---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20127 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 729 10326 4 4933 14916 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:01:df:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.133/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84624sec preferred_lft 84624sec inet6 fe80::f816:3eff:fe01:dfcc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:61:61:eb:13:1c 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-20127) 05/25/26 _x86_64_ (4 CPU) 20:53:15 LINUX RESTART (4 CPU) 21:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:02 10.25 0.43 8.77 1.06 15.87 2090.97 2819.00 21:20:03 29.02 0.75 24.07 4.20 25.83 3782.15 4324.61 Average: 19.64 0.59 16.42 2.63 20.85 2936.88 3572.10 21:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:02 9803104 13535172 2421124 14.79 146532 3678192 2704020 15.52 702804 5443480 17376 21:20:03 10654600 15346576 603704 3.69 174424 4548452 1103436 6.33 960076 4246748 268 Average: 10228852 14440874 1512414 9.24 160478 4113322 1903728 10.93 831440 4845114 8822 21:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:02 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 21:10:02 ens3 56.17 44.01 98.40 16.07 0.00 0.00 0.00 0.00 21:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:03 lo 1699.14 1699.14 1612.31 1612.31 0.00 0.00 0.00 0.00 21:20:03 ens3 83.10 72.86 401.60 95.84 0.00 0.00 0.00 0.00 21:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 850.59 850.59 806.53 806.53 0.00 0.00 0.00 0.00 Average: ens3 69.64 58.44 250.06 55.97 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-20127) 05/25/26 _x86_64_ (4 CPU) 20:53:15 LINUX RESTART (4 CPU) 21:00:02 CPU %user %nice %system %iowait %steal %idle 21:10:02 all 72.12 0.00 2.31 0.05 0.15 25.38 21:10:02 0 71.03 0.00 2.49 0.03 0.15 26.30 21:10:02 1 71.87 0.00 2.04 0.03 0.15 25.90 21:10:02 2 72.92 0.00 2.33 0.01 0.15 24.59 21:10:02 3 72.65 0.00 2.35 0.11 0.15 24.73 21:20:03 all 51.47 0.00 2.41 0.52 0.16 45.44 21:20:03 0 50.18 0.00 2.33 0.72 0.19 46.59 21:20:03 1 53.20 0.00 2.56 0.55 0.15 43.54 21:20:03 2 51.48 0.00 2.50 0.23 0.14 45.66 21:20:03 3 51.04 0.00 2.25 0.57 0.17 45.97 Average: all 61.81 0.00 2.36 0.28 0.15 35.40 Average: 0 60.60 0.00 2.41 0.38 0.17 36.45 Average: 1 62.58 0.00 2.30 0.29 0.15 34.68 Average: 2 62.23 0.00 2.42 0.12 0.14 35.09 Average: 3 61.84 0.00 2.30 0.34 0.16 35.36