---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32004 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 697 8969 4 6322 14949 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:ef:ab:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84449sec preferred_lft 84449sec inet6 fe80::f816:3eff:feef:abd4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:d0:5b:f6:4c:39 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-32004) 07/01/26 _x86_64_ (4 CPU) 05:12:30 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:01 12.76 0.02 10.82 1.92 0.59 883.88 47261.59 05:40:01 33.16 0.17 29.10 3.89 5.97 7272.55 27007.87 Average: 22.96 0.10 19.96 2.90 3.28 4078.24 37134.64 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:01 9103664 13003256 2953604 18.04 135848 3872312 3236068 18.57 886144 5968212 316 05:40:01 7180372 13091492 2855148 17.44 169508 5754904 3040116 17.45 1670408 6978480 8852 Average: 8142018 13047374 2904376 17.74 152678 4813608 3138092 18.01 1278276 6473346 4584 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:01 lo 43.89 43.89 10.34 10.34 0.00 0.00 0.00 0.00 05:30:01 ens3 11.59 9.12 13.16 2.93 0.00 0.00 0.00 0.00 05:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 lo 1842.59 1842.59 1748.81 1748.81 0.00 0.00 0.00 0.00 05:40:01 ens3 83.44 63.06 475.71 15.13 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 943.25 943.25 879.59 879.59 0.00 0.00 0.00 0.00 Average: ens3 47.51 36.09 244.44 9.03 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-32004) 07/01/26 _x86_64_ (4 CPU) 05:12:30 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:01 all 25.59 0.00 1.05 0.10 0.08 73.18 05:30:01 0 25.63 0.00 1.20 0.13 0.08 72.96 05:30:01 1 25.62 0.00 1.04 0.12 0.08 73.14 05:30:01 2 26.00 0.00 0.97 0.08 0.09 72.86 05:30:01 3 25.12 0.00 0.97 0.05 0.09 73.77 05:40:01 all 44.37 0.00 2.25 0.11 0.09 53.18 05:40:01 0 43.98 0.00 2.64 0.30 0.09 53.00 05:40:01 1 43.17 0.00 2.13 0.05 0.08 54.57 05:40:01 2 44.32 0.00 2.16 0.03 0.09 53.41 05:40:01 3 46.02 0.00 2.08 0.08 0.09 51.73 Average: all 34.99 0.00 1.65 0.10 0.08 63.17 Average: 0 34.81 0.00 1.92 0.21 0.09 62.97 Average: 1 34.40 0.00 1.58 0.09 0.08 63.85 Average: 2 35.16 0.00 1.57 0.06 0.09 63.13 Average: 3 35.59 0.00 1.53 0.06 0.09 62.74