---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1002 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: 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: 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 11G 68G 14% / 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 645 10627 4 4716 15001 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:62:cd:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84363sec preferred_lft 84363sec inet6 fe80::f816:3eff:fe62:cdef/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:a3:e9:00:3f:f7 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-1002) 04/07/26 _x86_64_ (4 CPU) 14:31:57 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:01 46.39 4.14 40.97 1.28 256.76 5008.01 1245.54 15:00:01 28.86 0.77 24.67 3.42 27.99 3351.21 14082.39 Average: 37.62 2.45 32.82 2.35 142.38 4179.68 7663.43 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:01 10880096 14076196 1884868 11.51 128376 3201748 2474724 14.20 543004 4575040 22104 15:00:01 8681012 13025312 2926848 17.88 170860 4224188 3309564 19.00 857712 6356336 261052 Average: 9780554 13550754 2405858 14.69 149618 3712968 2892144 16.60 700358 5465688 141578 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:01 lo 1.17 1.17 0.12 0.12 0.00 0.00 0.00 0.00 14:50:01 ens3 131.56 101.48 917.84 23.59 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 1659.28 1659.28 1581.88 1581.88 0.00 0.00 0.00 0.00 15:00:01 ens3 94.68 71.32 414.18 19.37 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 830.16 830.16 790.94 790.94 0.00 0.00 0.00 0.00 Average: ens3 113.12 86.40 666.03 21.48 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-1002) 04/07/26 _x86_64_ (4 CPU) 14:31:57 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:01 all 51.71 0.00 1.89 0.27 0.08 46.06 14:50:01 0 51.93 0.00 1.96 0.45 0.08 45.58 14:50:01 1 52.10 0.00 2.01 0.17 0.08 45.64 14:50:01 2 52.57 0.00 1.82 0.34 0.08 45.19 14:50:01 3 50.24 0.00 1.75 0.11 0.09 47.81 15:00:01 all 69.34 0.00 2.72 0.05 0.10 27.79 15:00:01 0 68.43 0.00 2.64 0.06 0.10 28.78 15:00:01 1 68.49 0.00 2.86 0.08 0.10 28.46 15:00:01 2 71.63 0.00 2.82 0.03 0.10 25.42 15:00:01 3 68.80 0.00 2.56 0.04 0.10 28.51 Average: all 60.52 0.00 2.30 0.16 0.09 36.93 Average: 0 60.17 0.00 2.30 0.25 0.09 37.19 Average: 1 60.29 0.00 2.44 0.13 0.09 37.05 Average: 2 62.10 0.00 2.32 0.18 0.09 35.31 Average: 3 59.51 0.00 2.15 0.07 0.09 38.17