---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19406 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: 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 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 625 10178 4 5185 15020 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:be:b2:be brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84703sec preferred_lft 84703sec inet6 fe80::f816:3eff:febe:b2be/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:c0:30:9a:57:07 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-19406) 02/20/26 _x86_64_ (4 CPU) 20:09:21 LINUX RESTART (4 CPU) 20:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:01 39.69 16.41 21.94 1.34 985.25 4700.13 43731.74 20:30:07 2.96 0.06 2.80 0.10 6.36 321.88 14.26 Average: 21.16 8.16 12.28 0.72 491.42 2491.39 21677.18 20:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:01 9880976 13209412 2751564 16.81 119740 3357704 3045112 17.48 718652 5422764 10208 20:30:07 9804748 13229552 2730672 16.68 123848 3441248 2904036 16.67 744512 5461608 18096 Average: 9842862 13219482 2741118 16.74 121794 3399476 2974574 17.07 731582 5442186 14152 20:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:01 lo 0.54 0.54 0.06 0.06 0.00 0.00 0.00 0.00 20:20:01 ens3 82.85 64.99 1093.07 10.30 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:07 lo 0.51 0.51 0.36 0.36 0.00 0.00 0.00 0.00 20:30:07 ens3 5.96 5.13 21.88 1.51 0.00 0.00 0.00 0.00 20:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.52 0.52 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 44.06 34.79 552.68 5.87 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-19406) 02/20/26 _x86_64_ (4 CPU) 20:09:21 LINUX RESTART (4 CPU) 20:10:07 CPU %user %nice %system %iowait %steal %idle 20:20:01 all 46.57 0.08 1.20 4.12 0.08 47.96 20:20:01 0 44.86 0.01 1.12 4.19 0.09 49.73 20:20:01 1 46.11 0.12 1.06 7.02 0.08 45.61 20:20:01 2 50.38 0.04 1.35 0.40 0.08 47.75 20:20:01 3 44.92 0.13 1.27 4.88 0.08 48.72 20:30:07 all 42.48 0.00 0.54 0.45 0.08 56.45 20:30:07 0 31.06 0.00 0.39 0.22 0.08 68.25 20:30:07 1 42.25 0.00 0.46 0.59 0.08 56.62 20:30:07 2 39.60 0.00 0.40 0.54 0.07 59.38 20:30:07 3 57.00 0.00 0.89 0.46 0.08 41.57 Average: all 44.51 0.04 0.87 2.27 0.08 52.24 Average: 0 37.90 0.00 0.76 2.19 0.08 59.06 Average: 1 44.16 0.06 0.76 3.78 0.08 51.16 Average: 2 44.95 0.02 0.87 0.47 0.08 53.60 Average: 3 51.01 0.07 1.07 2.65 0.08 45.12