MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 10/01/99 through 10/31/99
1.0 SUMMARY STATISTICS
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Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,432 15,284
2-4 a.m. 1,669 25,025
4-6 a.m. 118 2,524
6-8 a.m. 503 10,101
8-10 a.m. 4,119 85,060
10-12 a.m. 8,800 211,478
12-2 p.m. 8,906 216,750
2-4 p.m. 11,072 249,633
4-6 p.m. 8,606 193,683
6-8 p.m. 3,794 81,726
8-10 p.m. 2,539 63,524
10-12 p.m. 1,628 37,406
__________ _____________ _________________
Total: 53,186 1,192,194
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 763
Davis 650
Irvine 233
Los Angeles 372
Riverside 224
San Diego 1,746
San Francisco 232
Santa Barbara 660
Santa Cruz 429
Lawrence Berkeley 159
Lawrence Livermore 212
Los Alamos 0
MELWEB 16,685
Other - UC 29,854
Other-Network UC 967
_____
53,186
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 10,305
Davis 7,152
Irvine 3,226
Los Angeles 6,791
Riverside 3,416
San Diego 4,588
San Francisco 2,283
Santa Barbara 7,275
Santa Cruz 1,695
Lawrence Berkeley 2,880
Lawrence Livermore 3,505
Los Alamos 0
MELWEB 400,923
Other - UC 718,175
Other-Network UC 19,980
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1,192,194
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 1.2
Standard deviation in seconds 6.1
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.5
Standard deviation in seconds 1.4
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 22:20
Average session length (minutes:seconds) 21:44
Longest session recorded (minutes:seconds) 199:01
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 674.5
Retrievals per search - standard deviation 5838.6
Percent of searches completed with 0 results 24.9%
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 53,186 15.5%
PRESENT 270,339 79.0%
INIT or CLOSE 18,039 5.3%
OTHER 600 0.2%
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 21,437 28.8% 4,405 20.5% 18 259.0 3965.6
TITLE WORD 28,957 38.9% 7,322 25.3% 14 812.2 5725.3
EXACT TITLE 803 1.1% 507 63.1% 1 80.0 913.3
JOURNAL 5,947 8.0% 2,645 44.5% 21 2870.2 16466.7
EXACT JOURNAL 2,298 3.1% 766 33.3% 668 3660.9 8689.5
DATE 2,586 3.5% 565 21.8% 8 114.3 570.2
ADDED SINCE 2,277 3.1% 1,632 71.7% 3 9.8 19.4
SUBFILE 617 0.8% 222 36.0% 28 348.1 1827.6
LANGUAGE 1,703 2.3% 504 29.6% 26 535.2 3995.1
SUBJECT CATEGORY 1,034 1.4% 375 36.3% 15 182.4 789.0
PUB TYPE 776 1.0% 185 23.8% 23 269.8 1403.2
ISN 2 0.0% 2 100% 0 0.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 5,868 7.9% 1,501 25.6% 26 856.3 4565.2
Other indexes 73 0.1% 45 61.6% 20 1954.4 6417.7
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 16,263 30.6% 5,583 34.3% 9 508.6 5378.7
Single 36,923 69.4% 7,635 20.7% 27 1039.4 7142.0
PRESENT commands, by type:
MARC 55.8%
OPAC 28.8%