Re: Prevent the SSL Keystore and Truststore password from showing up in the Solr Admin and Linux processes (Solr 5.2.1)

2016-02-29 Thread Jeff Wu
Hi Katherine, we had exact the same issue, we need to protect our password. Anyone who can access to solr server can do "ps -elf|grep java" to grep the solr commandline, and it has all the password in plain text. The /bin/solr shell will set 10 related system property: SOLR_SSL_OPTS=" -Dsolr.jett

solr4.7: leader core does not elected to other active core after sorl OS shutdown, known issue?

2015-09-21 Thread Jeff Wu
Our environment still run with Solr4.7. Recently we noticed in a test. When we stopped 1 solr server(solr02, which did OS shutdown), all the cores of solr02 are shown as "down", but remains a few cores still as leaders. After that, we quickly seeing all other servers are still sending requests to t

Solr4.7: tlog replay has a major delay before start recovering transaction replay

2015-09-21 Thread Jeff Wu
Our environment ran in Solr4.7. Recently hit a core recovery failure and then it retries to recover from tlog. We noticed after 20:05:22 said Recovery failed, Solr server waited a long time before it started tlog replay. During that time, we have about 32 cores doing such tlog relay. The service

Re: solr4.7: leader core does not elected to other active core after sorl OS shutdown, known issue?

2015-09-21 Thread Jeff Wu
imeout to a > lower value but then it makes the cluster more sensitive to GC pauses > which can also trigger new leader elections. > > On Mon, Sep 21, 2015 at 5:55 PM, Jeff Wu wrote: > > Our environment still run with Solr4.7. Recently we noticed in a test. > When > > we

Re: Solr4.7: tlog replay has a major delay before start recovering transaction replay

2015-09-21 Thread Jeff Wu
ore it tells us "tlog replay" 2015-09-21 9:07 GMT-04:00 Shalin Shekhar Mangar : > Hi Jeff, > > Comments inline: > > On Mon, Sep 21, 2015 at 6:06 PM, Jeff Wu wrote: > > Our environment ran in Solr4.7. Recently hit a core recovery failure and > > then it retries to r

Re: solr4.7: leader core does not elected to other active core after sorl OS shutdown, known issue?

2015-09-21 Thread Jeff Wu
y releases the lease, so that other cores may claim it. > > Perhaps that explains the confusion? > > Shai > > On Mon, Sep 21, 2015 at 4:36 PM, Jeff Wu wrote: > > > Hi Shalin, thank you for the response. > > > > We waited longer enough than the ZK session timeout t

solr4.7: truncated log output in grouping.CommandHandler?

2015-10-19 Thread Jeff Wu
We had solr server 4.7 recently reported such WARN message, and come with a long GC pause after that. Sometime it will force Solr server disconnect with ZK server. Solr 4.7.0, got this warning message: WARN - 2015-10-19 02:23:24.503; org.apache.solr.search.grouping.CommandHandler; Query: +(+owner

Anyone users IBM J9 JVM with 32G max heap ? Tuning recommendations?

2015-10-19 Thread Jeff Wu
Hi all, we are using solr4.7 on top of IBM JVM J9 Java7, max heap to 32G, system RAM 64G. JVM parameters: -Xgcpolicy:balanced -verbose:gc -Xms12228m -Xmx32768m -XX:PermSize=128m -XX:MaxPermSize=512m We faced one issue here: we set zkClient timeout value to 30 seconds. By using the balanced GC po

Method to fix issue when you get KeeperErrorCode = NoAuth when Zookeeper ACL enabled

2015-12-02 Thread Jeff Wu
We have being following this wiki to enable ZooKeeper ACL control https://cwiki.apache.org/confluence/display/solr/ZooKeeper+Access+Control#ZooKeeperAccessControl-AboutZooKeeperACLs It works fine for Solr service itself, but when you try to use scripts/cloud-scripts/zkcli.sh to put a zNode, it thr