Another batch of documentation improvements
Fix Spelling in:
- Comments in code
- Displayed strings
One change was in a json file used for the anomaly dashboard in docker,
else no other code was changed.
Some Markdown changes, related to standards:
- URLs
- List numbering
- Empty spaces at the end of a line
This reduces memory usage when reading large response bodies because the underlying buffer
doesn't need to be re-allocated during the read of large response body in the buffer.
Also decompress response body under the processScrapedDataConcurrencyLimitCh .
This reduces CPU usage and RAM usage a bit when scraping thousands of targets.
This commit adds lib/chunkedbuffer.Buffer - an in-memory chunked buffer
optimized for random access via MustReadAt() function.
It is better than bytesutil.ByteBuffer for storing large volumes of data,
since it stores the data in chunks of a fixed size (4KiB at the moment)
instead of using a contiguous memory region. This has the following benefits over bytesutil.ByteBuffer:
- reduced memory fragmentation
- reduced memory re-allocations when new data is written to the buffer
- reduced memory usage, since the allocated chunks can be re-used
by other Buffer instances after Buffer.Reset() call
Performance tests show up to 2x memory reduction for VictoriaLogs
when ingesting logs with big number of fields (aka wide events) under high speed.