---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25440 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 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 736 9679 4 5573 14910 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:13:e7:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84422sec preferred_lft 84422sec inet6 fe80::f816:3eff:fe13:e753/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:f1:74:74:45:7c 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-25440) 01/10/26 _x86_64_ (4 CPU) 20:46:23 LINUX RESTART (4 CPU) 20:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:00:01 24.57 2.92 20.14 1.51 360.21 5083.66 20405.97 21:10:14 35.08 0.04 30.85 4.19 1.38 2825.88 36919.93 Average: 29.92 1.46 25.59 2.87 177.57 3934.48 28811.39 20:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:00:01 9074660 12930816 3023744 18.47 165192 3770608 3304008 18.96 810660 6032588 61668 21:10:14 8844812 13306452 2644884 16.15 182140 4324356 2839480 16.30 949056 6082840 255236 Average: 8959736 13118634 2834314 17.31 173666 4047482 3071744 17.63 879858 6057714 158452 20:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:00:01 lo 398.69 398.69 379.10 379.10 0.00 0.00 0.00 0.00 21:00:01 ens3 99.13 77.34 813.87 16.40 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:14 lo 1735.45 1735.45 1653.88 1653.88 0.00 0.00 0.00 0.00 21:10:14 ens3 53.44 43.02 194.38 13.75 0.00 0.00 0.00 0.00 21:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1079.09 1079.09 1027.95 1027.95 0.00 0.00 0.00 0.00 Average: ens3 75.87 59.87 498.56 15.06 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-25440) 01/10/26 _x86_64_ (4 CPU) 20:46:23 LINUX RESTART (4 CPU) 20:50:09 CPU %user %nice %system %iowait %steal %idle 21:00:01 all 56.18 0.00 2.02 0.09 0.08 41.62 21:00:01 0 52.90 0.00 2.19 0.11 0.07 44.72 21:00:01 1 55.54 0.00 2.13 0.11 0.08 42.14 21:00:01 2 56.90 0.00 1.92 0.05 0.08 41.05 21:00:01 3 59.40 0.00 1.84 0.11 0.08 38.57 21:10:14 all 59.07 0.00 2.68 0.09 0.09 38.08 21:10:14 0 59.80 0.00 2.53 0.04 0.09 37.54 21:10:14 1 57.14 0.00 2.54 0.16 0.09 40.08 21:10:14 2 60.31 0.00 2.95 0.06 0.09 36.59 21:10:14 3 59.03 0.00 2.71 0.08 0.09 38.09 Average: all 57.65 0.00 2.36 0.09 0.08 39.82 Average: 0 56.41 0.00 2.36 0.07 0.08 41.07 Average: 1 56.35 0.00 2.34 0.14 0.08 41.09 Average: 2 58.63 0.00 2.44 0.06 0.08 38.78 Average: 3 59.21 0.00 2.28 0.09 0.08 38.33