---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-12198 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: 5600.00 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 875 14859 3 16357 30749 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:4a:d3:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.235/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83744sec preferred_lft 83744sec inet6 fe80::f816:3eff:fe4a:d38d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:3d:d0:23:16:87 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::fc3d:d0ff:fe23:1687/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-12198) 08/13/26 _x86_64_ (8 CPU) 13:16:38 LINUX RESTART (8 CPU) 13:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:01 582.61 0.76 566.23 15.62 35.01 61488.00 71434.32 13:40:14 20.78 0.45 19.31 1.02 9.06 2709.94 2094.75 13:50:01 15.06 0.23 13.60 1.23 18.69 2229.65 2587.49 14:00:01 47.64 1.13 17.74 28.77 38.01 2027.44 483869.57 Average: 166.66 0.64 154.36 11.66 25.14 17127.89 139976.09 13:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:01 1298504 21156808 10997724 33.47 584112 18389940 17179176 50.66 4744296 23165000 1304 13:40:14 263284 18047292 13876304 42.23 567636 16577300 21824744 64.36 4586284 24320524 26292 13:50:01 302012 17711196 14204080 43.22 567740 16218796 21912256 64.62 4630324 24230528 12836 14:00:01 15325092 31517260 677112 2.06 570104 14771404 1583992 4.67 4423788 11440220 1104 Average: 4297223 22108139 9938805 30.24 572398 16489360 15625042 46.08 4596173 20789068 10384 13:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:01 lo 0.82 0.82 0.07 0.07 0.00 0.00 0.00 0.00 13:30:01 ens3 364.16 227.53 3310.76 67.52 0.00 0.00 0.00 0.00 13:30:01 docker0 20.85 40.90 1.24 754.34 0.00 0.00 0.00 0.00 13:30:01 br-b2c491581df0 0.28 0.25 0.01 0.02 0.00 0.00 0.00 0.00 13:30:01 veth5b9bcd7 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 13:30:01 vethda5e973 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 13:30:01 vethb79f67f 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 13:30:01 vethf88a91f 0.08 0.16 0.01 0.01 0.00 0.00 0.00 0.00 13:30:01 veth2391143 6.33 5.95 4.36 1.26 0.00 0.00 0.00 0.00 13:30:01 vethb25138c 0.64 0.69 0.08 0.89 0.00 0.00 0.00 0.00 13:30:01 vethcc3439d 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 vetha09fa83 0.30 0.33 0.04 0.49 0.00 0.00 0.00 0.00 13:40:14 lo 8.53 8.53 22.70 22.70 0.00 0.00 0.00 0.00 13:40:14 ens3 3.44 3.15 4.68 0.93 0.00 0.00 0.00 0.00 13:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:14 br-b2c491581df0 6.12 7.68 3.91 23.22 0.00 0.00 0.00 0.00 13:40:14 veth5b9bcd7 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 13:40:14 vethda5e973 7.86 7.88 86.22 24.88 0.00 0.00 0.00 0.01 13:40:14 vethb79f67f 10.42 12.03 2.93 108.84 0.00 0.00 0.00 0.01 13:40:14 vethf88a91f 4.37 4.16 24.66 8.37 0.00 0.00 0.00 0.00 13:40:14 veth2391143 97.46 104.75 55.05 48.24 0.00 0.00 0.00 0.00 13:40:14 vethb25138c 84.88 79.10 61.96 37.93 0.00 0.00 0.00 0.01 13:40:14 vetha09fa83 24.86 22.83 9.35 19.24 0.00 0.00 0.00 0.00 13:50:01 lo 33.03 33.03 152.80 152.80 0.00 0.00 0.00 0.00 13:50:01 ens3 2.23 2.07 0.80 0.89 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 br-b2c491581df0 22.09 23.96 30.06 124.31 0.00 0.00 0.00 0.00 13:50:01 veth5b9bcd7 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 vethda5e973 13.72 12.93 95.92 25.61 0.00 0.00 0.00 0.01 13:50:01 vethb79f67f 29.35 31.23 31.12 218.24 0.00 0.00 0.00 0.02 13:50:01 vethf88a91f 9.61 10.12 25.89 21.72 0.00 0.00 0.00 0.00 13:50:01 veth2391143 81.45 89.01 67.17 33.66 0.00 0.00 0.00 0.01 13:50:01 vethb25138c 38.92 36.48 29.86 20.15 0.00 0.00 0.00 0.00 13:50:01 vetha09fa83 55.84 51.01 25.36 49.88 0.00 0.00 0.00 0.00 14:00:01 lo 24.20 24.20 103.76 103.76 0.00 0.00 0.00 0.00 14:00:01 ens3 5.88 4.58 5.47 1.71 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 16.50 16.50 69.09 69.09 0.00 0.00 0.00 0.00 Average: ens3 94.00 59.38 831.09 17.78 0.00 0.00 0.00 0.00 Average: docker0 5.22 10.23 0.31 188.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-12198) 08/13/26 _x86_64_ (8 CPU) 13:16:38 LINUX RESTART (8 CPU) 13:20:00 CPU %user %nice %system %iowait %steal %idle 13:30:01 all 39.22 0.02 5.21 1.51 0.11 53.93 13:30:01 0 40.48 0.02 5.49 0.94 0.12 52.96 13:30:01 1 37.62 0.01 5.10 1.37 0.11 55.78 13:30:01 2 36.80 0.03 5.22 1.47 0.11 56.37 13:30:01 3 45.05 0.03 5.29 1.15 0.11 48.37 13:30:01 4 41.65 0.02 5.41 2.15 0.11 50.66 13:30:01 5 37.90 0.01 4.69 1.77 0.11 55.51 13:30:01 6 37.82 0.02 5.40 1.64 0.11 55.00 13:30:01 7 36.42 0.03 5.09 1.56 0.11 56.78 13:40:14 all 8.41 0.00 1.29 0.07 0.08 90.16 13:40:14 0 8.06 0.00 1.42 0.15 0.08 90.29 13:40:14 1 8.25 0.01 1.27 0.05 0.08 90.35 13:40:14 2 8.79 0.00 1.35 0.03 0.08 89.75 13:40:14 3 8.02 0.00 1.31 0.08 0.08 90.50 13:40:14 4 7.96 0.00 1.28 0.04 0.08 90.63 13:40:14 5 8.70 0.00 1.29 0.04 0.09 89.88 13:40:14 6 8.79 0.00 1.18 0.07 0.08 89.88 13:40:14 7 8.69 0.00 1.18 0.10 0.08 89.96 13:50:01 all 8.58 0.00 2.18 0.06 0.10 89.07 13:50:01 0 9.46 0.01 2.67 0.10 0.10 87.66 13:50:01 1 8.84 0.00 2.38 0.07 0.10 88.60 13:50:01 2 8.20 0.00 2.24 0.09 0.10 89.37 13:50:01 3 8.96 0.01 2.03 0.02 0.10 88.89 13:50:01 4 9.00 0.00 1.94 0.05 0.10 88.92 13:50:01 5 8.11 0.00 2.03 0.02 0.10 89.74 13:50:01 6 8.16 0.01 2.13 0.05 0.10 89.56 13:50:01 7 7.89 0.01 2.01 0.11 0.10 89.87 14:00:01 all 6.77 0.00 1.84 0.11 0.11 91.16 14:00:01 0 7.14 0.00 2.33 0.23 0.10 90.19 14:00:01 1 6.19 0.00 2.01 0.08 0.10 91.61 14:00:01 2 7.13 0.00 1.88 0.07 0.11 90.80 14:00:01 3 7.67 0.00 1.83 0.03 0.11 90.36 14:00:01 4 6.30 0.01 1.68 0.08 0.11 91.81 14:00:01 5 6.70 0.01 1.72 0.11 0.10 91.36 14:00:01 6 7.32 0.00 1.73 0.08 0.11 90.75 14:00:01 7 5.72 0.00 1.53 0.22 0.10 92.43 Average: all 15.73 0.01 2.62 0.44 0.10 81.10 Average: 0 16.25 0.01 2.97 0.35 0.10 80.32 Average: 1 15.21 0.01 2.68 0.39 0.10 81.61 Average: 2 15.23 0.01 2.67 0.41 0.10 81.58 Average: 3 17.40 0.01 2.61 0.32 0.10 79.56 Average: 4 16.21 0.01 2.57 0.58 0.10 80.53 Average: 5 15.35 0.01 2.43 0.48 0.10 81.63 Average: 6 15.52 0.01 2.60 0.46 0.10 81.30 Average: 7 14.68 0.01 2.45 0.50 0.10 82.27