---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-13385 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 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 1012 15534 4 15545 30612 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:a7:76:82 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 84452sec preferred_lft 84452sec inet6 fe80::f816:3eff:fea7:7682/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:94:8d:fd:84:a4 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::b494:8dff:fefd:84a4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-13385) 08/18/26 _x86_64_ (8 CPU) 08:06:29 LINUX RESTART (8 CPU) 08:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:01 551.68 2.07 534.91 14.71 57.87 61274.06 54368.68 08:30:04 10.14 1.88 7.95 0.30 55.29 902.87 2138.22 Average: 279.41 1.98 269.97 7.47 56.57 30921.44 28108.95 08:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:01 293644 17615232 14532496 44.22 574568 15901960 20587832 60.71 4501132 24449072 174732 08:30:04 229552 16283164 15872412 48.30 575320 14641196 21818772 64.34 4301284 24698868 708 Average: 261598 16949198 15202454 46.26 574944 15271578 21203302 62.53 4401208 24573970 87720 08:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:01 lo 0.85 0.85 0.07 0.07 0.00 0.00 0.00 0.00 08:20:01 ens3 440.18 254.28 3312.15 95.54 0.00 0.00 0.00 0.00 08:20:01 docker0 16.30 32.41 1.02 758.99 0.00 0.00 0.00 0.00 08:20:01 br-3ce9904289c2 0.28 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:20:01 veth0c6b052 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 08:20:01 veth2f564c9 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 08:20:01 vethabc7f59 6.48 6.12 4.41 1.28 0.00 0.00 0.00 0.00 08:20:01 veth7750a9d 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 08:20:01 vethc3c3e6e 0.09 0.16 0.01 0.01 0.00 0.00 0.00 0.00 08:20:01 veth5a8d9ba 0.69 0.73 0.09 0.90 0.00 0.00 0.00 0.00 08:20:01 vethcefbe3f 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 vethffc561b 0.32 0.33 0.04 0.50 0.00 0.00 0.00 0.00 08:30:04 lo 3.61 3.61 11.72 11.72 0.00 0.00 0.00 0.00 08:30:04 ens3 6.94 4.22 2.93 2.52 0.00 0.00 0.00 0.00 08:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:04 br-3ce9904289c2 1.93 1.82 11.21 0.54 0.00 0.00 0.00 0.00 08:30:04 veth0c6b052 0.22 0.20 0.02 0.08 0.00 0.00 0.00 0.00 08:30:04 veth2f564c9 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:04 vethabc7f59 189.70 203.73 132.60 96.39 0.00 0.00 0.00 0.01 08:30:04 veth7750a9d 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:04 vethc3c3e6e 0.53 0.34 0.08 0.38 0.00 0.00 0.00 0.00 08:30:04 veth5a8d9ba 107.95 100.86 75.82 51.94 0.00 0.00 0.00 0.01 08:30:04 vethffc561b 101.98 94.42 46.99 83.96 0.00 0.00 0.00 0.01 Average: lo 2.24 2.24 5.93 5.93 0.00 0.00 0.00 0.00 Average: ens3 222.36 128.56 1648.38 48.77 0.00 0.00 0.00 0.00 Average: docker0 8.11 16.11 0.51 377.40 0.00 0.00 0.00 0.00 Average: br-3ce9904289c2 1.11 1.04 5.64 0.28 0.00 0.00 0.00 0.00 Average: veth0c6b052 0.13 0.16 0.01 0.05 0.00 0.00 0.00 0.00 Average: veth2f564c9 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethabc7f59 98.60 105.47 68.86 49.10 0.00 0.00 0.00 0.01 Average: veth7750a9d 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethc3c3e6e 0.31 0.25 0.04 0.19 0.00 0.00 0.00 0.00 Average: veth5a8d9ba 54.62 51.07 38.16 26.56 0.00 0.00 0.00 0.00 Average: vethffc561b 51.43 47.63 23.65 42.46 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-13385) 08/18/26 _x86_64_ (8 CPU) 08:06:29 LINUX RESTART (8 CPU) 08:10:04 CPU %user %nice %system %iowait %steal %idle 08:20:01 all 39.44 0.03 5.33 0.97 0.09 54.14 08:20:01 0 41.40 0.01 5.62 0.98 0.09 51.89 08:20:01 1 40.35 0.06 4.72 0.77 0.09 54.00 08:20:01 2 40.64 0.02 5.33 0.83 0.09 53.10 08:20:01 3 37.68 0.03 5.51 0.88 0.10 55.79 08:20:01 4 39.81 0.02 5.22 0.84 0.09 54.02 08:20:01 5 36.75 0.02 5.52 1.33 0.09 56.30 08:20:01 6 39.22 0.03 5.38 1.00 0.09 54.28 08:20:01 7 39.69 0.02 5.30 1.12 0.09 53.77 08:30:04 all 7.31 0.00 1.14 0.03 0.07 91.45 08:30:04 0 6.98 0.00 1.34 0.01 0.07 91.60 08:30:04 1 8.01 0.00 1.24 0.01 0.06 90.68 08:30:04 2 8.10 0.00 1.15 0.01 0.07 90.66 08:30:04 3 6.86 0.00 1.00 0.01 0.08 92.06 08:30:04 4 7.21 0.00 1.12 0.03 0.07 91.58 08:30:04 5 7.67 0.00 1.13 0.01 0.07 91.12 08:30:04 6 6.25 0.00 1.06 0.04 0.06 92.60 08:30:04 7 7.42 0.00 1.07 0.12 0.06 91.33 Average: all 23.28 0.01 3.22 0.50 0.08 72.91 Average: 0 24.06 0.01 3.46 0.49 0.08 71.90 Average: 1 24.08 0.03 2.97 0.39 0.08 72.45 Average: 2 24.29 0.01 3.23 0.42 0.08 71.98 Average: 3 22.17 0.02 3.24 0.44 0.09 74.05 Average: 4 23.40 0.01 3.16 0.43 0.08 72.92 Average: 5 22.12 0.01 3.31 0.66 0.08 73.82 Average: 6 22.64 0.02 3.21 0.52 0.08 73.54 Average: 7 23.45 0.01 3.17 0.62 0.08 72.67