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05-14-2019
07:02 PM
Hi @Geoffrey Shelton Okot, Thank you for your response. Yes, we currently have that ibdata file on a disk- which we believe we can increase the size of the of the same disk. if we change the size of the same disk then do we need to update the location anywhere? As we are not changing location of the ibdata file. is that correct? Please suggest.
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05-14-2019
05:53 PM
@Jay Kumar SenSharma - Can you please suggest based upon the requested information?
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05-13-2019
01:47 PM
@Jay Kumar SenSharma ... Can you please suggest based upon the requested information?
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05-12-2019
10:59 PM
@Jay Kumar SenSharma Thank you for your response. Here is the requested output : +--------------------+---------------+
| DB Name | DB Size in MB |
+--------------------+---------------+
| ambaridb | 651.8 |
| hivedb | 30274.0 |
| information_schema | 0.1 |
| mysql | 0.6 |
| ooziedb | 7041.9 |
| performance_schema | 0.0 |
| rangerdb | 29.4 |
+--------------------+---------------+ I have few followup questions: 1. If we delete the data from the table will ibdata1 file size will shrink? 2. Can we increase the disk size for that mount point where the ibdata1 file resides? what steps we will need to take? appreciate your help in this!
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05-12-2019
10:19 PM
Hi , We are using mysql for our cluster database. Currently we are seeing size of -rw-rw----. 1 mysql mysql 37G May 1 18:55 ibdata1 This database has - ambaridb/rangerdb/hivedb etc. is increasing day by day. and we don't enough space on the disk.. Is there any easy way where we can reduce the size of this mysql db? Or is there a way if we can move this to some other disk? or increase the size of this mount point? Please need suggestion
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04-26-2019
01:26 AM
@Geoffrey Shelton Okot Thank you. I think Decommissioning is a best way to do this. Do I need to turn on maintainance mode while I do decommissioning datanode? Also Do I need to stop the services like - NodeManager, Ambari metrics for that datanode after decommissioning?
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04-25-2019
02:48 AM
@Geoffrey Shelton Okot Thank you for your response. Instead of Decommissioning the node Can I stop it? What is the difference? Whats the best way to stop it or Decommission?
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04-24-2019
03:55 PM
Hi , We are using 12 Datanodes in our cluster. And we have 3 replication factor. Currently we are doing cost optimization and our total cluster is 35% used. We want to remove one datanode from our cluster, but we want to see first how our cluster performs on 11 datanodes. if it doesn't perform well, we need to restart that datanode again. To experiment this- Do I need to Stop the datanode or Decomission datanode? Please need suggestion.
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Apache Hadoop
03-22-2019
01:56 AM
Currently we are seeing our HDFS DFS directory is getting filled up and we have to remove the data at faster rate. We currently have 12 datanodes and 4 masternodes 1 edgenode. Can I delete the files from HDFS from masternodes and edgenodes at once? I have created a script on edgenode which deletes the HDFS files but speed is really slow. How can I delete multiple files at a time ? Can I place that script on multiple server and delete the files?
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Apache Hadoop