kylin 构建 cube 时报错，原因是 reduce 内存分配不足
问题描述：Failure task Diagnostics: [2021-11-25 18:53:22.778]Container [pid=4143,containerID=container_1637894495535_0007_01_000013] is running 285661696B beyond the 'VIRTUAL' memory limit. Current usage: 124.1 MB of 1 GB physical memory used; 2.4 GB of 2.1 GB virtual memory used. Killing container. Dump of the process-tree for container_1637894495535_0007_01_000013 : |- PID PPID PGRPID SESSID CMD_NAME USER_MODE_TIME(MILLIS) SYSTEM_TIME(MILLIS) VMEM_USAGE(BYTES) RSSMEM_USAGE(PAGES) FULL_CMD_LINE |- 4143 4142 4143 4143 (bash) 0 0 9793536 290 /bin/bash -c /opt/module/jdk1.8.0_212/bin/java -Djava.net.preferIPv4Stack=true -Dhadoop.metrics.log.level=WARN -Xmx820m -Djava.io.tmpdir=/opt/module/hadoop-3.1.3/data/nm-local-dir/usercache/hadoop/appcache/application_1637894495535_0007/container_1637894495535_0007_01_000013/tmp -Dlog4j.configuration=container-log4j.properties -Dyarn.app.container.log.dir=/opt/module/hadoop-3.1.3/logs/userlogs/application_1637894495535_0007/container_1637894495535_0007_01_000013 -Dyarn.app.container.log.filesize=0 -Dhadoop.root.logger=INFO,CLA -Dhadoop.root.logfile=syslog -Dyarn.app.mapreduce.shuffle.logger=INFO,shuffleCLA -Dyarn.app.mapreduce.shuffle.logfile=syslog.shuffle -Dyarn.app.mapreduce.shuffle.log.filesize=0 -Dyarn.app.mapreduce.shuffle.log.backups=0 org.apache.hadoop.mapred.YarnChild 192.168.10.103 36822 attempt_1637894495535_0007_r_000000_1 13 1>/opt/module/hadoop-3.1.3/logs/userlogs/application_1637894495535_0007/container_1637894495535_0007_01_000013/stdout 2>/opt/module/hadoop-3.1.3/logs/userlogs/application_1637894495535_0007/container_1637894495535_0007_01_000013/stderr |- 4160 4143 4143 4143 (java) 411 18 2530725888 31474 /opt/module/jdk1.8.0_212/bin/java -Djava.net.preferIPv4Stack=true -Dhadoop.metrics.log.level=WARN -Xmx820m -Djava.io.tmpdir=/opt/module/hadoop-3.1.3/data/nm-local-dir/usercache/hadoop/appcache/application_1637894495535_0007/container_1637894495535_0007_01_000013/tmp -Dlog4j.configuration=container-log4j.properties -Dyarn.app.container.log.dir=/opt/module/hadoop-3.1.3/logs/userlogs/application_1637894495535_0007/container_1637894495535_0007_01_000013 -Dyarn.app.container.log.filesize=0 -Dhadoop.root.logger=INFO,CLA -Dhadoop.root.logfile=syslog -Dyarn.app.mapreduce.shuffle.logger=INFO,shuffleCLA -Dyarn.app.mapreduce.shuffle.logfile=syslog.shuffle -Dyarn.app.mapreduce.shuffle.log.filesize=0 -Dyarn.app.mapreduce.shuffle.log.backups=0 org.apache.hadoop.mapred.YarnChild 192.168.10.103 36822 attempt_1637894495535_0007_r_000000_1 13 [2021-11-25 18:53:22.831]Container killed on request. Exit code is 143 [2021-11-25 18:53:22.832]Container exited with a non-zero exit code 143.
解决方案：
参考官网文档：http://kylin.apache.org/docs20/install/advance_settings.html
在 cube 中插入修改，重启，构建成功！
