---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2928 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 24G 132G 15% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 1001 13691 4 17399 30621 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:22:a2:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.251/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84423sec preferred_lft 84423sec inet6 fe80::f816:3eff:fe22:a2bd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:ca:d4:5a:55:9d brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::bcca:d4ff:fe5a:559d/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-2928) 09/18/26 _x86_64_ (8 CPU) 08:41:18 LINUX RESTART (8 CPU) 08:50:38 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:38 13.42 0.23 12.06 1.13 3.29 2405.59 345.11 09:10:15 40.23 0.06 11.42 28.75 6.79 3403.12 508654.29 Average: 26.56 0.15 11.75 14.66 5.00 2894.41 249431.90 08:50:38 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:38 14426280 25545164 6685888 20.35 506120 10043876 9393788 27.70 2981088 14122532 1716 09:10:15 13292408 26307888 5918388 18.01 514672 11868972 5692596 16.79 3395856 14764024 1035508 Average: 13859344 25926526 6302138 19.18 510396 10956424 7543192 22.24 3188472 14443278 518612 08:50:38 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:38 lo 7.12 7.12 1.91 1.91 0.00 0.00 0.00 0.00 09:00:38 ens3 179.38 121.60 178.57 70.38 0.00 0.00 0.00 0.00 09:00:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:15 lo 1.11 1.11 0.12 0.12 0.00 0.00 0.00 0.00 09:10:15 ens3 114.65 76.72 136.71 396.72 0.00 0.00 0.00 0.00 09:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.17 4.17 1.03 1.03 0.00 0.00 0.00 0.00 Average: ens3 147.66 99.61 158.06 230.29 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-2928) 09/18/26 _x86_64_ (8 CPU) 08:41:18 LINUX RESTART (8 CPU) 08:50:38 CPU %user %nice %system %iowait %steal %idle 09:00:38 all 87.92 0.00 2.92 0.01 0.06 9.09 09:00:38 0 86.33 0.00 3.01 0.00 0.06 10.60 09:00:38 1 86.34 0.00 3.06 0.01 0.07 10.52 09:00:38 2 88.06 0.00 2.87 0.01 0.06 9.01 09:00:38 3 87.02 0.00 3.00 0.01 0.05 9.91 09:00:38 4 90.95 0.00 2.94 0.01 0.06 6.04 09:00:38 5 85.84 0.00 2.91 0.01 0.05 11.20 09:00:38 6 87.56 0.00 2.87 0.00 0.06 9.51 09:00:38 7 91.25 0.00 2.72 0.01 0.06 5.95 09:10:15 all 95.47 0.00 3.23 0.01 0.05 1.23 09:10:15 0 95.77 0.00 3.11 0.00 0.06 1.06 09:10:15 1 95.48 0.00 3.17 0.02 0.06 1.27 09:10:15 2 95.30 0.00 3.52 0.00 0.06 1.12 09:10:15 3 95.50 0.00 3.20 0.00 0.05 1.24 09:10:15 4 95.45 0.00 3.16 0.09 0.04 1.25 09:10:15 5 95.21 0.00 3.30 0.00 0.05 1.45 09:10:15 6 95.94 0.00 2.96 0.00 0.05 1.05 09:10:15 7 95.13 0.00 3.46 0.00 0.04 1.36 Average: all 91.62 0.00 3.08 0.01 0.05 5.24 Average: 0 90.96 0.00 3.06 0.00 0.06 5.93 Average: 1 90.82 0.00 3.11 0.01 0.06 5.99 Average: 2 91.61 0.00 3.19 0.00 0.06 5.14 Average: 3 91.18 0.00 3.10 0.01 0.05 5.66 Average: 4 93.16 0.00 3.05 0.05 0.05 3.69 Average: 5 90.43 0.00 3.10 0.00 0.05 6.42 Average: 6 91.67 0.00 2.91 0.00 0.06 5.36 Average: 7 93.16 0.00 3.08 0.01 0.05 3.70