Reply To: Falcon UI
Christopher thank you for answer! I figured out what was the issue – it actually works well, but it doesn’t show nothing until you have processes (jobs) completed with some status.
View ArticleRanger user-sync with LDAP authentication – error
Hello We are trying to connect Ranger to our LDAP server (Microsoft Active Directory). We filled install.properties file with all the correct values: SYNC_SOURCE = ldap SYNC_LDAP_URL =...
View Articleambari on bananapi with centos
Hi there, I’m trying to install hadoop with ambari on a small bananapi cluster in order to test and evaluate hadoop in small cluster environment. I’m using a CentOS 6.6 on a VM for the ambari-server …...
View ArticleHive Not Equal Issue
Any guidance on why the following query works correctly for “=” but when I change to != it returns an error? See last line. select count(*) from projected_inventory_finished_goods a join zsnp_projinv...
View ArticleReply To: Hive Not Equal Issue
Nevermind – I took it out of the join and put in in a where clause and it works now.
View ArticleReply To: Query on partition with where clause based on unix_timestamp()
When there are UDFs on the partition column, hive does not push the predicate down to the metastore to get only those partitions. That is why it is scannign all partitions and applying the where...
View ArticleReply To: Failure registering hosts
Hi, Did you resolve this issue? I’m facing the same issue now. Thanks,
View ArticleReply To: Hive UDF function request problem
Thanks Thejas. I used the LAG function to compare the current value to previous one like this select t.date, t.state from (select date, HA300BL_P, statechanged(LAG(state, 1) over (PARTITION BY...
View ArticleReply To: Unable to access Ambari from webbrowser
Chris, it worked fine upon restart. I used around 4GB.
View ArticleReply To: Query on partition with where clause based on unix_timestamp()
I talked to one of the developers who worked on constant folding optimization in hive. Starting Hive 0.14 (HDP 2.2), this should be getting optimized. What version of hive/HDP are you using ?
View ArticleReply To: Error: HDP 2.1 Installation nagios-plugins-1.4.9-1.x86_64 failed
This issue got resolved * Removed all nagios dependencies libcrypto.so.10 and libssl.so.10 * Installed afresh
View ArticleReply To: running Hadoop with HBase:...
I’ve somehow solved this error by just re-installing both Hadoop 2.5.1 and HBase 0.98.10 (I still have no idea why).
View ArticleReply To: Unable to get past step 9 – Hive Metastore start – fails
+1 on Chakra Sankaraiah’s comment. I ran into the same problem, Step 1, enable verbosity. E.g., $ export HIVE_CONF_DIR=/etc/hive/conf.server ; /usr/hdp/current/hive-metastore/bin/schematool -dbType...
View ArticleReply To: Data size on HDFS
In general Hadoop tools do not take replication into account unless you are talking about disk space… So hdfs dfsadmin -report Will tell you the amount of HDFS disk space used, including replication,...
View ArticleReply To: Query on partition with where clause based on unix_timestamp()
As this is an optimization rather than a critical bug fix, this is unlikely to get backported to Hive 0.13 (or HPD 2.1 line).
View ArticleServices failed to start during install & post install URGENT!
I’ve made several attempts of installing a 4 node cluster using Ambari 1.7 HDP 2.1 on RHEL 6.5 All the applications install but always fail on starting the services. This causes basically all...
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Reply To: Tutorial:Real time Data Ingestion in HBase & Hive using Storm Bolt
Hi Guys, This is the Solution that worked for me You need to do some changes to the pom.xml. Add these Dependencies : <dependency> <groupId>xerces</groupId>...
View ArticleHive .14
Hi All, In the link below, we say ” The major compaction will request the lowest inflight transaction id and rewrite the base with the merged transaction that are less than it. ”...
View ArticleGetting errors in Storm tutorial
I am trying to implement bolts to send data from Storm to hive and hbase as shown by tutorial (http://hortonworks.com/hadoop-tutorial/real-time-data-ingestion-hbase-hive-using-storm-bolt/ ) However, I...
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