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It is not used anymore, snmp indecies are now ets tables and not processes.
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Which may hang if an application start does wait for tables
during initilization.
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* maint:
Updated OTP version
Prepare release
Fixed crash when a table was deleted during checkpoint traversal
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Set fixtable false will fail on deleted tables, catch that and also
report checkpoint deactivate error, so user can see why checkpoint
was deactivated and backup fails.
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The module mnesia_frag_old_hash utilized the broken erlang:hash/2 function
which has been deprecated for a long time. Since erlang:hash/2 is now removed
there is no point in having this module any more.
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* maint:
Use off_heap memory queue for mnesia_tm
Preserve key order in mnesia:table_info
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* richcarl/mnesia/table_info_order:
Preserve key order in mnesia:table_info
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Helps when mnesia_tm gets drowned in dirty_writes from remote node.
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* dgud/mnesia/type-specs:
Add basic spec and types
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Continuations returned from mnesia_ext backends were originally wrapped with
the backend module, but that was a remnant of the earliest implementation,
and is not actually needed, since Mnesia already knows what the table
storage type is when it applies the continuation. When mnesia_ext was ported
to OTP 19, the wrapper got changed to use the table type alias instead of
the module, which triggered an error in the mnesia_eleveldb backend. This
patch removes the wrapping completely.
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To separate concerns and reduce confusion, avoid implementing two
behaviours in a single module. Make a single start_link() helper in
mnesia_sup and remove the unused mnesia_sup:start() utility function.
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* dgud/mnesia/fix-blocked/OTP-13970:
Avoid some error reports when stopping mnesia
mnesia: Fix double blocked tables which could cause a crash
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Worker processes can cause error reports if the main mnesia processes
dissapear.
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Fast restarts could cause table to be blocked twice.
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A continuation returned by mnesia:select/[14] should be reusable in
different, non-transactional activities. Aborting with
wrong_transaction doesn't make sense in a dirty context.
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When building match result patterns the tuples they must qouted
with { }, which causes a problem with variable patterns.
Use element(1, Match) instead of trying to build the two tuple.
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* dgud/mnesia/ext-backend/PR-858/OTP-13058:
mnesia_ext: Add basic backend extension tests
mnesia_ext: reuse snmp field for ext updates
mnesia_ext: Create table/data containers from mnesia monitor not temporary processes
mnesia_ext: Implement ext copies index
mnesia_ext: Load table ext
mnesia_ext: Dumper and schema changes
mnesia_ext: Refactor mnesia_schema.erl
mnesia_ext: Ext support in fragmented tables
mnesia_ext: Backup handling
mnesia_ext: Create schema functionality
mnesia_ext: Add ext copies and db_fold to low level api
mnesia_ext: Refactor record_validation code
mnesia_ext: Add create_external and increase protocol version to monitor
mnesia_ext: Add ext copies to records
mnesia_ext: Add supervisor and behaviour modules
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Minimal impact when talking to older nodes.
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processes
Tables or data containers should be owned and monitored by mnesia_monitor and
should thus be created by that process.
Always create_table before loading it
We need to create tables for ram_copies at least before loading
them as they are intermittent. It is also needed to get mnesia
monitor as the parent and supervisor of the data storage.
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Make ram_copies index always use ordered_set
And use index type as prefered type not a implementation requirement,
the standard implmentation will currently ignore the prefered type.
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Add ext to table/system information
Add add_backend_type
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Should maybe be moved to mnesia.erl and inlined??
Or is it used elsewhere?
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new protocol version to handle new schema fields
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* henrik/update-copyrightyear:
update copyright-year
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=== OTP-18.3.1 ===
Changed Applications:
- erts-7.3.1
- inets-6.2.1
- mnesia-4.13.4
Unchanged Applications:
- asn1-4.0.2
- common_test-1.12
- compiler-6.0.3
- cosEvent-2.2
- cosEventDomain-1.2
- cosFileTransfer-1.2
- cosNotification-1.2.1
- cosProperty-1.2
- cosTime-1.2.1
- cosTransactions-1.3.1
- crypto-3.6.3
- debugger-4.1.2
- dialyzer-2.9
- diameter-1.11.2
- edoc-0.7.18
- eldap-1.2.1
- erl_docgen-0.4.2
- erl_interface-3.8.2
- et-1.5.1
- eunit-2.2.13
- gs-1.6
- hipe-3.15
- ic-4.4
- jinterface-1.6.1
- kernel-4.2
- megaco-3.18
- observer-2.1.2
- odbc-2.11.1
- orber-3.8.1
- os_mon-2.4
- ose-1.1
- otp_mibs-1.1
- parsetools-2.1.1
- percept-0.8.11
- public_key-1.1.1
- reltool-0.7
- runtime_tools-1.9.3
- sasl-2.7
- snmp-5.2.2
- ssh-4.2.2
- ssl-7.3
- stdlib-2.8
- syntax_tools-1.7
- test_server-3.10
- tools-2.8.3
- typer-0.9.10
- webtool-0.9.1
- wx-1.6.1
- xmerl-1.3.10
Conflicts:
OTP_VERSION
erts/emulator/test/save_calls_SUITE.erl
erts/vsn.mk
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Mnesia didn't forward mnesia_down to transactions which where already
decided to be aborted, but that could lead to hanging transactions
still waiting for messages from the node which had stopped.
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* maint:
Fix a few dialyzer warnings
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* maint:
xmerl: Remove 'no_return' Dialyzer warnings
xmerl: Add suppression of Dialyzer warnings
eunit: Add suppression of Dialyzer warnings
debugger: Add suppression of Dialyzer warnings
kernel: Add suppression of Dialyzer warnings
mnesia: Add suppression of Dialyzer warnings
observer: Add suppression of Dialyzer warnings
runtime_tools: Add suppression of Dialyzer warnings
stdlib: Add suppression of Dialyzer warnings
test_server: Add suppression of Dialyzer warnings
tools: Add suppression of Dialyzer warnings
Conflicts:
lib/stdlib/src/erl_lint.erl
lib/stdlib/src/otp_internal.erl
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* maint:
mnesia: let loader check if tablelock is needed
mnesia: Avoid deadlock possibility in mnesia:del_table_copy schema
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move_table_copy needs the lock that was set previously in del_table_copy.
This doesn't work on old nodes, so bump protocol version and check it.
Remove old protocol conversion code, which have been around since OTP-R15.
Checking if lock is needed requires rpc communication via mnesia_gvar
ets table to be backwards compatible.
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del_table_copy grabs a write lock in a new process in prepare_op/3 to
change 'where_to_read' when a table copy is updated.
When del_table_copy(schema, Node) is called all copies located on Node
are deleted, and thus many locks are taken. Since this was done outside
of the schema-transaction, mnesia's deadlock prevention algorithms
was sidestepped and a deadlock could occur.
Fix by always grabbing write-locks for all changed tabs early and in the same
transaction, this might slow done the operation some but it must be done
and it also cleans up the code.
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In most cases, we don't have to seed the random number generator,
as the rand:uniform/1 takes care about that itself.
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Introduced a leak of disk_log processes in the rewrite to try-catch.
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There is no need to update the index table if a record is updated in non
indexed field. This removes one timing glitch where dirty_index_read would
return an empty list for records that where updated.
There is still an issue with dirty_index_read when updates are made to
the index field, it have been reduced but the real table updates are made
after the index table references have been added.
Originally reported by Nick Marino in erl-questions mailing list, thanks.
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