Hello, I am getting this YADE all the time HBASE_HEAPSIZE=8000
Settings: -ea -XX:+UseConcMarkSweepGC -XX:MaxGCPauseMillis=200 -XX:+HeapDumpOnOutOfMemoryError -XX:+CMSIncrementalMode -XX:+UseParNewGC -XX:CMSInitiatingOccupancyFraction=50 -XX:+UseCMSInitiatingOccupancyOnly -XX:NewSize=256m -XX:MaxNewSize=256m it seems there is promotion failure and the CMS take too long 2013-10-07T01:22:55.784+0900: [GC [ParNew: 235968K->26176K(235968K), 0.3219980 secs] 7709485K->7538063K(8165824K) icms_dc=0 , 0.3221100 secs] [Times: user=0.27 sys=0.01, real=0.33 secs] 2013-10-07T01:23:07.361+0900: [GC [ParNew: 235842K->26176K(235968K), 0.1899680 secs] 7747729K->7578713K(8165824K) icms_dc=0 , 0.1900700 secs] [Times: user=0.26 sys=0.02, real=0.19 secs] 2013-10-07T01:23:20.154+0900: [GC [ParNew: 235803K->26176K(235968K), 0.2428200 secs] 7788341K->7615284K(8165824K) icms_dc=0 , 0.2429570 secs] [Times: user=0.25 sys=0.02, real=0.24 secs] 2013-10-07T01:23:34.594+0900: [GC [ParNew: 235889K->26176K(235968K), 0.2440980 secs] 7824998K->7651179K(8165824K) icms_dc=0 , 0.2442130 secs] [Times: user=0.20 sys=0.03, real=0.25 secs] 2013-10-07T01:23:47.666+0900: [GC [ParNew: 235906K->26176K(235968K), 0.2998100 secs] 7860909K->7686832K(8165824K) icms_dc=3 , 0.3020280 secs] [Times: user=0.23 sys=0.04, real=0.30 secs] 2013-10-07T01:23:57.216+0900: [GC [1 CMS-initial-mark: 7660656K(7929856K)] 7788778K(8165824K), 3.7665320 secs] [Times: user=0.07 sys=0.06, real=3.77 secs] 2013-10-07T01:24:05.508+0900: [GC [ParNew: 235811K->26176K(235968K), 0.4632860 secs] 7896468K->7721167K(8165824K) icms_dc=3 , 0.4634100 secs] [Times: user=0.21 sys=0.03, real=0.46 secs] 2013-10-07T01:24:19.889+0900: [GC [ParNew: 235812K->26176K(235968K), 0.3531980 secs] 7930804K->7755633K(8165824K) icms_dc=3 , 0.3533230 secs] [Times: user=0.24 sys=0.06, real=0.35 secs] 2013-10-07T01:24:32.832+0900: [GC [ParNew: 235968K->26176K(235968K), 0.6298370 secs] 7965425K->7790643K(8165824K) icms_dc=3 , 0.6299530 secs] [Times: user=0.23 sys=0.03, real=0.63 secs] 2013-10-07T01:24:43.629+0900: [GC [ParNew: 235800K->26176K(235968K), 0.3190580 secs] 8000268K->7825555K(8165824K) icms_dc=3 , 0.3191840 secs] [Times: user=0.24 sys=0.02, real=0.32 secs] 2013-10-07T01:24:56.005+0900: [GC [ParNew: 235848K->26176K(235968K), 0.4839400 secs] 8035228K->7860300K(8165824K) icms_dc=3 , 0.4840480 secs] [Times: user=0.31 sys=0.03, real=0.49 secs] 2013-10-07T01:25:07.282+0900: [GC [ParNew: 235750K->26176K(235968K), 0.3423250 secs] 8069875K->7895852K(8165824K) icms_dc=9 , 0.3424380 secs] [Times: user=0.21 sys=0.06, real=0.34 secs] 2013-10-07T01:25:19.853+0900: [GC [ParNew (promotion failed): 235745K->235745K(235968K), 0.3339710 secs][CMS2013-10-07T01:25:29.750+0900: [CMS-concurrent-mark: 12.929/88.767 secs] [Times: user=14.30 sys=3.74, real=88.77 secs] (concurrent mode failure): 7899125K->2882954K(7929856K), 42.8279810 secs] 8105422K->2882954K(8165824K), [CMS Perm : 31956K->31861K(53340K)] icms_dc=9 , 43.1621090 secs] [Times: user=10.40 sys=1.89, real=43.16 secs] 2013-10-07T01:26:08.288+0900: [GC [1 CMS-initial-mark: 2882954K(7929856K)] 2978434K(8165824K), 0.0965830 secs] [Times: user=0.04 sys=0.00, real=0.09 secs] Heap par new generation total 235968K, used 197697K [0x0000000606e00000, 0x0000000616e00000, 0x0000000616e00000) eden space 209792K, 94% used [0x0000000606e00000, 0x0000000612f10718, 0x0000000613ae0000) from space 26176K, 0% used [0x0000000615470000, 0x0000000615470000, 0x0000000616e00000) to space 26176K, 0% used [0x0000000613ae0000, 0x0000000613ae0000, 0x0000000615470000) concurrent mark-sweep generation total 7929856K, used 2882954K [0x0000000616e00000, 0x00000007fae00000, 0x00000007fae00000) concurrent-mark-sweep perm gen total 53340K, used 31960K [0x00000007fae00000, 0x00000007fe217000, 0x0000000800000000) What is wrong here? please give me some suggestions. Sincerely, Prakash
