---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17490 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 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 616 10242 4 5129 15029 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:2e:75:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84660sec preferred_lft 84660sec inet6 fe80::f816:3eff:fe2e:7543/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:48:34:5c:66:0c 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-17490) 02/19/26 _x86_64_ (4 CPU) 10:27:08 LINUX RESTART (4 CPU) 10:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:08 16.39 2.58 13.04 0.76 736.62 3455.51 41484.11 10:50:01 2.65 0.03 2.55 0.08 1.03 294.61 275.14 Average: 9.56 1.31 7.83 0.42 371.28 1885.62 21017.34 10:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:08 9354656 12658388 3302836 20.17 118524 3345624 3559100 20.43 682632 5980860 212 10:50:01 10120856 13530340 2430100 14.84 122108 3438640 2688416 15.43 707508 5194548 26336 Average: 9737756 13094364 2866468 17.51 120316 3392132 3123758 17.93 695070 5587704 13274 10:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:08 lo 0.41 0.41 0.04 0.04 0.00 0.00 0.00 0.00 10:40:08 ens3 77.56 52.62 836.97 6.63 0.00 0.00 0.00 0.00 10:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 0.50 0.50 0.37 0.37 0.00 0.00 0.00 0.00 10:50:01 ens3 4.81 3.24 2.23 0.92 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.45 0.45 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 41.43 28.10 422.39 3.79 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-17490) 02/19/26 _x86_64_ (4 CPU) 10:27:08 LINUX RESTART (4 CPU) 10:30:07 CPU %user %nice %system %iowait %steal %idle 10:40:08 all 54.32 0.00 1.19 0.81 0.13 43.56 10:40:08 0 53.13 0.00 1.29 0.83 0.13 44.62 10:40:08 1 51.36 0.00 1.37 1.10 0.12 46.04 10:40:08 2 51.81 0.00 1.08 0.80 0.12 46.18 10:40:08 3 60.96 0.00 1.01 0.51 0.13 37.39 10:50:01 all 46.58 0.00 0.52 0.11 0.10 52.70 10:50:01 0 51.74 0.00 0.53 0.04 0.10 47.59 10:50:01 1 41.97 0.00 0.48 0.01 0.09 57.45 10:50:01 2 35.46 0.00 0.54 0.22 0.08 63.70 10:50:01 3 57.12 0.00 0.52 0.17 0.11 42.08 Average: all 50.47 0.00 0.86 0.46 0.11 48.10 Average: 0 52.44 0.00 0.92 0.44 0.12 46.09 Average: 1 46.70 0.00 0.93 0.56 0.11 51.71 Average: 2 43.68 0.00 0.81 0.52 0.10 54.89 Average: 3 59.05 0.00 0.77 0.34 0.12 39.73