---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6696 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5599.94 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 682 10285 4 5021 14964 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:df:2f:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.91/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84514sec preferred_lft 84514sec inet6 fe80::f816:3eff:fedf:2f84/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:a7:b2:64:1d:65 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-6696) 03/21/26 _x86_64_ (4 CPU) 17:21:57 LINUX RESTART (4 CPU) 17:30:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:01 11.45 0.44 10.04 0.97 15.87 2535.99 236.51 17:50:19 29.75 0.76 24.75 4.24 26.09 3850.32 12963.60 Average: 20.86 0.61 17.60 2.65 21.12 3211.64 6779.02 17:30:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:01 9595472 13372196 2583232 15.78 152304 3717244 2765236 15.87 734964 5620380 18352 17:50:19 10564756 15346612 602220 3.68 179500 4629628 1105176 6.34 1000936 4291260 4 Average: 10080114 14359404 1592726 9.73 165902 4173436 1935206 11.11 867950 4955820 9178 17:30:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:01 lo 1.28 1.28 0.13 0.13 0.00 0.00 0.00 0.00 17:40:01 ens3 62.24 49.24 135.84 16.72 0.00 0.00 0.00 0.00 17:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:19 lo 1766.35 1766.35 1678.17 1678.17 0.00 0.00 0.00 0.00 17:50:19 ens3 96.03 82.14 398.80 100.28 0.00 0.00 0.00 0.00 17:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 908.64 908.64 862.75 862.75 0.00 0.00 0.00 0.00 Average: ens3 79.61 66.15 271.02 59.67 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-6696) 03/21/26 _x86_64_ (4 CPU) 17:21:57 LINUX RESTART (4 CPU) 17:30:16 CPU %user %nice %system %iowait %steal %idle 17:40:01 all 68.63 0.00 2.17 2.31 0.10 26.80 17:40:01 0 67.78 0.00 2.09 3.46 0.10 26.57 17:40:01 1 71.32 0.00 2.60 1.05 0.10 24.93 17:40:01 2 67.68 0.00 2.02 2.77 0.10 27.43 17:40:01 3 67.72 0.00 1.96 1.97 0.10 28.26 17:50:19 all 51.91 0.00 2.40 1.42 0.10 44.17 17:50:19 0 51.86 0.00 2.65 1.53 0.10 43.86 17:50:19 1 55.50 0.00 2.62 1.08 0.10 40.70 17:50:19 2 51.49 0.00 2.11 1.93 0.10 44.37 17:50:19 3 48.80 0.00 2.21 1.13 0.10 47.77 Average: all 60.04 0.00 2.28 1.85 0.10 35.73 Average: 0 59.60 0.00 2.38 2.47 0.10 35.46 Average: 1 63.19 0.00 2.61 1.07 0.10 33.04 Average: 2 59.36 0.00 2.07 2.34 0.10 36.14 Average: 3 58.00 0.00 2.08 1.54 0.10 38.28