---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39094 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 656 9138 4 6194 14990 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:a3:46:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84423sec preferred_lft 84423sec inet6 fe80::f816:3eff:fea3:46c8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:c3:c4:a4:07:76 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-39094) 07/26/26 _x86_64_ (4 CPU) 05:12:52 LINUX RESTART (4 CPU) 05:20:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:24 11.59 0.02 9.76 1.81 0.60 848.88 32203.28 05:40:01 33.28 0.18 29.00 4.10 6.20 7442.91 20848.83 Average: 22.22 0.10 19.19 2.93 3.34 4081.98 26636.11 05:20:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:24 9219560 12989228 2967316 18.12 135744 3741456 3251364 18.66 698800 6042484 72 05:40:01 6197456 12153236 3792208 23.16 169532 5791948 3751680 21.53 1509824 8136724 211100 Average: 7708508 12571232 3379762 20.64 152638 4766702 3501522 20.10 1104312 7089604 105586 05:20:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:24 lo 50.18 50.18 11.92 11.92 0.00 0.00 0.00 0.00 05:30:24 ens3 13.64 10.38 9.25 3.09 0.00 0.00 0.00 0.00 05:30:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 lo 1679.72 1679.72 1594.47 1594.47 0.00 0.00 0.00 0.00 05:40:01 ens3 81.76 61.18 493.73 14.82 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 849.16 849.16 787.85 787.85 0.00 0.00 0.00 0.00 Average: ens3 47.04 35.29 246.79 8.84 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-39094) 07/26/26 _x86_64_ (4 CPU) 05:12:52 LINUX RESTART (4 CPU) 05:20:24 CPU %user %nice %system %iowait %steal %idle 05:30:24 all 22.77 0.00 0.91 0.18 0.08 76.06 05:30:24 0 23.53 0.00 0.89 0.10 0.09 75.40 05:30:24 1 23.53 0.00 0.93 0.10 0.08 75.35 05:30:24 2 21.91 0.00 0.98 0.38 0.08 76.65 05:30:24 3 22.11 0.00 0.85 0.12 0.09 76.84 05:40:01 all 45.64 0.00 2.30 0.53 0.10 51.44 05:40:01 0 43.59 0.00 1.95 0.33 0.09 54.04 05:40:01 1 48.11 0.00 2.32 0.35 0.10 49.12 05:40:01 2 45.49 0.00 2.79 0.57 0.10 51.05 05:40:01 3 45.37 0.00 2.13 0.86 0.10 51.55 Average: all 33.98 0.00 1.59 0.35 0.09 63.99 Average: 0 33.37 0.00 1.41 0.21 0.09 64.92 Average: 1 35.58 0.00 1.61 0.23 0.09 62.49 Average: 2 33.47 0.00 1.87 0.47 0.09 64.10 Average: 3 33.51 0.00 1.47 0.48 0.09 64.44