---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3907 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 26G 130G 17% / 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 868 11741 4 19482 30755 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:82:a7:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.196/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84524sec preferred_lft 84524sec inet6 fe80::f816:3eff:fe82:a7c6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:db:b2:13:73:f4 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::58db:b2ff:fe13:73f4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-3907) 09/21/26 _x86_64_ (8 CPU) 13:22:53 LINUX RESTART (8 CPU) 13:30:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:00 183.02 0.34 174.90 7.78 16.73 40984.98 53454.83 13:50:01 11.49 0.17 11.08 0.24 5.72 476.58 5658.43 Average: 95.93 0.25 91.73 3.95 11.14 20417.68 29187.19 13:30:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:00 1022352 21446324 10702520 32.57 588860 18942120 17064076 50.32 4912240 23264072 848 13:50:01 245776 20391128 11756384 35.77 572676 18678792 17964540 52.98 4909272 24004640 1996 Average: 634064 20918726 11229452 34.17 580768 18810456 17514308 51.65 4910756 23634356 1422 13:30:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:00 lo 0.54 0.54 0.04 0.04 0.00 0.00 0.00 0.00 13:40:00 ens3 138.62 82.62 2134.48 21.49 0.00 0.00 0.00 0.00 13:40:00 docker0 16.27 35.09 0.94 618.60 0.00 0.00 0.00 0.00 13:40:00 br-25c65568e01b 0.30 0.27 0.01 0.02 0.00 0.00 0.00 0.00 13:40:00 veth5923178 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 13:40:00 veth53d409f 45.35 47.68 16.76 20.44 0.00 0.00 0.00 0.00 13:40:00 veth14e5cee 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 13:40:00 veth8f0dadb 0.42 0.40 0.05 0.21 0.00 0.00 0.00 0.00 13:40:00 veth12fa6b9 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 13:40:00 veth0efa3b7 42.83 40.29 27.28 13.25 0.00 0.00 0.00 0.00 13:40:00 veth2f57a9f 0.62 1.09 0.75 7.87 0.00 0.00 0.00 0.00 13:40:00 veth44fd90f 1.72 1.38 0.23 1.42 0.00 0.00 0.00 0.00 13:50:01 lo 8.57 8.57 38.26 38.26 0.00 0.00 0.00 0.00 13:50:01 ens3 14.13 12.11 6.06 6.05 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 br-25c65568e01b 4.71 4.43 37.32 1.02 0.00 0.00 0.00 0.00 13:50:01 veth5923178 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 13:50:01 veth53d409f 318.33 343.61 254.80 157.56 0.00 0.00 0.00 0.02 13:50:01 veth14e5cee 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 veth8f0dadb 0.40 0.21 0.07 0.35 0.00 0.00 0.00 0.00 13:50:01 veth12fa6b9 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 veth0efa3b7 121.90 112.23 98.11 73.97 0.00 0.00 0.00 0.01 13:50:01 veth44fd90f 229.86 213.87 105.49 184.97 0.00 0.00 0.00 0.02 Average: lo 4.62 4.62 19.45 19.45 0.00 0.00 0.00 0.00 Average: ens3 75.41 46.82 1053.82 13.65 0.00 0.00 0.00 0.00 Average: docker0 8.01 17.27 0.46 304.52 0.00 0.00 0.00 0.00 Average: br-25c65568e01b 2.54 2.38 18.96 0.53 0.00 0.00 0.00 0.00 Average: veth5923178 0.13 0.17 0.01 0.05 0.00 0.00 0.00 0.00 Average: veth53d409f 183.95 197.93 137.62 90.06 0.00 0.00 0.00 0.01 Average: veth14e5cee 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth8f0dadb 0.41 0.30 0.06 0.28 0.00 0.00 0.00 0.00 Average: veth12fa6b9 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth0efa3b7 82.98 76.81 63.24 44.08 0.00 0.00 0.00 0.01 Average: veth44fd90f 117.56 109.27 53.67 94.61 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-3907) 09/21/26 _x86_64_ (8 CPU) 13:22:53 LINUX RESTART (8 CPU) 13:30:17 CPU %user %nice %system %iowait %steal %idle 13:40:00 all 13.07 0.02 2.84 0.83 0.01 83.22 13:40:00 0 14.10 0.02 3.04 0.90 0.01 81.93 13:40:00 1 13.05 0.02 2.99 0.70 0.01 83.23 13:40:00 2 13.69 0.03 2.75 0.86 0.01 82.67 13:40:00 3 12.76 0.02 2.92 0.98 0.01 83.30 13:40:00 4 12.75 0.02 2.74 0.94 0.01 83.54 13:40:00 5 13.34 0.03 2.98 0.57 0.01 83.07 13:40:00 6 12.39 0.03 2.57 0.80 0.01 84.21 13:40:00 7 12.49 0.03 2.71 0.90 0.01 83.86 13:50:01 all 7.17 0.00 1.51 0.03 0.01 91.28 13:50:01 0 7.43 0.00 2.06 0.03 0.01 90.48 13:50:01 1 8.03 0.00 1.74 0.03 0.01 90.18 13:50:01 2 6.95 0.00 1.63 0.02 0.01 91.38 13:50:01 3 6.46 0.00 1.28 0.03 0.01 92.22 13:50:01 4 7.34 0.00 1.35 0.02 0.01 91.28 13:50:01 5 6.49 0.00 1.32 0.02 0.01 92.16 13:50:01 6 8.00 0.00 1.36 0.03 0.01 90.60 13:50:01 7 6.64 0.00 1.34 0.07 0.01 91.94 Average: all 10.08 0.01 2.17 0.43 0.01 87.31 Average: 0 10.71 0.01 2.54 0.46 0.01 86.27 Average: 1 10.50 0.01 2.35 0.36 0.01 86.76 Average: 2 10.28 0.01 2.18 0.44 0.01 87.08 Average: 3 9.57 0.01 2.09 0.50 0.01 87.83 Average: 4 10.01 0.01 2.04 0.47 0.01 87.46 Average: 5 9.87 0.01 2.14 0.29 0.01 87.67 Average: 6 10.16 0.01 1.96 0.41 0.01 87.45 Average: 7 9.53 0.01 2.02 0.48 0.01 87.95