---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2646 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 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 654 8845 4 6490 14992 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:59:65:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84522sec preferred_lft 84522sec inet6 fe80::f816:3eff:fe59:65c8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:85:78:06:15:fe 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-2646) 01/21/26 _x86_64_ (4 CPU) 12:34:14 LINUX RESTART (4 CPU) 12:40:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:00 24.39 0.03 21.68 2.68 0.83 2233.11 17186.77 13:00:46 23.53 0.02 21.23 2.28 0.43 4015.94 14256.57 Average: 23.94 0.02 21.44 2.47 0.62 3172.62 15642.62 12:40:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:00 9378100 13044100 2913276 17.79 142820 3644020 2996252 17.20 835792 5741104 17320 13:00:46 5549276 10240832 5712276 34.89 155856 4612084 5554724 31.88 1125548 9249652 24 Average: 7463688 11642466 4312776 26.34 149338 4128052 4275488 24.54 980670 7495378 8672 12:40:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:00 lo 1230.55 1230.55 1165.06 1165.06 0.00 0.00 0.00 0.00 12:50:00 ens3 22.34 20.37 21.50 7.19 0.00 0.00 0.00 0.00 12:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:46 lo 1014.87 1014.87 4762.99 4762.99 0.00 0.00 0.00 0.00 13:00:46 ens3 20.57 18.25 23.05 5.97 0.00 0.00 0.00 0.00 13:00:46 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1116.89 1116.89 3061.08 3061.08 0.00 0.00 0.00 0.00 Average: ens3 21.41 19.25 22.32 6.55 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-2646) 01/21/26 _x86_64_ (4 CPU) 12:34:14 LINUX RESTART (4 CPU) 12:40:19 CPU %user %nice %system %iowait %steal %idle 12:50:00 all 63.09 0.00 2.29 0.13 0.10 34.39 12:50:00 0 61.56 0.00 2.29 0.16 0.10 35.89 12:50:00 1 64.20 0.00 2.28 0.10 0.10 33.33 12:50:00 2 64.25 0.00 2.42 0.12 0.10 33.11 12:50:00 3 62.34 0.00 2.20 0.15 0.10 35.22 13:00:46 all 53.86 0.00 2.07 0.69 0.10 43.29 13:00:46 0 51.47 0.00 2.17 0.85 0.10 45.40 13:00:46 1 54.46 0.00 1.90 0.83 0.10 42.71 13:00:46 2 56.55 0.00 2.02 0.35 0.10 40.98 13:00:46 3 52.95 0.00 2.18 0.73 0.10 44.04 Average: all 58.22 0.00 2.17 0.43 0.10 39.08 Average: 0 56.25 0.00 2.23 0.53 0.10 40.90 Average: 1 59.06 0.00 2.08 0.48 0.10 38.28 Average: 2 60.19 0.00 2.21 0.24 0.10 37.26 Average: 3 57.39 0.00 2.18 0.46 0.10 39.87