---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10271 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 691 10245 4 5052 14955 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:5c:a7:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84602sec preferred_lft 84602sec inet6 fe80::f816:3eff:fe5c:a734/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:f9:96:b2:3a:ed 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-10271) 02/13/26 _x86_64_ (4 CPU) 20:47:38 LINUX RESTART (4 CPU) 20:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:00:19 27.86 13.95 12.92 0.99 649.81 2965.89 3853.20 21:10:05 22.54 0.86 19.25 2.43 28.71 3543.80 8019.83 Average: 25.25 7.53 16.03 1.70 345.28 3249.25 5896.13 20:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:00:19 10578468 13960844 1998392 12.21 130408 3375332 2356592 13.53 694048 4718284 27504 21:10:05 8978344 13315796 2634428 16.09 171348 4205428 2743136 15.75 939412 5976656 9692 Average: 9778406 13638320 2316410 14.15 150878 3790380 2549864 14.64 816730 5347470 18598 20:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:00:19 lo 0.76 0.76 0.08 0.08 0.00 0.00 0.00 0.00 21:00:19 ens3 84.87 67.96 863.93 14.09 0.00 0.00 0.00 0.00 21:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:05 lo 1075.11 1075.11 1023.48 1023.48 0.00 0.00 0.00 0.00 21:10:05 ens3 85.61 64.35 368.35 18.02 0.00 0.00 0.00 0.00 21:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 527.52 527.52 501.86 501.86 0.00 0.00 0.00 0.00 Average: ens3 85.24 66.19 620.94 16.01 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-10271) 02/13/26 _x86_64_ (4 CPU) 20:47:38 LINUX RESTART (4 CPU) 20:50:09 CPU %user %nice %system %iowait %steal %idle 21:00:19 all 39.98 0.07 1.45 0.21 0.07 58.23 21:00:19 0 39.51 0.19 1.22 0.36 0.07 58.65 21:00:19 1 40.28 0.01 1.41 0.18 0.07 58.05 21:00:19 2 40.20 0.08 1.58 0.16 0.07 57.92 21:00:19 3 39.91 0.02 1.57 0.14 0.07 58.29 21:10:05 all 70.33 0.00 2.59 0.07 0.09 26.92 21:10:05 0 68.27 0.00 2.44 0.10 0.09 29.10 21:10:05 1 72.38 0.00 2.70 0.06 0.10 24.77 21:10:05 2 69.97 0.00 2.80 0.06 0.10 27.07 21:10:05 3 70.69 0.00 2.41 0.05 0.09 26.76 Average: all 54.85 0.04 2.01 0.14 0.08 42.89 Average: 0 53.61 0.09 1.82 0.23 0.08 44.17 Average: 1 56.01 0.01 2.05 0.12 0.08 41.74 Average: 2 54.78 0.04 2.18 0.11 0.08 42.81 Average: 3 55.00 0.01 1.98 0.10 0.08 42.83