---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34310 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 67G 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 612 10289 4 5086 15034 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:0d:69:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84845sec preferred_lft 84845sec inet6 fe80::f816:3eff:fe0d:69df/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:c0:e2:5b:6a:15 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-34310) 01/12/26 _x86_64_ (4 CPU) 17:39:06 LINUX RESTART (4 CPU) 17:40:35 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:35 20.93 3.35 16.59 1.00 740.25 3806.31 14622.65 18:00:01 3.20 0.01 3.08 0.10 0.31 413.06 20.61 Average: 12.33 1.73 10.04 0.56 381.33 2160.33 7539.55 17:40:35 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:35 9015244 12285108 3676620 22.46 114040 3323276 3966556 22.77 706788 6312896 480 18:00:01 9777084 13178224 2782780 17.00 117900 3440592 2960648 16.99 731320 5511220 23936 Average: 9396164 12731666 3229700 19.73 115970 3381934 3463602 19.88 719054 5912058 12208 17:40:35 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:35 lo 0.76 0.76 0.35 0.35 0.00 0.00 0.00 0.00 17:50:35 ens3 65.50 49.47 857.48 7.82 0.00 0.00 0.00 0.00 17:50:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:01 lo 0.28 0.28 0.08 0.08 0.00 0.00 0.00 0.00 18:00:01 ens3 6.75 5.29 32.11 1.17 0.00 0.00 0.00 0.00 18:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.52 0.52 0.22 0.22 0.00 0.00 0.00 0.00 Average: ens3 37.00 28.04 457.11 4.60 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-34310) 01/12/26 _x86_64_ (4 CPU) 17:39:06 LINUX RESTART (4 CPU) 17:40:35 CPU %user %nice %system %iowait %steal %idle 17:50:35 all 51.37 0.00 1.20 0.12 0.08 47.24 17:50:35 0 54.57 0.00 1.31 0.16 0.08 43.87 17:50:35 1 55.93 0.00 1.13 0.08 0.08 42.78 17:50:35 2 50.84 0.00 1.13 0.11 0.08 47.84 17:50:35 3 44.14 0.00 1.21 0.13 0.07 54.45 18:00:01 all 50.52 0.00 0.53 0.02 0.07 48.86 18:00:01 0 41.17 0.00 0.58 0.05 0.07 58.13 18:00:01 1 60.45 0.00 0.50 0.01 0.07 38.97 18:00:01 2 66.24 0.00 0.53 0.01 0.08 33.15 18:00:01 3 34.35 0.00 0.49 0.01 0.07 65.09 Average: all 50.96 0.00 0.87 0.07 0.07 48.03 Average: 0 48.06 0.00 0.96 0.11 0.08 50.79 Average: 1 58.12 0.00 0.83 0.04 0.08 40.93 Average: 2 58.31 0.00 0.84 0.06 0.08 40.71 Average: 3 39.37 0.00 0.86 0.07 0.07 59.63