targer t

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Linux IDR mechanism __linux

= idp->layers; 213 if (Unlikely (!p)) {214 if (!) ( p = get_from_free_list (IDP)) 215 return-1; 216 P->layer = 0; 217 layers = 1; 218} 219/* * ADD a new layer to the "top of" the "the" of the tree if the requested 221 * ID is L Arger than the currently allocated space. 222 */223 while (Layers The allocation steps are as follows:1. Since IDR initialization, the cardinality tree does not have any tree nodes, and if there are no root nodes, the root

A/b Test sensitivity improvement by Using post-stratification

, and we can do this more effectively by developing a separate model for each TE RM, thus improving variance reduction.Post Stratification ImplementationStratification works best in combination with some control on outliers. In other words, when Psot-stratificationadjustment was applied on outliers processed data, the variance reduction is much l Arger than applying on raw data directly. A simple solution are to capoutliers at 99.9% percentile of GMB

Flume the issues encountered during deployment and the resolution (continuous update)

(defaultsinkprocessor.java:67)At Org.apache.flume.sinkrunner$pollingrunner.run (sinkrunner.java:145)At Java.lang.Thread.run (thread.java:745)caused by:org.apache.kafka.common.errors.RecordTooLargeException:The message ls 2606058 bytes when serialized which is L Arger than the maximum request size you have configured with the Max.request.size configuration. reason: similar to the previous point, here is Kafka sink, Flume as producer, but also to set t

Python uses PIL to zoom the network picture and save the method

= int ( H*factor) return Pil_image.resize ((width, height), image.antialias) root = Tk. Tk () # Size of image display box you wantw_box = 400h_box = 350# Find yourself a picture in the Internet Web page you like# (right click on the picture, under Properties copy the address) # a L Arger (x) picture from the internet# URL name is a long, so split iturl1 = "HTTP://FREEFLOWERPICTURES.NET/IMAGE/FL owers/petunia/"URL2 =" petunia-flower.jpg "url = url1 +

best time to Buy and Sell Stock II

Algorithm:Scan through the array, keep finding1. Prices[i] with the condition:prices[i] 2. Prices[i] with the condition:prices[i] > prices[i+1], or at the end of a ascending trend, treat it as selling PO IntKeeping till reach the end of the array;  Note:1. If a buying point is recorded and does reach the end, then must exist a selling point after it (must exist some point L Arger than buying point)2. If reach the end when finding the buying point, the

Using shell scripts to monitor Linux systems and process resources

) load. Multiple processes may run on the server, and it is normal for the CPU of a single process to be seen, but the CPU load of the entire system may be abnormal. Through the script to monitor the system CPU load, can send the alarm in time of abnormal, so as to facilitate the maintenance personnel timely processing, prevent accidents. The following functions can detect system CPU usage. Use Vmstat to take the idle value of 5 times the system CPU, take the average, and then get the actual CPU

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