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[wolframalpha.com] Subject: Re: [pbs-devel] [PATCH proxmox-backup v2 3/4] datastore: data blob: increase compression throughput X-BeenThere: pbs-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox Backup Server development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Proxmox Backup Server development discussion Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: pbs-devel-bounces@lists.proxmox.com Sender: "pbs-devel" T24gOC8yLzI0IDEzOjU5LCBUaG9tYXMgTGFtcHJlY2h0IHdyb3RlOgo+IE9uIDAyLzA4LzIwMjQg MTI6NDcsIERvbWluaWsgQ3NhcGFrIHdyb3RlOgo+PiBzYWRseSBBRkFJQ1MgdGhpcyBpcyBjdXJy ZW50bHkgbm90IHBvc3NpYmxlCj4+Cj4+IGkgdHJpZWQgdGhpcyBhbmQgaW5zdGVhZCBvZiBlcnJv ciA3MCBpIGdvdDoKPj4KPj4gJzE4NDQ2NzQ0MDczNzA5NTUxNTQ2Jwo+Pgo+PiByZWFkaW5nIHlv dXIgWzJdIGxpbmssIGl0IGFsc28gc3RhdGVzOgo+Pgo+Pj4gKsKgIG5vdGUgMSA6IHRoaXMgQVBJ IHNoYWxsIGJlIHVzZWQgd2l0aCBzdGF0aWMgbGlua2luZyBvbmx5Lgo+Pj4gKsKgwqDCoMKgwqDC oMKgwqDCoMKgIGR5bmFtaWMgbGlua2luZyBpcyBub3QgeWV0IG9mZmljaWFsbHkgc3VwcG9ydGVk Lgo+IAo+IFRoYXQganVzdCBzb3VuZHMgd3JvbmcuLi4gYnV0IG9oIHdlbGwuCj4gICAKPj4gc28g aSBkb24ndCB0aGlua3MgdGhpcyB3b3JrcywgdW5sZXNzIHdlJ2QgbGluayBzdGF0aWNhbGx5Pwo+ Pgo+IAo+IEkgbWVhbiwgdGhlIGxpYnJhcnkgY2FuIG9idmlvdXNseSB0cmFuc2xhdGVkIHRoZSBl cnJvciB0byBzb21lIG1lYW5pbmdmdWwKPiBzdHJpbmcuIEkgbWVhbiB0aGF0IGNvdWxkIGJlIGR1 ZSB0byByZWx5aW5nIG9uIGludGVybmFsIGNvbXBpbGVkIHN0dWZmIHRoYXQKPiB3ZSBjYW5ub3Qg dXNlLCBidXQgd2hpbGUgSSB0aGluayB0aGF0IGlzIGEgc29saWQgZ3Vlc3MsIEknZCBzdGlsbCBl dmFsdWF0ZQo+IGhvdyBpdCBhY3R1YWxseSB3b3JrcyB0byBiZSBzdXJlLgo+ICAgCj4+IHNvIGhv dyBkbyB3ZSB3YW50IGdvIGZvcndhcmQgd2l0aCB0aGlzPwo+IAo+IAo+IElmLCBhZnRlciBjaGVj a2luZywgdGhpcyByZWFsbHkgc2VlbXMgdG8gYmUgdW5mZWFzaWJsZSB0aGVuIGxldHMgZ28gZm9y Cj4gdGhlIHN0cmluZyBjb21wYXJpc29uIHdpdGggYSBUT0RPL0ZJWE1FIGNvbW1lbnQgcG9pbnQg b3V0IHdoeSBpdCdzIGRvbmUKPiB0aGF0IHdheSBhbmQgdGhhdCBvbmUgbWlnaHQgd2FudCB0byBy ZWV2YWx1YXRlIGlmIHN0aWxsIHJlcXVpcmVkIChpbiB0aGUKPiBmdXR1cmUpCgoKbWhtbSB6c3Rk IGp1c3QgY2FsbHMgdGhpczoKCi0tLQpmbiBtYXBfZXJyb3JfY29kZShjb2RlOiB1c2l6ZSkgLT4g aW86OkVycm9yIHsKICAgICBsZXQgbXNnID0genN0ZF9zYWZlOjpnZXRfZXJyb3JfbmFtZShjb2Rl KTsKICAgICBpbzo6RXJyb3I6Om5ldyhpbzo6RXJyb3JLaW5kOjpPdGhlciwgbXNnLnRvX3N0cmlu ZygpKQp9Ci0tLQoKd2hpY2ggY2FsbHMgdGhpczoKCi0tLQpwdWIgZm4gZ2V0X2Vycm9yX25hbWUo Y29kZTogdXNpemUpIC0+ICYnc3RhdGljIHN0ciB7CiAgICAgdW5zYWZlIHsKICAgICAgICAgLy8g U2FmZXR5OiBhc3N1bWVzIFpTVEQgcmV0dXJucyBhIHdlbGwtZm9ybWVkIHV0Zjggc3RyaW5nLgog ICAgICAgICBsZXQgbmFtZSA9IHpzdGRfc3lzOjpaU1REX2dldEVycm9yTmFtZShjb2RlKTsKICAg ICAgICAgY19jaGFyX3RvX3N0cihuYW1lKQogICAgIH0KfQotLS0KCndoaWNoIGlzIHBhcnQgb2Yg dGhlIHpzdGQgYXBpIGFuZCBhdCB0aGUgZW5kIGl0IG1hcHMgdGhlIGVycm9yIGNvZGUgbGlrZSB0 aGlzOgoKLS0tCkVSUl9TVEFUSUMgRVJSX2VudW0gRVJSX2dldEVycm9yQ29kZShzaXplX3QgY29k ZSkgeyBpZiAoIUVSUl9pc0Vycm9yKGNvZGUpKSByZXR1cm4gKEVSUl9lbnVtKTA7IApyZXR1cm4g KEVSUl9lbnVtKSAoMC1jb2RlKTsgfQotLS0KCndpdGggdGhhdCByZXN1bHQsIGl0IG1hcHMgdGhl IGNvZGUgdG8gYSBzdHJpbmcuLi4KCndoaWNoIG1hdGNoZXMgd2hhdCBpIGdldCwgc2luY2UKCjJe NjQgLSA3MCA9IDE4NDQ2NzQ0MDczNzA5NTUxNTQ2IFswXQoKCmJ1dCwgaSdtIHJlYWxseSBub3Qg c3VyZSBpZiB3ZSBjb3VsZCByZWx5IGluIHRoYXQgc2luY2UgdGhlIGZ1bmN0aW9uIGlzIGluIGEg J2Vycm9yX3ByaXZhdGUuYycgd2hpY2ggCnNlZW1zIHRvIG1lIGxpa2UgaXQncyBhbiBpbXBsZW1l bnRhdGlvbiBkZXRhaWwgb25seT8KCgowOiBodHRwczovL3d3dy53b2xmcmFtYWxwaGEuY29tL2lu cHV0P2k9MiU1RTY0Ky0rNzAKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpwYnMtZGV2ZWwgbWFpbGluZyBsaXN0CnBicy1kZXZlbEBsaXN0cy5wcm94bW94 LmNvbQpodHRwczovL2xpc3RzLnByb3htb3guY29tL2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9w YnMtZGV2ZWwK