---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3964 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 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 1015 14556 4 16519 30609 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:b0:e0:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.222/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83633sec preferred_lft 83633sec inet6 fe80::f816:3eff:feb0:e033/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:04:5a:a1:f5:a6 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::4c04:5aff:fea1:f5a6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3964) 08/04/26 _x86_64_ (8 CPU) 09:51:34 LINUX RESTART (8 CPU) 10:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:04 185.92 0.32 178.80 6.80 15.20 33299.57 42544.44 10:20:01 27.85 0.33 25.51 2.01 24.26 3879.34 7952.65 10:30:04 10.13 0.60 9.08 0.44 21.22 1426.90 470.71 Average: 74.82 0.42 71.31 3.09 20.21 12903.52 17024.54 10:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:04 1529740 21059640 11093416 33.76 596100 18039776 17151240 50.58 4784024 22889344 912 10:20:01 403152 18003672 13890696 42.27 580844 16395636 21688112 63.96 4774156 23935620 13228 10:30:04 361496 17767800 14153480 43.07 581472 16176584 21937408 64.69 4736800 24026212 11980 Average: 764796 18943704 13045864 39.70 586139 16870665 20258920 59.74 4764993 23617059 8707 10:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:04 lo 0.66 0.66 0.05 0.05 0.00 0.00 0.00 0.00 10:10:04 ens3 130.49 84.84 1675.59 19.03 0.00 0.00 0.00 0.00 10:10:04 docker0 14.95 27.53 0.86 524.35 0.00 0.00 0.00 0.00 10:10:04 br-4da0b9d614fb 0.30 0.27 0.01 0.02 0.00 0.00 0.00 0.00 10:10:04 veth7c1f4b7 0.40 0.39 0.05 0.21 0.00 0.00 0.00 0.00 10:10:04 veth9159786 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 10:10:04 veth45c383a 45.59 46.93 16.56 20.27 0.00 0.00 0.00 0.00 10:10:04 vethf8a4717 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 10:10:04 veth98c0406 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 10:10:04 veth29aa342 42.36 40.78 27.17 13.17 0.00 0.00 0.00 0.00 10:10:04 vethf139364 0.61 1.05 0.73 7.89 0.00 0.00 0.00 0.00 10:10:04 vethf224c23 1.71 1.38 0.23 1.39 0.00 0.00 0.00 0.00 10:20:01 lo 22.24 22.24 78.07 78.07 0.00 0.00 0.00 0.00 10:20:01 ens3 10.68 8.91 28.42 2.08 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 br-4da0b9d614fb 19.96 23.01 16.49 89.98 0.00 0.00 0.00 0.00 10:20:01 veth7c1f4b7 9.73 9.72 49.51 19.06 0.00 0.00 0.00 0.00 10:20:01 veth9159786 16.68 16.56 177.55 49.78 0.00 0.00 0.00 0.01 10:20:01 veth45c383a 92.67 100.75 65.16 43.68 0.00 0.00 0.00 0.01 10:20:01 vethf8a4717 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 10:20:01 veth98c0406 29.02 32.07 16.06 265.85 0.00 0.00 0.00 0.02 10:20:01 veth29aa342 57.32 52.90 48.82 31.37 0.00 0.00 0.00 0.00 10:20:01 vethf224c23 49.14 45.34 20.76 36.35 0.00 0.00 0.00 0.00 10:30:04 lo 36.11 36.11 173.35 173.35 0.00 0.00 0.00 0.00 10:30:04 ens3 3.55 1.40 1.91 1.37 0.00 0.00 0.00 0.00 10:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:04 br-4da0b9d614fb 23.95 25.76 33.51 140.96 0.00 0.00 0.00 0.00 10:30:04 veth7c1f4b7 6.96 7.77 5.99 26.11 0.00 0.00 0.00 0.00 10:30:04 veth9159786 8.55 7.58 26.68 5.59 0.00 0.00 0.00 0.00 10:30:04 veth45c383a 62.24 68.66 48.70 23.33 0.00 0.00 0.00 0.00 10:30:04 vethf8a4717 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:04 veth98c0406 28.01 29.72 33.98 166.24 0.00 0.00 0.00 0.01 10:30:04 veth29aa342 43.15 40.24 35.98 24.28 0.00 0.00 0.00 0.00 10:30:04 vethf224c23 30.67 27.42 13.66 26.58 0.00 0.00 0.00 0.00 Average: lo 19.66 19.66 83.84 83.84 0.00 0.00 0.00 0.00 Average: ens3 48.39 31.80 570.74 7.51 0.00 0.00 0.00 0.00 Average: docker0 5.00 9.21 0.29 175.46 0.00 0.00 0.00 0.00 Average: br-4da0b9d614fb 14.72 16.32 16.67 76.93 0.00 0.00 0.00 0.00 Average: veth7c1f4b7 5.68 5.95 18.40 15.11 0.00 0.00 0.00 0.00 Average: veth9159786 8.39 8.06 67.66 18.34 0.00 0.00 0.00 0.01 Average: veth45c383a 66.73 72.00 43.39 29.04 0.00 0.00 0.00 0.00 Average: vethf8a4717 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth98c0406 18.98 20.59 16.68 143.56 0.00 0.00 0.00 0.01 Average: veth29aa342 47.57 44.61 37.28 22.91 0.00 0.00 0.00 0.00 Average: vethf224c23 27.09 24.64 11.52 21.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3964) 08/04/26 _x86_64_ (8 CPU) 09:51:34 LINUX RESTART (8 CPU) 10:00:00 CPU %user %nice %system %iowait %steal %idle 10:10:04 all 12.51 0.02 2.60 0.68 0.08 84.11 10:10:04 0 11.92 0.03 2.51 0.51 0.08 84.96 10:10:04 1 12.90 0.03 2.72 0.63 0.09 83.63 10:10:04 2 12.07 0.02 2.63 0.81 0.08 84.39 10:10:04 3 12.60 0.02 2.98 0.47 0.08 83.85 10:10:04 4 12.07 0.02 2.33 0.55 0.08 84.94 10:10:04 5 13.89 0.01 2.48 1.21 0.08 82.33 10:10:04 6 11.14 0.01 2.60 0.49 0.08 85.67 10:10:04 7 13.45 0.04 2.56 0.73 0.08 83.14 10:20:01 all 10.85 0.01 2.23 0.12 0.10 86.69 10:20:01 0 9.12 0.01 2.75 0.08 0.10 87.95 10:20:01 1 13.21 0.01 2.49 0.09 0.10 84.11 10:20:01 2 10.54 0.00 2.26 0.11 0.10 86.99 10:20:01 3 10.69 0.01 2.01 0.11 0.09 87.08 10:20:01 4 11.22 0.00 2.10 0.06 0.10 86.51 10:20:01 5 9.92 0.00 2.07 0.21 0.10 87.71 10:20:01 6 11.32 0.01 2.12 0.11 0.10 86.35 10:20:01 7 10.82 0.01 2.05 0.18 0.10 86.83 10:30:04 all 8.43 0.00 2.26 0.04 0.11 89.17 10:30:04 0 7.98 0.00 2.87 0.02 0.11 89.02 10:30:04 1 8.01 0.00 2.29 0.03 0.11 89.57 10:30:04 2 8.47 0.00 2.14 0.04 0.10 89.24 10:30:04 3 8.45 0.00 2.11 0.03 0.11 89.29 10:30:04 4 9.21 0.00 2.28 0.07 0.11 88.33 10:30:04 5 8.06 0.00 2.08 0.02 0.10 89.73 10:30:04 6 8.85 0.00 2.11 0.02 0.11 88.91 10:30:04 7 8.39 0.00 2.19 0.05 0.11 89.27 Average: all 10.59 0.01 2.37 0.28 0.10 86.66 Average: 0 9.67 0.01 2.71 0.20 0.09 87.31 Average: 1 11.36 0.01 2.50 0.25 0.10 85.77 Average: 2 10.36 0.01 2.34 0.32 0.09 86.87 Average: 3 10.58 0.01 2.37 0.20 0.10 86.74 Average: 4 10.83 0.01 2.24 0.23 0.10 86.60 Average: 5 10.63 0.01 2.21 0.48 0.09 86.58 Average: 6 10.43 0.00 2.28 0.21 0.10 86.98 Average: 7 10.89 0.02 2.27 0.32 0.10 86.41