---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3680 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 67G 15% / 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 725 9333 4 5930 14921 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:81:a3:5d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84112sec preferred_lft 84112sec inet6 fe80::f816:3eff:fe81:a35d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:91:e3:d6:b2:b5 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-3680) 01/23/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:06 27.03 0.45 23.05 3.53 15.53 4572.89 5646.04 20:50:01 67.67 0.01 42.25 25.41 0.16 2799.37 252335.53 21:00:06 21.87 0.14 18.71 3.02 6.41 4292.56 1521.90 Average: 38.69 0.20 27.92 10.57 7.41 3894.59 85540.96 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:06 8837548 13175432 2776428 16.96 183380 4214032 3051912 17.52 917948 6163996 117344 20:50:01 8446872 13125060 2822232 17.24 217420 4482236 2983836 17.13 1031016 6373752 59980 21:00:06 9660204 15367084 575964 3.52 241968 5436896 1117944 6.42 1378228 4765500 268 Average: 8981541 13889192 2058208 12.57 214256 4711055 2384564 13.69 1109064 5767749 59197 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:06 lo 1361.42 1361.42 1297.05 1297.05 0.00 0.00 0.00 0.00 20:40:06 ens3 90.76 70.57 301.57 21.52 0.00 0.00 0.00 0.00 20:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 5389.10 5389.10 5136.38 5136.38 0.00 0.00 0.00 0.00 20:50:01 ens3 86.02 61.62 29.29 22.14 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:06 lo 1342.42 1342.42 1260.77 1260.77 0.00 0.00 0.00 0.00 21:00:06 ens3 111.48 110.39 143.15 187.99 0.00 0.00 0.00 0.00 21:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2682.06 2682.06 2549.84 2549.84 0.00 0.00 0.00 0.00 Average: ens3 96.14 80.97 158.75 77.53 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-3680) 01/23/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:06 all 66.29 0.00 2.82 0.08 0.09 30.73 20:40:06 0 67.08 0.00 2.80 0.07 0.09 29.96 20:40:06 1 67.37 0.00 3.08 0.04 0.09 29.41 20:40:06 2 65.69 0.00 2.62 0.07 0.08 31.54 20:40:06 3 65.00 0.00 2.77 0.11 0.09 32.03 20:50:01 all 61.54 0.00 4.02 0.13 0.09 34.23 20:50:01 0 58.41 0.00 3.80 0.23 0.09 37.47 20:50:01 1 62.60 0.00 3.67 0.08 0.09 33.56 20:50:01 2 61.41 0.00 3.95 0.07 0.09 34.48 20:50:01 3 63.73 0.00 4.65 0.14 0.09 31.40 21:00:06 all 36.21 0.00 1.69 0.10 0.07 61.93 21:00:06 0 35.36 0.00 1.77 0.15 0.08 62.63 21:00:06 1 37.58 0.00 1.43 0.03 0.07 60.89 21:00:06 2 34.88 0.00 1.75 0.05 0.07 63.26 21:00:06 3 37.03 0.00 1.81 0.16 0.07 60.93 Average: all 54.63 0.00 2.83 0.10 0.08 42.36 Average: 0 53.57 0.00 2.79 0.15 0.09 43.40 Average: 1 55.80 0.00 2.72 0.05 0.08 41.35 Average: 2 53.93 0.00 2.76 0.07 0.08 43.16 Average: 3 55.20 0.00 3.07 0.14 0.08 41.51