---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-921 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 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 699 10322 4 4966 14946 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:49:f1:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.11/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84185sec preferred_lft 84185sec inet6 fe80::f816:3eff:fe49:f1f2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:87:00:dc:75:14 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-921) 07/31/26 _x86_64_ (4 CPU) 16:02:26 LINUX RESTART (4 CPU) 16:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:20:11 10.31 1.89 7.92 0.49 121.99 2259.13 1056.45 16:30:11 20.07 0.78 17.31 1.98 27.96 3223.71 3774.89 Average: 15.15 1.34 12.58 1.23 75.38 2737.29 2404.03 16:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:20:11 10701568 14065320 1894028 11.57 130588 3350340 2555656 14.67 601076 4681648 33808 16:30:11 9121564 13377016 2574168 15.72 168200 4125652 2762460 15.86 825788 5937060 9156 Average: 9911566 13721168 2234098 13.64 149394 3737996 2659058 15.26 713432 5309354 21482 16:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:20:11 lo 0.66 0.66 0.06 0.06 0.00 0.00 0.00 0.00 16:20:11 ens3 74.53 61.99 672.81 12.46 0.00 0.00 0.00 0.00 16:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:11 lo 749.68 749.68 714.15 714.15 0.00 0.00 0.00 0.00 16:30:11 ens3 78.44 60.35 329.10 17.57 0.00 0.00 0.00 0.00 16:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 371.96 371.96 354.05 354.05 0.00 0.00 0.00 0.00 Average: ens3 76.47 61.17 502.42 14.99 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-921) 07/31/26 _x86_64_ (4 CPU) 16:02:26 LINUX RESTART (4 CPU) 16:10:01 CPU %user %nice %system %iowait %steal %idle 16:20:11 all 36.89 0.00 1.14 0.04 0.06 61.87 16:20:11 0 35.65 0.00 1.34 0.03 0.06 62.92 16:20:11 1 35.83 0.00 1.00 0.06 0.06 63.05 16:20:11 2 38.62 0.00 1.15 0.02 0.06 60.15 16:20:11 3 37.47 0.00 1.06 0.03 0.06 61.38 16:30:11 all 70.54 0.00 2.55 0.05 0.10 26.77 16:30:11 0 68.29 0.00 2.47 0.04 0.09 29.10 16:30:11 1 73.49 0.00 2.61 0.05 0.10 23.75 16:30:11 2 69.98 0.00 2.79 0.05 0.10 27.09 16:30:11 3 70.39 0.00 2.32 0.05 0.09 27.15 Average: all 53.55 0.00 1.84 0.04 0.08 44.50 Average: 0 51.82 0.00 1.90 0.04 0.08 46.16 Average: 1 54.48 0.00 1.80 0.06 0.08 43.58 Average: 2 54.12 0.00 1.96 0.03 0.08 43.81 Average: 3 53.77 0.00 1.68 0.04 0.08 44.43