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jgit/org.eclipse.jgit.test/tst-rsrc/log4j.properties

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Adding AES Walk Encryption support in http://www.jets3t.org/ mode See previous attempt: https://git.eclipse.org/r/#/c/16674/ Here we preserve as much of JetS3t mode as possible while allowing to use new Java 8+ PBE algorithms such as PBEWithHmacSHA512AndAES_256 Summary of changes: * change pom.xml to control long tests * add WalkEncryptionTest.launch to run long tests * add AmazonS3.Keys to to normalize use of constants * change WalkEncryption to support AES in JetS3t mode * add WalkEncryptionTest to test remote encryption pipeline * add support for CI configuration for live Amazon S3 testing * add log4j based logging for tests in both Eclipse and Maven build To test locally, check out the review branch, then: * create amazon test configuration file * located your home dir: ${user.home} * named jgit-s3-config.properties * file format follows AmazonS3 connection settings file: accesskey = your-amazon-access-key secretkey = your-amazon-secret-key test.bucket = your-bucket-for-testing * finally: * run in Eclipse: WalkEncryptionTest.launch * or * run in Shell: mvn test --define test=WalkEncryptionTest Change-Id: I6f455fd9fb4eac261ca73d0bec6a4e7dae9f2e91 Signed-off-by: Andrei Pozolotin <andrei.pozolotin@gmail.com>
9 years ago
# Root logger option
log4j.rootLogger=INFO, stdout
# Direct log messages to stdout
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.out
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n
Bazel: enable logging for tests in org.eclipse.jgit.test - use slf4j-simple for logging in test runs - for log configuration see https://www.slf4j.org/api/org/slf4j/impl/SimpleLogger.html Change-Id: I9f0a532644b31162c867cd0d63f083296eaf6be5 Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
5 years ago
log4j.appender.fileLogger.bufferedIO = true
log4j.appender.fileLogger.bufferSize = 4096
Measure minimum racy interval to auto-configure FileSnapshot By running FileSnapshotTest#detectFileModified we found that the sum of measured filesystem timestamp resolution and measured clock resolution may yield a too small interval after a file has been modified which we need to consider racily clean. In our tests we didn't find this behavior on all systems we tested on, e.g. on MacOS using APFS and Java 8 and 11 this effect was not observed. On Linux (SLES 15, kernel 4.12.14-150.22-default) we collected the following test results using Java 8 and 11: In 23-98% of 10000 test runs (depending on filesystem type and Java version) the test failed, which means the effective interval which needs to be considered racily clean after a file was modified is larger than the measured file timestamp resolution. "delta" is the observed interval after a file has been modified but FileSnapshot did not yet detect the modification: "resolution" is the measured sum of file timestamp resolution and clock resolution seen in Java. Java version filesystem failures resolution min delta max delta 1.8.0_212-b04 btrfs 98.6% 1 ms 3.6 ms 6.6 ms 1.8.0_212-b04 ext4 82.6% 3 ms 1.1 ms 4.1 ms 1.8.0_212-b04 xfs 23.8% 4 ms 3.7 ms 3.9 ms 1.8.0_212-b04 zfs 23.1% 3 ms 4.8 ms 5.0 ms 11.0.3+7 btrfs 98.1% 3 us 0.7 ms 4.7 ms 11.0.3+7 ext4 98.1% 6 us 0.7 ms 4.7 ms 11.0.3+7 xfs 98.5% 7 us 0.1 ms 8.0 ms 11.0.3+7 zfs 98.4% 7 us 0.7 ms 5.2 ms Mac OS 1.8.0_212 APFS 0% 1 s 11.0.3+7 APFS 0% 6 us The observed delta is not distributed according to a normal gaussian distribution but rather random in the observed range between "min delta" and "max delta". Run this test after measuring file timestamp resolution in FS.FileAttributeCache to auto-configure JGit since it's unclear what mechanism is causing this effect. In FileSnapshot#isRacyClean use the maximum of the measured timestamp resolution and the measured "delta" as explained above to decide if a given FileSnapshot is to be considered racily clean. Add a 30% safety margin to ensure we are on the safe side. Change-Id: I1c8bb59f6486f174b7bbdc63072777ddbe06694d Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
5 years ago
Disable debug log for FS in org.eclipse.jgit.test This was enabled unintentionally in 06fc6c7c and spams the test logs. We can enable this when needed. Change-Id: I9f3042c0e285ff236be65fcc02bdcfdb90efc3af Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
5 years ago
#log4j.logger.org.eclipse.jgit.util.FS = DEBUG
Measure minimum racy interval to auto-configure FileSnapshot By running FileSnapshotTest#detectFileModified we found that the sum of measured filesystem timestamp resolution and measured clock resolution may yield a too small interval after a file has been modified which we need to consider racily clean. In our tests we didn't find this behavior on all systems we tested on, e.g. on MacOS using APFS and Java 8 and 11 this effect was not observed. On Linux (SLES 15, kernel 4.12.14-150.22-default) we collected the following test results using Java 8 and 11: In 23-98% of 10000 test runs (depending on filesystem type and Java version) the test failed, which means the effective interval which needs to be considered racily clean after a file was modified is larger than the measured file timestamp resolution. "delta" is the observed interval after a file has been modified but FileSnapshot did not yet detect the modification: "resolution" is the measured sum of file timestamp resolution and clock resolution seen in Java. Java version filesystem failures resolution min delta max delta 1.8.0_212-b04 btrfs 98.6% 1 ms 3.6 ms 6.6 ms 1.8.0_212-b04 ext4 82.6% 3 ms 1.1 ms 4.1 ms 1.8.0_212-b04 xfs 23.8% 4 ms 3.7 ms 3.9 ms 1.8.0_212-b04 zfs 23.1% 3 ms 4.8 ms 5.0 ms 11.0.3+7 btrfs 98.1% 3 us 0.7 ms 4.7 ms 11.0.3+7 ext4 98.1% 6 us 0.7 ms 4.7 ms 11.0.3+7 xfs 98.5% 7 us 0.1 ms 8.0 ms 11.0.3+7 zfs 98.4% 7 us 0.7 ms 5.2 ms Mac OS 1.8.0_212 APFS 0% 1 s 11.0.3+7 APFS 0% 6 us The observed delta is not distributed according to a normal gaussian distribution but rather random in the observed range between "min delta" and "max delta". Run this test after measuring file timestamp resolution in FS.FileAttributeCache to auto-configure JGit since it's unclear what mechanism is causing this effect. In FileSnapshot#isRacyClean use the maximum of the measured timestamp resolution and the measured "delta" as explained above to decide if a given FileSnapshot is to be considered racily clean. Add a 30% safety margin to ensure we are on the safe side. Change-Id: I1c8bb59f6486f174b7bbdc63072777ddbe06694d Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
5 years ago
#log4j.logger.org.eclipse.jgit.internal.storage.file.FileSnapshot = DEBUG