From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 20510 invoked by alias); 24 Jun 2016 23:22:10 -0000 Mailing-List: contact zsh-users-help@zsh.org; run by ezmlm Precedence: bulk X-No-Archive: yes List-Id: Zsh Users List List-Post: List-Help: X-Seq: 21704 Received: (qmail 21114 invoked from network); 24 Jun 2016 23:22:07 -0000 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on f.primenet.com.au X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM autolearn=ham autolearn_force=no version=3.4.1 Subject: Re: Memory usage of history? To: zsh-users@zsh.org References: <20160624134706.GA22704@linux.vnet.ibm.com> From: Eric Cook Message-ID: Date: Fri, 24 Jun 2016 18:57:38 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <20160624134706.GA22704@linux.vnet.ibm.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K0:ktXP9GwSC3sdekV7JafLtbw7zF/RuEO2AP1jWAnpWFs750zVeC4 HgI5K0x9nt582inBaogr2NOg0gu2Qb5G3zlC/zIOYUtMuKnbrBcjl3nJV662/yWAzMt/OAt lC2n7anigvbmhzCCgT6/cc3xkcnkya1YbL0ZUvXfT3Kr9WDHte7Yu913HzYBw6hqTD8ViFV HumIxYSUZ34/xzbEYE4uA== X-UI-Out-Filterresults: notjunk:1;V01:K0:ISKoSXasfRE=:W3PzMTsZRK1xk+RkPNCyJG Vnaaddc38jjfqXfsX5LECdB4KwgzVNbJflsG+bWo2jxtnH2LTnwXZDaEmIQhq4H7uTSkVoXwq ug7WloQA03+rzs/cARFfUyxr4USwexDHRPTjXmBCGqGF0V+zXO3sh/seoS/A+zQj8xvARkWF+ BLwfwW6IV/itj50hLpGGAoUTUCmgg4YqgB0r7lpOsa5137vKSLTNEL1Nfo0OiF/9KnrqMqtZV NuzWb98Xnba9MbtYFpED9O/w5c06wJ6wyxZHHL3NojQSLrHtfxmsqzzEmEmoMQ3y84R8T3sHa L9XUAqa7SMBghmLk158T7xI/S1Iqd3hNKrGe92T5JLTRaHrLXCInfHyowvY3WWnsw73Dze635 BOs+EGHHnnvMVx6ONXXbtxMY1HmHOAxXKrw6jurxV+oRBK4bWsUe2SiXw5YX1ncv4fMDY3gfd GnHmoXabx2a4IsrC6KgxB3gJQW39NoM8ZnMKBVIj9OP4l5rB3vVryYu0EwYdXFu1r4A8g1Rsi fpM8VIZeTdYRKCua6KWsmuJY+ExIGPhPdkGXWRZ9POmGd+wtbhtxJBz9c0vFGswkR+YEseq0F VlOQ1vu+g3L7KJYCCasDqbNh8nkBJSeAZ8/R95tr5403aj0lM+5ubJyJx2euZrsZtCTNNBZIS 3P4tQK2JR5r4tj9U/jxNGFj+ruSpm0NZGn3a9aKsgfkzVJOXC6z4GF9eMbZLx+BUO725+AGO/ sS2UNLCkl6hAe+E6lVTZfbnwLPaw8ITiDWiSYuebgmQnar/xMsUrKlmeDcbhnDGnmjH32fQvh h9tWJpy On 06/24/2016 09:47 AM, Dominik Vogt wrote: > Could someone please explain the implications of having a large > history file? Uses more disk space > Does an interactive zsh read the history file into > private memory upon startup, or how does this work? zsh reads $HISTSIZE number of lines from $HISTFILE upon startup. which may be the same size as $SAVEHIST, which controls the number of lines to keep in $HISTFILE. > Is there a way to reduce memory and cpu consumption somehow? (A colleague > says his zshs use 200 MB memory each with a history size of a > million lines). Reducing the number of lines you tell zsh to keep in memory via HISTSIZE would help.