Request response times are getting incredibly slow
Author: weinbrennerCreated Jul 23, 2026Updated Aug 13, 2026
Labelsbug
What happened?
After upgrading frankenphp to the latest version it seems to get slower with responding (>1min after request) a short period after restart. After restarting everything is fine and fast as always, then round about 8min later it suddenly is getting endlessly slow. CPU/Memory usage is low on that machine.
In the log I get messages like this, exactly when getting slow:
Jul 23 09:21:38 jwebspace-012 frankenphp[1579]: {"level":"warn","ts":1784798498.1942704,"logger":"frankenphp","msg":"write error","error":"http2: stream closed"}
Jul 23 09:21:42 jwebspace-012 frankenphp[1579]: {"level":"warn","ts":1784798502.0717013,"logger":"frankenphp","msg":"write error","error":"client disconnected"}
Jul 23 09:21:42 jwebspace-012 frankenphp[1579]: {"level":"warn","ts":1784798502.3194675,"logger":"frankenphp","msg":"write error","error":"http2: stream closed"}
Jul 23 09:21:43 jwebspace-012 frankenphp[1579]: {"level":"warn","ts":1784798503.399419,"logger":"frankenphp","msg":"write error","error":"http2: stream closed"}
Jul 23 09:21:43 jwebspace-012 frankenphp[1579]: {"level":"warn","ts":1784798503.573521,"logger":"frankenphp","msg":"write error","error":"client disconnected"}
Jul 23 09:21:43 jwebspace-012 frankenphp[1579]: {"level":"warn","ts":1784798503.82203,"logger":"frankenphp","msg":"write error","error":"client disconnected"}
Jul 23 09:21:44 jwebspace-012 frankenphp[1579]: {"level":"warn","ts":1784798504.1023757,"logger":"frankenphp","msg":"write error","error":"client disconnected"}
Jul 23 09:21:45 jwebspace-012 frankenphp[1579]: {"level":"warn","ts":1784798505.0567698,"logger":"frankenphp","msg":"write error","error":"client disconnected"}
Jul 23 09:21:45 jwebspace-012 frankenphp[1579]: {"level":"warn","ts":1784798505.6077228,"logger":"frankenphp","msg":"write error","error":"client disconnected"}
Jul 23 09:21:46 jwebspace-012 frankenphp[1579]: {"level":"warn","ts":1784798506.1088257,"logger":"frankenphp","msg":"write error","error":"client disconnected"}
Jul 23 09:21:46 jwebspace-012 frankenphp[1579]: {"level":"warn","ts":1784798506.8540208,"logger":"frankenphp","msg":"write error","error":"write tcp 178.105.234.201:443->4.223.226.192:44611: write: broken pipe"}
Jul 23 09:21:46 jwebspace-012 frankenphp[1579]: {"level":"warn","ts":1784798506.9313517,"logger":"frankenphp","msg":"write error","error":"client disconnected"}
Jul 23 09:21:47 jwebspace-012 frankenphp[1579]: {"level":"warn","ts":1784798507.7912858,"logger":"frankenphp","msg":"write error","error":"client disconnected"}System: Linux jwebspace-012 6.12.96+deb13-cloud-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.96-1 (2026-07-20) x86_64 GNU/Linux
FrankenPHP: v1.12.6 PHP 8.5 Caddy v2.11.4 h1:XKxkMTgNSizEvKG6QHue6cAsFOteU2qA61w2tKkCWi0=
Build Type
deb packages
Worker Mode
No
Operating System
GNU/Linux
CPU Architecture
x86_64
PHP configuration
phpinfo() outputPHP logo
PHP Version 8.5.8
System Linux jwebspace-012 6.12.96+deb13-cloud-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.96-1 (2026-07-20) x86_64
Build Date Jul 10 2026 02:47:49
Build System Linux b61d2c3e41e8 6.17.0-1018-azure #18~24.04.1-Ubuntu SMP Thu May 28 16:39:11 UTC 2026 x86_64 GNU/Linux
Build Provider Static PHP <https://static-php.dev> #StandWithUkraine
Compiler gcc 10.2.1
Architecture x86_64
Server API FrankenPHP
Virtual Directory Support enabled
Configuration File (php.ini) Path /etc/php-zts
Loaded Configuration File /etc/php-zts/php.ini
Scan this dir for additional .ini files /etc/php-zts/conf.d
Additional .ini files parsed /etc/php-zts/conf.d/20-apcu.ini, /etc/php-zts/conf.d/20-bcmath.ini, /etc/php-zts/conf.d/20-bz2.ini, /etc/php-zts/conf.d/20-ftp.ini, /etc/php-zts/conf.d/20-gd.ini, /etc/php-zts/conf.d/20-gettext.ini, /etc/php-zts/conf.d/20-imagick.ini, /etc/php-zts/conf.d/20-intl.ini, /etc/php-zts/conf.d/20-msgpack.ini, /etc/php-zts/conf.d/20-mysqlnd.ini, /etc/php-zts/conf.d/20-pdo.ini, /etc/php-zts/conf.d/20-shmop.ini, /etc/php-zts/conf.d/20-sqlite3.ini, /etc/php-zts/conf.d/20-xsl.ini, /etc/php-zts/conf.d/20-zip.ini, /etc/php-zts/conf.d/30-igbinary.ini, /etc/php-zts/conf.d/30-mysqli.ini, /etc/php-zts/conf.d/30-pdo_mysql.ini, /etc/php-zts/conf.d/calendar.ini, /etc/php-zts/conf.d/ctype.ini, /etc/php-zts/conf.d/curl.ini, /etc/php-zts/conf.d/dom.ini, /etc/php-zts/conf.d/exif.ini, /etc/php-zts/conf.d/fileinfo.ini, /etc/php-zts/conf.d/filter.ini, /etc/php-zts/conf.d/iconv.ini, /etc/php-zts/conf.d/libxml.ini, /etc/php-zts/conf.d/mbstring.ini, /etc/php-zts/conf.d/opcache.ini, /etc/php-zts/conf.d/openssl.ini, /etc/php-zts/conf.d/pcntl.ini, /etc/php-zts/conf.d/phar.ini, /etc/php-zts/conf.d/posix.ini, /etc/php-zts/conf.d/readline.ini, /etc/php-zts/conf.d/session.ini, /etc/php-zts/conf.d/simplexml.ini, /etc/php-zts/conf.d/sockets.ini, /etc/php-zts/conf.d/sodium.ini, /etc/php-zts/conf.d/tokenizer.ini, /etc/php-zts/conf.d/xml.ini, /etc/php-zts/conf.d/xmlreader.ini, /etc/php-zts/conf.d/xmlwriter.ini, /etc/php-zts/conf.d/zlib.ini
PHP API 20250925
PHP Extension 20250925
Zend Extension 420250925
Zend Extension Build API420250925,TS
PHP Extension Build API20250925,TS
PHP Integer Size 64 bits
Debug Build no
Thread Safety enabled
Thread API POSIX Threads
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Zend Multibyte Support provided by mbstring
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Registered PHP Streams compress.zlib, php, file, glob, data, http, ftp, compress.bzip2, https, ftps, phar, zip
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Zend Engine v4.5.8, Copyright (c) Zend Technologies with Zend OPcache v8.5.8, Copyright (c), by Zend Technologies
Configuration
apcu
APCu Support Enabled
Version 5.1.28
APCu Debugging Disabled
MMAP Support Enabled
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Serialization Support php, msgpack, igbinary
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Host Linux
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date/time support enabled
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Timezone Database internal
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Directive Local Value Master Value
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dom
DOM/XML enabled
DOM/XML API Version 20031129
libxml Version 2.15.3
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XPointer Support enabled
Schema Support enabled
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exif
EXIF Support enabled
Supported EXIF Version 0220
Supported filetypes JPEG, TIFF
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Directive Local Value Master Value
exif.decode_jis_intel JIS JIS
exif.decode_jis_motorola JIS JIS
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fileinfo
fileinfo support enabled
libmagic 5.46
filter
Input Validation and Filtering enabled
Directive Local Value Master Value
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frankenphp
Version 1.12.6
ftp
FTP support enabled
FTPS support disabled
gd
GD Support enabled
GD Version bundled (2.1.0 compatible)
FreeType Support enabled
FreeType Linkage with freetype
FreeType Version 2.14.3
GIF Read Support enabled
GIF Create Support enabled
JPEG Support enabled
libJPEG Version 6b
PNG Support enabled
libPNG Version 1.6.58
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BMP Support enabled
TGA Read Support enabled
Directive Local Value Master Value
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gettext
GetText Support enabled
hash
hash support enabled
Hashing Engines md2 md4 md5 sha1 sha224 sha256 sha384 sha512/224 sha512/256 sha512 sha3-224 sha3-256 sha3-384 sha3-512 ripemd128 ripemd160 ripemd256 ripemd320 whirlpool tiger128,3 tiger160,3 tiger192,3 tiger128,4 tiger160,4 tiger192,4 snefru snefru256 gost gost-crypto adler32 crc32 crc32b crc32c fnv132 fnv1a32 fnv164 fnv1a64 joaat murmur3a murmur3c murmur3f xxh32 xxh64 xxh3 xxh128 haval128,3 haval160,3 haval192,3 haval224,3 haval256,3 haval128,4 haval160,4 haval192,4 haval224,4 haval256,4 haval128,5 haval160,5 haval192,5 haval224,5 haval256,5
iconv
iconv support enabled
iconv implementation glibc
iconv library version 1.19
Directive Local Value Master Value
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igbinary
igbinary support enabled
igbinary version 3.2.17RC1
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Directive Local Value Master Value
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imagick
imagick module enabled
imagick module version 3.8.1
imagick classes Imagick, ImagickDraw, ImagickPixel, ImagickPixelIterator, ImagickKernel
Imagick compiled with ImageMagick version ImageMagick 7.1.2-27 Q16-HDRI x86_64 e4c2b403b:20260705 https://imagemagick.org
Imagick using ImageMagick library version ImageMagick 7.1.2-27 Q16-HDRI x86_64 e4c2b403b:20260705 https://imagemagick.org
ImageMagick copyright (C) 1999 ImageMagick Studio LLC
ImageMagick release date 2026-07-05
ImageMagick number of supported formats: 266
ImageMagick supported formats 3FR, 3G2, 3GP, A, AAI, AI, APNG, ART, ARW, ASHLAR, AVCI, AVI, AVIF, AVS, B, BAYER, BAYERA, BGR, BGRA, BGRO, BMP, BMP2, BMP3, BRF, C, CAL, CALS, CANVAS, CAPTION, CIN, CIP, CLIP, CMYK, CMYKA, CR2, CR3, CRW, CUBE, CUR, CUT, DATA, DCM, DCR, DCRAW, DCX, DDS, DFONT, DNG, DPX, DXT1, DXT5, EPDF, EPI, EPS, EPS2, EPS3, EPSF, EPSI, EPT, EPT2, EPT3, ERF, FARBFELD, FAX, FF, FFF, FILE, FITS, FL32, FLV, FRACTAL, FTP, FTS, FTXT, G, G3, G4, GIF, GIF87, GRADIENT, GRAY, GRAYA, GROUP4, HALD, HDR, HEIC, HEIF, HISTOGRAM, HRZ, HTM, HTML, HTTP, HTTPS, ICB, ICN, ICO, ICON, IIQ, INFO, INLINE, IPL, ISOBRL, ISOBRL6, JNG, JNX, JPE, JPEG, JPG, JPS, JSON, JXL, K, K25, KDC, LABEL, M, M2V, M4V, MAC, MAP, MASK, MAT, MATTE, MDC, MEF, MIFF, MKV, MNG, MONO, MOS, MOV, MP4, MPC, MPEG, MPG, MPO, MRW, MSL, MSVG, MTV, MVG, NEF, NRW, NULL, O, ORA, ORF, OTB, OTF, PAL, PALM, PAM, PANGO, PATTERN, PBM, PCD, PCDS, PCL, PCT, PCX, PDB, PDF, PDFA, PEF, PES, PFA, PFB, PFM, PGM, PGX, PHM, PICON, PICT, PIX, PJPEG, PLASMA, PNG, PNG00, PNG24, PNG32, PNG48, PNG64, PNG8, PNM, POCKETMOD, PPM, PS, PS2, PS3, PSB, PSD, PTIF, PWP, QOI, R, RADIAL-GRADIENT, RAF, RAS, RAW, RGB, RGB565, RGBA, RGBO, RGF, RLA, RLE, RMF, RW2, RWL, SCR, SCREENSHOT, SCT, SF3, SFW, SGI, SHTML, SIX, SIXEL, SPARSE-COLOR, SR2, SRF, SRW, STEGANO, STI, STRIMG, SUN, SVG, SVGZ, TEXT, TGA, THUMBNAIL, TIFF, TIFF64, TILE, TIM, TM2, TTC, TTF, TXT, UBRL, UBRL6, UIL, UYVY, VDA, VICAR, VID, VIFF, VIPS, VST, WBMP, WEBM, WEBP, WMV, WPG, X3F, XBM, XC, XCF, XPM, XPS, XV, Y, YAML, YCBCR, YCBCRA, YUV
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ICU version 77.1
ICU Data version 77.1
ICU TZData version 2025a
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Directive Local Value Master Value
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json
json support enabled
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Lexbor version 2.7.0
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mbstring
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libmbfl version 1.3.2
mbstring extension makes use of "streamable kanji code filter and converter", which is distributed under the GNU Lesser General Public License version 2.1.
Multibyte (japanese) regex support enabled
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Directive Local Value Master Value
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mbstring.regex_retry_limit 1000000 1000000
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Session Support enabled
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Directive Local Value Master Value
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mysqli
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Client API library version mysqlnd 8.5.8
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Version mysqlnd 8.5.8
Compression supported
core SSL supported
extended SSL supported
Command buffer size 4096
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Loaded plugins mysqlnd,debug_trace,auth_plugin_mysql_native_password,auth_plugin_mysql_clear_password,auth_plugin_caching_sha2_password,auth_plugin_sha256_password
API Extensions mysqli,pdo_mysql
openssl
OpenSSL support enabled
OpenSSL Library Version OpenSSL 3.6.3 9 Jun 2026
OpenSSL Header Version OpenSSL 3.6.3 9 Jun 2026
Openssl default config /etc/ssl/openssl.cnf
Directive Local Value Master Value
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Directive Local Value Master Value
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PDO drivers mysql
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Client API version mysqlnd 8.5.8
Directive Local Value Master Value
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Phar: PHP Archive support enabled
Phar API version 1.1.1
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Tar-based phar archives enabled
ZIP-based phar archives enabled
gzip compression enabled
bzip2 compression enabled
OpenSSL support enabled
Phar based on pear/PHP_Archive, original concept by Davey Shafik.
Phar fully realized by Gregory Beaver and Marcus Boerger.
Portions of tar implementation Copyright (c) 2003-2009 Tim Kientzle.
Directive Local Value Master Value
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phar.require_hash On On
posix
POSIX support enabled
random
Version 8.5.8
readline
Readline Support enaSource: php/frankenphp