MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 09/01/00 through 09/30/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 4,451 42,414
2-4 a.m. 2,174 25,706
4-6 a.m. 2,090 29,115
6-8 a.m. 3,888 48,018
8-10 a.m. 10,694 257,123
10-12 a.m. 19,595 466,629
12-2 p.m. 18,962 474,512
2-4 p.m. 20,865 526,207
4-6 p.m. 15,190 349,170
6-8 p.m. 8,461 176,502
8-10 p.m. 5,387 141,312
10-12 p.m. 4,340 86,469
__________ _____________ _________________
Total: 116,097 2,623,177
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 0
Irvine 527
Los Angeles 0
Riverside 1
San Diego 3
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 82,770
Searchlight 8,062
Other - UC 2,277
Other-Network UC 22,457
_____
116,097
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 0
Irvine 3,436
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 2,552,716
Searchlight 0
Other - UC 18,397
Other-Network UC 48,628
_____
2,623,177
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 3.4
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) 20:26
Average session length (minutes:seconds) 16:21
Longest session recorded (minutes:seconds) 232:45
Average number of searches completed per session 5804.8
Retrievals per search - median 1.0
Retrievals per search - average 71.2
Retrievals per search - standard deviation 1002.0
Percent of searches completed with 0 results 37.6%
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 116,097 17.3%
PRESENT 491,433 73.4%
INIT or CLOSE 62,068 9.3%
OTHER 204 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 TITLE58,038 43.5% 19,533 33.7% 5 153.4 1558.2
EXACT PE TITLE 28,678 21.5% 6,501 22.7% 2 39.3 800.8
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 3,196 2.4% 2,928 91.6% 3 21.9 64.3
CORP AUTHOR 4,358 3.3% 3,504 80.4% 6 102.0 423.2
EXACT CORP AUTH 306 0.2% 79 25.8% 6 100.2 253.8
SUBJECT 9,136 6.8% 5,626 61.6% 14 341.0 1416.7
EXACT SUBJECT 954 0.7% 271 28.4% 8 216.0 1067.9
SERIES 127 0.1% 107 84.3% 11 137.4 215.3
EXACT SERIES 39 0.0% 19 48.7% 42 268.3 697.3
CODEN 76 0.1% 30 39.5% 1 1.2 0.5
ISBN 7,049 5.3% 7,047 100% 3 3.0 0.0
LCCN 215 0.2% 200 93.0% 1 1.2 0.6
ISSN 7,110 5.3% 691 9.7% 1 1.8 1.2
INDEXED BY 25 0.0% 23 92.0% 4 4.0 4.2
DLA ID 3 0.0% 2 66.7% 1 1.0 0.0
LOCAL NUM 79 0.1% 74 93.7% 44 27.8 22.7
GOV'T DOC NUM 42 0.0% 40 95.2% 26 25.5 34.6
REPORT NUM 11 0.0% 11 100% 0 0.0 0.0
STOCK NUM 8 0.0% 8 100% 0 0.0 0.0
GPO ITEM NUM 9 0.0% 5 55.6% 2 2.0 0.8
AT 13,721 10.3% 2,808 20.5% 2 33.6 232.5
RPE 188 0.1% 121 64.4% 7 153.4 736.4
RXPE 63 0.0% 36 57.1% 3 79.6 319.1
Other indexes 74 0.1% 51 68.9% 98 705.0 886.1
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 17,066 14.7% 5,762 33.8% 2 34.2 232.6
Single 99,031 85.3% 37,892 38.3% 3 128.9 1374.5
PRESENT commands, by type:
MARC 27.3%
OPAC 18.1%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)