---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-53932 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 nrip_save 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 17G 138G 11% / 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 741 19462 4 11888 30882 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:d2:f8:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.200/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84519sec preferred_lft 84519sec inet6 fe80::f816:3eff:fed2:f8f2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:72:45:2d:bf:6f 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::c472:45ff:fe2d:bf6f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-53932) 03/29/26 _x86_64_ (8 CPU) 00:36:29 LINUX RESTART (8 CPU) 00:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:18 11.39 0.25 10.59 0.55 8.75 5060.73 581.89 01:00:00 55.75 2.26 52.36 1.12 344.60 23826.07 4226.47 Average: 33.09 1.23 31.02 0.83 173.03 14239.68 2364.62 00:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:18 24335876 28563736 3745108 11.40 144044 4305348 3768836 11.11 814124 7261112 112 01:00:00 20306380 31655620 619984 1.89 224888 11060784 1400072 4.13 2997348 8749504 9320 Average: 22321128 30109678 2182546 6.64 184466 7683066 2584454 7.62 1905736 8005308 4716 00:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:18 lo 5.55 5.55 0.54 0.54 0.00 0.00 0.00 0.00 00:50:18 ens3 52.75 42.31 228.80 12.05 0.00 0.00 0.00 0.00 00:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:00 lo 4722.25 4722.25 4511.56 4511.56 0.00 0.00 0.00 0.00 01:00:00 ens3 74.59 55.48 628.59 14.03 0.00 0.00 0.00 0.00 01:00:00 docker0 5.36 6.77 0.34 155.72 0.00 0.00 0.00 0.00 Average: lo 2312.70 2312.70 2207.08 2207.08 0.00 0.00 0.00 0.00 Average: ens3 63.43 48.75 424.36 13.02 0.00 0.00 0.00 0.00 Average: docker0 2.62 3.31 0.16 76.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-53932) 03/29/26 _x86_64_ (8 CPU) 00:36:29 LINUX RESTART (8 CPU) 00:40:10 CPU %user %nice %system %iowait %steal %idle 00:50:18 all 38.20 0.00 1.26 0.08 0.07 60.39 00:50:18 0 35.44 0.00 1.20 0.29 0.07 62.99 00:50:18 1 50.46 0.00 1.58 0.02 0.08 47.86 00:50:18 2 37.77 0.00 1.13 0.02 0.07 61.01 00:50:18 3 37.49 0.00 1.21 0.04 0.07 61.18 00:50:18 4 35.33 0.00 1.23 0.12 0.07 63.25 00:50:18 5 37.40 0.00 1.28 0.03 0.08 61.21 00:50:18 6 35.72 0.00 1.23 0.06 0.07 62.93 00:50:18 7 36.00 0.00 1.18 0.05 0.07 62.71 01:00:00 all 20.03 0.00 2.17 0.71 0.06 77.03 01:00:00 0 16.30 0.00 1.14 0.79 0.07 81.70 01:00:00 1 25.21 0.00 3.22 0.30 0.07 71.21 01:00:00 2 22.16 0.00 1.94 1.50 0.06 74.34 01:00:00 3 14.75 0.00 1.69 0.40 0.07 83.10 01:00:00 4 17.30 0.00 1.46 0.72 0.05 80.46 01:00:00 5 15.69 0.00 0.90 0.17 0.05 83.19 01:00:00 6 28.18 0.00 4.25 0.98 0.06 66.53 01:00:00 7 20.82 0.00 2.76 0.80 0.06 75.55 Average: all 29.33 0.00 1.70 0.39 0.07 68.52 Average: 0 26.07 0.00 1.17 0.54 0.07 72.15 Average: 1 38.15 0.00 2.38 0.16 0.07 59.25 Average: 2 30.14 0.00 1.52 0.74 0.07 67.52 Average: 3 26.37 0.00 1.45 0.22 0.07 71.90 Average: 4 26.52 0.00 1.34 0.41 0.06 71.66 Average: 5 26.78 0.00 1.10 0.10 0.06 71.96 Average: 6 32.05 0.00 2.70 0.50 0.07 64.68 Average: 7 28.60 0.00 1.95 0.42 0.07 68.97