27.1% 1,694 39.7% 6 334.5 3667.5
Single 11,450 72.9% 2,550 22.3% 19 963.4 10162.1
PRESENT commands, by type:
MARC 55.3%
OPAC 29.7%
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