[PHOENIX-4691] Keep Ring buffer size small by default and avoid starting disruptor for server connection

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.14.0, 5.0.0
• Fix Version/s: 4.14.0, 5.0.0
• Assignee: Ankit Singhal
• Reporter: Ankit Singhal
• Created: 14/Apr/18 14:24
• Updated: 17/Apr/18 09:52
• Resolved: 17/Apr/18 09:52

Description

To avoid OOM on connections made with small JVM.

Caused by: com.google.common.util.concurrent.ExecutionError: java.lang.OutOfMemoryError: GC overhead limit exceeded
	at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2256)
	at com.google.common.cache.LocalCache.get(LocalCache.java:3990)
	at com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4793)
	at org.apache.phoenix.jdbc.PhoenixDriver.getConnectionQueryServices(PhoenixDriver.java:241)
	at org.apache.phoenix.jdbc.PhoenixEmbeddedDriver.createConnection(PhoenixEmbeddedDriver.java:150)
	at org.apache.phoenix.jdbc.PhoenixDriver.connect(PhoenixDriver.java:221)
	at java.sql.DriverManager.getConnection(DriverManager.java:664)
	at java.sql.DriverManager.getConnection(DriverManager.java:208)
	at org.apache.phoenix.util.QueryUtil.getConnection(QueryUtil.java:390)
	at org.apache.phoenix.util.QueryUtil.getConnectionOnServer(QueryUtil.java:369)
	at org.apache.phoenix.util.QueryUtil.getConnectionOnServer(QueryUtil.java:359)
	at org.apache.phoenix.coprocessor.MetaDataEndpointImpl.createTable(MetaDataEndpointImpl.java:1708)
	... 9 more