---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-19558 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: 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 735 20826 4 10529 30888 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:a0:a6:1f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.165/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85092sec preferred_lft 85092sec inet6 fe80::f816:3eff:fea0:a61f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:28:f0:ca:18:2a 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::9428:f0ff:feca:182a/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-19558) 02/23/26 _x86_64_ (8 CPU) 15:00:51 LINUX RESTART (8 CPU) 15:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:09 191.13 5.21 178.78 7.14 636.68 30063.41 37285.10 Average: 191.13 5.21 178.78 7.14 636.68 30063.41 37285.10 15:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:09 18669260 29224816 3008080 9.15 231940 10301176 9525396 28.09 1608432 11729940 492 Average: 18669260 29224816 3008080 9.15 231940 10301176 9525396 28.09 1608432 11729940 492 15:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:09 lo 1.50 1.50 0.14 0.14 0.00 0.00 0.00 0.00 15:20:09 ens3 195.72 120.41 3778.99 13.46 0.00 0.00 0.00 0.00 15:20:09 docker0 3.61 5.34 0.35 136.40 0.00 0.00 0.00 0.00 15:20:09 br-1ab55c9c91a8 1.31 1.64 0.09 36.92 0.00 0.00 0.00 0.00 15:20:09 veth6f3fec4 0.50 0.71 0.08 0.09 0.00 0.00 0.00 0.00 15:20:09 veth42ab75a 24.73 26.99 5.20 3.81 0.00 0.00 0.00 0.00 15:20:09 vethb54b9c0 0.11 0.20 0.01 0.22 0.00 0.00 0.00 0.00 15:20:09 vetha1a3e8e 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 15:20:09 veth86503ec 3.63 2.80 0.35 0.40 0.00 0.00 0.00 0.00 15:20:09 veth1d97fbf 1.21 1.68 0.10 36.92 0.00 0.00 0.00 0.00 15:20:09 vethd42b8d4 19.22 19.20 2.89 4.45 0.00 0.00 0.00 0.00 15:20:09 vethf07c3cc 2.00 2.55 0.40 0.26 0.00 0.00 0.00 0.00 15:20:09 veth9cb42ca 0.84 1.19 0.13 0.10 0.00 0.00 0.00 0.00 15:20:09 veth6e7882e 0.07 0.07 0.15 0.08 0.00 0.00 0.00 0.00 Average: lo 1.50 1.50 0.14 0.14 0.00 0.00 0.00 0.00 Average: ens3 195.72 120.41 3778.99 13.46 0.00 0.00 0.00 0.00 Average: docker0 3.61 5.34 0.35 136.40 0.00 0.00 0.00 0.00 Average: br-1ab55c9c91a8 1.31 1.64 0.09 36.92 0.00 0.00 0.00 0.00 Average: veth6f3fec4 0.50 0.71 0.08 0.09 0.00 0.00 0.00 0.00 Average: veth42ab75a 24.73 26.99 5.20 3.81 0.00 0.00 0.00 0.00 Average: vethb54b9c0 0.11 0.20 0.01 0.22 0.00 0.00 0.00 0.00 Average: vetha1a3e8e 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth86503ec 3.63 2.80 0.35 0.40 0.00 0.00 0.00 0.00 Average: veth1d97fbf 1.21 1.68 0.10 36.92 0.00 0.00 0.00 0.00 Average: vethd42b8d4 19.22 19.20 2.89 4.45 0.00 0.00 0.00 0.00 Average: vethf07c3cc 2.00 2.55 0.40 0.26 0.00 0.00 0.00 0.00 Average: veth9cb42ca 0.84 1.19 0.13 0.10 0.00 0.00 0.00 0.00 Average: veth6e7882e 0.07 0.07 0.15 0.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-19558) 02/23/26 _x86_64_ (8 CPU) 15:00:51 LINUX RESTART (8 CPU) 15:10:01 CPU %user %nice %system %iowait %steal %idle 15:20:09 all 6.80 0.00 1.73 0.57 0.04 90.86 15:20:09 0 5.45 0.00 1.78 0.63 0.04 92.10 15:20:09 1 8.19 0.00 1.81 0.46 0.05 89.50 15:20:09 2 6.04 0.00 1.69 0.37 0.04 91.87 15:20:09 3 5.97 0.00 1.81 1.00 0.04 91.18 15:20:09 4 8.58 0.00 1.78 0.52 0.03 89.09 15:20:09 5 8.32 0.00 1.79 0.49 0.03 89.37 15:20:09 6 5.53 0.00 1.69 0.71 0.03 92.04 15:20:09 7 6.30 0.00 1.51 0.42 0.04 91.72 Average: all 6.80 0.00 1.73 0.57 0.04 90.86 Average: 0 5.45 0.00 1.78 0.63 0.04 92.10 Average: 1 8.19 0.00 1.81 0.46 0.05 89.50 Average: 2 6.04 0.00 1.69 0.37 0.04 91.87 Average: 3 5.97 0.00 1.81 1.00 0.04 91.18 Average: 4 8.58 0.00 1.78 0.52 0.03 89.09 Average: 5 8.32 0.00 1.79 0.49 0.03 89.37 Average: 6 5.53 0.00 1.69 0.71 0.03 92.04 Average: 7 6.30 0.00 1.51 0.42 0.04 91.72