---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-19029 5.15.0-170-generic #180-Ubuntu SMP Fri Jan 9 16:10:31 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: 5600.00 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 28G 128G 18% / 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 863 9112 4 22115 30760 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:cd:53:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.245/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84100sec preferred_lft 84100sec inet6 fe80::f816:3eff:fecd:53d3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:b3:65:1a:6d:d2 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::80b3:65ff:fe1a:6dd2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-19029) 02/21/26 _x86_64_ (8 CPU) 18:16:24 LINUX RESTART (8 CPU) 18:20:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:30:04 436.14 1.14 427.16 7.85 456.24 53374.31 68423.84 18:40:30 151.81 0.33 145.03 6.44 4.42 17966.13 28322.32 18:50:20 4.42 0.00 4.31 0.11 0.00 505.09 1063.26 Average: 196.83 0.49 191.51 4.84 150.87 23863.86 32562.25 18:20:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:30:04 11900796 28429132 3800268 11.56 421804 15566152 3965644 11.69 4378664 15241308 651872 18:40:30 8216132 28090840 4293384 13.06 564876 18272660 4695672 13.85 5633616 17315228 12 18:50:20 7895988 28002820 4494448 13.68 573032 18350300 4940096 14.57 5666012 17567844 168 Average: 9337639 28174264 4196033 12.77 519904 17396371 4533804 13.37 5226097 16708127 217351 18:20:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:30:04 lo 0.43 0.43 0.07 0.07 0.00 0.00 0.00 0.00 18:30:04 ens3 185.14 111.12 2058.64 22.53 0.00 0.00 0.00 0.00 18:30:04 docker0 20.55 36.83 1.20 736.94 0.00 0.00 0.00 0.00 18:40:30 lo 0.24 0.24 0.03 0.03 0.00 0.00 0.00 0.00 18:40:30 ens3 85.06 53.34 1017.33 12.69 0.00 0.00 0.00 0.00 18:40:30 docker0 12.90 21.06 0.80 299.13 0.00 0.00 0.00 0.00 18:40:30 veth10ac6db 2.75 7.14 0.28 137.27 0.00 0.00 0.00 0.01 18:50:20 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:50:20 ens3 14.34 9.57 31.80 2.84 0.00 0.00 0.00 0.00 18:50:20 docker0 9.17 13.04 2.01 31.47 0.00 0.00 0.00 0.00 18:50:20 veth10ac6db 9.17 13.04 2.14 31.47 0.00 0.00 0.00 0.00 Average: lo 0.26 0.26 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 94.77 57.98 1036.90 12.70 0.00 0.00 0.00 0.00 Average: docker0 14.19 23.61 1.33 355.18 0.00 0.00 0.00 0.00 Average: veth10ac6db 3.94 6.72 0.79 57.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-19029) 02/21/26 _x86_64_ (8 CPU) 18:16:24 LINUX RESTART (8 CPU) 18:20:12 CPU %user %nice %system %iowait %steal %idle 18:30:04 all 16.28 0.00 3.38 2.53 0.06 77.75 18:30:04 0 13.63 0.00 2.77 1.84 0.06 81.71 18:30:04 1 19.17 0.00 3.42 1.63 0.07 75.71 18:30:04 2 13.60 0.00 3.86 3.78 0.07 78.69 18:30:04 3 17.27 0.00 3.48 2.71 0.07 76.47 18:30:04 4 14.31 0.00 2.93 2.67 0.07 80.02 18:30:04 5 17.40 0.00 3.83 2.71 0.06 76.00 18:30:04 6 17.45 0.00 3.66 2.77 0.06 76.06 18:30:04 7 17.42 0.00 3.08 2.12 0.06 77.32 18:40:30 all 16.62 0.00 1.38 0.76 0.04 81.21 18:40:30 0 6.78 0.00 1.48 1.29 0.05 90.40 18:40:30 1 9.20 0.00 1.33 1.00 0.04 88.44 18:40:30 2 13.85 0.00 1.33 0.70 0.04 84.07 18:40:30 3 8.67 0.00 1.33 0.90 0.04 89.05 18:40:30 4 25.13 0.00 1.39 0.56 0.05 72.88 18:40:30 5 45.67 0.00 1.51 0.89 0.07 51.87 18:40:30 6 11.13 0.00 1.29 0.40 0.03 87.15 18:40:30 7 12.50 0.00 1.36 0.33 0.04 85.77 18:50:20 all 11.94 0.00 0.26 0.03 0.03 87.75 18:50:20 0 0.61 0.00 0.09 0.01 0.04 99.24 18:50:20 1 19.18 0.00 0.32 0.00 0.02 80.48 18:50:20 2 11.32 0.00 0.15 0.02 0.03 88.48 18:50:20 3 0.65 0.00 0.13 0.16 0.02 99.04 18:50:20 4 7.34 0.00 0.30 0.01 0.01 92.34 18:50:20 5 51.94 0.00 0.46 0.01 0.04 47.54 18:50:20 6 0.44 0.00 0.11 0.02 0.01 99.42 18:50:20 7 4.00 0.00 0.50 0.03 0.02 95.44 Average: all 14.98 0.00 1.66 1.10 0.04 82.22 Average: 0 7.00 0.00 1.45 1.05 0.05 90.45 Average: 1 15.72 0.00 1.68 0.88 0.04 81.68 Average: 2 12.94 0.00 1.77 1.48 0.05 83.76 Average: 3 8.86 0.00 1.64 1.25 0.04 88.21 Average: 4 15.79 0.00 1.54 1.07 0.04 81.57 Average: 5 38.51 0.00 1.92 1.19 0.06 58.31 Average: 6 9.69 0.00 1.68 1.05 0.03 87.55 Average: 7 11.33 0.00 1.64 0.82 0.04 86.17