MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 07/01/00 through 07/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 3,607 42,320
2-4 a.m. 2,391 29,680
4-6 a.m. 2,569 22,499
6-8 a.m. 3,726 53,049
8-10 a.m. 9,904 237,029
10-12 a.m. 18,373 468,539
12-2 p.m. 17,959 400,788
2-4 p.m. 20,785 495,709
4-6 p.m. 13,474 315,221
6-8 p.m. 6,095 130,169
8-10 p.m. 3,273 76,799
10-12 p.m. 3,385 81,064
__________ _____________ _________________
Total: 105,541 2,352,866
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 4
Davis 0
Irvine 532
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 79,644
Searchlight 7,058
Other - UC 1,028
Other-Network UC 17,275
_____
105,541
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 5
Davis 0
Irvine 1,205
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 2,289,083
Searchlight 0
Other - UC 9,582
Other-Network UC 52,991
_____
2,352,866
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.3
Standard deviation in seconds 2.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:25
Average session length (minutes:seconds) 15:37
Longest session recorded (minutes:seconds) 228:02
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 88.5
Retrievals per search - standard deviation 1269.2
Percent of searches completed with 0 results 35.9%
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 105,541 17.4%
PRESENT 446,428 73.5%
INIT or CLOSE 54,904 9.0%
OTHER 424 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:
PERIODICAL TITLE54,260 43.6% 18,226 33.6% 4 180.8 1848.7
EXACT PE TITLE 28,788 23.1% 6,253 21.7% 2 58.1 1287.9
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 4,724 3.8% 4,259 90.2% 2 15.1 42.6
CORP AUTHOR 3,668 2.9% 2,781 75.8% 7 115.5 490.7
EXACT CORP AUTH 286 0.2% 72 25.2% 7 117.8 276.2
SUBJECT 10,068 8.1% 6,594 65.5% 12 357.7 1440.0
EXACT SUBJECT 849 0.7% 267 31.4% 7 247.8 1423.2
SERIES 139 0.1% 110 79.1% 5 22.2 55.0
EXACT SERIES 27 0.0% 9 33.3% 5 38.4 62.3
CODEN 35 0.0% 21 60.0% 1 1.3 0.6
ISBN 1,838 1.5% 1,836 99.9% 3 3.0 0.0
LCCN 84 0.1% 78 92.9% 2 2.0 1.5
ISSN 4,026 3.2% 371 9.2% 1 1.8 1.2
INDEXED BY 20 0.0% 20 100% 0 0.0 0.0
DLA ID 2 0.0% 2 100% 0 0.0 0.0
LOCAL NUM 36 0.0% 29 80.6% 20 28.9 21.3
GOV'T DOC NUM 16 0.0% 15 93.8% 47 47.0 0.0
REPORT NUM 14 0.0% 13 92.9% 1 1.0 0.0
STOCK NUM 10 0.0% 9 90.0% 1 1.0 0.0
GPO ITEM NUM 7 0.0% 6 85.7% 3 3.0 0.0
AT 15,210 12.2% 3,478 22.9% 2 37.9 292.5
RPE 209 0.2% 136 65.1% 6 148.7 716.4
RXPE 81 0.1% 45 55.6% 3 52.0 196.9
Other indexes 65 0.1% 47 72.3% 210 511.6 878.2
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 18,480 17.5% 6,397 34.6% 2 38.1 290.3
Single 87,061 82.5% 31,522 36.2% 3 159.9 1741.3
PRESENT commands, by type:
MARC 28.2%
OPAC 18.8%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)