---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3922 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 852 14293 4 16945 30759 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:7b:b8:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.185/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83763sec preferred_lft 83763sec inet6 fe80::f816:3eff:fe7b:b88c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:e7:4d:ed:ce:50 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::38e7:4dff:feed:ce50/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3922) 08/04/26 _x86_64_ (8 CPU) 07:00:23 LINUX RESTART (8 CPU) 07:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:01 97.56 0.40 93.86 3.30 19.52 11122.58 6517.53 07:30:05 26.69 0.67 24.19 1.83 31.84 4022.04 7201.18 07:40:22 12.10 0.09 11.25 0.76 2.14 1646.93 1726.53 Average: 45.14 0.39 42.80 1.95 17.73 5561.49 5123.06 07:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:01 728152 20324556 11781224 35.85 602792 18139112 18101756 53.38 4807160 23607464 11996 07:30:05 388316 18247512 13674012 41.61 586376 16617160 21285820 62.77 4834108 23892832 12136 07:40:22 1146288 18839824 13112812 39.90 586708 16423872 20301096 59.87 4859144 23134928 11240 Average: 754252 19137297 12856016 39.12 591959 17060048 19896224 58.67 4833471 23545075 11791 07:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:01 lo 2.69 2.69 5.82 5.82 0.00 0.00 0.00 0.00 07:20:01 ens3 43.70 30.76 901.60 6.84 0.00 0.00 0.00 0.00 07:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 br-fb581b502740 2.21 2.53 0.91 8.40 0.00 0.00 0.00 0.00 07:20:01 vethdd382d3 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 07:20:01 vethdccb84d 2.79 3.24 0.61 26.77 0.00 0.00 0.00 0.00 07:20:01 vethe818d22 1.66 1.76 18.51 5.56 0.00 0.00 0.00 0.00 07:20:01 vethc35529e 74.91 79.24 36.87 37.93 0.00 0.00 0.00 0.00 07:20:01 veth868b803 1.33 1.27 5.55 1.71 0.00 0.00 0.00 0.00 07:20:01 vethf5c08c7 75.28 70.54 52.09 33.70 0.00 0.00 0.00 0.00 07:20:01 veth19e4924 2.33 1.85 0.32 1.80 0.00 0.00 0.00 0.00 07:30:05 lo 26.88 26.88 104.76 104.76 0.00 0.00 0.00 0.00 07:30:05 ens3 8.64 7.67 24.44 1.95 0.00 0.00 0.00 0.00 07:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:05 br-fb581b502740 25.80 27.83 20.44 109.47 0.00 0.00 0.00 0.00 07:30:05 vethdd382d3 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 07:30:05 vethdccb84d 35.02 37.02 20.51 270.60 0.00 0.00 0.00 0.02 07:30:05 vethe818d22 16.55 16.40 162.83 44.64 0.00 0.00 0.00 0.01 07:30:05 vethc35529e 69.57 75.85 48.79 27.30 0.00 0.00 0.00 0.00 07:30:05 veth868b803 9.72 9.83 44.44 22.89 0.00 0.00 0.00 0.00 07:30:05 vethf5c08c7 32.34 30.00 30.60 15.07 0.00 0.00 0.00 0.00 07:30:05 veth19e4924 48.65 44.83 20.50 35.84 0.00 0.00 0.00 0.00 07:40:22 lo 30.86 30.86 144.12 144.12 0.00 0.00 0.00 0.00 07:40:22 ens3 3.65 2.03 4.33 1.09 0.00 0.00 0.00 0.00 07:40:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:22 br-fb581b502740 26.37 26.48 30.10 118.81 0.00 0.00 0.00 0.00 07:40:22 vethdd382d3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:22 vethdccb84d 30.90 30.93 30.52 167.57 0.00 0.00 0.00 0.01 07:40:22 vethe818d22 9.17 8.44 50.11 11.41 0.00 0.00 0.00 0.00 07:40:22 vethc35529e 60.16 66.32 44.46 21.45 0.00 0.00 0.00 0.00 07:40:22 veth868b803 7.00 7.67 11.70 25.96 0.00 0.00 0.00 0.00 07:40:22 vethf5c08c7 41.63 38.79 34.45 20.92 0.00 0.00 0.00 0.00 07:40:22 veth19e4924 29.70 26.52 13.30 25.57 0.00 0.00 0.00 0.00 Average: lo 20.24 20.24 85.43 85.43 0.00 0.00 0.00 0.00 Average: ens3 18.52 13.38 307.09 3.28 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: br-fb581b502740 18.21 19.03 17.26 79.28 0.00 0.00 0.00 0.00 Average: vethdd382d3 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethdccb84d 22.99 23.81 17.33 155.27 0.00 0.00 0.00 0.01 Average: vethe818d22 9.14 8.88 77.06 20.50 0.00 0.00 0.00 0.01 Average: vethc35529e 68.15 73.74 43.39 28.83 0.00 0.00 0.00 0.00 Average: veth868b803 6.03 6.27 20.53 16.94 0.00 0.00 0.00 0.00 Average: vethf5c08c7 49.65 46.35 38.99 23.20 0.00 0.00 0.00 0.00 Average: veth19e4924 26.95 24.45 11.40 21.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3922) 08/04/26 _x86_64_ (8 CPU) 07:00:23 LINUX RESTART (8 CPU) 07:10:00 CPU %user %nice %system %iowait %steal %idle 07:20:01 all 10.52 0.02 1.49 0.24 0.07 87.65 07:20:01 0 10.76 0.02 1.71 0.56 0.07 86.88 07:20:01 1 10.08 0.03 1.57 0.16 0.07 88.08 07:20:01 2 10.09 0.03 1.41 0.11 0.08 88.29 07:20:01 3 9.98 0.02 1.33 0.07 0.07 88.52 07:20:01 4 11.05 0.01 1.40 0.10 0.08 87.37 07:20:01 5 10.81 0.01 1.50 0.11 0.07 87.50 07:20:01 6 11.04 0.03 1.47 0.19 0.07 87.19 07:20:01 7 10.39 0.01 1.54 0.59 0.08 87.40 07:30:05 all 9.31 0.00 2.11 0.13 0.09 88.36 07:30:05 0 8.37 0.00 2.54 0.12 0.09 88.87 07:30:05 1 9.22 0.01 2.20 0.14 0.09 88.34 07:30:05 2 9.16 0.01 2.07 0.17 0.09 88.50 07:30:05 3 10.94 0.01 2.25 0.07 0.09 86.64 07:30:05 4 9.03 0.00 1.95 0.11 0.10 88.81 07:30:05 5 8.30 0.01 1.87 0.11 0.10 89.63 07:30:05 6 9.83 0.01 1.99 0.25 0.09 87.83 07:30:05 7 9.64 0.00 1.99 0.06 0.09 88.22 07:40:22 all 7.13 0.00 1.97 1.15 0.12 89.63 07:40:22 0 6.63 0.00 2.48 0.22 0.12 90.55 07:40:22 1 7.23 0.00 2.08 0.05 0.12 90.52 07:40:22 2 7.15 0.00 1.99 4.05 0.11 86.70 07:40:22 3 7.30 0.00 1.81 0.02 0.11 90.75 07:40:22 4 7.49 0.00 1.67 0.07 0.11 90.66 07:40:22 5 6.72 0.00 1.70 0.05 0.10 91.42 07:40:22 6 7.16 0.00 1.97 3.66 0.13 87.07 07:40:22 7 7.36 0.00 2.04 1.10 0.12 89.38 Average: all 8.97 0.01 1.86 0.51 0.09 88.56 Average: 0 8.56 0.01 2.25 0.30 0.09 88.79 Average: 1 8.84 0.01 1.95 0.11 0.10 88.99 Average: 2 8.78 0.01 1.83 1.46 0.09 87.82 Average: 3 9.40 0.01 1.80 0.05 0.09 88.65 Average: 4 9.18 0.00 1.67 0.09 0.09 88.96 Average: 5 8.59 0.01 1.69 0.09 0.09 89.53 Average: 6 9.33 0.01 1.81 1.38 0.10 87.36 Average: 7 9.11 0.00 1.86 0.59 0.10 88.34