---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1177 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): 4 On-line CPU(s) list: 0-3 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): 4 Stepping: 0 BogoMIPS: 5599.94 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 66G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 668 9335 4 5985 14978 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:0f:47:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.250/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84545sec preferred_lft 84545sec inet6 fe80::f816:3eff:fe0f:47b0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:5a:10:a5:80:0f 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1177) 04/08/26 _x86_64_ (4 CPU) 05:12:34 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:06 11.08 0.03 9.40 1.66 0.63 760.39 22253.89 05:40:01 38.51 0.19 33.78 4.54 5.86 8252.89 27725.89 Average: 24.68 0.11 21.49 3.09 3.23 4475.74 24967.32 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:06 9555832 13121452 2836652 17.33 132440 3552632 3055744 17.54 738740 5670596 232 05:40:01 6395476 12347692 3597604 21.97 174476 5781724 3757208 21.57 1648472 7805476 168908 Average: 7975654 12734572 3217128 19.65 153458 4667178 3406476 19.55 1193606 6738036 84570 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:06 lo 54.23 54.23 13.41 13.41 0.00 0.00 0.00 0.00 05:30:06 ens3 8.12 7.05 8.64 2.57 0.00 0.00 0.00 0.00 05:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 lo 2404.05 2404.05 2312.43 2312.43 0.00 0.00 0.00 0.00 05:40:01 ens3 67.84 54.82 470.81 14.47 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1219.45 1219.45 1153.44 1153.44 0.00 0.00 0.00 0.00 Average: ens3 37.73 30.74 237.82 8.48 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 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1177) 04/08/26 _x86_64_ (4 CPU) 05:12:34 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:06 all 19.28 0.00 0.83 0.12 0.08 79.70 05:30:06 0 19.64 0.00 0.76 0.24 0.08 79.27 05:30:06 1 19.26 0.00 0.79 0.03 0.09 79.83 05:30:06 2 19.07 0.00 0.91 0.12 0.08 79.82 05:30:06 3 19.14 0.00 0.84 0.07 0.08 79.86 05:40:01 all 53.65 0.00 2.68 0.35 0.09 43.23 05:40:01 0 52.32 0.00 2.34 0.57 0.09 44.68 05:40:01 1 52.91 0.00 3.36 0.30 0.10 43.33 05:40:01 2 55.57 0.00 2.58 0.18 0.09 41.59 05:40:01 3 53.78 0.00 2.46 0.34 0.09 43.32 Average: all 36.30 0.00 1.75 0.23 0.09 61.63 Average: 0 35.82 0.00 1.54 0.40 0.09 62.14 Average: 1 35.92 0.00 2.06 0.16 0.09 61.76 Average: 2 37.15 0.00 1.73 0.15 0.09 60.88 Average: 3 36.30 0.00 1.64 0.21 0.09 61.76