umgeher/leveled
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Allow for run-time changes to log_level and forced_logs

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Will not lead to immediate run time changes in SST or CDB logs.  These log settings will only change once the new files are re-written.

To completely change the log level - a restart of the store is necessary with new startup options.
This commit is contained in:
Martin Sumner 2018-12-11 21:59:57 +00:00
parent 6677f2e5c6
commit 672cfd4fcd
7 changed files with 239 additions and 16 deletions
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43
src/leveled_iclerk.erl
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@ -79,12 +79,16 @@
handle_cast/2,
handle_info/2,
terminate/2,
clerk_new/1,
code_change/3]).
-export([clerk_new/1,
clerk_compact/7,
clerk_hashtablecalc/3,
clerk_trim/3,
clerk_stop/1,
code_change/3]).
clerk_loglevel/2,
clerk_addlogs/2,
clerk_removelogs/2]).
-export([schedule_compaction/3]).
@ -104,7 +108,7 @@
-record(state, {inker :: pid() | undefined,
max_run_length :: integer() | undefined,
cdb_options,
cdb_options = #cdb_options{} :: #cdb_options{},
waste_retention_period :: integer() | undefined,
waste_path :: string() | undefined,
reload_strategy = ?DEFAULT_RELOAD_STRATEGY :: list(),
@ -180,6 +184,24 @@ clerk_hashtablecalc(HashTree, StartPos, CDBpid) ->
clerk_stop(Pid) ->
gen_server:cast(Pid, stop).
-spec clerk_loglevel(pid(), leveled_log:log_level()) -> ok.
%% @doc
%% Change the log level of the Journal
clerk_loglevel(Pid, LogLevel) ->
gen_server:cast(Pid, {log_level, LogLevel}).
-spec clerk_addlogs(pid(), list(string())) -> ok.
%% @doc
%% Add to the list of forced logs, a list of more forced logs
clerk_addlogs(Pid, ForcedLogs) ->
gen_server:cast(Pid, {add_logs, ForcedLogs}).
-spec clerk_removelogs(pid(), list(string())) -> ok.
%% @doc
%% Remove from the list of forced logs, a list of forced logs
clerk_removelogs(Pid, ForcedLogs) ->
gen_server:cast(Pid, {remove_logs, ForcedLogs}).
%%%============================================================================
%%% gen_server callbacks
%%%============================================================================
@ -292,6 +314,21 @@ handle_cast({hashtable_calc, HashTree, StartPos, CDBpid}, State) ->
{IndexList, HashTreeBin} = leveled_cdb:hashtable_calc(HashTree, StartPos),
ok = leveled_cdb:cdb_returnhashtable(CDBpid, IndexList, HashTreeBin),
{stop, normal, State};
handle_cast({log_level, LogLevel}, State) ->
ok = leveled_log:set_loglevel(LogLevel),
CDBopts = State#state.cdb_options,
CDBopts0 = CDBopts#cdb_options{log_options = leveled_log:get_opts()},
{noreply, State#state{cdb_options = CDBopts0}};
handle_cast({add_logs, ForcedLogs}, State) ->
ok = leveled_log:add_forcedlogs(ForcedLogs),
CDBopts = State#state.cdb_options,
CDBopts0 = CDBopts#cdb_options{log_options = leveled_log:get_opts()},
{noreply, State#state{cdb_options = CDBopts0}};
handle_cast({remove_logs, ForcedLogs}, State) ->
ok = leveled_log:remove_forcedlogs(ForcedLogs),
CDBopts = State#state.cdb_options,
CDBopts0 = CDBopts#cdb_options{log_options = leveled_log:get_opts()},
{noreply, State#state{cdb_options = CDBopts0}};
handle_cast(stop, State) ->
{stop, normal, State}.