---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3629 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: 5600.00 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 623 10279 4 5085 15022 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:a6:7f:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84672sec preferred_lft 84672sec inet6 fe80::f816:3eff:fea6:7f2c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:3d:71:0b:d8:9a 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-3629) 01/23/26 _x86_64_ (4 CPU) 13:21:58 LINUX RESTART (4 CPU) 13:30:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:01 11.56 0.51 10.01 1.04 16.64 2656.47 621.69 13:50:04 26.30 0.59 21.65 4.07 21.67 3753.49 5380.99 Average: 19.09 0.55 15.96 2.59 19.21 3217.15 3054.15 13:30:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:01 9727092 13622080 2333388 14.25 149736 3841240 2851360 16.37 873972 5351620 26764 13:50:04 10470372 15329588 619100 3.78 173240 4719964 1130404 6.49 1137016 4260792 24988 Average: 10098732 14475834 1476244 9.02 161488 4280602 1990882 11.43 1005494 4806206 25876 13:30:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:01 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 13:40:01 ens3 66.03 52.69 144.72 17.32 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:04 lo 1496.01 1496.01 1414.41 1414.41 0.00 0.00 0.00 0.00 13:50:04 ens3 119.08 105.88 415.71 199.14 0.00 0.00 0.00 0.00 13:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 765.27 765.27 722.96 722.96 0.00 0.00 0.00 0.00 Average: ens3 93.14 79.87 283.22 110.25 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-3629) 01/23/26 _x86_64_ (4 CPU) 13:21:58 LINUX RESTART (4 CPU) 13:30:24 CPU %user %nice %system %iowait %steal %idle 13:40:01 all 74.34 0.00 2.24 0.04 0.11 23.26 13:40:01 0 75.13 0.00 2.23 0.04 0.11 22.50 13:40:01 1 76.47 0.00 2.33 0.03 0.10 21.06 13:40:01 2 73.54 0.00 2.31 0.04 0.11 24.00 13:40:01 3 72.24 0.00 2.10 0.07 0.10 25.48 13:50:04 all 45.99 0.00 2.04 0.11 0.09 51.76 13:50:04 0 48.11 0.00 1.62 0.15 0.08 50.03 13:50:04 1 47.48 0.00 2.29 0.14 0.09 50.00 13:50:04 2 43.95 0.00 2.34 0.13 0.08 53.50 13:50:04 3 44.41 0.00 1.93 0.04 0.09 53.53 Average: all 59.86 0.00 2.14 0.08 0.10 37.82 Average: 0 61.33 0.00 1.92 0.10 0.10 36.56 Average: 1 61.65 0.00 2.31 0.09 0.10 35.85 Average: 2 58.42 0.00 2.32 0.09 0.10 39.08 Average: 3 58.03 0.00 2.01 0.05 0.10 39.80