---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4680 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 139G 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 766 19532 4 11793 30858 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:58:ed:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84392sec preferred_lft 84392sec inet6 fe80::f816:3eff:fe58:ed34/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:1b:61:ab:78:e2 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::901b:61ff:feab:78e2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4680) 04/20/26 _x86_64_ (8 CPU) 00:23:21 LINUX RESTART (8 CPU) 00:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:10 7.00 0.06 6.55 0.38 2.13 2287.13 92.46 00:50:24 76.63 2.39 58.30 15.94 358.02 22475.70 483732.78 Average: 42.22 1.24 32.73 8.25 182.17 12500.24 244759.25 00:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:10 24798440 29250020 3058032 9.31 149184 4511188 3085740 9.10 867116 6703112 63280 00:50:24 20243324 31630684 644628 1.96 232096 11084708 1421676 4.19 3021284 8788316 312 Average: 22520882 30440352 1851330 5.63 190640 7797948 2253708 6.65 1944200 7745714 31796 00:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:10 lo 1.74 1.74 0.16 0.16 0.00 0.00 0.00 0.00 00:40:10 ens3 49.76 39.98 232.27 10.50 0.00 0.00 0.00 0.00 00:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:24 lo 207.91 207.91 203.58 203.58 0.00 0.00 0.00 0.00 00:50:24 ens3 84.61 73.65 423.85 416.67 0.00 0.00 0.00 0.00 00:50:24 docker0 33.65 30.64 404.48 151.11 0.00 0.00 0.00 0.00 00:50:24 veth0945684 28.24 23.96 404.53 3.49 0.00 0.00 0.00 0.03 Average: lo 106.04 106.04 103.07 103.07 0.00 0.00 0.00 0.00 Average: ens3 67.39 57.01 329.19 215.97 0.00 0.00 0.00 0.00 Average: docker0 17.02 15.50 204.62 76.44 0.00 0.00 0.00 0.00 Average: veth0945684 14.28 12.12 204.64 1.76 0.00 0.00 0.00 0.02 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4680) 04/20/26 _x86_64_ (8 CPU) 00:23:21 LINUX RESTART (8 CPU) 00:30:10 CPU %user %nice %system %iowait %steal %idle 00:40:10 all 35.15 0.00 1.40 0.02 0.08 63.35 00:40:10 0 36.29 0.00 1.25 0.01 0.09 62.36 00:40:10 1 33.65 0.00 1.31 0.02 0.08 64.94 00:40:10 2 35.82 0.00 1.57 0.02 0.08 62.52 00:40:10 3 36.67 0.00 1.48 0.02 0.08 61.74 00:40:10 4 31.22 0.00 1.40 0.08 0.08 67.22 00:40:10 5 36.13 0.00 1.44 0.01 0.08 62.33 00:40:10 6 38.30 0.00 1.28 0.01 0.08 60.33 00:40:10 7 33.09 0.00 1.45 0.01 0.08 65.37 00:50:24 all 15.23 0.00 1.39 0.32 0.05 83.01 00:50:24 0 12.02 0.00 0.96 0.23 0.04 86.75 00:50:24 1 14.89 0.00 1.08 0.23 0.06 83.75 00:50:24 2 22.44 0.00 2.12 0.20 0.07 75.17 00:50:24 3 17.10 0.00 1.57 0.37 0.05 80.91 00:50:24 4 13.42 0.00 1.53 0.35 0.05 84.65 00:50:24 5 16.56 0.00 1.37 0.21 0.06 81.80 00:50:24 6 10.83 0.00 1.15 0.73 0.05 87.25 00:50:24 7 14.61 0.00 1.33 0.26 0.05 83.75 Average: all 25.06 0.00 1.39 0.17 0.07 73.30 Average: 0 24.01 0.00 1.10 0.12 0.07 74.71 Average: 1 24.13 0.00 1.19 0.12 0.07 74.48 Average: 2 29.05 0.00 1.84 0.11 0.07 68.92 Average: 3 26.76 0.00 1.53 0.20 0.07 71.45 Average: 4 22.21 0.00 1.47 0.22 0.07 76.04 Average: 5 26.22 0.00 1.41 0.11 0.07 72.19 Average: 6 24.39 0.00 1.21 0.37 0.06 73.96 Average: 7 23.73 0.00 1.39 0.13 0.07 74.67