---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22637 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 704 10265 4 5020 14942 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:a7:8e:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84679sec preferred_lft 84679sec inet6 fe80::f816:3eff:fea7:8e15/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:45:cb:64:84:81 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-22637) 06/02/26 _x86_64_ (4 CPU) 15:29:20 LINUX RESTART (4 CPU) 15:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 48.01 9.71 36.95 1.35 1768.72 5882.35 8474.63 15:50:09 21.31 0.77 18.12 2.42 27.68 3152.80 3190.42 Average: 34.59 5.21 27.49 1.89 893.53 4510.27 5818.37 15:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 10559012 13988928 1971640 12.04 127284 3433996 2355092 13.52 668440 4769344 26984 15:50:09 8797992 13189528 2762052 16.87 166588 4277124 2999928 17.22 897636 6209560 97240 Average: 9678502 13589228 2366846 14.46 146936 3855560 2677510 15.37 783038 5489452 62112 15:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 0.94 0.94 0.09 0.09 0.00 0.00 0.00 0.00 15:40:01 ens3 158.08 116.20 1163.54 23.26 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:09 lo 967.22 967.22 921.45 921.45 0.00 0.00 0.00 0.00 15:50:09 ens3 93.01 67.16 324.16 19.28 0.00 0.00 0.00 0.00 15:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 486.67 486.67 463.24 463.24 0.00 0.00 0.00 0.00 Average: ens3 125.37 91.55 741.60 21.26 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-22637) 06/02/26 _x86_64_ (4 CPU) 15:29:20 LINUX RESTART (4 CPU) 15:30:00 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 41.82 0.00 1.67 0.35 0.08 56.07 15:40:01 0 41.30 0.00 1.63 0.45 0.08 56.55 15:40:01 1 42.10 0.00 1.75 0.18 0.08 55.89 15:40:01 2 43.00 0.00 1.74 0.50 0.08 54.68 15:40:01 3 40.90 0.00 1.57 0.29 0.08 57.15 15:50:09 all 69.63 0.00 2.60 0.04 0.12 27.60 15:50:09 0 68.22 0.00 2.34 0.04 0.12 29.29 15:50:09 1 69.64 0.00 2.72 0.08 0.12 27.44 15:50:09 2 70.73 0.00 2.76 0.03 0.12 26.36 15:50:09 3 69.95 0.00 2.60 0.02 0.12 27.31 Average: all 55.80 0.00 2.14 0.20 0.10 41.76 Average: 0 54.84 0.00 1.99 0.24 0.10 42.84 Average: 1 55.94 0.00 2.24 0.13 0.10 41.60 Average: 2 56.93 0.00 2.25 0.26 0.10 40.45 Average: 3 55.49 0.00 2.09 0.16 0.10 42.16