---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20633 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 11G 67G 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 746 9746 4 5496 14900 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:b8:35:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.234/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84587sec preferred_lft 84587sec inet6 fe80::f816:3eff:feb8:356e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:a7:7f:8e:f4:f9 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20633) 02/25/26 _x86_64_ (4 CPU) 12:37:58 LINUX RESTART (4 CPU) 12:40:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:01 24.41 2.78 19.82 1.81 155.03 4905.71 6443.19 13:00:29 33.41 0.06 29.94 3.41 1.40 5783.72 15271.22 Average: 29.12 1.36 25.11 2.65 74.66 5365.03 11061.50 12:40:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:01 9543752 13114560 2842460 17.36 153660 3512940 3076404 17.66 708700 5701716 10568 13:00:29 7921416 12935648 3014556 18.41 187512 4846992 3335056 19.14 1016164 6932732 30644 Average: 8732584 13025104 2928508 17.89 170586 4179966 3205730 18.40 862432 6317224 20606 12:40:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:01 lo 852.56 852.56 812.34 812.34 0.00 0.00 0.00 0.00 12:50:01 ens3 114.98 86.10 825.39 18.14 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:29 lo 1374.68 1374.68 1309.26 1309.26 0.00 0.00 0.00 0.00 13:00:29 ens3 56.35 44.98 220.29 13.33 0.00 0.00 0.00 0.00 13:00:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1125.71 1125.71 1072.30 1072.30 0.00 0.00 0.00 0.00 Average: ens3 84.30 64.59 508.84 15.63 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20633) 02/25/26 _x86_64_ (4 CPU) 12:37:58 LINUX RESTART (4 CPU) 12:40:29 CPU %user %nice %system %iowait %steal %idle 12:50:01 all 62.21 0.00 2.20 1.21 0.10 34.28 12:50:01 0 62.31 0.00 1.78 1.29 0.10 34.52 12:50:01 1 62.61 0.00 2.28 1.30 0.10 33.71 12:50:01 2 59.53 0.00 2.05 0.72 0.10 37.60 12:50:01 3 64.41 0.00 2.67 1.52 0.10 31.30 13:00:29 all 55.72 0.00 2.38 0.15 0.09 41.67 13:00:29 0 56.14 0.00 2.00 0.06 0.09 41.71 13:00:29 1 57.99 0.00 2.51 0.08 0.09 39.32 13:00:29 2 56.48 0.00 2.62 0.25 0.09 40.56 13:00:29 3 52.26 0.00 2.37 0.20 0.09 45.08 Average: all 58.81 0.00 2.29 0.65 0.10 38.15 Average: 0 59.08 0.00 1.89 0.65 0.10 38.28 Average: 1 60.20 0.00 2.40 0.67 0.10 36.64 Average: 2 57.93 0.00 2.35 0.48 0.09 39.15 Average: 3 58.05 0.00 2.51 0.83 0.10 38.51