Changes between Version 53 and Version 54 of jazz/Performance_Tuning

Timestamp:

Dec 28, 2016, 12:23:37 PM (7 years ago)

Author:

jazz

Comment:

--

jazz/Performance_Tuning

@@ -249 +249 @@
  # End of file
 }}}
+ * [參考] http://lzone.de/cheat-sheet/ulimit
+   * 指令: prlimit - 可以告訴你特定 process 的限制，並且設定想要的値
+{{{
+$ sudo prlimit --pid 641 --nofile=743964:743964
+$ sudo prlimit --pid 641
+RESOURCE   DESCRIPTION                             SOFT      HARD UNITS
+AS         address space limit                unlimited unlimited 位元組
+CORE       max core file size                         0 unlimited blocks
+CPU        CPU time                           unlimited unlimited seconds
+DATA       max data size                      unlimited unlimited 位元組
+FSIZE      max file size                      unlimited unlimited blocks
+LOCKS      max number of file locks held      unlimited unlimited 
+MEMLOCK    max locked-in-memory address space     65536     65536 位元組
+MSGQUEUE   max bytes in POSIX mqueues            819200    819200 位元組
+NICE       max nice prio allowed to raise             0         0 
+NOFILE     max number of open files              743964    743964 
+NPROC      max number of processes                56030     56030 
+RSS        max resident set size              unlimited unlimited pages
+RTPRIO     max real-time priority                     0         0 
+RTTIME     timeout for real-time tasks        unlimited unlimited microsecs
+SIGPENDING max number of pending signals          56030     56030 
+STACK      max stack size                       8388608 unlimited 位元組
+}}}
 
 == I/O Performance Tuning : NFS ==