---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54060 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: 5599.99 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: 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 10G 68G 13% / 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 667 10842 4 4479 14979 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:d5:9d:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84703sec preferred_lft 84703sec inet6 fe80::f816:3eff:fed5:9d55/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:c7:6a:9f:e7:fa 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-54060) 03/29/26 _x86_64_ (4 CPU) 20:53:28 LINUX RESTART (4 CPU) 21:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 45.77 2.59 36.37 6.81 143.75 4261.06 8661.55 21:20:10 34.08 0.30 27.77 6.00 11.67 3429.46 8648.94 Average: 39.84 1.43 32.01 6.40 76.75 3839.18 8655.15 21:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10223256 13805216 2153360 13.15 161480 3535448 2507556 14.39 715376 5049108 112884 21:20:10 11164112 15389192 563876 3.44 204792 4080232 1105712 6.35 927436 3813044 176 Average: 10693684 14597204 1358618 8.30 183136 3807840 1806634 10.37 821406 4431076 56530 21:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 3872.00 3872.00 3692.00 3692.00 0.00 0.00 0.00 0.00 21:10:01 ens3 155.90 116.84 773.92 31.76 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:10 lo 2430.20 2430.20 2302.73 2302.73 0.00 0.00 0.00 0.00 21:20:10 ens3 120.36 112.41 122.98 167.38 0.00 0.00 0.00 0.00 21:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3140.56 3140.56 2987.21 2987.21 0.00 0.00 0.00 0.00 Average: ens3 137.87 114.59 443.69 100.56 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-54060) 03/29/26 _x86_64_ (4 CPU) 20:53:28 LINUX RESTART (4 CPU) 21:00:10 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 58.57 0.00 3.47 0.10 0.08 37.77 21:10:01 0 58.10 0.00 3.67 0.09 0.09 38.06 21:10:01 1 59.10 0.00 3.10 0.08 0.08 37.64 21:10:01 2 58.53 0.00 3.75 0.14 0.09 37.48 21:10:01 3 58.55 0.00 3.38 0.10 0.08 37.89 21:20:10 all 43.91 0.00 2.40 0.08 0.08 53.53 21:20:10 0 42.33 0.00 1.94 0.06 0.08 55.60 21:20:10 1 47.93 0.00 2.96 0.07 0.08 48.96 21:20:10 2 42.34 0.00 2.25 0.15 0.08 55.17 21:20:10 3 43.02 0.00 2.46 0.05 0.08 54.38 Average: all 51.12 0.00 2.93 0.09 0.08 45.77 Average: 0 50.08 0.00 2.79 0.07 0.08 46.98 Average: 1 53.42 0.00 3.03 0.07 0.08 43.39 Average: 2 50.31 0.00 2.99 0.15 0.08 46.47 Average: 3 50.67 0.00 2.92 0.07 0.08 46.26