---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4667 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 68G 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 663 10310 4 5014 14982 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:2b:ac:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.81/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84704sec preferred_lft 84704sec inet6 fe80::f816:3eff:fe2b:ac45/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:05:1b:76:30:55 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-4667) 01/26/26 _x86_64_ (4 CPU) 20:08:27 LINUX RESTART (4 CPU) 20:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:01 19.24 3.15 14.92 1.17 558.94 3702.53 12755.26 20:30:13 36.60 12.42 20.87 3.31 154.67 3506.27 1829.15 Average: 28.02 7.83 17.93 2.25 354.61 3603.33 7232.83 20:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:01 9641288 12923116 3037144 18.55 125444 3301948 3519604 20.20 682848 5687664 23836 20:30:13 9180364 13476084 2474468 15.11 168932 4172780 2732512 15.68 969084 5734360 14712 Average: 9410826 13199600 2755806 16.83 147188 3737364 3126058 17.94 825966 5711012 19274 20:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:01 lo 0.92 0.92 0.09 0.09 0.00 0.00 0.00 0.00 20:20:01 ens3 92.69 70.96 777.32 14.92 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:13 lo 1424.46 1424.46 1356.86 1356.86 0.00 0.00 0.00 0.00 20:30:13 ens3 88.07 66.72 363.78 19.48 0.00 0.00 0.00 0.00 20:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 720.43 720.43 685.85 685.85 0.00 0.00 0.00 0.00 Average: ens3 90.35 68.82 568.30 17.22 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-4667) 01/26/26 _x86_64_ (4 CPU) 20:08:27 LINUX RESTART (4 CPU) 20:10:01 CPU %user %nice %system %iowait %steal %idle 20:20:01 all 40.54 0.00 1.53 0.12 0.07 57.74 20:20:01 0 40.45 0.00 1.36 0.09 0.07 58.03 20:20:01 1 41.04 0.00 1.72 0.09 0.07 57.09 20:20:01 2 40.53 0.00 1.40 0.17 0.07 57.83 20:20:01 3 40.15 0.00 1.63 0.14 0.06 58.01 20:30:13 all 70.01 0.07 2.74 0.08 0.10 27.01 20:30:13 0 69.31 0.01 2.64 0.04 0.10 27.89 20:30:13 1 70.56 0.00 2.73 0.05 0.10 26.56 20:30:13 2 70.79 0.01 2.66 0.02 0.10 26.41 20:30:13 3 69.35 0.25 2.93 0.18 0.10 27.19 Average: all 55.42 0.03 2.14 0.10 0.08 42.22 Average: 0 55.04 0.00 2.01 0.07 0.09 42.80 Average: 1 55.95 0.00 2.23 0.07 0.08 41.67 Average: 2 55.80 0.01 2.03 0.10 0.08 41.97 Average: 3 54.89 0.12 2.28 0.16 0.08 42.46