These are maintenance releases that fix blocking issues appeared in version 2.6.0 when using multiple RedisStorage
instances in the same process with the same queue names, avoid sharing the same semaphore for different storages when using distributed locks, add RedisStorageOptions.UseLegacyTransactions
option to avoid using LUA-based transactions and add experimental Hangfire.Pro.Redis.SEv2 package based on StackExchange.Redis 2.X.
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This release adds the IGlobalConfiguration.UseMaxLinesInExceptionDetails
option to cap exception details when background jobs fail with an exception and forces only the first 100 lines of a stack trace to be persisted by default to avoid uncontrollable storage size growth. Also some improvements for SQL Server storage were added.
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This version contains the most important changes for request/response processing pipeline since version 2.1 in terms of performance. LUA scripting feature is now used to implement transactions with proper locking, and it is much more efficient than the previous implementation based on conditional transactions. Less round-trips, reduced impact caused by latency, optimized distributed locks and better fetching from multiple queues makes this release so important, especially when using the package in a cloud environment.
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New version fixes a regression appeared in 1.7.13 which causes unexpected duplicate entries in the JobParameters
table when using SQL Server as a job storage with older schemas (V5 and below). This problem is caused by a changed query in the previous version, and that change is rolled back now. No other manual steps required to fix the issue.
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New release brings support to detach background jobs from mutexes and semaphores without changing their state. New buttons added to the Dashboard UI, and new methods added to the ThrottlingManager
class (but not to the interface to avoid breaking changes) to support the new feature.
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