In fact, it is almost impossible to meet a conflict. I think it is safe enough. see this link for more info: http://en.wikipedia.org/wiki/SHA-1
2015-01-07 14:11 GMT+08:00 sekhar mekala <[email protected]>: > HI Ryan, > > Thanks for your valuable suggestion. But using md5 or sha1 to Hash your > string, This key is collision or not. > > Please help me. > > Thanks > Sekhar > > On Tuesday, December 30, 2014 10:52:24 PM UTC+5:30, Ryan McElroy wrote: >> >> You can't; its a on-purpose limitation of memcached. What you can do is >> use md5 or sha1 to hash your string and use that as a key. >> >> Long keys are usually a sign of misuse of memcached, though, so it often >> helps to take a step back and evaluate what you actually need to put into >> your key. >> >> ~Ryan (mobile) >> >> On Dec 30, 2014, at 6:33 AM, sekhar mekala <[email protected]> wrote: >> >> HI Team, >> >> >> I need to store the key size more than 250 characters in memcached >> server. >> >> I am tried with my code: >> >> *code:* >> MemcachedClient client = new MemcachedClient((new >> InetSocketAddress("192.168.7.134", 11211))); >> String key="292FEC76-5F1C-486F-85A5-09D88096F098_ >> VirtualizationObjectNamesInfo_CustomerManagementObject# >> 292FEC76-5F1C-486F-85A5-09D88096F098#"+ "(TENANT_PARENTOBJECTID=' >> FFCEF160-BAEE-4876-9C45-8D179DC90481'$OR$TENANT_ >> PARENTOBJECTID='B813170B-3390-4B51-9E6C-81EF3D44BB94'$"+ >> "OR$TENANT_PARENTOBJECTID='CD8C669F-A8AA-4987-9B71- >> ABFBF5207014'$OR$TENANT_PARENTOBJECTID='373F4223-BD1E-4B4C-AE86-F0B09F3D7FBE'$"+ >> "OR$TENANT_PARENTOBJECTID='1DE854CA-2E51-4B6B-A3F2- >> 2EC1A9626D1D'$OR$TENANT_PARENTOBJECTID='32C4B07F-804B-45E1-A594-03472945FC1E'$OR"+ >> "$TENANT_PARENTOBJECTID='608E4495-8FF9-49DB-8476-CAFCFF84A5B1'$OR"+ >> "$TENANT_PARENTOBJECTID='ACFEB0D5-586E-45C1-A3B4-24781C1D07A5')#(TENANT_ >> CHILDOBJECTID='FFCEF160-BAEE-4876-9C45-8D179DC90481'$OR"+ >> "$TENANT_CHILDOBJECTID='B813170B-3390-4B51-9E6C-81EF3D44BB94'$OR$TENANT_ >> CHILDOBJECTID='CD8C669F-A8AA-4987-9B71-ABFBF5207014'$OR"+ >> "$TENANT_CHILDOBJECTID='373F4223-BD1E-4B4C-AE86-F0B09F3D7FBE'$OR$TENANT_ >> CHILDOBJECTID='1DE854CA-2E51-4B6B-A3F2-2EC1A9626D1D'$OR"+ >> "$TENANT_CHILDOBJECTID='32C4B07F-804B-45E1-A594-03472945FC1E'$OR$TENANT_ >> CHILDOBJECTID='608E4495-8FF9-49DB-8476-CAFCFF84A5B1'$OR"+ >> "$TENANT_CHILDOBJECTID='ACFEB0D5-586E-45C1-A3B4- >> 24781C1D07A5')#978754F1-AE6D-4201-85B3-0008BD3EE190_v1.0"; >> >> System.out.println("Key size:" + key.length()); >> client.set(key, 3600, "teststse"); >> System.out.println(client.get(key)); >> >> *Error:* >> 2014-12-30 19:20:57.944 INFO net.spy.memcached.MemcachedConnection: >> Added {QA sa=/192.168.7.134:11211, #Rops=0, #Wops=0, #iq=0, >> topRop=null, topWop=null, toWrite=0, interested=0} to connect queue >> Key size:1184 >> 2014-12-30 19:20:57.947 INFO net.spy.memcached.MemcachedConnection: >> Connection state changed for sun.nio.ch.SelectionKeyImpl@6c6455ae >> Exception in thread "main" java.lang.IllegalArgumentException: Key is >> too long (maxlen = 250) >> at net.spy.memcached.util.StringUtils.validateKey(StringUtils.java:69) >> at net.spy.memcached.MemcachedConnection.enqueueOperation( >> MemcachedConnection.java:745) >> at net.spy.memcached.MemcachedClient.asyncStore(MemcachedClient.java:310) >> at net.spy.memcached.MemcachedClient.set(MemcachedClient.java:844) >> at MemcachedConnectionPooling.ClearedMemcachedServer.main( >> ClearedMemcachedServer.java:42) >> >> >> >> Client: spymemcached >> Server: memcached >> >> plz help me. >> Thanks in advace >> >> Sekhar. >> >> >> >> -- >> >> --- >> You received this message because you are subscribed to the Google Groups >> "memcached" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. >> >> -- > > --- > You received this message because you are subscribed to the Google Groups > "memcached" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- --- You received this message because you are subscribed to the Google Groups "memcached" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
