如何解决GC_concurrent释放？

Question

07-06 10:33:28.405: DEBUG/dalvikvm(509): GC_CONCURRENT freed 4688K, 23% free 18428K/23751K, paused 7ms+19ms
07-06 10:33:29.484: DEBUG/dalvikvm(509): GC_CONCURRENT freed 24K, 14% free 20452K/23751K, paused 7ms+21ms
07-06 10:33:30.486: DEBUG/dalvikvm(509): GC_FOR_ALLOC freed 4623K, 26% free 17648K/23751K, paused 260ms
07-06 10:33:31.295: DEBUG/dalvikvm(509): GC_CONCURRENT freed 4K, 18% free 19692K/23751K, paused 6ms+19ms
07-06 10:33:32.335: DEBUG/dalvikvm(509): GC_CONCURRENT freed <1K, 9% free 21739K/23751K, paused 7ms+24ms
07-06 10:33:33.334: DEBUG/dalvikvm(509): GC_CONCURRENT freed 4614K, 20% free 19206K/23943K, paused 6ms+18ms
07-06 10:33:34.345: DEBUG/dalvikvm(509): GC_CONCURRENT freed <1K, 12% free 21254K/23943K, paused 7ms+26ms
07-06 10:33:35.245: DEBUG/dalvikvm(509): GC_CONCURRENT freed 4614K, 22% free 18687K/23943K, paused 6ms+17ms
07-06 10:33:36.275: DEBUG/dalvikvm(509): GC_CONCURRENT freed <1K, 14% free 20735K/23943K, paused 7ms+22ms
07-06 10:33:37.234: DEBUG/dalvikvm(509): GC_CONCURRENT freed 4614K, 25% free 18169K/23943K, paused 7ms+15ms
07-06 10:33:38.374: DEBUG/dalvikvm(509): GC_CONCURRENT freed <1K, 16% free 20217K/23943K, paused 6ms+28ms
07-06 10:33:39.547: DEBUG/dalvikvm(509): GC_CONCURRENT freed <1K, 8% free 22258K/23943K, paused 8ms+30ms
07-06 10:33:40.545: DEBUG/dalvikvm(509): GC_CONCURRENT freed 4614K, 20% free 19718K/24455K, paused 6ms+19ms
07-06 10:33:41.595: DEBUG/dalvikvm(509): GC_CONCURRENT freed <1K, 11% free 21766K/24455K, paused 7ms+24ms
07-06 10:33:42.575: DEBUG/dalvikvm(509): GC_CONCURRENT freed 4614K, 22% free 19199K/24455K, paused 7ms+19ms
07-06 10:33:43.814: DEBUG/dalvikvm(509): GC_CONCURRENT freed <1K, 14% free 21247K/24455K, paused 7ms+36ms
07-06 10:33:44.725: DEBUG/dalvikvm(509): GC_CONCURRENT freed 4614K, 24% free 18681K/24455K, paused 7ms+17ms
07-06 10:33:45.724: DEBUG/dalvikvm(509): GC_CONCURRENT freed <1K, 16% free 20729K/24455K, paused 7ms+23ms
07-06 10:33:46.654: DEBUG/dalvikvm(509): GC_CONCURRENT freed 4614K, 26% free 18162K/24455K, paused 7ms+12ms
07-06 10:33:47.746: DEBUG/dalvikvm(509): GC_CONCURRENT freed <1K, 18% free 20210K/24455K, paused 23ms+21ms
07-06 10:33:48.917: DEBUG/dalvikvm(509): GC_CONCURRENT freed <1K, 9% free 22258K/24455K, paused 6ms+29ms
07-06 10:33:49.924: DEBUG/dalvikvm(509): GC_CONCURRENT freed 4614K, 20% free 19691K/24455K, paused 7ms+20ms
07-06 10:33:51.164: DEBUG/dalvikvm(509): GC_CONCURRENT freed <1K, 12% free 21739K/24455K, paused 13ms+24ms
07-06 10:33:52.174: DEBUG/dalvikvm(509): GC_CONCURRENT freed 4614K, 22% free 19172K/24455K, paused 6ms+18ms
07-06 10:33:53.255: DEBUG/dalvikvm(509): GC_CONCURRENT freed <1K, 14% free 21220K/24455K, paused 6ms+26ms
07-06 10:33:54.234: DEBUG/dalvikvm(509): GC_CONCURRENT freed 4614K, 24% free 18654K/24455K, paused 7ms+17ms
07-06 10:33:55.324: DEBUG/dalvikvm(509): GC_CONCURRENT freed <1K, 16% free 20701K/24455K, paused 6ms+22ms
07-06 10:33:56.184: DEBUG/dalvikvm(509): GC_FOR_ALLOC freed 4610K, 28% free 17648K/24455K, paused 242ms
07-06 10:33:57.025: DEBUG/dalvikvm(509): GC_CONCURRENT freed 4K, 20% free 19692K/24455K, paused 7ms+20ms
07-06 10:33:58.085: DEBUG/dalvikvm(509): GC_CONCURRENT freed <1K, 12% free 21739K/24455K, paused 6ms+27ms
07-06 10:33:59.034: DEBUG/dalvikvm(509): GC_CONCURRENT freed 4614K, 22% free 19173K/24455K, paused 7ms+19ms
07-06 10:34:00.204: DEBUG/dalvikvm(509): GC_CONCURRENT freed <1K, 14% free 21221K/24455K, paused 7ms+44ms
07-06 10:34:01.164: DEBUG/dalvikvm(509): GC_CONCURRENT freed 4614K, 24% free 18654K/24455K, paused 7ms+17ms
07-06 10:34:02.176: DEBUG/dalvikvm(509): GC_CONCURRENT freed <1K, 16% free 20702K/24455K, paused 7ms+22ms
07-06 10:34:02.985: DEBUG/dalvikvm(509): GC_FOR_ALLOC freed 4610K, 28% free 17648K/24455K, paused 244ms
07-06 10:34:03.774: DEBUG/dalvikvm(509): GC_CONCURRENT freed 4K, 20% free 19692K/24455K, paused 7ms+20ms
07-06 10:34:04.813: DEBUG/dalvikvm(509): GC_CONCURRENT freed <1K, 12% free 21739K/24455K, paused 6ms+28ms

Answer 1

你的堆已满了

GC_CONCURRENT freed <1K, 14% free 21220K/24455K, paused 6ms+26ms

• GC_CONCURRENT：因为堆已满而跳入
• 14% free 21220K/24455K此次收集后，14％的内存是免费的。检查堆使用情况。
• paused 6ms+26ms收集垃圾所需的时间。

显然，您必须修复代码中存在大量内存泄漏。