Aman Jain created ZOOKEEPER-4524:
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             Summary: Getting too many debug logs in zookeeper 3.8.0. How to 
change log level?
                 Key: ZOOKEEPER-4524
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4524
             Project: ZooKeeper
          Issue Type: Task
            Reporter: Aman Jain


I am running 3.8.0 version of Zookeeper that uses logback. 
Getting too many debug logs, In 7 hours it logged more than 300M worth of logs.
{code:java}
// ffe zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a
11:38:58.325 [ProcessThread(sid:0 cport:2181):] DEBUG 
org.apache.zookeeper.server.SessionTrackerImpl - Checking session 
0x1020a4e931f0035
11:38:58.325 [SyncThread:0] DEBUG 
org.apache.zookeeper.server.FinalRequestProcessor - Processing request:: 
sessionid:0x1020a4e931f0035 type:ping cxid:0xfffffffffffffffe 
zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a
11:38:58.325 [SyncThread:0] DEBUG 
org.apache.zookeeper.server.FinalRequestProcessor - sessionid:0x1020a4e931f0035 
type:ping cxid:0xfffffffffffffffe zxid:0xfffffffffffffffe txntype:unknown 
reqpath:n/a
11:38:59.659 [ProcessThread(sid:0 cport:2181):] DEBUG 
org.apache.zookeeper.server.SessionTrackerImpl - Checking session 
0x1020a4e931f0035
11:38:59.659 [SyncThread:0] DEBUG 
org.apache.zookeeper.server.FinalRequestProcessor - Processing request:: 
sessionid:0x1020a4e931f0035 type:ping cxid:0xfffffffffffffffe 
zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a
11:38:59.659 [SyncThread:0] DEBUG 
org.apache.zookeeper.server.FinalRequestProcessor - sessionid:0x1020a4e931f0035 
type:ping cxid:0xfffffffffffffffe zxid:0xfffffffffffffffe txntype:unknown 
reqpath:n/a
11:38:59.869 [ProcessThread(sid:0 cport:2181):] DEBUG 
org.apache.zookeeper.server.SessionTrackerImpl - Checking session 
0x1020a4e931f0024
11:38:59.869 [SyncThread:0] DEBUG 
org.apache.zookeeper.server.FinalRequestProcessor - Processing request:: 
sessionid:0x1020a4e931f0024 type:ping cxid:0xfffffffffffffffe 
zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a
11:38:59.869 [SyncThread:0] DEBUG 
org.apache.zookeeper.server.FinalRequestProcessor - sessionid:0x1020a4e931f0024 
type:ping cxid:0xfffffffffffffffe zxid:0xfffffffffffffffe txntype:unknown 
reqpath:n/a
11:39:00.993 [ProcessThread(sid:0 cport:2181):] DEBUG 
org.apache.zookeeper.server.SessionTrackerImpl - Checking session 
0x1020a4e931f0035
11:39:00.993 [SyncThread:0] DEBUG 
org.apache.zookeeper.server.FinalRequestProcessor - Processing request:: 
sessionid:0x1020a4e931f0035 type:ping cxid:0xfffffffffffffffe 
zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a
11:39:00.993 [SyncThread:0] DEBUG 
org.apache.zookeeper.server.FinalRequestProcessor - sessionid:0x1020a4e931f0035 
type:ping cxid:0xfffffffffffffffe zxid:0xfffffffffffffffe txntype:unknown 
reqpath:n/a
11:39:02.327 [ProcessThread(sid:0 cport:2181):] DEBUG 
org.apache.zookeeper.server.SessionTrackerImpl - Checking session 
0x1020a4e931f0035
11:39:02.327 [SyncThread:0] DEBUG 
org.apache.zookeeper.server.FinalRequestProcessor - Processing request:: 
sessionid:0x1020a4e931f0035 type:ping cxid:0xfffffffffffffffe 
zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a
11:39:02.327 [SyncThread:0] DEBUG 
org.apache.zookeeper.server.FinalRequestProcessor - sessionid:0x1020a4e931f0035 
type:ping cxid:0xfffffffffffffffe zxid:0xfffffffffffffffe txntype:unknown 
reqpath:n/a
11:39:03.661 [ProcessThread(sid:0 cport:2181):] DEBUG 
org.apache.zookeeper.server.SessionTrackerImpl - Checking session 
0x1020a4e931f0035
11:39:03.661 [SyncThread:0] DEBUG 
org.apache.zookeeper.server.FinalRequestProcessor - Processing request:: 
sessionid:0x1020a4e931f0035 type:ping cxid:0xfffffffffffffffe 
zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a
11:39:03.661 [SyncThread:0] DEBUG 
org.apache.zookeeper.server.FinalRequestProcessor - sessionid:0x1020a4e931f0035 
type:ping cxid:0xfffffffffffffffe zxid:0xfffffffffffffffe txntype:unknown 
reqpath:n/a
11:39:04.995 [ProcessThread(sid:0 cport:2181):] DEBUG 
org.apache.zookeeper.server.SessionTrackerImpl - Checking session 
0x1020a4e931f0035
11:39:04.995 [SyncThread:0] DEBUG 
org.apache.zookeeper.server.FinalRequestProcessor - Processing request:: 
sessionid:0x1020a4e931f0035 type:ping cxid:0xfffffffffffffffe 
zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a
11:39:04.995 [SyncThread:0] DEBUG 
org.apache.zookeeper.server.FinalRequestProcessor - sessionid:0x1020a4e931f0035 
type:ping cxid:0xfffffffffffffffe zxid:0xfffffffffffffffe txntype:unknown 
reqpath:n/a
11:39:05.874 [ProcessThread(sid:0 cport:2181):] DEBUG 
org.apache.zookeeper.server.SessionTrackerImpl - Checking session 
0x1020a4e931f0024
11:39:05.874 [SyncThread:0] DEBUG 
org.apache.zookeeper.server.FinalRequestProcessor - Processing request:: 
sessionid:0x1020a4e931f0024 type:ping cxid:0xfffffffffffffffe 
zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a
11:39:05.874 [SyncThread:0] DEBUG 
org.apache.zookeeper.server.FinalRequestProcessor - sessionid:0x1020a4e931f0024 
type:ping cxid:0xfffffffffffffffe zxid:0xfffffffffffffffe txntype:unknown 
reqpath:n/a
11:39:06.329 [ProcessThread(sid:0 cport:2181):] DEBUG 
org.apache.zookeeper.server.SessionTrackerImpl - Checking session 
0x1020a4e931f0035
11:39:06.329 [SyncThread:0] DEBUG 
org.apache.zookeeper.server.FinalRequestProcessor - Processing request:: 
sessionid:0x1020a4e931f0035 type:ping cxid:0xfffffffffffffffe 
zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a
11:39:06.329 [SyncThread:0] DEBUG 
org.apache.zookeeper.server.FinalRequestProcessor - sessionid:0x1020a4e931f0035 
type:ping cxid:0xfffffffffffffffe zxid:0xfffffffffffffffe txntype:unknown 
reqpath:n/a {code}
How to change the log level in 3.8.0 kafka?



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