memcached增长因子导致的问题
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javantsky
2010-08-31
memcached版本为：1.4.5 xmemcached版本为：1.2.5
我的memcached启动命令为： memcached -p 11211 -u root -f 1.001 -m 64 -n 128 -vv 启动后： slab class 1: chunk size 176 perslab 5957 slab class 2: chunk size 176 perslab 5957 slab class 3: chunk size 176 perslab 5957 slab class 4: chunk size 176 perslab 5957 slab class 5: chunk size 176 perslab 5957 slab class 6: chunk size 176 perslab 5957 slab class 7: chunk size 176 perslab 5957 slab class 8: chunk size 176 perslab 5957 slab class 9: chunk size 176 perslab 5957 slab class 10: chunk size 176 perslab 5957 slab class 11: chunk size 176 perslab 5957 slab class 12: chunk size 176 perslab 5957 slab class 13: chunk size 176 perslab 5957 slab class 14: chunk size 176 perslab 5957 slab class 15: chunk size 176 perslab 5957 slab class 16: chunk size 176 perslab 5957 slab class 17: chunk size 176 perslab 5957 slab class 18: chunk size 176 perslab 5957 slab class 19: chunk size 176 perslab 5957 slab class 20: chunk size 176 perslab 5957 slab class 21: chunk size 176 perslab 5957 slab class 22: chunk size 176 perslab 5957 slab class 23: chunk size 176 perslab 5957 slab class 24: chunk size 176 perslab 5957 slab class 25: chunk size 176 perslab 5957 slab class 26: chunk size 176 perslab 5957 slab class 27: chunk size 176 perslab 5957 slab class 28: chunk size 176 perslab 5957 slab class 29: chunk size 176 perslab 5957 slab class 30: chunk size 176 perslab 5957 slab class 31: chunk size 176 perslab 5957 slab class 32: chunk size 176 perslab 5957 slab class 33: chunk size 176 perslab 5957 slab class 34: chunk size 176 perslab 5957 slab class 35: chunk size 176 perslab 5957 slab class 36: chunk size 176 perslab 5957 slab class 37: chunk size 176 perslab 5957 slab class 38: chunk size 176 perslab 5957 slab class 39: chunk size 176 perslab 5957 slab class 40: chunk size 176 perslab 5957 slab class 41: chunk size 176 perslab 5957 slab class 42: chunk size 176 perslab 5957 slab class 43: chunk size 176 perslab 5957 slab class 44: chunk size 176 perslab 5957 slab class 45: chunk size 176 perslab 5957 slab class 46: chunk size 176 perslab 5957 slab class 47: chunk size 176 perslab 5957 slab class 48: chunk size 176 perslab 5957 slab class 49: chunk size 176 perslab 5957 slab class 50: chunk size 176 perslab 5957 slab class 51: chunk size 176 perslab 5957 slab class 52: chunk size 176 perslab 5957 slab class 53: chunk size 176 perslab 5957 slab class 54: chunk size 176 perslab 5957 slab class 55: chunk size 176 perslab 5957 slab class 56: chunk size 176 perslab 5957 slab class 57: chunk size 176 perslab 5957 slab class 58: chunk size 176 perslab 5957 slab class 59: chunk size 176 perslab 5957 slab class 60: chunk size 176 perslab 5957 slab class 61: chunk size 176 perslab 5957 slab class 62: chunk size 176 perslab 5957 slab class 63: chunk size 176 perslab 5957 slab class 64: chunk size 176 perslab 5957 slab class 65: chunk size 176 perslab 5957 slab class 66: chunk size 176 perslab 5957 slab class 67: chunk size 176 perslab 5957 slab class 68: chunk size 176 perslab 5957 slab class 69: chunk size 176 perslab 5957 slab class 70: chunk size 176 perslab 5957 slab class 71: chunk size 176 perslab 5957 slab class 72: chunk size 176 perslab 5957 slab class 73: chunk size 176 perslab 5957 slab class 74: chunk size 176 perslab 5957 slab class 75: chunk size 176 perslab 5957 slab class 76: chunk size 176 perslab 5957 slab class 77: chunk size 176 perslab 5957 slab class 78: chunk size 176 perslab 5957 slab class 79: chunk size 176 perslab 5957 slab class 80: chunk size 176 perslab 5957 slab class 81: chunk size 176 perslab 5957 slab class 82: chunk size 176 perslab 5957 slab class 83: chunk size 176 perslab 5957 slab class 84: chunk size 176 perslab 5957 slab class 85: chunk size 176 perslab 5957 slab class 86: chunk size 176 perslab 5957 slab class 87: chunk size 176 perslab 5957 slab class 88: chunk size 176 perslab 5957 slab class 89: chunk size 176 perslab 5957 slab class 90: chunk size 176 perslab 5957 slab class 91: chunk size 176 perslab 5957 slab class 92: chunk size 176 perslab 5957 slab class 93: chunk size 176 perslab 5957 slab class 94: chunk size 176 perslab 5957 slab class 95: chunk size 176 perslab 5957 slab class 96: chunk size 176 perslab 5957 slab class 97: chunk size 176 perslab 5957 slab class 98: chunk size 176 perslab 5957 slab class 99: chunk size 176 perslab 5957 slab class 100: chunk size 176 perslab 5957 slab class 101: chunk size 176 perslab 5957 slab class 102: chunk size 176 perslab 5957 slab class 103: chunk size 176 perslab 5957 slab class 104: chunk size 176 perslab 5957 slab class 105: chunk size 176 perslab 5957 slab class 106: chunk size 176 perslab 5957 slab class 107: chunk size 176 perslab 5957 slab class 108: chunk size 176 perslab 5957 slab class 109: chunk size 176 perslab 5957 slab class 110: chunk size 176 perslab 5957 slab class 111: chunk size 176 perslab 5957 slab class 112: chunk size 176 perslab 5957 slab class 113: chunk size 176 perslab 5957 slab class 114: chunk size 176 perslab 5957 slab class 115: chunk size 176 perslab 5957 slab class 116: chunk size 176 perslab 5957 slab class 117: chunk size 176 perslab 5957 slab class 118: chunk size 176 perslab 5957 slab class 119: chunk size 176 perslab 5957 slab class 120: chunk size 176 perslab 5957 slab class 121: chunk size 176 perslab 5957 slab class 122: chunk size 176 perslab 5957 slab class 123: chunk size 176 perslab 5957 slab class 124: chunk size 176 perslab 5957 slab class 125: chunk size 176 perslab 5957 slab class 126: chunk size 176 perslab 5957 slab class 127: chunk size 176 perslab 5957 slab class 128: chunk size 176 perslab 5957 slab class 129: chunk size 176 perslab 5957 slab class 130: chunk size 176 perslab 5957 slab class 131: chunk size 176 perslab 5957 slab class 132: chunk size 176 perslab 5957 slab class 133: chunk size 176 perslab 5957 slab class 134: chunk size 176 perslab 5957 slab class 135: chunk size 176 perslab 5957 slab class 136: chunk size 176 perslab 5957 slab class 137: chunk size 176 perslab 5957 slab class 138: chunk size 176 perslab 5957 slab class 139: chunk size 176 perslab 5957 slab class 140: chunk size 176 perslab 5957 slab class 141: chunk size 176 perslab 5957 slab class 142: chunk size 176 perslab 5957 slab class 143: chunk size 176 perslab 5957 slab class 144: chunk size 176 perslab 5957 slab class 145: chunk size 176 perslab 5957 slab class 146: chunk size 176 perslab 5957 slab class 147: chunk size 176 perslab 5957 slab class 148: chunk size 176 perslab 5957 slab class 149: chunk size 176 perslab 5957 slab class 150: chunk size 176 perslab 5957 slab class 151: chunk size 176 perslab 5957 slab class 152: chunk size 176 perslab 5957 slab class 153: chunk size 176 perslab 5957 slab class 154: chunk size 176 perslab 5957 slab class 155: chunk size 176 perslab 5957 slab class 156: chunk size 176 perslab 5957 slab class 157: chunk size 176 perslab 5957 slab class 158: chunk size 176 perslab 5957 slab class 159: chunk size 176 perslab 5957 slab class 160: chunk size 176 perslab 5957 slab class 161: chunk size 176 perslab 5957 slab class 162: chunk size 176 perslab 5957 slab class 163: chunk size 176 perslab 5957 slab class 164: chunk size 176 perslab 5957 slab class 165: chunk size 176 perslab 5957 slab class 166: chunk size 176 perslab 5957 slab class 167: chunk size 176 perslab 5957 slab class 168: chunk size 176 perslab 5957 slab class 169: chunk size 176 perslab 5957 slab class 170: chunk size 176 perslab 5957 slab class 171: chunk size 176 perslab 5957 slab class 172: chunk size 176 perslab 5957 slab class 173: chunk size 176 perslab 5957 slab class 174: chunk size 176 perslab 5957 slab class 175: chunk size 176 perslab 5957 slab class 176: chunk size 176 perslab 5957 slab class 177: chunk size 176 perslab 5957 slab class 178: chunk size 176 perslab 5957 slab class 179: chunk size 176 perslab 5957 slab class 180: chunk size 176 perslab 5957 slab class 181: chunk size 176 perslab 5957 slab class 182: chunk size 176 perslab 5957 slab class 183: chunk size 176 perslab 5957 slab class 184: chunk size 176 perslab 5957 slab class 185: chunk size 176 perslab 5957 slab class 186: chunk size 176 perslab 5957 slab class 187: chunk size 176 perslab 5957 slab class 188: chunk size 176 perslab 5957 slab class 189: chunk size 176 perslab 5957 slab class 190: chunk size 176 perslab 5957 slab class 191: chunk size 176 perslab 5957 slab class 192: chunk size 176 perslab 5957 slab class 193: chunk size 176 perslab 5957 slab class 194: chunk size 176 perslab 5957 slab class 195: chunk size 176 perslab 5957 slab class 196: chunk size 176 perslab 5957 slab class 197: chunk size 176 perslab 5957 slab class 198: chunk size 176 perslab 5957 slab class 199: chunk size 176 perslab 5957 slab class 200: chunk size 1048576 perslab 1 <36 server listening (auto-negotiate) <37 server listening (auto-negotiate) <38 send buffer was 135168, now 268435456 <39 send buffer was 135168, now 268435456 <38 server listening (udp) <39 server listening (udp) <38 server listening (udp) <39 server listening (udp) <38 server listening (udp) <39 server listening (udp) <38 server listening (udp) <39 server listening (udp) 一切正常。 开始用xmemcached测试 public static void main(String[] args) throws Exception{
// TODO Auto-generated method stub
MemcachedClientBuilder builder = new XMemcachedClientBuilder(AddrUtil
.getAddresses("10.189.8.116:11211"));
//builder.setSessionLocator(new ElectionMemcachedSessionLocator());
MemcachedClient mc = builder.build();
int tm = (int)(Math.random()*100);
mc.add("key" + tm, 0, "中国包装总公司中国包装总公司中国包装总公司中国包装总公司中国包装总公司" + tm);
String val = mc.get("key" + tm);
System.out.println(val);
mc.shutdown();
}
异常为： Exception in thread "main" java.util.concurrent.TimeoutException: Timed out(1000) waiting for operation at net.rubyeye.xmemcached.XMemcachedClient.latchWait(XMemcachedClient.java:2200) at net.rubyeye.xmemcached.XMemcachedClient.fetch0(XMemcachedClient.java:491) at net.rubyeye.xmemcached.XMemcachedClient.get0(XMemcachedClient.java:847) at net.rubyeye.xmemcached.XMemcachedClient.get(XMemcachedClient.java:805) at net.rubyeye.xmemcached.XMemcachedClient.get(XMemcachedClient.java:816) at net.rubyeye.xmemcached.XMemcachedClient.get(XMemcachedClient.java:838) at XMTest.main(XMTest.java:21) memcached后台提示： <40 new auto-negotiating client connection 40: Client using the ascii protocol <40 add key50 0 0 107 >40 STORED <40 get key50 Segmentation fault [root@p2ash004 ~]# memcached居然直接挂了！！！！！！！！！！！！
如果memcached启动命令的修改为: memcached -p 11211 -u root -f 1.01 -m 64 -n 128 -vv 仅仅是 -f 1.001 修改为 -f 1.01，程序就正常了！
有人碰到过和我类似的问题吗？ |
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javantsky
2010-08-31
用“二进制协议”存取含中文的数据就没这个问题了
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javaDevil
2014-02-10
今天按照楼主的方法 试了一下，果然 好了。
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