---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22560 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 68G 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 657 10577 4 4754 14989 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:71:5d:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84759sec preferred_lft 84759sec inet6 fe80::f816:3eff:fe71:5d7b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:b1:75:4d:43:b8 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-22560) 02/26/26 _x86_64_ (4 CPU) 20:29:08 LINUX RESTART (4 CPU) 20:30:34 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:34 35.41 2.90 17.96 14.55 163.90 4162.20 244201.73 20:50:01 30.15 0.76 25.91 3.49 22.81 3532.96 4462.41 Average: 32.85 1.86 21.83 9.17 95.30 3856.26 127636.70 20:30:34 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:34 10565948 13797512 2163124 13.21 129920 3230344 2709144 15.55 568772 4851072 42828 20:50:01 8627164 13013332 2938628 17.95 166856 4264032 3555552 20.41 876660 6401688 312428 Average: 9596556 13405422 2550876 15.58 148388 3747188 3132348 17.98 722716 5626380 177628 20:30:34 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:34 lo 1.30 1.30 0.14 0.14 0.00 0.00 0.00 0.00 20:40:34 ens3 109.73 87.34 769.12 21.22 0.00 0.00 0.00 0.00 20:40:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 1764.20 1764.20 1680.67 1680.67 0.00 0.00 0.00 0.00 20:50:01 ens3 85.01 63.05 430.61 16.75 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 858.45 858.45 817.24 817.24 0.00 0.00 0.00 0.00 Average: ens3 97.71 75.53 604.53 19.05 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-22560) 02/26/26 _x86_64_ (4 CPU) 20:29:08 LINUX RESTART (4 CPU) 20:30:34 CPU %user %nice %system %iowait %steal %idle 20:40:34 all 61.56 0.00 2.15 0.53 0.09 35.66 20:40:34 0 59.65 0.00 1.98 0.86 0.09 37.42 20:40:34 1 60.93 0.00 2.01 0.25 0.09 36.71 20:40:34 2 63.49 0.00 2.25 0.59 0.09 33.58 20:40:34 3 62.18 0.00 2.36 0.43 0.09 34.94 20:50:01 all 69.26 0.00 3.08 0.38 0.10 27.18 20:50:01 0 67.20 0.00 3.01 0.43 0.09 29.27 20:50:01 1 68.42 0.00 3.11 0.26 0.12 28.09 20:50:01 2 70.27 0.00 3.05 0.17 0.09 26.43 20:50:01 3 71.16 0.00 3.15 0.69 0.09 24.91 Average: all 65.30 0.00 2.60 0.46 0.09 31.55 Average: 0 63.32 0.00 2.48 0.65 0.09 33.46 Average: 1 64.57 0.00 2.55 0.26 0.10 32.53 Average: 2 66.78 0.00 2.63 0.38 0.09 30.11 Average: 3 66.52 0.00 2.75 0.56 0.09 30.09