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Merge branch 'main' into yuchen/virtual-file-config

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This commit is contained in:
Yuchen Liang
2024-10-07 11:49:13 -04:00
committed by GitHub
parent 5c76b2d474 323bd018cd
commit bc13310e56
220 changed files with 3905 additions and 2059 deletions
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9
libs/pageserver_api/src/config.rs
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@@ -296,7 +296,14 @@ pub mod defaults {
pub const DEFAULT_INGEST_BATCH_SIZE: u64 = 100;
pub const DEFAULT_MAX_VECTORED_READ_BYTES: usize = 128 * 1024; // 128 KiB
/// Soft limit for the maximum size of a vectored read.
///
/// This is determined by the largest NeonWalRecord that can exist (minus dbdir and reldir keys
/// which are bounded by the blob io limits only). As of this writing, that is a `NeonWalRecord::ClogSetCommitted` record,
/// with 32k xids. That's the max number of XIDS on a single CLOG page. The size of such a record
/// is `sizeof(Transactionid) * 32768 + (some fixed overhead from 'timestamp`, the Vec length and whatever extra serde serialization adds)`.
/// That is, slightly above 128 kB.
pub const DEFAULT_MAX_VECTORED_READ_BYTES: usize = 130 * 1024; // 130 KiB
pub const DEFAULT_IMAGE_COMPRESSION: ImageCompressionAlgorithm =
ImageCompressionAlgorithm::Zstd { level: Some(1) };

10
libs/pageserver_api/src/key.rs
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@@ -748,6 +748,16 @@ impl Key {
self.field1 == 0x00 && self.field4 != 0 && self.field6 != 0xffffffff
}
#[inline(always)]
pub fn is_rel_dir_key(&self) -> bool {
self.field1 == 0x00
&& self.field2 != 0
&& self.field3 != 0
&& self.field4 == 0
&& self.field5 == 0
&& self.field6 == 1
}
/// Guaranteed to return `Ok()` if [`Self::is_rel_block_key`] returns `true` for `key`.
#[inline(always)]
pub fn to_rel_block(self) -> anyhow::Result<(RelTag, BlockNumber)> {