---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4282 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: 5599.94 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 25G 131G 16% / 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 1002 12434 4 18655 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:21:a4:ac brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.50/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84459sec preferred_lft 84459sec inet6 fe80::f816:3eff:fe21:a4ac/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:e2:82:46:ee:d6 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::68e2:82ff:fe46:eed6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4282) 04/07/26 _x86_64_ (8 CPU) 05:25:36 LINUX RESTART (8 CPU) 05:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:03 319.49 0.40 307.78 11.31 31.48 50457.01 83014.80 05:50:03 11.02 0.32 10.40 0.29 7.11 379.79 4009.49 Average: 165.48 0.36 159.31 5.81 19.31 25455.28 43570.33 05:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:03 1733640 20939164 11216168 34.13 590276 17748776 17163144 50.61 4668960 22795936 436 05:50:03 317036 19594172 12559156 38.22 592044 17812960 18204416 53.68 4729284 24123232 2396 Average: 1025338 20266668 11887662 36.17 591160 17780868 17683780 52.15 4699122 23459584 1416 05:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:03 lo 0.70 0.70 0.09 0.09 0.00 0.00 0.00 0.00 05:40:03 ens3 386.45 231.63 2574.59 80.82 0.00 0.00 0.00 0.00 05:40:03 docker0 20.56 36.05 1.20 682.72 0.00 0.00 0.00 0.00 05:40:03 br-b3e775b8dd91 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 05:40:03 veth0a22c2f 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 05:40:03 veth5513d9f 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 05:40:03 vethc90f839 0.18 0.23 0.02 0.01 0.00 0.00 0.00 0.00 05:40:03 veth682b544 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 05:40:03 veth1b79c83 7.14 6.75 4.62 1.33 0.00 0.00 0.00 0.00 05:40:03 vetheb1d0bf 1.24 1.25 0.14 0.96 0.00 0.00 0.00 0.00 05:40:03 veth10cae62 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 05:40:03 veth73b84ed 0.65 0.57 0.08 0.71 0.00 0.00 0.00 0.00 05:50:03 lo 4.96 4.96 19.75 19.75 0.00 0.00 0.00 0.00 05:50:03 ens3 12.26 6.85 4.23 3.63 0.00 0.00 0.00 0.00 05:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:03 br-b3e775b8dd91 2.64 2.56 19.14 0.66 0.00 0.00 0.00 0.00 05:50:03 veth0a22c2f 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 05:50:03 veth5513d9f 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 05:50:03 vethc90f839 0.49 0.30 0.07 0.42 0.00 0.00 0.00 0.00 05:50:03 veth682b544 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 05:50:03 veth1b79c83 229.42 246.35 165.43 115.68 0.00 0.00 0.00 0.01 05:50:03 vetheb1d0bf 120.64 112.52 89.39 60.73 0.00 0.00 0.00 0.01 05:50:03 veth73b84ed 132.64 123.24 61.01 108.37 0.00 0.00 0.00 0.01 Average: lo 2.83 2.83 9.91 9.91 0.00 0.00 0.00 0.00 Average: ens3 199.63 119.41 1291.30 42.29 0.00 0.00 0.00 0.00 Average: docker0 10.30 18.05 0.60 341.86 0.00 0.00 0.00 0.00 Average: br-b3e775b8dd91 1.46 1.41 9.56 0.34 0.00 0.00 0.00 0.00 Average: veth0a22c2f 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth5513d9f 0.13 0.16 0.01 0.05 0.00 0.00 0.00 0.00 Average: vethc90f839 0.33 0.26 0.05 0.21 0.00 0.00 0.00 0.00 Average: veth682b544 0.02 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth1b79c83 118.11 126.37 84.91 58.42 0.00 0.00 0.00 0.01 Average: vetheb1d0bf 60.85 56.80 44.70 30.80 0.00 0.00 0.00 0.00 Average: veth73b84ed 66.55 61.81 30.50 54.46 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4282) 04/07/26 _x86_64_ (8 CPU) 05:25:36 LINUX RESTART (8 CPU) 05:30:01 CPU %user %nice %system %iowait %steal %idle 05:40:03 all 31.19 0.02 3.87 0.88 0.08 63.95 05:40:03 0 28.96 0.03 4.02 0.93 0.07 65.99 05:40:03 1 28.05 0.02 3.92 0.97 0.07 66.97 05:40:03 2 35.43 0.02 4.22 0.95 0.08 59.30 05:40:03 3 30.70 0.01 3.95 0.69 0.08 64.58 05:40:03 4 31.28 0.02 3.63 0.99 0.08 64.01 05:40:03 5 33.81 0.04 3.62 0.74 0.08 61.72 05:40:03 6 30.78 0.02 3.96 0.86 0.08 64.30 05:40:03 7 30.55 0.03 3.67 0.94 0.07 64.75 05:50:03 all 8.56 0.00 1.14 0.03 0.07 90.20 05:50:03 0 7.18 0.00 1.15 0.02 0.07 91.57 05:50:03 1 9.32 0.00 1.34 0.04 0.07 89.23 05:50:03 2 9.50 0.00 1.19 0.05 0.07 89.19 05:50:03 3 8.26 0.00 1.09 0.02 0.08 90.56 05:50:03 4 7.90 0.00 1.05 0.02 0.07 90.96 05:50:03 5 9.61 0.00 1.24 0.01 0.07 89.08 05:50:03 6 8.33 0.00 1.05 0.01 0.07 90.54 05:50:03 7 8.34 0.00 1.04 0.09 0.06 90.47 Average: all 19.91 0.01 2.51 0.46 0.07 77.04 Average: 0 18.10 0.01 2.59 0.48 0.07 78.75 Average: 1 18.72 0.01 2.63 0.51 0.07 78.06 Average: 2 22.49 0.01 2.71 0.50 0.07 74.22 Average: 3 19.52 0.01 2.52 0.35 0.08 77.52 Average: 4 19.62 0.01 2.34 0.51 0.07 77.45 Average: 5 21.74 0.02 2.43 0.38 0.07 75.36 Average: 6 19.59 0.01 2.51 0.44 0.07 77.38 Average: 7 19.46 0.01 2.36 0.51 0.07 77.59