From 780b92ada9afcf1d58085a83a0b9e6bc982203d1 Mon Sep 17 00:00:00 2001 From: Lorry Tar Creator Date: Tue, 17 Feb 2015 17:25:57 +0000 Subject: Imported from /home/lorry/working-area/delta_berkeleydb/db-6.1.23.tar.gz. --- docs/api_reference/C/envlog_get_config.html | 119 +++++++++++++++++----------- 1 file changed, 73 insertions(+), 46 deletions(-) (limited to 'docs/api_reference/C/envlog_get_config.html') diff --git a/docs/api_reference/C/envlog_get_config.html b/docs/api_reference/C/envlog_get_config.html index 74d440b4..2268e847 100644 --- a/docs/api_reference/C/envlog_get_config.html +++ b/docs/api_reference/C/envlog_get_config.html @@ -14,7 +14,7 @@
-

Library Version 11.2.5.3

+

Library Version 12.1.6.1

@@ -65,7 +65,7 @@ DB_ENV->log_get_config(DB_ENV *dbenv, u_int32_t which, int *onoffp);
-

Parameters

+

Parameters

@@ -73,61 +73,86 @@ DB_ENV->log_get_config(DB_ENV *dbenv, u_int32_t which, int *onoffp);
-

which

+

which

- The which parameter is the message - value for which configuration is being checked. Must be set to one of the following values: -

+ The which parameter is + the message value for which configuration is being + checked. Must be set to one of the following values: +

    +
  • +

    + DB_LOG_BLOB +

    +

    + Enables full logging of + BLOB data. +

    +

  • - DB_LOG_DIRECT -

    + DB_LOG_DIRECT +

    - System buffering is turned off for Berkeley DB log files to avoid double - caching. -

    + System buffering is turned off for Berkeley DB log + files to avoid double caching. +

  • - DB_LOG_DSYNC -

    + DB_LOG_DSYNC +

    - Berkeley DB is configured to flush log writes to the backing disk before - returning from the write system call, rather than flushing log writes - explicitly in a separate system call, as necessary. -

    + Berkeley DB is configured to flush log writes to the backing disk before + returning from the write system call, rather than flushing log writes + explicitly in a separate system call, as necessary. +

  • - DB_LOG_AUTO_REMOVE -

    + DB_LOG_AUTO_REMOVE +

    - Berkeley DB automatically removes log files that are no - longer needed. -

    + Berkeley DB automatically removes log files that + are no longer needed. +

  • - DB_LOG_IN_MEMORY -

    + DB_LOG_IN_MEMORY +

    - Transaction logs are maintained in memory rather than on disk. This - means that transactions exhibit the ACI (atomicity, consistency, and - isolation) properties, but not D (durability). -

    + Transaction logs are maintained in memory rather than on disk. This + means that transactions exhibit the ACI (atomicity, consistency, and + isolation) properties, but not D (durability). +

    +
    • +
  • +

    + DB_LOG_NOSYNC +

    +

    + The transaction log is not flushed from from the operating system cache to + stable storage when the logging system switches log files or a durable + transaction commits. This means that transactions exhibit the ACI + (atomicity, consistency, and isolation) properties, but only partially + support D (durability); that is, database integrity will be maintained if + the application fails and the environment is recovered, but not if the + system fails. All database files must be verified and/or restored from a + replication group master or archival backup after system failure. +

  • - DB_LOG_ZERO -

    + DB_LOG_ZERO +

    - All pages of a log file are zeroed when that log file is created. -

    + All pages of a log file are zeroed when that log file is created. +

@@ -136,44 +161,46 @@ DB_ENV->log_get_config(DB_ENV *dbenv, u_int32_t which, int *onoffp);
-

onoffp

+

onoffp

- The onoffp parameter references - memory into which the configuration of the specified which parameter is copied. -

+ The onoffp parameter + references memory into which the configuration of the + specified which parameter + is copied. +

- If the returned onoff value is zero, the - parameter is off; otherwise, on. -

+ If the returned onoff + value is zero, the parameter is off; otherwise, on. +

-

Class

+

Class

- DB_ENV -

+ DB_ENV +

-

See Also

+

See Also

- Logging Subsystem and Related Methods, - DB_ENV->log_set_config() -

+ Logging Subsystem and Related Methods, + DB_ENV->log_set_config() +

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