* stable-6.4:
Add missing since tag for SshBasicTestBase
Add missing since tag for SshTestHarness#publicKey2
Silence API errors
Prevent infinite loop rescanning the pack list on
PackMismatchException
Remove blank in maven.config
Change-Id: I89af76946014fb44bd64c20e2b01a53397768d90
* stable-6.3:
Add missing since tag for SshBasicTestBase
Add missing since tag for SshTestHarness#publicKey2
Silence API errors
Prevent infinite loop rescanning the pack list on PackMismatchException
Remove blank in maven.config
Change-Id: I18b46be0f09535c61efabe24ab1579faa3d06ba8
* stable-6.2:
Add missing since tag for SshBasicTestBase
Add missing since tag for SshTestHarness#publicKey2
Silence API errors
Prevent infinite loop rescanning the pack list on PackMismatchException
Remove blank in maven.config
Change-Id: I8006068f16ae442a2246e043a680053f2af34e9f
* stable-6.1:
Add missing since tag for SshBasicTestBase
Add missing since tag for SshTestHarness#publicKey2
Silence API errors
Prevent infinite loop rescanning the pack list on PackMismatchException
Remove blank in maven.config
Change-Id: I4c5b000b09287cc32f0e4d6a24a766ef4e17ddbe
* stable-6.0:
Add missing since tag for SshBasicTestBase
Add missing since tag for SshTestHarness#publicKey2
Silence API errors
Prevent infinite loop rescanning the pack list on PackMismatchException
Remove blank in maven.config
Change-Id: Ia01c5ac5259b8820afb823d97bee247b5a5fb14a
* stable-5.13:
Add missing since tag for SshBasicTestBase
Add missing since tag for SshTestHarness#publicKey2
Silence API errors
Prevent infinite loop rescanning the pack list on
PackMismatchException
Remove blank in maven.config
Change-Id: Id37bee59ca3c7947604c54b6d4e7c02628a657fe
* stable-5.12:
Add missing since tag for SshBasicTestBase
Add missing since tag for SshTestHarness#publicKey2
Silence API errors
Prevent infinite loop rescanning the pack list on
PackMismatchException
Remove blank in maven.config
Change-Id: Ibe6652374ab5971105e62b05279f218c8c130fee
* stable-5.11:
Add missing since tag for SshBasicTestBase
Add missing since tag for SshTestHarness#publicKey2
Silence API errors
Prevent infinite loop rescanning the pack list on PackMismatchException
Remove blank in maven.config
Change-Id: I25bb99687b969f9915a7cbda8d1332bec778096a
* stable-5.10:
Add missing since tag for SshTestHarness#publicKey2
Silence API errors
Prevent infinite loop rescanning the pack list on
PackMismatchException
Remove blank in maven.config
Migrated "Prevent infinite loop rescanning the pack list on
PackMismatchException" to refactoring done in
https://git.eclipse.org/r/q/topic:restore-preserved-packs
Change-Id: I0fb77bb9b498d48d5da88a93486b99bf8121e3bd
* stable-5.9:
Prevent infinite loop rescanning the pack list on
PackMismatchException
Remove blank in maven.config
Change-Id: I15ff2d7716ecaceb0eb87b8823d85670f5db709d
We found, when analysing an incident where Gerrit's gc runner thread got
stuck, that we can end up in an infinite loop in
ObjectDirectory#openPackedObject which tries to rescan the pack
list and starts over trying to open a packed object in an unconfined
loop if it catches a PackMismatchException.
Here the relevant part of a thread dump we created while the gc runner
was stuck:
"WorkQueue-2[java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@350812a3[Not
completed,
task = java.util.concurrent.Executors$RunnableAdapter@5425d7ee]]" #72
tid=0x00007f73cee1c800 nid=0x584
runnable [0x00007f7392d57000]
java.lang.Thread.State: RUNNABLE
at org.eclipse.jgit.internal.storage.file.WindowCache.removeAll(WindowCache.java:716)
at org.eclipse.jgit.internal.storage.file.WindowCache.purge(WindowCache.java:399)
at org.eclipse.jgit.internal.storage.file.PackFile.close(PackFile.java:296)
at org.eclipse.jgit.internal.storage.file.ObjectDirectory.reuseMap(ObjectDirectory.java:973)
at org.eclipse.jgit.internal.storage.file.ObjectDirectory.scanPacksImpl(ObjectDirectory.java:904)
at org.eclipse.jgit.internal.storage.file.ObjectDirectory.scanPacks(ObjectDirectory.java:895)
- locked <0x000000050a498f60> (a
java.util.concurrent.atomic.AtomicReference)
at org.eclipse.jgit.internal.storage.file.ObjectDirectory.searchPacksAgain(ObjectDirectory.java:794)
at org.eclipse.jgit.internal.storage.file.ObjectDirectory.openPackedObject(ObjectDirectory.java:465)
at org.eclipse.jgit.internal.storage.file.ObjectDirectory.openPackedFromSelfOrAlternate(ObjectDirectory.java:417)
at org.eclipse.jgit.internal.storage.file.ObjectDirectory.openObject(ObjectDirectory.java:408)
at org.eclipse.jgit.internal.storage.file.WindowCursor.open(WindowCursor.java:132)
at org.eclipse.jgit.lib.ObjectReader$1.open(ObjectReader.java:279)
at org.eclipse.jgit.revwalk.RevWalk$2.next(RevWalk.java:1031)
at org.eclipse.jgit.internal.storage.pack.PackWriter.findObjectsToPack(PackWriter.java:1911)
at org.eclipse.jgit.internal.storage.pack.PackWriter.preparePack(PackWriter.java:960)
at org.eclipse.jgit.internal.storage.pack.PackWriter.preparePack(PackWriter.java:876)
at org.eclipse.jgit.internal.storage.file.GC.writePack(GC.java:1168)
at org.eclipse.jgit.internal.storage.file.GC.repack(GC.java:852)
at org.eclipse.jgit.internal.storage.file.GC.doGc(GC.java:269)
at org.eclipse.jgit.internal.storage.file.GC.gc(GC.java:220)
at org.eclipse.jgit.api.GarbageCollectCommand.call(GarbageCollectCommand.java:179)
at com.google.gerrit.server.git.GarbageCollection.run(GarbageCollection.java:112)
at com.google.gerrit.server.git.GarbageCollection.run(GarbageCollection.java:75)
at com.google.gerrit.server.git.GarbageCollection.run(GarbageCollection.java:71)
at com.google.gerrit.server.git.GarbageCollectionRunner.run(GarbageCollectionRunner.java:76)
at com.google.gerrit.server.logging.LoggingContextAwareRunnable.run(LoggingContextAwareRunnable.java:103)
at java.util.concurrent.Executors$RunnableAdapter.call(java.base@11.0.18/Executors.java:515)
at java.util.concurrent.FutureTask.runAndReset(java.base@11.0.18/FutureTask.java:305)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(java.base@11.0.18/ScheduledThreadPoolExecutor.java:305)
at com.google.gerrit.server.git.WorkQueue$Task.run(WorkQueue.java:612)
at java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.18/ThreadPoolExecutor.java:1128)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.18/ThreadPoolExecutor.java:628)
at java.lang.Thread.run(java.base@11.0.18/Thread.java:829)
The code in ObjectDirectory#openPackedObject [1] apparently assumes that
this is caused by a transient problem which it can resume from by
retrying. We use `core.trustFolderStat = false` on this server since it
uses NFS. The incident we had showed that we can enter into an infinite
loop here if there is a permanent mismatch between a pack file and its
corresponding pack index. I am not yet sure how this can happen.
Break the infinite loop by limiting the number of attempts rescanning
the pack list to 5 retries. When we exceed this threshold set the type
of the PackMismatchException to permanent and rethrow it which breaks
the infinite loop.
Also apply the same limit in #getPackedObjectSize
and #selectObjectRepresentation where we use similar retry loops.
[1] 011c26ff36/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ObjectDirectory.java (465)
Change-Id: I20fb63bcc1fdc3a03d39b963f06a90e6f0ba73dc
If a RevCommitCG was newly created and called #parseCanonical(RevWalk,
byte[]) method immediately, its flag was marked as PARSED, but no
derived data was obtained from the commit-graph. This is different from
what we expected.
Change-Id: I5d417efa3c42d211f19e6acf255f761e84d84450
Signed-off-by: kylezhao <kylezhao@tencent.com>
Support the new option index.skipHash which was introduced in git 2.40
[1]. If it is set to true skip computing the git index checksum. This
accelerates Git commands that manipulate the index, such as git add, git
commit, or git status. Instead of storing the checksum, write a trailing
set of bytes with value zero, indicating that the computation was
skipped.
Accept a skipped checksum consisting of 20 null bytes when reading the
index since the option could have been set to true at the time when the
index was written.
[1] https://git-scm.com/docs/git-config#Documentation/git-config.txt-indexskipHash
Bug: 581723
Change-Id: I28ebe44c5ca1cbcb882438665d686452a0c111b2
When commit-graph file already exists in the repository, a newly
created FileCommitGraph didn't scan CommitGraph until the file was
modified, resulting in wrong result.
Change-Id: Ic85676f2d3b6a88f3ae28d4065729926b6fb2f23
Signed-off-by: kylezhao <kylezhao@tencent.com>
From File#lines javadoc: The returned stream from File Lines
encapsulates a Reader. If timely disposal of file system resources is
required, the try-with-resources construct should be used to ensure
that the stream's close method is
invoked after the stream operations are completed.
Wrap File.lines with try-with-resources.
Change-Id: I82c6faa3ef1083f6c7e964f96e9540b4db18eee8
Signed-off-by: Xing Huang <xingkhuang@google.com>
(cherry picked from commit 172a207945)
In these cases we use Throwable#addSuppressed to ensure the exception
thrown in the catch block preceding the finally block throwing another
exception isn't lost.
Change-Id: I96e78a5c15238ab77ac90ca1901850ce19acfcd8
The native git option to preserve merge commits during rebase
has been changed from pull.rebase=preserve to pull.rebase=merges.
This changeset in jgit makes the same config change. The old "preserve"
option is no longer recognized and is replaced by new option called
"merges".
This makes jgit's rebase configuration compatible with native git
versions 2.34 and newer where the old "preserve" option has been
removed.
Change-Id: Ic07ff954e258115e76465a1593ef3259f4c418a3
Display elapsed time per task if enabled via
ProgressMonitor#showDuration or if system property or environment
variable GIT_TRACE_PERFORMANCE is set to "true". If both the system
property and the environment variable are set the system property takes
precedence.
E.g. using jgit CLI:
$ GIT_TRACE_PERFORMANCE=true jgit clone https://foo.bar/foobar
Cloning into 'foobar'...
remote: Counting objects: 1 [0.002s]
remote: Finding sources: 100% (15531/15531) [0.006s]
Receiving objects: 100% (169737/169737) [13.045s]
Resolving deltas: 100% (67579/67579) [1.842s]
Change-Id: I4d624e7858b286aeddbe7d4e557589986d73659e
PackWriter callers tell the writer what do the want to include in the
pack and invoke #writePack(). Afterwards, they can invoke #writeIndex()
to write the corresponding pack index.
Mirror this for the object-size index, adding a #writeObjectSizeIndex()
method.
Change-Id: Ic319975c72c239cd6488303f7d4cced797e6fe00
* stable-6.4:
If tryLock fails to get the lock another gc has it
Fix GcConcurrentTest#testInterruptGc
Don't swallow IOException in GC.PidLock#lock
Check if FileLock is valid before using or releasing it
Change-Id: Ia2797b44a60342eb9df53f0b3d674cba92a512fc
* stable-6.3:
If tryLock fails to get the lock another gc has it
Fix GcConcurrentTest#testInterruptGc
Don't swallow IOException in GC.PidLock#lock
Check if FileLock is valid before using or releasing it
Change-Id: I5af34c92e423a651db53b4dc45ed844d5f39910d
* stable-6.2:
If tryLock fails to get the lock another gc has it
Fix GcConcurrentTest#testInterruptGc
Don't swallow IOException in GC.PidLock#lock
Check if FileLock is valid before using or releasing it
Change-Id: I5b6b10622b61fde3f0f10455a74ae159a0b69082
* stable-6.1:
If tryLock fails to get the lock another gc has it
Fix GcConcurrentTest#testInterruptGc
Don't swallow IOException in GC.PidLock#lock
Check if FileLock is valid before using or releasing it
Change-Id: I3ffe92566cc145053bb762f612dd96bc6d542c62
* stable-6.0:
If tryLock fails to get the lock another gc has it
Fix GcConcurrentTest#testInterruptGc
Don't swallow IOException in GC.PidLock#lock
Check if FileLock is valid before using or releasing it
Change-Id: Idea23e555c024557d7e39a86efe25f609400b962
* stable-5.13:
If tryLock fails to get the lock another gc has it
Fix GcConcurrentTest#testInterruptGc
Don't swallow IOException in GC.PidLock#lock
Check if FileLock is valid before using or releasing it
Change-Id: I708d0936fa86b028e4da4e7e21f332f8b48ad293
This broke the test GcConcurrentTest#testInterruptGc which expects
ClosedByInterruptException when the thread doing gc is interrupted.
Change-Id: I89e02fc37aceeccb04c20cfc5b71cb8fa21793d6
* stable-6.4:
Use Java 11 ProcessHandle to get pid of the current process
Acquire file lock "gc.pid" before running gc
Silence API errors introduced by 9424052f
Change-Id: Ifa4e56b6ecca9305f3f1685e45450019bfc82e22
* stable-6.3:
Use Java 11 ProcessHandle to get pid of the current process
Acquire file lock "gc.pid" before running gc
Silence API errors introduced by 9424052f
Change-Id: Ic40dbab18616d8d9fe3820b9890c86652b80eb47
* stable-6.2:
Use Java 11 ProcessHandle to get pid of the current process
Acquire file lock "gc.pid" before running gc
Silence API errors introduced by 9424052f
Change-Id: I53cf9675deac0b588048d8224216d2a7e8bd16ec
Matthias Sohn