---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-13978 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 25G 131G 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 986 15029 3 16076 30638 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:d6:d7:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.73/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83737sec preferred_lft 83737sec inet6 fe80::f816:3eff:fed6:d7e9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:6b:76:52:c9:18 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::bc6b:76ff:fe52:c918/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-13978) 08/20/26 _x86_64_ (8 CPU) 14:03:33 LINUX RESTART (8 CPU) 14:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:01 247.55 0.44 237.20 9.91 21.62 45229.92 45075.36 14:30:17 27.66 0.38 25.28 1.99 24.72 3949.67 12984.08 14:40:17 10.32 0.08 9.86 0.39 1.79 1408.97 1156.42 Average: 94.67 0.30 90.28 4.08 16.13 16764.89 19694.42 14:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:01 509160 20387792 11765732 35.80 583364 18409696 17778564 52.43 4750968 23947760 1768 14:30:17 395568 17550888 14363108 43.71 565144 15970888 21906724 64.60 4664920 24077692 6900 14:40:17 384624 17275488 14636736 44.54 565004 15711920 22153032 65.33 4619080 24130532 12028 Average: 429784 18404723 13588525 41.35 571171 16697501 20612773 60.78 4678323 24051995 6899 14:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:01 lo 0.65 0.65 0.05 0.05 0.00 0.00 0.00 0.00 14:20:01 ens3 284.91 165.93 2520.77 51.46 0.00 0.00 0.00 0.00 14:20:01 docker0 16.68 35.73 0.99 719.13 0.00 0.00 0.00 0.00 14:20:01 br-712137ea4e81 0.30 0.27 0.01 0.02 0.00 0.00 0.00 0.00 14:20:01 veth6b78e3e 0.02 0.12 0.00 0.01 0.00 0.00 0.00 0.00 14:20:01 veth89a7ab5 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 14:20:01 veth46e0c1c 0.35 0.36 0.04 0.16 0.00 0.00 0.00 0.00 14:20:01 veth6f35b70 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 14:20:01 vethdef0755 24.84 25.36 7.45 6.17 0.00 0.00 0.00 0.00 14:20:01 vethe002ed0 20.07 19.54 6.24 3.86 0.00 0.00 0.00 0.00 14:20:01 veth4525aba 0.19 0.27 0.32 1.11 0.00 0.00 0.00 0.00 14:20:01 veth84a29ea 1.26 1.04 0.17 1.11 0.00 0.00 0.00 0.00 14:30:17 lo 19.17 19.17 69.75 69.75 0.00 0.00 0.00 0.00 14:30:17 ens3 7.63 5.52 3.66 1.83 0.00 0.00 0.00 0.00 14:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:17 br-712137ea4e81 12.64 16.32 13.85 58.23 0.00 0.00 0.00 0.00 14:30:17 veth6b78e3e 21.56 25.28 13.30 226.86 0.00 0.00 0.00 0.02 14:30:17 veth89a7ab5 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 14:30:17 veth46e0c1c 9.04 8.73 44.85 17.97 0.00 0.00 0.00 0.00 14:30:17 veth6f35b70 15.75 15.83 170.15 45.14 0.00 0.00 0.00 0.01 14:30:17 vethdef0755 107.85 117.28 74.92 55.89 0.00 0.00 0.00 0.01 14:30:17 vethe002ed0 76.09 69.89 67.21 38.96 0.00 0.00 0.00 0.01 14:30:17 veth84a29ea 47.42 43.75 20.02 38.78 0.00 0.00 0.00 0.00 14:40:17 lo 35.31 35.31 171.82 171.82 0.00 0.00 0.00 0.00 14:40:17 ens3 1.20 0.89 0.33 0.75 0.00 0.00 0.00 0.00 14:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:17 br-712137ea4e81 24.35 25.64 34.92 138.13 0.00 0.00 0.00 0.00 14:40:17 veth6b78e3e 28.39 29.60 35.39 163.25 0.00 0.00 0.00 0.01 14:40:17 veth89a7ab5 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:17 veth46e0c1c 6.99 7.80 6.16 26.03 0.00 0.00 0.00 0.00 14:40:17 veth6f35b70 8.45 7.51 26.52 5.74 0.00 0.00 0.00 0.00 14:40:17 vethdef0755 63.03 69.35 53.02 23.50 0.00 0.00 0.00 0.00 14:40:17 vethe002ed0 42.16 39.30 35.78 24.25 0.00 0.00 0.00 0.00 14:40:17 veth84a29ea 32.44 29.20 13.96 30.95 0.00 0.00 0.00 0.00 Average: lo 18.37 18.37 80.39 80.39 0.00 0.00 0.00 0.00 Average: ens3 97.22 57.05 835.12 17.89 0.00 0.00 0.00 0.00 Average: docker0 5.52 11.82 0.33 237.86 0.00 0.00 0.00 0.00 Average: br-712137ea4e81 12.43 14.09 16.23 65.35 0.00 0.00 0.00 0.00 Average: veth6b78e3e 16.69 18.38 16.19 130.83 0.00 0.00 0.00 0.01 Average: veth89a7ab5 0.05 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth46e0c1c 5.49 5.65 17.26 14.74 0.00 0.00 0.00 0.00 Average: veth6f35b70 8.14 7.89 66.46 17.21 0.00 0.00 0.00 0.01 Average: vethdef0755 65.60 71.06 45.38 28.75 0.00 0.00 0.00 0.00 Average: vethe002ed0 46.36 43.14 36.67 22.49 0.00 0.00 0.00 0.00 Average: veth84a29ea 27.20 24.82 11.45 23.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-13978) 08/20/26 _x86_64_ (8 CPU) 14:03:33 LINUX RESTART (8 CPU) 14:10:00 CPU %user %nice %system %iowait %steal %idle 14:20:01 all 20.17 0.02 3.17 1.19 0.08 75.37 14:20:01 0 15.98 0.03 3.26 1.35 0.08 79.31 14:20:01 1 20.74 0.02 2.97 0.86 0.08 75.33 14:20:01 2 20.43 0.03 3.37 1.24 0.09 74.85 14:20:01 3 22.55 0.02 3.09 1.81 0.08 72.45 14:20:01 4 22.91 0.03 3.44 1.34 0.08 72.19 14:20:01 5 20.65 0.02 3.01 0.77 0.08 75.46 14:20:01 6 17.97 0.02 2.99 1.29 0.08 77.65 14:20:01 7 20.11 0.03 3.25 0.85 0.08 75.69 14:30:17 all 9.56 0.01 2.01 0.11 0.10 88.21 14:30:17 0 9.42 0.01 2.68 0.06 0.10 87.73 14:30:17 1 9.45 0.00 2.25 0.17 0.10 88.03 14:30:17 2 9.70 0.00 1.94 0.11 0.10 88.14 14:30:17 3 10.23 0.01 1.93 0.18 0.10 87.56 14:30:17 4 9.47 0.00 1.88 0.13 0.10 88.42 14:30:17 5 8.88 0.01 1.84 0.09 0.10 89.09 14:30:17 6 9.80 0.00 1.79 0.07 0.10 88.25 14:30:17 7 9.58 0.00 1.75 0.08 0.09 88.50 14:40:17 all 7.46 0.00 2.02 0.03 0.10 90.39 14:40:17 0 6.95 0.00 2.64 0.01 0.10 90.29 14:40:17 1 7.93 0.00 2.11 0.08 0.09 89.79 14:40:17 2 7.86 0.00 1.95 0.02 0.10 90.07 14:40:17 3 7.44 0.00 1.87 0.05 0.11 90.53 14:40:17 4 7.09 0.00 1.96 0.02 0.10 90.83 14:40:17 5 7.82 0.00 2.06 0.02 0.10 90.00 14:40:17 6 7.16 0.00 1.80 0.02 0.10 90.93 14:40:17 7 7.41 0.00 1.75 0.03 0.10 90.71 Average: all 12.38 0.01 2.40 0.44 0.09 84.68 Average: 0 10.77 0.01 2.86 0.47 0.09 85.80 Average: 1 12.69 0.01 2.44 0.37 0.09 84.40 Average: 2 12.64 0.01 2.42 0.46 0.10 84.38 Average: 3 13.38 0.01 2.29 0.67 0.10 83.54 Average: 4 13.14 0.01 2.42 0.49 0.09 83.84 Average: 5 12.43 0.01 2.30 0.29 0.09 84.88 Average: 6 11.63 0.01 2.19 0.45 0.09 85.62 Average: 7 12.35 0.01 2.24 0.32 0.09 84.99