MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 07/01/99 through 07/31/99
1.0 SUMMARY STATISTICS
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Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 479 15,068
2-4 a.m. 1,963 21,583
4-6 a.m. 227 6,281
6-8 a.m. 479 9,219
8-10 a.m. 3,568 75,595
10-12 a.m. 7,788 182,373
12-2 p.m. 7,284 158,408
2-4 p.m. 9,145 198,762
4-6 p.m. 7,167 164,822
6-8 p.m. 2,870 68,127
8-10 p.m. 1,304 28,846
10-12 p.m. 1,062 25,082
__________ _____________ _________________
Total: 43,336 954,166
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 977
Davis 696
Irvine 331
Los Angeles 790
Riverside 386
San Diego 1,317
San Francisco 251
Santa Barbara 194
Santa Cruz 612
Lawrence Berkeley 90
Lawrence Livermore 206
Los Alamos 0
MELWEB 35,321
Other - UC 900
Other-Network UC 1,265
_____
43,336
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 14,805
Davis 8,468
Irvine 3,017
Los Angeles 10,001
Riverside 3,969
San Diego 4,726
San Francisco 4,186
Santa Barbara 4,852
Santa Cruz 1,328
Lawrence Berkeley 980
Lawrence Livermore 2,176
Los Alamos 0
MELWEB 860,091
Other - UC 16,015
Other-Network UC 19,552
_____
954,166
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 0.9
Standard deviation in seconds 3.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.9
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 22:01
Average session length (minutes:seconds) 21:24
Longest session recorded (minutes:seconds) 198:54
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 539.8
Retrievals per search - standard deviation 5922.1
Percent of searches completed with 0 results 24.8%
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 43,336 14.8%
PRESENT 233,546 79.9%
INIT or CLOSE 13,631 4.7%
OTHER 1,900 0.6%
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 21,264 36.0% 4,509 21.2% 18 223.0 3396.7
TITLE WORD 20,465 34.7% 5,608 27.4% 13 616.8 4784.2
EXACT TITLE 527 0.9% 341 64.7% 1 673.1 5146.9
JOURNAL 5,115 8.7% 2,029 39.7% 8 2213.3 18446.6
EXACT JOURNAL 1,952 3.3% 547 28.0% 396 3283.5 7564.6
DATE 2,889 4.9% 731 25.3% 4 100.5 740.1
ADDED SINCE 1,442 2.4% 1,073 74.4% 2 117.9 2011.5
SUBFILE 394 0.7% 138 35.0% 29 212.6 1168.2
LANGUAGE 801 1.4% 215 26.8% 25 350.4 2133.8
SUBJECT CATEGORY 639 1.1% 227 35.5% 16 155.4 623.0
PUB TYPE 403 0.7% 101 25.1% 32 769.9 7171.3
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 3,123 5.3% 935 29.9% 24 507.6 2248.7
Other indexes 29 0.0% 21 72.4% 8 46.9 78.3
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 12,311 28.4% 4,450 36.1% 6 337.2 5066.5
Single 31,025 71.6% 6,298 20.3% 26 838.8 7285.4
PRESENT commands, by type:
MARC 59.8%
OPAC 24.0%