---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3296 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 12G 66G 16% / 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 633 8707 4 6648 15013 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:fb:61:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.65/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84350sec preferred_lft 84350sec inet6 fe80::f816:3eff:fefb:61b0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:f2:21:35:d1:5a 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-3296) 01/23/26 _x86_64_ (4 CPU) 10:38:47 LINUX RESTART (4 CPU) 10:40:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:21 29.23 4.17 22.77 2.29 770.43 4395.29 22559.80 11:00:01 27.01 0.08 23.84 3.09 7.03 2245.71 9676.17 11:10:21 30.98 0.14 27.62 3.22 6.38 9155.50 15768.76 Average: 29.12 1.46 24.79 2.87 261.27 5343.74 16070.52 10:40:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:21 10303732 13766152 2194260 13.40 125452 3495184 2356256 13.52 781788 4936432 49152 11:00:01 9349776 13195792 2760072 16.86 149408 3817668 2954232 16.96 929984 5708908 21012 11:10:21 8940732 15387140 559080 3.41 176800 6296124 1095996 6.29 1799008 5121988 172 Average: 9531413 14116361 1837804 11.22 150553 4536325 2135495 12.26 1170260 5255776 23445 10:40:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:21 lo 650.33 650.33 619.31 619.31 0.00 0.00 0.00 0.00 10:50:21 ens3 111.54 84.48 1105.68 15.12 0.00 0.00 0.00 0.00 10:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 1444.96 1444.96 1369.27 1369.27 0.00 0.00 0.00 0.00 11:00:01 ens3 34.79 29.66 21.63 10.77 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:21 lo 870.38 870.38 822.16 822.16 0.00 0.00 0.00 0.00 11:10:21 ens3 80.55 73.63 158.80 431.27 0.00 0.00 0.00 0.00 11:10:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 982.05 982.05 930.72 930.72 0.00 0.00 0.00 0.00 Average: ens3 76.14 63.09 430.26 157.15 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-3296) 01/23/26 _x86_64_ (4 CPU) 10:38:47 LINUX RESTART (4 CPU) 10:40:21 CPU %user %nice %system %iowait %steal %idle 10:50:21 all 25.09 0.00 1.45 0.20 0.05 73.21 10:50:21 0 26.32 0.00 1.33 0.30 0.05 71.99 10:50:21 1 25.65 0.00 1.65 0.11 0.05 72.54 10:50:21 2 25.01 0.00 1.37 0.16 0.05 73.42 10:50:21 3 23.38 0.00 1.45 0.22 0.04 74.90 11:00:01 all 62.49 0.00 2.30 0.05 0.09 35.07 11:00:01 0 62.65 0.00 2.22 0.06 0.08 34.98 11:00:01 1 63.02 0.00 2.42 0.06 0.09 34.41 11:00:01 2 61.47 0.00 2.28 0.04 0.08 36.13 11:00:01 3 62.83 0.00 2.29 0.05 0.08 34.75 11:10:21 all 50.39 0.00 2.10 0.59 0.09 46.83 11:10:21 0 50.98 0.00 2.29 0.32 0.09 46.32 11:10:21 1 49.30 0.00 2.05 0.31 0.10 48.24 11:10:21 2 52.00 0.00 2.01 0.29 0.09 45.61 11:10:21 3 49.27 0.00 2.05 1.45 0.10 47.14 Average: all 45.84 0.00 1.95 0.29 0.08 51.85 Average: 0 46.49 0.00 1.95 0.23 0.08 51.26 Average: 1 45.82 0.00 2.04 0.16 0.08 51.90 Average: 2 46.05 0.00 1.89 0.17 0.07 51.83 Average: 3 45.00 0.00 1.93 0.59 0.07 52.41