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ircd::db: Add conf item to disable automatic compactions.

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construct: Add -nocompact program option.
This commit is contained in:
Jason Volk 2020-06-10 04:29:12 -07:00
parent 0f466e6b19
commit b68b4d113a
3 changed files with 21 additions and 1 deletions
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5
construct/construct.cc
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@ -24,6 +24,7 @@ bool single;
bool debugmode;
bool nolisten;
bool noautomod;
bool nocompact;
bool checkdb;
bool pitrecdb;
bool repairdb;
@ -54,6 +55,7 @@ lgetopt opts[]
{ "execute", &execute, lgetopt::STRINGS, "Execute command lines immediately after startup" },
{ "nolisten", &nolisten, lgetopt::BOOL, "Normal execution but without listening sockets" },
{ "noautomod", &noautomod, lgetopt::BOOL, "Normal execution but without autoloading modules" },
{ "nocompact", &nocompact, lgetopt::BOOL, "Disable automatic database compaction" },
{ "checkdb", &checkdb, lgetopt::BOOL, "Perform complete checks of databases when opening" },
{ "pitrecdb", &pitrecdb, lgetopt::BOOL, "Allow Point-In-Time-Recover if DB reports corruption after crash" },
{ "repairdb", &repairdb, lgetopt::BOOL, "Perform full DB repair after deep block/file corruption" },
@ -513,6 +515,9 @@ applyargs()
else
ircd::db::open_repair.set("false");
if(nocompact)
ircd::db::auto_compact.set("false");
if(nodirect)
ircd::fs::fd::opts::direct_io_enable.set("false");
else

1
include/ircd/db/database.h
View file

@ -19,6 +19,7 @@ namespace ircd::db
extern conf::item<bool> open_check;
extern conf::item<std::string> open_recover;
extern conf::item<bool> open_repair;
extern conf::item<bool> auto_compact;
// General information
const std::string &name(const database &);

16
ircd/db.cc
View file

@ -442,6 +442,17 @@ ircd::db::open_repair
{ "persist", false },
};
/// Conf item toggles whether automatic compaction is enabled or disabled for
/// all databases upon opening. This is useful for developers, debugging and
/// valgrind etc to prevent these background jobs from spawning when unwanted.
decltype(ircd::db::auto_compact)
ircd::db::auto_compact
{
{ "name", "ircd.db.compact.auto" },
{ "default", true },
{ "persist", false },
};
void
ircd::db::sync(database &d)
{
@ -2014,6 +2025,10 @@ ircd::db::database::column::column(database &d,
this->options.min_write_buffer_number_to_merge = 4;
this->options.max_write_buffer_number_to_maintain = 0;
// Conf item can be set to disable automatic compactions. For developers
// and debugging; good for valgrind.
this->options.disable_auto_compactions = !bool(db::auto_compact);
// Set the compaction style; we don't override this in the descriptor yet.
//this->options.compaction_style = rocksdb::kCompactionStyleNone;
this->options.compaction_style = rocksdb::kCompactionStyleLevel;
@ -2033,7 +2048,6 @@ ircd::db::database::column::column(database &d,
this->options.num_levels = 7;
this->options.level0_file_num_compaction_trigger = 2;
this->options.disable_auto_compactions = false;
this->options.level_compaction_dynamic_level_bytes = false;
this->options.ttl = 0;
#ifdef IRCD_DB_HAS_PERIODIC_COMPACTIONS