---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3963 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 996 12074 4 19020 30627 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:dd:de:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.187/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84447sec preferred_lft 84447sec inet6 fe80::f816:3eff:fedd:de47/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:2a:dd:76:01:a2 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::c42a:ddff:fe76:1a2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3963) 08/04/26 _x86_64_ (8 CPU) 09:51:37 LINUX RESTART (8 CPU) 10:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:21 185.52 0.30 178.58 6.64 14.62 32332.09 34410.69 10:20:01 9.49 0.10 9.02 0.36 3.89 454.22 6297.70 Average: 100.50 0.20 96.69 3.61 9.44 16935.52 20832.50 10:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:21 1760900 21298880 10855280 33.03 596860 18046804 16831588 49.63 4785484 22655880 1324 10:20:01 668424 20298264 11854488 36.07 597268 18134128 17784412 52.44 4828300 23678476 2500 Average: 1214662 20798572 11354884 34.55 597064 18090466 17308000 51.04 4806892 23167178 1912 10:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:21 lo 0.63 0.63 0.05 0.05 0.00 0.00 0.00 0.00 10:10:21 ens3 105.75 71.98 1621.82 14.03 0.00 0.00 0.00 0.00 10:10:21 docker0 16.78 31.53 0.98 509.66 0.00 0.00 0.00 0.00 10:10:21 br-d88c23991f0d 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 10:10:21 veth77a667c 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 10:10:21 veth931884e 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 10:10:21 vethfbd9746 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 10:10:21 vethcff9987 0.40 0.39 0.05 0.21 0.00 0.00 0.00 0.00 10:10:21 veth46cd128 46.23 48.79 17.96 23.00 0.00 0.00 0.00 0.00 10:10:21 vethec76c9e 44.44 41.51 31.44 14.66 0.00 0.00 0.00 0.00 10:10:21 vethe54456e 0.66 1.22 0.77 9.41 0.00 0.00 0.00 0.00 10:10:21 vethf9b8dce 1.73 1.37 0.23 1.38 0.00 0.00 0.00 0.00 10:20:01 lo 8.71 8.71 39.62 39.62 0.00 0.00 0.00 0.00 10:20:01 ens3 20.95 12.14 8.24 7.77 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-d88c23991f0d 4.93 4.63 38.68 1.06 0.00 0.00 0.00 0.00 10:20:01 veth77a667c 0.23 0.21 0.03 0.09 0.00 0.00 0.00 0.00 10:20:01 veth931884e 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 vethfbd9746 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 vethcff9987 0.40 0.21 0.07 0.35 0.00 0.00 0.00 0.00 10:20:01 veth46cd128 324.66 350.25 263.91 159.05 0.00 0.00 0.00 0.02 10:20:01 vethec76c9e 119.45 110.15 95.13 73.55 0.00 0.00 0.00 0.01 10:20:01 vethf9b8dce 238.98 222.40 109.44 194.56 0.00 0.00 0.00 0.02 Average: lo 4.53 4.53 19.16 19.16 0.00 0.00 0.00 0.00 Average: ens3 64.79 43.08 842.48 11.01 0.00 0.00 0.00 0.00 Average: docker0 8.68 16.30 0.51 263.50 0.00 0.00 0.00 0.00 Average: br-d88c23991f0d 2.53 2.37 18.69 0.52 0.00 0.00 0.00 0.00 Average: veth77a667c 0.13 0.17 0.01 0.05 0.00 0.00 0.00 0.00 Average: veth931884e 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethfbd9746 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethcff9987 0.40 0.30 0.06 0.28 0.00 0.00 0.00 0.00 Average: veth46cd128 180.71 194.39 136.75 88.71 0.00 0.00 0.00 0.01 Average: vethec76c9e 80.67 74.66 62.20 43.10 0.00 0.00 0.00 0.01 Average: vethf9b8dce 116.32 108.12 52.98 94.68 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3963) 08/04/26 _x86_64_ (8 CPU) 09:51:37 LINUX RESTART (8 CPU) 10:00:00 CPU %user %nice %system %iowait %steal %idle 10:10:21 all 12.44 0.02 2.54 0.64 0.08 84.29 10:10:21 0 11.27 0.01 2.76 0.75 0.07 85.13 10:10:21 1 11.41 0.03 2.55 0.59 0.07 85.34 10:10:21 2 13.54 0.04 2.53 0.42 0.08 83.38 10:10:21 3 14.83 0.01 2.49 0.51 0.08 82.08 10:10:21 4 11.65 0.03 2.49 0.56 0.09 85.18 10:10:21 5 12.80 0.02 2.75 0.75 0.08 83.60 10:10:21 6 12.04 0.02 2.50 0.94 0.08 84.42 10:10:21 7 11.94 0.01 2.23 0.58 0.08 85.16 10:20:01 all 7.54 0.00 1.52 0.02 0.08 90.84 10:20:01 0 7.96 0.00 1.98 0.01 0.08 89.97 10:20:01 1 7.68 0.00 1.58 0.02 0.08 90.65 10:20:01 2 7.69 0.00 1.42 0.01 0.07 90.79 10:20:01 3 7.19 0.00 1.57 0.05 0.08 91.10 10:20:01 4 8.19 0.00 1.42 0.02 0.08 90.29 10:20:01 5 6.84 0.00 1.41 0.02 0.08 91.65 10:20:01 6 7.52 0.00 1.43 0.02 0.08 90.95 10:20:01 7 7.27 0.00 1.30 0.01 0.07 91.34 Average: all 10.08 0.01 2.05 0.34 0.08 87.45 Average: 0 9.67 0.01 2.39 0.39 0.07 87.47 Average: 1 9.61 0.02 2.08 0.31 0.08 87.90 Average: 2 10.73 0.02 2.00 0.23 0.08 86.95 Average: 3 11.15 0.01 2.05 0.29 0.08 86.43 Average: 4 9.98 0.02 1.97 0.30 0.08 87.64 Average: 5 9.93 0.01 2.11 0.40 0.08 87.48 Average: 6 9.86 0.01 1.98 0.50 0.08 87.57 Average: 7 9.69 0.01 1.78 0.31 0.08 88.14