---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28432 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 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 632 9968 4 5388 15014 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:8f:ce:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.200/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84401sec preferred_lft 84401sec inet6 fe80::f816:3eff:fe8f:ce85/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:6c:12:c2:b7:72 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-28432) 06/18/26 _x86_64_ (4 CPU) 18:21:30 LINUX RESTART (4 CPU) 18:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:19 41.84 0.03 35.54 6.27 0.64 1369.17 125058.66 18:50:01 35.52 0.19 30.74 4.59 6.39 6242.31 81501.67 Average: 38.76 0.11 33.20 5.45 3.44 3742.38 103846.52 18:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:19 9602184 13046020 2913300 17.79 156468 3411596 3195676 18.34 681364 5699612 728 18:50:01 8037136 13063224 2887420 17.64 185056 4884780 2978184 17.09 1248612 6615432 49644 Average: 8819660 13054622 2900360 17.71 170762 4148188 3086930 17.72 964988 6157522 25186 18:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:19 lo 50.13 50.13 12.07 12.07 0.00 0.00 0.00 0.00 18:40:19 ens3 6.68 6.17 7.97 2.17 0.00 0.00 0.00 0.00 18:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1980.08 1980.08 1882.08 1882.08 0.00 0.00 0.00 0.00 18:50:01 ens3 77.56 58.01 492.14 14.60 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 990.01 990.01 922.76 922.76 0.00 0.00 0.00 0.00 Average: ens3 41.20 31.42 243.76 8.22 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-28432) 06/18/26 _x86_64_ (4 CPU) 18:21:30 LINUX RESTART (4 CPU) 18:30:05 CPU %user %nice %system %iowait %steal %idle 18:40:19 all 18.63 0.00 0.90 0.42 0.10 79.95 18:40:19 0 18.39 0.00 0.84 0.38 0.10 80.29 18:40:19 1 19.32 0.00 0.87 0.56 0.11 79.14 18:40:19 2 18.22 0.00 0.90 0.48 0.10 80.30 18:40:19 3 18.60 0.00 0.98 0.26 0.10 80.06 18:50:01 all 47.65 0.00 2.40 0.42 0.09 49.44 18:50:01 0 48.25 0.00 2.53 0.21 0.09 48.91 18:50:01 1 48.40 0.00 2.34 0.31 0.09 48.86 18:50:01 2 47.01 0.00 2.19 0.76 0.09 49.95 18:50:01 3 46.94 0.00 2.55 0.38 0.09 50.04 Average: all 32.75 0.00 1.63 0.42 0.10 65.11 Average: 0 32.92 0.00 1.66 0.30 0.10 65.03 Average: 1 33.46 0.00 1.58 0.44 0.10 64.42 Average: 2 32.23 0.00 1.53 0.61 0.10 65.53 Average: 3 32.38 0.00 1.74 0.32 0.09 65.46