I'm experiencing the same issue - were you able to resolve?

On Mar 31, 5:17 pm, Jake <[email protected]> wrote:
> I have a rather large and intense sorting process that runs
> periodically.  When I enabled Appstats, this process started to fail
> with the following trace.
>
> When I disabled Appstats, it went back to normal.
>
> I really liked Appstats, too. sigh.
>
> 03-31 02:05PM 56.204
> Uncaught exception from servlet
> java.lang.OutOfMemoryError: Java heap space
>         at
> com.google.appengine.repackaged.com.google.protobuf.ByteString.toByteArray( 
> ByteString.java:
> 173)
>         at
> com.google.appengine.repackaged.com.google.protobuf.CodedOutputStream.write 
> BytesNoTag(CodedOutputStream.java:
> 356)
>         at
> com.google.appengine.repackaged.com.google.protobuf.CodedOutputStream.write 
> Bytes(CodedOutputStream.java:
> 200)
>         at com.google.appengine.api.memcache.MemcacheServicePb
> $MemcacheSetRequest$Item.writeTo(MemcacheServicePb.java:1568)
>         at
> com.google.appengine.repackaged.com.google.protobuf.CodedOutputStream.write 
> GroupNoTag(CodedOutputStream.java:
> 333)
>         at
> com.google.appengine.repackaged.com.google.protobuf.CodedOutputStream.write 
> Group(CodedOutputStream.java:
> 172)
>         at com.google.appengine.api.memcache.MemcacheServicePb
> $MemcacheSetRequest.writeTo(MemcacheServicePb.java:1980)
>         at
> com.google.appengine.repackaged.com.google.protobuf.AbstractMessageLite.toB 
> yteArray(AbstractMessageLite.java:
> 36)
>         at
> com.google.appengine.api.memcache.MemcacheServiceImpl.makeSyncCall(Memcache 
> ServiceImpl.java:
> 170)
>         at
> com.google.appengine.api.memcache.MemcacheServiceImpl.putAll(MemcacheServic 
> eImpl.java:
> 420)
>         at
> com.google.appengine.api.memcache.MemcacheServiceImpl.putAll(MemcacheServic 
> eImpl.java:
> 459)
>         at
> com.google.appengine.tools.appstats.MemcacheWriter.persist(MemcacheWriter.j 
> ava:
> 264)
>         at
> com.google.appengine.tools.appstats.MemcacheWriter.commit(MemcacheWriter.ja 
> va:
> 177)
>         at
> com.google.appengine.tools.appstats.AppstatsFilter.doFilter(AppstatsFilter. 
> java:
> 94)
>         at org.mortbay.jetty.servlet.ServletHandler
> $CachedChain.doFilter(ServletHandler.java:1157)
>         at
> com.google.apphosting.utils.servlet.ParseBlobUploadFilter.doFilter(ParseBlo 
> bUploadFilter.java:
> 97)
>         at org.mortbay.jetty.servlet.ServletHandler
> $CachedChain.doFilter(ServletHandler.java:1157)
>         at
> com.google.apphosting.runtime.jetty.SaveSessionFilter.doFilter(SaveSessionF 
> ilter.java:
> 35)
>         at org.mortbay.jetty.servlet.ServletHandler
> $CachedChain.doFilter(ServletHandler.java:1157)
>         at
> com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(Trans 
> actionCleanupFilter.java:
> 43)
>         at org.mortbay.jetty.servlet.ServletHandler
> $CachedChain.doFilter(ServletHandler.java:1157)
>         at
> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:
> 388)
>         at
> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:
> 216)
>         at
> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:
> 182)
>         at
> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:
> 765)
>         at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:
> 418)
>         at
> com.google.apphosting.runtime.jetty.AppVersionHandlerMap.handle(AppVersionH 
> andlerMap.java:
> 238)
>         at
> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
> 152)
>         at org.mortbay.jetty.Server.handle(Server.java:326)
>         at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:
> 542)
>         at org.mortbay.jetty.HttpConnection
> $RequestHandler.headerComplete(HttpConnection.java:923)
>         at
> com.google.apphosting.runtime.jetty.RpcRequestParser.parseAvailable(RpcRequ 
> estParser.java:
> 76)

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