mirror of https://gitee.com/bigwinds/arangodb
Merge branch 'devel' of https://github.com/arangodb/arangodb into devel
This commit is contained in:
Simon Grätzer
commit
b5c7906dce
33
CHANGELOG
33
CHANGELOG
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@ -4,13 +4,15 @@ devel
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* --server.maximal-queue-size is now an absolute maximum. If the queue is
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full, then 503 is returned. Setting it to 0 means "no limit".
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* fixed issue #2450
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* fixed issue #2453
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v3.2.alpha4 (2017-04-25)
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------------------------
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* fixed issue #2448
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* fixed issue #2450: Bad optimization plan on simple query
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* fixed issue #2442
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* fixed issue #2448: ArangoDB Web UI takes no action when Delete button is clicked
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* fixed issue #2442: Frontend shows already deleted databases during login
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* added 'x-content-type-options: nosniff' to avoid MSIE bug
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@ -81,6 +83,10 @@ devel
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Enabling this option activated some proprietary timers for only selected
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events in arangod. Instead better use `perf` to gather timings.
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v3.2.alpha3 (2017-03-22)
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------------------------
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* increase default collection lock timeout from 30 to 900 seconds
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* added function `db._engine()` for retrieval of storage engine information at
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@ -118,7 +124,7 @@ devel
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when unused.
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Waiting for an unused V8 context will now also abort if no V8 context can be
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acquired/created after 60 seconds.
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acquired/created after 120 seconds.
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* improved diagnostic messages written to logfiles by supervisor process
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@ -235,7 +241,7 @@ v3.2.alpha1 (2017-02-05)
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* fix potential port number over-/underruns
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* added startup option `--log.shorten-filenames` for controlling whether filenames
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in log message should be shortened to just the filename with the absolute path
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in log messages should be shortened to just the filename with the absolute path
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* removed IndexThreadFeature, made `--database.index-threads` option obsolete
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@ -245,18 +251,27 @@ v3.2.alpha1 (2017-02-05)
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* generated Foxx services now use swagger tags
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v3.1.19 (XXXX-XX-XX)
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--------------------
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* Fixed a StackOverflow issue in Traversal and ShortestPath. Occured if many (>1000) input
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values in a row do not return any result. Fixes issue: #2445
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v3.1.19 (XXXX-XX-XX)
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--------------------
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* fixed issue #2448
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* fixed issue #2442
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* added 'x-content-type-options: nosniff' to avoid MSIE bug
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* fixed issue #2441
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* fixed issue #2440
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* Fixed a StackOverflow issue in Traversal and ShortestPath. Occured if many (>1000) input
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values in a row do not return any result. Fixes issue: #2445
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* fix occasional hanging shutdowns on OS X
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v3.1.18 (2017-04-18)
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@ -4,11 +4,80 @@ Incompatible changes in ArangoDB 3.2
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It is recommended to check the following list of incompatible changes **before**
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upgrading to ArangoDB 3.2, and adjust any client programs if necessary.
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AQL
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---
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* AQL breaking change in cluster:
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The SHORTEST_PATH statement using edge-collection names instead
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of a graph name now requires to explicitly name the vertex-collection names
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within the AQL query in the cluster. It can be done by adding `WITH <name>`
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at the beginning of the query.
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Example:
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```
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FOR v,e IN OUTBOUND SHORTEST_PATH @start TO @target edges [...]
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```
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Now has to be:
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```
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WITH vertices
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FOR v,e IN OUTBOUND SHORTEST_PATH @start TO @target edges [...]
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```
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This change is due to avoid dead-lock sitations in clustered case.
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An error stating the above is included.
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REST API
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--------
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* Removed undocumented internal HTTP API:
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* PUT _api/edges
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The documented GET _api/edges and the undocumented POST _api/edges remains unmodified.
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* change undocumented behaviour in case of invalid revision ids in
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`If-Match` and `If-None-Match` headers from returning HTTP status code 400 (bad request)
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to returning HTTP status code 412 (precondition failed).
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JavaScript API
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--------------
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* change undocumented behaviour in case of invalid revision ids in
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JavaScript document operations from returning error code 1239 ("illegal document revision")
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to returning error code 1200 ("conflict").
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Foxx
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----
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JWT token issued by the built-in [JWT session storage](../Foxx/Sessions/Storages/JWT.md) now correctly specify the `iat` and `exp` values in seconds rather than milliseconds as specified in the JSON Web Token standard.
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* JWT tokens issued by the built-in [JWT session storage](../Foxx/Sessions/Storages/JWT.md) now correctly specify the `iat` and `exp` values in seconds rather than milliseconds as specified in the JSON Web Token standard.
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This may result in previously expired tokens using milliseconds being incorrectly accepted. For this reason it is recommended to replace the signing `secret` or set the new `maxExp` option to a reasonable value that is smaller than the oldest issued expiration timestamp.
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This may result in previously expired tokens using milliseconds being incorrectly accepted. For this reason it is recommended to replace the signing `secret` or set the new `maxExp` option to a reasonable value that is smaller than the oldest issued expiration timestamp.
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For example setting `maxExp` to `10**12` would invalidate all incorrectly issued tokens before 9 September 2001 without impairing new tokens until the year 33658 (at which point these tokens are hopefully no longer relevant).
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For example setting `maxExp` to `10**12` would invalidate all incorrectly issued tokens before 9 September 2001 without impairing new tokens until the year 33658 (at which point these tokens are hopefully no longer relevant).
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Command-line options changed
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----------------------------
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* --server.maximal-queue-size is now an absolute maximum. If the queue is
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full, then 503 is returned. Setting it to 0 means "no limit". The default
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value for this option is now `0`.
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* the default value for `--ssl.protocol` has been changed from `4` (TLSv1) to `5` (TLSv1.2).
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* the startup options `--database.revision-cache-chunk-size` and
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`--database.revision-cache-target-size` are now obsolete and do nothing
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* the startup option `--database.index-threads` option is now obsolete
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* the option `--javascript.v8-contexts` is now an absolute maximum. The server
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may start less V8 contexts for JavaScript execution at startup. If at some
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point the server needs more V8 contexts it may start them dynamically, until
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the number of V8 contexts reaches the value of `--javascript.v8-contexts`.
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the minimum number of V8 contexts to create at startup can be configured via
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the new startup option `--javascript.v8-contexts-minimum`.
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101
LES-TODOS
101
LES-TODOS
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@ -1,101 +0,0 @@
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done
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----
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- create new branch
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- factor out transactions from LogfileManager
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- concept "collection locks"
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- 3 states: READ / WRITE / EXCLUSIVE for locks
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- index implementations => moved & renamed to StorageEngine
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- move engine files into MMFiles directory
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- split IndexElement
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- rename *IndexElement to MMFiles*
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- move fulltext & geoindex & skiplist helper code into MMFiles
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- rename "RocksDBIndex" to "PersistentIndex"
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- Delete OperationCursor->getMore. Replace by getMoreTokens
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- remove ReadCache
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- Index API
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- Indexes always return std::vector<TOKEN>
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- Rename OperationCursor->getMoreMptr => getMoreTokens, "returns" std::vector<TOKEN>&
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- GeoIndex hands out TRI_revision instead of Tokens
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- FulltextIndex hands out TRI_revision instead of Tokens
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- trx::InvokeOnAllElements : uses SimpleIndexLookupElements => Has to use Tokens instead?
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- remove TransactionState include from Transaction.h
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MMFiles reference removals from files:
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* arangod/V8Server/v8-query.cpp
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- StorageEngine specific IndexFactory:
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- create indexes from VPack
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- enhance/validate given VPack index definitions (set default values, reject illegal ones)
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- Implement new IndexIterator API next(callback, limit)
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- Primary
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- Hash
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- Skiplist
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- Persistent
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- Geo
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- Fulltext
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- index API
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- StorageEngine specific AQL functions
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- Register for specific function names => branches to StorageEngine impl
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- Storage Engine can implement these functions with specific code and interna
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- e.g.: Geo, Fulltext
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- Replace Usage of new callback-based IndexIterator
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- move engine-specific parts of transaction.cpp into engine
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- Logical => Physical
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- keyGenerator
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- dropIndex(p) => phys->dropIndex(p, true)
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- DML API
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- DDL API
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- StorageEngineAPI readDocument requires 2 functions:
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- void readDocument(TOKEN id, VPackBuilder& result) => Collects the document and inserts it asis into result. Does NOT clear result.
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- void readDocument(TOKEN id, std::vector<std::string> const& attributePath, VPackBuilder& result) => Collects the document and writes only the value at the given attributePath (e.g. `a.b.c`) into result. Does NOT clear result.
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in progress
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-----------
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- check for illegal includes
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- fix includes during API conversion
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to do
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-----
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- rename TRI_df_marker_* to something storage-engine specific
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- applyForTickRange has to be moved to MMFilesCollection (used in replication-dump)
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- add new serialization RW lock to LogicalCollection. all DML ops must acquire it in read mode, the explicit lock command must acquire it in write mode.
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- AqlValue needs a (lazy evaluated) type TOKEN that handles collection ID and TOKEN inplace.
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- slice() => looksup the value in the Database
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- We need to keep in mind the cluster. If a DBServer creates this token-type it has to be translated BEFORE the register is teleported to coordinator
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- Remove temporary wrapper LogCol::readDocument()
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- InitialySyncer.cpp knows details of StorageEngine MMFiles
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MMFiles are known to the following files:
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* arangod/Replication/InitialSyncer.cpp
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* arangod/RestHandler/RestExportHandler.cpp
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* arangod/RestHandler/RestWalHandler.cpp
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* arangod/RestHandler/RestReplicationHandler.cpp
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* arangod/RestServer/arangod.cpp
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* arangod/StorageEngine/EngineSelectorFeature.cpp
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* arangod/Utils/CollectionExport.cpp
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* arangod/Utils/CollectionKeys.cpp
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* arangod/V8Server/v8-replication.cpp
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* arangod/V8Server/v8-collection.cpp
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* arangod/V8Server/v8-vocbase.cpp
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* arangod/VocBase/replication-dump.cpp
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* arangod/VocBase/vocbase.cpp
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- IndexFactory needs a function to stringifyIndexes and rename idxFoo => IdxZirkusBar
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- Implement new IndexIterator API nextExtra(callback, limit)
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- Geo
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- OperationOptions
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- recovoryMarker
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- re-enable RocksDB storage engine (e.g arangod.cpp)
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- implement RocksDB storage engine
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Questions
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---------
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* For GeoIndex `ignoreNull: true` and `constraint: false` are only set in Cluster mode. Is that art or can it go away?
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OpenIssues Hacki
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----------------
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* HashIndex Lookup into a still local buffer, could be replaced by callback as well.
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* SingleServerTraverser API does NOT takeover responsibility for slice data. getMore() hopes slices to not go away
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* This API can be improved if we make better use of those callbacks.
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* ShortestPathBlock does assume that slices do not walk away.
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* EdgeCollectionInfos in ShortestPath could share one conditionBuilder.
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