Veeam Decompression Error Lz4

29.07.2019

I'm trying to unarchive some old photos I have that are stored in ACE format (via WinACE). The file was created a little over 10 years ago.

  1. Lz4 Error Decompressing Data Block From Server
  2. Lz4 Error Decompressing Data Block From Server Apex Legends

Provided by: liblz4-tool0.0r131-2ubuntu2amd64 NAME lz4, unlz4, lz4cat - Compress or decompress.lz4 files SYNOPSIS lz4 OPTIONS - INPUT-FILE unlz4 is equivalent to lz4-d lz4cat is equivalent to lz4-dc When writing scripts that need to decompress files, it is recommended to always use the name lz4 with appropriate arguments (lz4-d or lz4-dc) instead of the names unlz4. Unity also supports LZ4 compression, which results in larger compressed file sizes, but does not require the entire bundle to be decompressed before use. LZ4 is a “chunk-based” algorithm, and therefore when objects are loaded from an LZ4-compressed bundle, only the corresponding chunks for that object are decompressed.

I'm running unace l photos.ace and getting what seems to be a full list files.

When I run unace e photos.ace I and am getting an error.

The output is:

Does anyone have any suggestions/ideas on how to extract these?

Edit: I've downloaded the linux version (v2.5) from winace.com's site with the same effect.

Radu Rădeanu
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hafichukhafichuk
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2 Answers

Community
cielciel
Lz4

You might want to try WinAce in wine or a VirtualBox.

RolandiXor
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Scott GoodgameScott Goodgame

Not the answer you're looking for? Browse other questions tagged compressionace or ask your own question.

LZ4 is lossless compression algorithm,providing compression speed > 500 MB/s per core,scalable with multi-cores CPU.It features an extremely fast decoder,with speed in multiple GB/s per core,typically reaching RAM speed limits on multi-core systems.

Speed can be tuned dynamically, selecting an 'acceleration' factorwhich trades compression ratio for faster speed.On the other end, a high compression derivative, LZ4_HC, is also provided,trading CPU time for improved compression ratio.All versions feature the same decompression speed.

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Lz4 Error Decompressing Data Block From Server

LZ4 is also compatible with dictionary compression,both at API and CLI levels.It can ingest any input file as dictionary, though only the final 64KB are used.This capability can be combined with the Zstandard Dictionary Builder,in order to drastically improve compression performance on small files.

LZ4 library is provided as open-source software using BSD 2-Clause license.

Lz4 error decompressing data block from server
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Benchmarks

The benchmark uses lzbench, from @inikepcompiled with GCC v8.2.0 on Linux 64-bits (Ubuntu 4.18.0-17).The reference system uses a Core i7-9700K CPU @ 4.9GHz (w/ turbo boost).Benchmark evaluates the compression of reference Silesia Corpusin single-thread mode.

CompressorRatioCompressionDecompression
memcpy1.00013700 MB/s13700 MB/s
LZ4 default (v1.9.0)2.101780 MB/s4970 MB/s
LZO 2.092.108670 MB/s860 MB/s
QuickLZ 1.5.02.238575 MB/s780 MB/s
Snappy 1.1.42.091565 MB/s1950 MB/s
Zstandard 1.4.0 -12.883515 MB/s1380 MB/s
LZF v3.62.073415 MB/s910 MB/s
zlib deflate 1.2.11 -12.730100 MB/s415 MB/s
LZ4 HC -9 (v1.9.0)2.72141 MB/s4900 MB/s
zlib deflate 1.2.11 -63.09936 MB/s445 MB/s

LZ4 is also compatible and optimized for x32 mode,for which it provides additional speed performance.

Installation

LZ4's Makefile supports standard Makefile conventions,including staged installs, redirection, or command redefinition.It is compatible with parallel builds (-j#).

Documentation

Lz4 Error Decompressing Data Block From Server Apex Legends

The raw LZ4 block compression format is detailed within lz4_Block_format.

Arbitrarily long files or data streams are compressed using multiple blocks,for streaming requirements. These blocks are organized into a frame,defined into lz4_Frame_format.Interoperable versions of LZ4 must also respect the frame format.

Other source versions

Beyond the C reference source,many contributors have created versions of lz4 in multiple languages(Java, C#, Python, Perl, Ruby, etc.).A list of known source ports is maintained on the LZ4 Homepage.

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