---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-24972 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 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 10336 4 4970 14963 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:26:21:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.161/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84948sec preferred_lft 84948sec inet6 fe80::f816:3eff:fe26:21d8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:0b:ed:63:60:9b 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-24972) 03/01/26 _x86_64_ (4 CPU) 16:48:29 LINUX RESTART (4 CPU) 16:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:19 22.60 3.17 17.96 1.47 549.55 4588.74 6368.85 17:10:04 31.38 0.95 26.11 4.32 30.93 4652.95 11708.64 Average: 26.87 2.09 21.92 2.86 297.45 4619.96 8964.55 16:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:19 9952176 13501820 2456552 15.00 140764 3525556 2747444 15.77 738348 5282088 29616 17:10:04 10643296 15371404 578644 3.53 174232 4584648 1115492 6.40 1056244 4170676 188 Average: 10297736 14436612 1517598 9.27 157498 4055102 1931468 11.09 897296 4726382 14902 16:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:19 lo 1.45 1.45 0.15 0.15 0.00 0.00 0.00 0.00 17:00:19 ens3 125.57 97.16 818.72 22.42 0.00 0.00 0.00 0.00 17:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:04 lo 1582.38 1582.38 1500.90 1500.90 0.00 0.00 0.00 0.00 17:10:04 ens3 104.21 87.89 438.96 100.26 0.00 0.00 0.00 0.00 17:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 769.95 769.95 729.67 729.67 0.00 0.00 0.00 0.00 Average: ens3 115.19 92.66 634.12 60.26 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-24972) 03/01/26 _x86_64_ (4 CPU) 16:48:29 LINUX RESTART (4 CPU) 16:50:01 CPU %user %nice %system %iowait %steal %idle 17:00:19 all 70.20 0.00 2.34 0.09 0.12 27.26 17:00:19 0 69.89 0.00 2.28 0.10 0.12 27.61 17:00:19 1 67.66 0.00 2.22 0.11 0.11 29.89 17:00:19 2 72.78 0.00 2.66 0.06 0.12 24.39 17:00:19 3 70.47 0.00 2.18 0.10 0.12 27.13 17:10:04 all 61.22 0.00 2.55 0.11 0.11 36.01 17:10:04 0 60.23 0.00 2.41 0.04 0.12 37.21 17:10:04 1 60.75 0.00 2.42 0.12 0.11 36.60 17:10:04 2 57.83 0.00 2.40 0.22 0.11 39.43 17:10:04 3 66.05 0.00 2.96 0.07 0.11 30.81 Average: all 65.83 0.00 2.44 0.10 0.11 31.51 Average: 0 65.19 0.00 2.34 0.07 0.12 32.28 Average: 1 64.31 0.00 2.32 0.12 0.11 33.15 Average: 2 65.51 0.00 2.53 0.14 0.11 31.70 Average: 3 68.32 0.00 2.56 0.09 0.12 28.92