openPDF performance decrease 40%, compared version 1.3.29 and 1.3.43

[missFuture]

PLEASE FILL THIS TEMPLATE AS MUCH AS POSSIBLE. REMOVE IRRELEVANT PARTS.

Describe the bug

After the OpenPDF version is upgraded from 1.3.29 to 1.3.43, the efficiency of writing files decreases significantly. The minimum time increases from 350 ms to 600 ms, and the maximum time increases from 600 ms to 950 ms. We tested 50,000 data records, and the time increases from 42 seconds to 70 seconds.
We also tested version 1.3.36 and did not have this problem. We suspect that version changes between 1.3.36 and 1.3.43 are affecting the performance of openPDF.

To Reproduce

Code to reproduce the issue

1. Sample Code
2. Unit-Test
   we use arthas monitor writing process

Expected behavior

same performance

Screenshots

If applicable, add screenshots to help explain your problem.

System

(please complete the following information)

• OS: [e.g. iOS]
• Linux szvphis6070115 4.18.0-147.5.2.15.h1109.eulerosv2r10.x86_64 change group ID in pom.xml #1 SMP Thu Dec 8 04:08:54 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
• Used font:
• OpenPDF version:1.3.43, 1.3.36(no problem),1.3.29（no problem）

Your real name

lixulong, my email is [email protected]

Additional context

we download jar from https://repo1.maven.org/maven2/com/github/librepdf/openpdf/1.3.43/
https://repo1.maven.org/maven2/com/github/librepdf/openpdf/1.3.29/
https://repo1.maven.org/maven2/com/github/librepdf/openpdf/1.3.36/

[andreasrosdal]

Can you please help find out which specific version of OpenPDF that this problem began, specifically which version between 1.3.36 and 1.3.43 that it began.

Thank you for reporting.