---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36642 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: 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 647 10234 4 5107 14999 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:c6:38:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84732sec preferred_lft 84732sec inet6 fe80::f816:3eff:fec6:38a1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:46:27:10:c7:45 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-36642) 07/17/26 _x86_64_ (4 CPU) 12:02:21 LINUX RESTART (4 CPU) 12:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:02 3.43 0.06 3.21 0.16 6.71 557.21 313.87 12:30:02 26.84 0.67 23.34 2.82 31.32 6550.17 6564.31 Average: 15.13 0.37 13.27 1.49 19.00 3551.02 3436.30 12:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:02 9264564 12524468 3437492 20.99 117816 3292432 3639068 20.89 566764 6179288 224 12:30:02 10470560 15354452 600564 3.67 142520 4828808 1109328 6.37 974744 4492412 18736 Average: 9867562 13939460 2019028 12.33 130168 4060620 2374198 13.63 770754 5335850 9480 12:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:02 lo 0.57 0.57 0.37 0.37 0.00 0.00 0.00 0.00 12:20:02 ens3 11.68 8.35 35.57 2.28 0.00 0.00 0.00 0.00 12:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:02 lo 483.71 483.71 458.22 458.22 0.00 0.00 0.00 0.00 12:30:02 ens3 71.63 57.03 536.64 87.33 0.00 0.00 0.00 0.00 12:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 241.93 241.93 229.09 229.09 0.00 0.00 0.00 0.00 Average: ens3 41.63 32.67 285.88 44.77 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-36642) 07/17/26 _x86_64_ (4 CPU) 12:02:21 LINUX RESTART (4 CPU) 12:10:01 CPU %user %nice %system %iowait %steal %idle 12:20:02 all 45.41 0.00 0.63 0.02 0.09 53.86 12:20:02 0 58.59 0.00 0.71 0.05 0.10 40.55 12:20:02 1 41.54 0.00 0.56 0.00 0.09 57.80 12:20:02 2 35.28 0.00 0.56 0.01 0.08 64.06 12:20:02 3 46.25 0.00 0.67 0.00 0.09 52.99 12:30:02 all 55.00 0.00 1.66 0.42 0.11 42.81 12:30:02 0 49.65 0.00 1.56 0.40 0.11 48.28 12:30:02 1 55.51 0.00 1.67 0.45 0.11 42.26 12:30:02 2 51.22 0.00 1.65 0.52 0.10 46.51 12:30:02 3 63.62 0.00 1.77 0.32 0.12 34.18 Average: all 50.19 0.00 1.14 0.22 0.10 48.35 Average: 0 54.13 0.00 1.14 0.22 0.11 44.41 Average: 1 48.50 0.00 1.11 0.23 0.10 50.06 Average: 2 43.23 0.00 1.11 0.27 0.09 55.30 Average: 3 54.92 0.00 1.22 0.16 0.10 43.60