batch replication pull must preserve versionID regardless
of destination bucket versioning configuration.
This is similar to the issue with decommissioning and rebalancing
health checks were missing for drives replaced since
- HealFormat() would replace the drives without a health check
- disconnected drives when they reconnect via connectEndpoint()
the loop also loses health checks for local disks and merges
these into a single code.
- other than this separate cleanUp, health check variables to avoid
overloading them with similar requirements.
- also ensure that we compete via context selector for disk monitoring
such that the canceled disks don't linger around longer waiting for
the ticker to trigger.
- allow disabling active monitoring.
```
minio[1032735]: panic: label value "\xc0.\xc0." is not valid UTF-8
minio[1032735]: goroutine 1781101 [running]:
minio[1032735]: github.com/prometheus/client_golang/prometheus.MustNewConstMetric(...)
```
log such errors for investigation
Send() is synchronous and can affect the latency of S3 requests when the
logger buffer is full.
Avoid checking if the HTTP target is online or not and increase the
workers anyway since the buffer is already full.
Also, avoid logs flooding when the audit target is down.
Limit large uploads (> 128MiB) to a max of 10 workers, intent is to avoid
larger uploads from using all replication bandwidth, giving room for smaller
uploads to sync faster.
slower drives get knocked off because they are too slow via
active monitoring, we do not need to block calls arbitrarily.
Serializing adds latencies for already slow calls, remove
it for SSDs/NVMEs
Also, add a selection with context when writing to `out <-`
channel, to avoid any potential blocks.
Revert "don't error when asked for 0-based range on empty objects (#17708)"
This reverts commit 7e76d66184.
There is no valid way to specify offsets in a 0-byte file. Blame it on the [RFC](https://datatracker.ietf.org/doc/html/rfc7233#section-4.4)
> The 416 (Range Not Satisfiable) status code indicates that none of the ranges in the
> request's Range header field (Section 3.1) overlap the current extent of the selected resource...
A request for "bytes=0-" is a request for the first byte of a resource. If the resource is 0-length,
the range [0,0] does not overlap the resource content and the server responds with an error.
In a reverse proxying setup, a proxy in front of MinIO may attempt to
request objects in slices for enhanced cache efficiency. Since such a
a proxy cannot have prior knowledge of how large a requested resource is,
it usually sends a header of the form:
Range: 0-$slice_size
... and, depending on the size of the resource, expects either:
- an empty response, if $resource_size == 0
- a full response, if $resource_size <= $slice_size
- a partial response, if $resource_size > $slice_size
Prior to this change, MinIO would respond 416 Range Not Satisfiable if a
client tried to request a range on an empty resource. This behavior is
technically consistent with RFC9110[1] – However, it renders sliced
reverse proxying, such as implemented in Nginx, broken in the case of
empty files. Nginx itself seems to break this convention to enable
"useful" responses in these cases, and MinIO should probably do that
too.
[1]: https://www.rfc-editor.org/rfc/rfc9110#byte.ranges
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