---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26564 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 12G 66G 15% / 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 685 9133 4 6169 14960 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:bf:c7:e2 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 84397sec preferred_lft 84397sec inet6 fe80::f816:3eff:febf:c7e2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:e2:b0:bd:ea:b4 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-26564) 06/11/26 _x86_64_ (4 CPU) 01:06:21 LINUX RESTART (4 CPU) 01:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 29.34 2.99 23.09 3.26 556.98 4053.13 30769.02 01:30:11 19.79 0.16 17.00 2.64 4.83 1650.07 28388.46 Average: 24.49 1.55 20.00 2.94 276.49 2832.40 29559.72 01:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9342712 13086956 2871036 17.54 133788 3722256 3118812 17.90 815588 5798044 31112 01:30:11 9077188 13180352 2773980 16.94 153684 4034228 2919740 16.76 936452 5931312 28460 Average: 9209950 13133654 2822508 17.24 143736 3878242 3019276 17.33 876020 5864678 29786 01:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 18.97 18.97 4.07 4.07 0.00 0.00 0.00 0.00 01:20:01 ens3 79.17 61.64 765.89 12.28 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:11 lo 1139.42 1139.42 1055.44 1055.44 0.00 0.00 0.00 0.00 01:30:11 ens3 38.27 26.94 258.67 5.99 0.00 0.00 0.00 0.00 01:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 588.15 588.15 538.15 538.15 0.00 0.00 0.00 0.00 Average: ens3 58.39 44.01 508.23 9.08 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-26564) 06/11/26 _x86_64_ (4 CPU) 01:06:21 LINUX RESTART (4 CPU) 01:10:10 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 40.04 0.00 1.48 0.44 0.09 57.95 01:20:01 0 38.96 0.00 1.34 0.30 0.09 59.31 01:20:01 1 41.57 0.00 1.77 0.23 0.09 56.33 01:20:01 2 40.35 0.00 1.23 0.10 0.09 58.23 01:20:01 3 39.29 0.00 1.58 1.13 0.09 57.91 01:30:11 all 24.65 0.00 1.36 0.12 0.08 73.79 01:30:11 0 23.71 0.00 1.35 0.23 0.08 74.63 01:30:11 1 24.93 0.00 1.34 0.07 0.08 73.58 01:30:11 2 25.79 0.00 1.49 0.07 0.09 72.56 01:30:11 3 24.17 0.00 1.27 0.10 0.08 74.38 Average: all 32.22 0.00 1.42 0.28 0.09 65.99 Average: 0 31.21 0.00 1.35 0.26 0.09 67.09 Average: 1 33.12 0.00 1.55 0.15 0.09 65.09 Average: 2 32.96 0.00 1.36 0.08 0.09 65.51 Average: 3 31.60 0.00 1.42 0.61 0.09 66.28