curator | ZooKeeper client wrapper and rich ZooKeeper framework

I am new to Elasticsearch and I have been reading documentation in order to find a way of increasing amount of shards that my index consists of. Currently my index looks like this:

I hope this message finds all of you well. I have been working on a macro to make entomological specimen labels that come with an embedded QR code such that museum curators can scan the QR codes of a series of specimens in the same group and easily manipulate their data. The QR code images are inserted as "shapes" (I believe--they respond to shape commands in the macro), and are generated via the brilliant pure-VBA script by Jiri Gabriel, with editing by Jonas Heidelberg (https://github.com/JonasHeidelberg/barcode-vba-macro-only). The basic premise of the macro is that it takes some data, populates a bunch of cells with strings and values (i.e., what gets printed on the human-readable part of the individual labels), and then when all of the printed text is inserted, the macro iteratively generates one QR code image at a time and places each generated image next to the corresponding human-readable label.

The issue I'm running into is that the macro is quick to generate and insert the first few QR code images, and then gets progressively slower, and slower, and slower with each successive image--I presume because Excel is not built to handle a large number of high-resolution images on the same spreadsheet. My current sheet design accommodates 220 individual QR code images, but it takes nearly 10 minutes just to populate the spreadsheet with 50 QR code images (on the other hand it takes less than 30 seconds to populate with 10 QR code images, so the slowdown is appreciable).

Is there something I can do on the macro end to make the process not run so slowly? Things I have tried are as follows:

1. Disable screen updating - does not seem to improve the processing speed

2. Set calculation to manual - does not seem to improve the processing speed

3. After generating each QR code image, hide the image by using the following code, and then at the very end, turn all the images visible - seems to help a little bit but not nearly sufficient to make the macro usable at scale.

   ActiveSheet.Shapes.SelectAll

   Selection.ShapeRange.Visible = False

I've looked for solutions to see if all of the QR code image shapes can be merged into one shape, because after all, wouldn't it be easier to manage a single shape than 200+ individual small shapes? But alas there seems to be no functionality to combine all of the shapes into a single shape. Another solution I had thought about is if the macro can simultaneously generate all of the QR codes at once, instead of iteratively, then perhaps it won't have the issue of the later-coming shapes being so slow to render due to having to hold all of the previously rendered codes in its memory. But I haven't found a way to write the code such that all QR code image shapes are generated in parallel, rather than in sequence. Yet another solution I toyed with is to paste the shapes as PNG or some other image that could potentially be easier to deal with, but I get a lot of loss of quality, which seems strange because the QR code should be just a matrix of black and white cells, right? Why do they lose so much quality?

At any rate, any advice would be greatly appreciated! Thank you so much in advance!

EDIT: Thank you so much @Алексей-Р for the very helpful answer! Looks like I will upgrade my version of Excel... :)

I built the Apache Oozie 5.2.1 from the source code in my MacOS and currently having trouble running it. The ClassNotFoundException indicates a missing class org.apache.hadoop.conf.Configuration but it is available in both libext/ and the Hadoop file system.

I followed the 1st approach given here to copy Hadoop libraries to Oozie binary distro. https://oozie.apache.org/docs/5.2.1/DG_QuickStart.html

I downloaded Hadoop 2.6.0 distro and copied all the jars to libext before running Oozie in addition to other configs, etc as specified in the following blog.

https://www.trytechstuff.com/how-to-setup-apache-hadoop-2-6-0-version-single-node-on-ubuntu-mac/

This is how I installed Hadoop in MacOS. Hadoop 2.6.0 is working fine. http://zhongyaonan.com/hadoop-tutorial/setting-up-hadoop-2-6-on-mac-osx-yosemite.html

This looks pretty basic issue but could not find why the jar/class in libext is not loaded.

• OS: MacOS 10.14.6 (Mojave)
• JAVA: 1.8.0_191
• Hadoop: 2.6.0 (running in the Mac)

I am trying to start a basic project structure where multiple spring boot application will share resources using apache curator.

I am following the guides specified in documentation but changing the nodes doesnt trigger any events

Please, any help would be appreciated

pom.xml

I've recently started working on ELK Stack in my organisation, and there's a requirement that has got me wondering.

The cluster details are as follows:

• Hosted on AWS EC2 instances
• No repository has been registered for backups
• A curator is up an running, but not yet being utilized
• Using instance store

During my research, I learnt that the best way to backup is by using the Snapshot API method, but the problem is that it requires registering repositories(such as S3), and a node restart.

I've been told that a restart will cause all the data in that node to be lost. Is this true? If not, what would be the best way to go around to begin automated backups without any loss of data, if it's possible?

Thank you.

I'm trying to have two lines of headers with context change animation to work together like this:

I'm trying to use the REST APIs to delete Assets in Purview but I keep this error: "error_description": "AADSTS7000215: Invalid client secret is provided.\r\nTrace ID:

I have an App Registration that is assigned both the Owner and Purview Data Curator of my Purview Account.

When I enter the values of the App Registration along with it's client secrets (screenshot 1) into Postman I get an invalid client error (screenshot 2)

Screenshot 1

Screenshot 2

Any suggestions as to what I'm doing wrong? Thanks in advance?

I am trying to create a "directory" in Zookeeper like this:

I'm trying to understand if behaviour of the flink jobmanager during zookeeper upgrade is expected or not.

I'm running flink 1.11.2 in kubernetes, with zookeeper server 3.5.4-beta. While I'm doing zookeeper upgrade, there is a 20 seconds zookeeper downtime. I'd expect to either flink job to restart or few warnings in the logs during those 20 seconds. Instead, I see whole flink JVM crash ( and later the pod restart).

I expected for flink to internally retry zookeeper requests, so I'm surprised it crashes. Is this expected, or is it a bug?

From the logs