---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-12986 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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 19G 136G 13% / 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 786 18683 4 12622 30838 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:63:dc:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.149/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85686sec preferred_lft 85686sec inet6 fe80::f816:3eff:fe63:dca6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:46:f0:01:2b:c6 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 ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-12986) 07/27/26 _x86_64_ (8 CPU) 15:09:45 LINUX RESTART (8 CPU) 15:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:00 190.63 14.30 170.64 5.70 2018.82 49237.89 7146.03 Average: 190.63 14.30 170.64 5.70 2018.82 49237.89 7146.03 15:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:00 13155480 26044412 6190228 18.84 266172 12468320 15033988 44.33 1656368 17090460 100 Average: 13155480 26044412 6190228 18.84 266172 12468320 15033988 44.33 1656368 17090460 100 15:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:00 lo 2.01 2.01 0.26 0.26 0.00 0.00 0.00 0.00 15:20:00 ens3 353.86 173.96 5553.16 30.91 0.00 0.00 0.00 0.00 15:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:00 br-90878417ab6f 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 15:20:00 veth1a28c56 0.01 0.03 0.00 0.00 0.00 0.00 0.00 0.00 15:20:00 br-a135326babf8 16.12 17.06 14.45 49.37 0.00 0.00 0.06 0.00 15:20:00 vethc3e3ec1 0.82 1.28 0.13 0.18 0.00 0.00 0.00 0.00 15:20:00 veth8312209 0.01 0.17 0.00 0.04 0.00 0.00 0.00 0.00 15:20:00 veth121469a 0.01 0.16 0.00 0.04 0.00 0.00 0.00 0.00 15:20:00 veth5205126 9.23 10.97 5.35 1.89 0.00 0.00 0.00 0.00 15:20:00 veth26952f6 2.38 2.31 0.29 12.96 0.00 0.00 0.00 0.00 15:20:00 veth08c2005 0.27 0.36 0.03 0.46 0.00 0.00 0.00 0.00 15:20:00 veth8b8b211 17.44 13.16 1.81 1.75 0.00 0.00 0.00 0.00 15:20:00 vethf813f13 5.89 5.30 2.53 4.92 0.00 0.00 0.00 0.00 15:20:00 vethda7466b 1.39 2.50 0.11 34.87 0.00 0.00 0.00 0.00 15:20:00 vethf629a85 17.28 21.27 8.70 2.05 0.00 0.00 0.00 0.00 15:20:00 veth068b52c 11.51 11.32 6.58 1.46 0.00 0.00 0.00 0.00 15:20:00 veth45820d2 0.23 0.26 0.02 0.07 0.00 0.00 0.00 0.00 15:20:00 br-b03f97c6bd23 0.36 0.97 0.04 0.49 0.00 0.00 0.00 0.00 15:20:00 vetheadc8a9 14.93 15.58 1.31 33.19 0.00 0.00 0.00 0.00 15:20:00 vethf0593ca 15.89 15.91 33.23 1.81 0.00 0.00 0.00 0.00 15:20:00 br-31f826b8068a 0.92 0.32 0.47 0.04 0.00 0.00 0.00 0.00 15:20:00 veth7652850 0.92 0.34 0.49 0.04 0.00 0.00 0.00 0.00 Average: lo 2.01 2.01 0.26 0.26 0.00 0.00 0.00 0.00 Average: ens3 353.86 173.96 5553.16 30.91 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-90878417ab6f 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth1a28c56 0.01 0.03 0.00 0.00 0.00 0.00 0.00 0.00 Average: br-a135326babf8 16.12 17.06 14.45 49.37 0.00 0.00 0.06 0.00 Average: vethc3e3ec1 0.82 1.28 0.13 0.18 0.00 0.00 0.00 0.00 Average: veth8312209 0.01 0.17 0.00 0.04 0.00 0.00 0.00 0.00 Average: veth121469a 0.01 0.16 0.00 0.04 0.00 0.00 0.00 0.00 Average: veth5205126 9.23 10.97 5.35 1.89 0.00 0.00 0.00 0.00 Average: veth26952f6 2.38 2.31 0.29 12.96 0.00 0.00 0.00 0.00 Average: veth08c2005 0.27 0.36 0.03 0.46 0.00 0.00 0.00 0.00 Average: veth8b8b211 17.44 13.16 1.81 1.75 0.00 0.00 0.00 0.00 Average: vethf813f13 5.89 5.30 2.53 4.92 0.00 0.00 0.00 0.00 Average: vethda7466b 1.39 2.50 0.11 34.87 0.00 0.00 0.00 0.00 Average: vethf629a85 17.28 21.27 8.70 2.05 0.00 0.00 0.00 0.00 Average: veth068b52c 11.51 11.32 6.58 1.46 0.00 0.00 0.00 0.00 Average: veth45820d2 0.23 0.26 0.02 0.07 0.00 0.00 0.00 0.00 Average: br-b03f97c6bd23 0.36 0.97 0.04 0.49 0.00 0.00 0.00 0.00 Average: vetheadc8a9 14.93 15.58 1.31 33.19 0.00 0.00 0.00 0.00 Average: vethf0593ca 15.89 15.91 33.23 1.81 0.00 0.00 0.00 0.00 Average: br-31f826b8068a 0.92 0.32 0.47 0.04 0.00 0.00 0.00 0.00 Average: veth7652850 0.92 0.34 0.49 0.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-12986) 07/27/26 _x86_64_ (8 CPU) 15:09:45 LINUX RESTART (8 CPU) 15:10:00 CPU %user %nice %system %iowait %steal %idle 15:20:00 all 17.88 0.00 2.89 0.69 0.13 78.42 15:20:00 0 18.50 0.00 3.08 0.81 0.12 77.48 15:20:00 1 15.74 0.00 2.67 1.07 0.11 80.40 15:20:00 2 19.84 0.00 2.98 0.56 0.12 76.50 15:20:00 3 20.89 0.00 2.78 0.55 0.12 75.66 15:20:00 4 17.45 0.00 2.74 0.88 0.20 78.74 15:20:00 5 16.00 0.00 2.83 0.53 0.12 80.52 15:20:00 6 17.80 0.00 2.93 0.58 0.12 78.58 15:20:00 7 16.78 0.00 3.13 0.52 0.11 79.45 Average: all 17.88 0.00 2.89 0.69 0.13 78.42 Average: 0 18.50 0.00 3.08 0.81 0.12 77.48 Average: 1 15.74 0.00 2.67 1.07 0.11 80.40 Average: 2 19.84 0.00 2.98 0.56 0.12 76.50 Average: 3 20.89 0.00 2.78 0.55 0.12 75.66 Average: 4 17.45 0.00 2.74 0.88 0.20 78.74 Average: 5 16.00 0.00 2.83 0.53 0.12 80.52 Average: 6 17.80 0.00 2.93 0.58 0.12 78.58 Average: 7 16.78 0.00 3.13 0.52 0.11 79.45