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我目前在使用Kafka和Storm時出現問題。 直到前幾天我用了一臺Windows電腦,但現在swticthed使用Mac。Storm和Kafka:增加打開文件描述符的數量
我的卡夫卡隊列裝滿約。 4,800萬條消息。
現在發生的是, 4600處理的消息我得到10240打開的文件描述符,我沒有擺脫。
當我達到10240個打開的文件描述符,暴風試圖打開一個動物園管理員文件和失敗:
java.io.FileNotFoundException: /var/folders/2p/3xcy9hp10gd852_06v0dzg440000gn/T/c5a2bffa-ff9a-4093-9002-79cee98385dc/workers/5a809959-53b7-48f4-848e-ed585007d9ed/heartbeats/1416569332681 (Too many open files)
at java.io.FileOutputStream.open(Native Method) ~[na:1.8.0_25]
at java.io.FileOutputStream.<init>(FileOutputStream.java:213) ~[na:1.8.0_25]
at org.apache.commons.io.FileUtils.openOutputStream(FileUtils.java:367) ~[commons-io-2.4.jar:2.4]
at org.apache.commons.io.FileUtils.writeByteArrayToFile(FileUtils.java:2094) ~[commons-io-2.4.jar:2.4]
at org.apache.commons.io.FileUtils.writeByteArrayToFile(FileUtils.java:2078) ~[commons-io-2.4.jar:2.4]
at backtype.storm.utils.LocalState.persist(LocalState.java:86) ~[storm-core-0.9.2-incubating.jar:0.9.2-incubating]
at backtype.storm.utils.LocalState.put(LocalState.java:66) ~[storm-core-0.9.2-incubating.jar:0.9.2-incubating]
at backtype.storm.daemon.worker$do_heartbeat.invoke(worker.clj:68) ~[storm-core-0.9.2-incubating.jar:0.9.2-incubating]
at backtype.storm.daemon.worker$fn__4527$exec_fn__1096__auto____4528$heartbeat_fn__4529.invoke(worker.clj:357) ~[storm-core-0.9.2-incubating.jar:0.9.2-incubating]
at backtype.storm.timer$schedule_recurring$this__1639.invoke(timer.clj:99) ~[storm-core-0.9.2-incubating.jar:0.9.2-incubating]
at backtype.storm.timer$mk_timer$fn__1622$fn__1623.invoke(timer.clj:50) ~[storm-core-0.9.2-incubating.jar:0.9.2-incubating]
at backtype.storm.timer$mk_timer$fn__1622.invoke(timer.clj:42) [storm-core-0.9.2-incubating.jar:0.9.2-incubating]
at clojure.lang.AFn.run(AFn.java:24) [clojure-1.5.1.jar:na]
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_25]
做一些google搜索後,我發現增加最大文件限制,我增加它們如下( launchctl):
launchctl limit
cpu unlimited unlimited
filesize unlimited unlimited
data unlimited unlimited
stack 8388608 67104768
core 0 unlimited
rss unlimited unlimited
memlock unlimited unlimited
maxproc 1064 1064
maxfiles 1638400 2048000
ulimit -a
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
file size (blocks, -f) unlimited
max locked memory (kbytes, -l) unlimited
max memory size (kbytes, -m) unlimited
open files (-n) 4096
pipe size (512 bytes, -p) 1
stack size (kbytes, -s) 8192
cpu time (seconds, -t) unlimited
max user processes (-u) 1064
virtual memory (kbytes, -v) unlimited
仍然不好,它不斷崩潰。正如我已經提到的,Kafka Spout似乎比我的拓撲可以承認的要多。
對此有何暗示?
謝謝! PS:我使用Storm 0.9.2-incubatin,核心和卡夫卡。