---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20 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 668 10158 4 5163 14978 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:c2:91:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.133/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84660sec preferred_lft 84660sec inet6 fe80::f816:3eff:fec2:91fb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:59:ce:47:39:32 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-20) 07/28/26 _x86_64_ (4 CPU) 16:09:07 LINUX RESTART (4 CPU) 16:10:45 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:20:05 41.33 3.44 21.88 16.01 421.51 6557.76 269565.06 16:30:01 24.76 0.78 21.55 2.43 28.19 3029.44 3106.43 Average: 32.79 2.07 21.71 9.01 218.79 4739.20 132227.23 16:10:45 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:20:05 10401008 14050716 1907148 11.65 134380 3632812 2525108 14.49 633556 4950044 20172 16:30:01 8556036 13121196 2829036 17.28 169176 4439320 2982672 17.12 856256 6490300 107416 Average: 9478522 13585956 2368092 14.46 151778 4036066 2753890 15.81 744906 5720172 63794 16:10:45 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:20:05 lo 1.25 1.25 0.12 0.12 0.00 0.00 0.00 0.00 16:20:05 ens3 142.55 101.49 1264.56 19.94 0.00 0.00 0.00 0.00 16:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:01 lo 1258.70 1258.70 1200.22 1200.22 0.00 0.00 0.00 0.00 16:30:01 ens3 79.23 57.58 330.17 16.26 0.00 0.00 0.00 0.00 16:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 649.36 649.36 618.68 618.68 0.00 0.00 0.00 0.00 Average: ens3 109.91 78.86 782.96 18.04 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-20) 07/28/26 _x86_64_ (4 CPU) 16:09:07 LINUX RESTART (4 CPU) 16:10:45 CPU %user %nice %system %iowait %steal %idle 16:20:05 all 53.96 0.00 1.98 8.54 0.11 35.42 16:20:05 0 52.45 0.00 1.90 2.33 0.11 43.21 16:20:05 1 55.04 0.00 2.03 12.98 0.11 29.83 16:20:05 2 54.35 0.00 2.24 5.16 0.11 38.13 16:20:05 3 53.98 0.00 1.73 13.66 0.11 30.52 16:30:01 all 64.07 0.00 2.41 3.40 0.11 30.01 16:30:01 0 64.42 0.00 2.52 2.51 0.11 30.43 16:30:01 1 63.07 0.00 2.16 2.60 0.11 32.06 16:30:01 2 65.66 0.00 2.80 5.58 0.11 25.85 16:30:01 3 63.12 0.00 2.15 2.93 0.11 31.69 Average: all 59.17 0.00 2.20 5.89 0.11 32.63 Average: 0 58.61 0.00 2.22 2.43 0.11 36.63 Average: 1 59.18 0.00 2.10 7.63 0.11 30.98 Average: 2 60.18 0.00 2.53 5.38 0.11 31.80 Average: 3 58.69 0.00 1.95 8.13 0.11 31.12