---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-8491 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 20G 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 720 18433 4 12938 30904 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:df:4d:fd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.223/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85572sec preferred_lft 85572sec inet6 fe80::f816:3eff:fedf:4dfd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:a2:45:40:a3:18 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::f0a2:45ff:fe40:a318/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-8491) 05/06/26 _x86_64_ (8 CPU) 03:48:22 LINUX RESTART (8 CPU) 03:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:00:24 129.14 2.06 122.21 4.87 262.51 36923.67 5062.26 Average: 129.14 2.06 122.21 4.87 262.51 36923.67 5062.26 03:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:00:24 14866536 27901108 4321196 13.15 241040 12678000 11583648 34.16 1496800 15527852 108 Average: 14866536 27901108 4321196 13.15 241040 12678000 11583648 34.16 1496800 15527852 108 03:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:00:24 lo 1.26 1.26 0.10 0.10 0.00 0.00 0.00 0.00 04:00:24 ens3 237.76 135.46 5362.25 11.33 0.00 0.00 0.00 0.00 04:00:24 docker0 3.96 8.87 0.37 134.22 0.00 0.00 0.00 0.00 04:00:24 br-c05d2ac1a50e 1.24 1.45 0.09 35.00 0.00 0.00 0.00 0.00 04:00:24 veth7082f31 0.55 0.67 0.06 1.08 0.00 0.00 0.00 0.00 04:00:24 veth636c082 123.25 125.99 28.24 14.41 0.00 0.00 0.00 0.00 04:00:24 veth635df91 0.10 0.22 0.81 0.02 0.00 0.00 0.00 0.00 04:00:24 vethf0098cc 0.74 1.12 0.11 0.13 0.00 0.00 0.00 0.00 04:00:24 vetha46b8b4 1.11 1.51 0.09 35.01 0.00 0.00 0.00 0.00 04:00:24 vethf9f1a1e 37.22 26.53 3.22 3.90 0.00 0.00 0.00 0.00 04:00:24 vethbf11f27 36.37 36.29 5.08 8.30 0.00 0.00 0.00 0.00 04:00:24 veth329c662 88.52 90.61 10.29 19.89 0.00 0.00 0.00 0.00 04:00:24 vethe942858 3.10 4.41 0.51 0.39 0.00 0.00 0.00 0.00 04:00:24 veth1caac7e 16.44 23.66 2.54 2.69 0.00 0.00 0.00 0.00 04:00:24 veth78c6e68 1.42 1.12 0.16 0.41 0.00 0.00 0.00 0.00 Average: lo 1.26 1.26 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 237.76 135.46 5362.25 11.33 0.00 0.00 0.00 0.00 Average: docker0 3.96 8.87 0.37 134.22 0.00 0.00 0.00 0.00 Average: br-c05d2ac1a50e 1.24 1.45 0.09 35.00 0.00 0.00 0.00 0.00 Average: veth7082f31 0.55 0.67 0.06 1.08 0.00 0.00 0.00 0.00 Average: veth636c082 123.25 125.99 28.24 14.41 0.00 0.00 0.00 0.00 Average: veth635df91 0.10 0.22 0.81 0.02 0.00 0.00 0.00 0.00 Average: vethf0098cc 0.74 1.12 0.11 0.13 0.00 0.00 0.00 0.00 Average: vetha46b8b4 1.11 1.51 0.09 35.01 0.00 0.00 0.00 0.00 Average: vethf9f1a1e 37.22 26.53 3.22 3.90 0.00 0.00 0.00 0.00 Average: vethbf11f27 36.37 36.29 5.08 8.30 0.00 0.00 0.00 0.00 Average: veth329c662 88.52 90.61 10.29 19.89 0.00 0.00 0.00 0.00 Average: vethe942858 3.10 4.41 0.51 0.39 0.00 0.00 0.00 0.00 Average: veth1caac7e 16.44 23.66 2.54 2.69 0.00 0.00 0.00 0.00 Average: veth78c6e68 1.42 1.12 0.16 0.41 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-8491) 05/06/26 _x86_64_ (8 CPU) 03:48:22 LINUX RESTART (8 CPU) 03:50:01 CPU %user %nice %system %iowait %steal %idle 04:00:24 all 8.26 0.00 2.16 9.70 0.07 79.81 04:00:24 0 8.88 0.00 2.18 6.48 0.06 82.40 04:00:24 1 9.45 0.00 2.26 6.03 0.07 82.19 04:00:24 2 7.95 0.00 2.10 12.00 0.07 77.88 04:00:24 3 7.99 0.00 2.19 32.42 0.07 57.34 04:00:24 4 7.47 0.00 1.99 3.54 0.06 86.93 04:00:24 5 8.73 0.00 2.26 7.58 0.07 81.36 04:00:24 6 7.79 0.00 2.32 4.55 0.07 85.27 04:00:24 7 7.80 0.00 2.02 5.06 0.07 85.06 Average: all 8.26 0.00 2.16 9.70 0.07 79.81 Average: 0 8.88 0.00 2.18 6.48 0.06 82.40 Average: 1 9.45 0.00 2.26 6.03 0.07 82.19 Average: 2 7.95 0.00 2.10 12.00 0.07 77.88 Average: 3 7.99 0.00 2.19 32.42 0.07 57.34 Average: 4 7.47 0.00 1.99 3.54 0.06 86.93 Average: 5 8.73 0.00 2.26 7.58 0.07 81.36 Average: 6 7.79 0.00 2.32 4.55 0.07 85.27 Average: 7 7.80 0.00 2.02 5.06 0.07 85.06