---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-969 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 13G 65G 17% / 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 659 8290 4 7040 14987 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:a9:4c:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84472sec preferred_lft 84472sec inet6 fe80::f816:3eff:fea9:4cc9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:ec:14:1d:f0:15 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-969) 07/31/26 _x86_64_ (4 CPU) 22:58:33 LINUX RESTART (4 CPU) 23:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:10:21 4.34 0.22 3.80 0.32 25.74 742.90 24373.33 23:20:18 42.23 4.18 37.37 0.68 253.96 3704.04 430.10 23:30:01 19.14 0.89 17.17 1.08 42.48 16249.41 10158.02 Average: 21.71 1.75 19.27 0.69 106.93 6743.82 11823.92 23:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:10:21 13550204 15514816 499168 3.05 59076 2129456 1142348 6.56 215500 2352896 48 23:20:18 11090792 14221484 1741284 10.64 116800 3173080 2092212 12.01 442072 4496728 121420 23:30:01 8508512 15361596 584428 3.57 145188 6734016 1076484 6.18 1097232 6257476 12588 Average: 11049836 15032632 941627 5.75 107021 4012184 1437015 8.25 584935 4369033 44685 23:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:10:21 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 23:10:21 ens3 20.69 11.85 314.54 0.82 0.00 0.00 0.00 0.00 23:10:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:18 lo 0.37 0.37 0.03 0.03 0.00 0.00 0.00 0.00 23:20:18 ens3 88.14 63.12 733.27 12.77 0.00 0.00 0.00 0.00 23:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:01 lo 113.18 113.18 97.98 97.98 0.00 0.00 0.00 0.00 23:30:01 ens3 71.70 67.04 561.51 642.31 0.00 0.00 0.00 0.00 23:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 36.79 36.79 31.72 31.72 0.00 0.00 0.00 0.00 Average: ens3 59.59 46.73 533.48 212.37 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-969) 07/31/26 _x86_64_ (4 CPU) 22:58:33 LINUX RESTART (4 CPU) 23:00:01 CPU %user %nice %system %iowait %steal %idle 23:10:21 all 0.31 0.00 0.12 0.08 0.02 99.47 23:10:21 0 0.37 0.00 0.11 0.06 0.02 99.44 23:10:21 1 0.24 0.00 0.10 0.02 0.03 99.61 23:10:21 2 0.26 0.00 0.14 0.05 0.03 99.53 23:10:21 3 0.38 0.00 0.12 0.19 0.02 99.29 23:20:18 all 12.08 0.00 0.61 0.26 0.04 87.01 23:20:18 0 10.56 0.00 0.44 0.05 0.04 88.91 23:20:18 1 14.02 0.00 0.66 0.18 0.04 85.10 23:20:18 2 13.17 0.00 0.79 0.32 0.04 85.68 23:20:18 3 10.55 0.00 0.55 0.50 0.04 88.36 23:30:01 all 30.90 0.00 1.08 0.23 0.08 67.71 23:30:01 0 30.23 0.00 0.97 0.34 0.08 68.38 23:30:01 1 35.23 0.00 1.34 0.10 0.07 63.26 23:30:01 2 30.28 0.00 1.01 0.21 0.08 68.42 23:30:01 3 27.86 0.00 1.01 0.25 0.08 70.81 Average: all 14.11 0.00 0.59 0.19 0.04 85.06 Average: 0 13.42 0.00 0.50 0.15 0.04 85.89 Average: 1 16.14 0.00 0.69 0.10 0.05 83.03 Average: 2 14.25 0.00 0.64 0.19 0.05 84.87 Average: 3 12.64 0.00 0.55 0.31 0.05 86.46