---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13172 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 9.2G 69G 12% / 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 632 11748 4 3608 15013 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:f8:28:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84408sec preferred_lft 84408sec inet6 fe80::f816:3eff:fef8:281d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:34:8c:6b:a8:57 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-13172) 02/18/26 _x86_64_ (4 CPU) 06:43:32 LINUX RESTART (4 CPU) 06:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:01 38.96 4.24 34.06 0.66 249.57 3707.90 1086.33 07:10:01 3.72 0.07 3.49 0.16 6.91 526.90 122.61 Average: 21.20 2.14 18.66 0.41 127.33 2105.51 600.87 06:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:01 10257168 13377484 2585604 15.79 112464 3180316 2928028 16.81 652572 5113432 592 07:10:01 10398704 13696928 2265308 13.84 118492 3337352 2772316 15.91 703400 4919940 29124 Average: 10327936 13537206 2425456 14.81 115478 3258834 2850172 16.36 677986 5016686 14858 06:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:01 lo 0.37 0.37 0.03 0.03 0.00 0.00 0.00 0.00 07:00:01 ens3 84.69 62.67 857.17 11.13 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:01 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 07:10:01 ens3 10.39 7.76 36.55 2.51 0.00 0.00 0.00 0.00 07:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.49 0.49 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 47.26 35.01 443.79 6.79 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-13172) 02/18/26 _x86_64_ (4 CPU) 06:43:32 LINUX RESTART (4 CPU) 06:50:09 CPU %user %nice %system %iowait %steal %idle 07:00:01 all 19.98 0.00 0.75 0.25 0.05 78.97 07:00:01 0 16.28 0.00 0.71 0.06 0.04 82.92 07:00:01 1 20.86 0.00 0.85 0.35 0.05 77.88 07:00:01 2 21.75 0.00 0.92 0.53 0.05 76.75 07:00:01 3 21.04 0.00 0.51 0.07 0.04 78.34 07:10:01 all 49.85 0.00 0.66 0.02 0.08 49.39 07:10:01 0 40.42 0.00 0.59 0.03 0.08 58.89 07:10:01 1 40.26 0.00 0.57 0.01 0.08 59.08 07:10:01 2 50.18 0.00 0.67 0.01 0.07 49.06 07:10:01 3 68.57 0.00 0.81 0.02 0.08 30.52 Average: all 35.03 0.00 0.71 0.13 0.06 64.07 Average: 0 28.43 0.00 0.65 0.04 0.06 70.82 Average: 1 30.65 0.00 0.71 0.18 0.06 68.39 Average: 2 36.08 0.00 0.80 0.27 0.06 62.79 Average: 3 44.94 0.00 0.66 0.04 0.06 54.29