Re: mmzip

Rene Brun (Rene.Brun@cern.ch)
Tue, 25 Aug 1998 08:48:05 +0200


Jayoung Wu wrote:
>
> Hi all,
> While I make a root file using tree structure I got the following
> mressage:
>
> mmzip: output buffer too small for in-memory compression
>
> What is the meaning of that?

Please always specify which version/machine you are using!!
Could you send me (not to the list) the short macro creating the Tree?

>
> Besides, could anyone explain the meaning of the following message?

Which message? This is the output of TTree::Print().

Rene Brun

> ************************************************************************************
> *Tree :EVENT : Event Tree
> *
> *Entries : 50000 : Total Size = 239521526 bytes File Size =
> 33618346 bytes *
> * : : Tree compression factor = 7.15
> *
> ************************************************************************************
> *Branch :EVNO : evno/I
> *
> *Entries : 50000 : Total Size = 191976 bytes File Size =
> 67304 bytes *
> *Baskets : 6 : Basket Size = 32000 bytes Compression= 2.85
> *
> *..................................................................................*
> *Branch :RNDM : rndm[2]/i
> *
> *Entries : 50000 : Total Size = 383904 bytes File Size =
> 768 bytes *
> *Baskets : 12 : Basket Size = 32000 bytes Compression= 499.87
> *
> *..................................................................................*
> *Branch :PID : pid/I
> *
> *Entries : 50000 : Total Size = 191994 bytes File Size =
> 738 bytes *
> *Baskets : 6 : Basket Size = 32000 bytes Compression= 260.15
> *
> *.................................................................................
>
> ---
> Thanks a lot!
> Jayoung