---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1494 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 640 9489 4 5859 15006 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:40:01:0f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84891sec preferred_lft 84891sec inet6 fe80::f816:3eff:fe40:10f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:64:f1:43:85:51 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-1494) 01/17/26 _x86_64_ (4 CPU) 17:29:17 LINUX RESTART (4 CPU) 17:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:01 26.24 3.77 21.11 1.36 385.44 4477.25 2018.43 17:50:10 5.63 0.19 5.11 0.33 6.55 2625.66 2575.90 Average: 15.82 1.96 13.02 0.84 193.76 3540.52 2300.45 17:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:01 10062080 13222484 2738900 16.73 122736 3187080 3090776 17.74 638628 5318392 24228 17:50:10 7329080 11227212 4729876 28.89 133808 3879384 4943884 28.38 939412 7692300 352 Average: 8695580 12224848 3734388 22.81 128272 3533232 4017330 23.06 789020 6505346 12290 17:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:01 lo 8.96 8.96 1.35 1.35 0.00 0.00 0.00 0.00 17:40:01 ens3 93.53 77.34 727.25 65.50 0.00 0.00 0.00 0.00 17:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:10 lo 71.42 71.42 2248.27 2248.27 0.00 0.00 0.00 0.00 17:50:10 ens3 43.87 38.90 29.62 421.31 0.00 0.00 0.00 0.00 17:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 40.56 40.56 1138.08 1138.08 0.00 0.00 0.00 0.00 Average: ens3 68.40 57.89 374.32 245.51 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-1494) 01/17/26 _x86_64_ (4 CPU) 17:29:17 LINUX RESTART (4 CPU) 17:30:07 CPU %user %nice %system %iowait %steal %idle 17:40:01 all 52.29 0.00 1.65 0.39 0.09 45.58 17:40:01 0 51.75 0.00 1.56 0.77 0.09 45.84 17:40:01 1 54.60 0.00 1.90 0.56 0.09 42.85 17:40:01 2 51.90 0.00 1.62 0.16 0.09 46.23 17:40:01 3 50.92 0.00 1.53 0.09 0.09 47.38 17:50:10 all 44.02 0.00 1.36 0.22 0.08 54.32 17:50:10 0 44.94 0.00 1.35 0.10 0.08 53.53 17:50:10 1 41.20 0.00 1.27 0.04 0.08 57.42 17:50:10 2 43.30 0.00 1.50 0.39 0.08 54.73 17:50:10 3 46.66 0.00 1.33 0.34 0.08 51.60 Average: all 48.11 0.00 1.50 0.30 0.08 50.00 Average: 0 48.31 0.00 1.45 0.43 0.09 49.73 Average: 1 47.81 0.00 1.58 0.30 0.09 50.23 Average: 2 47.55 0.00 1.56 0.28 0.08 50.53 Average: 3 48.76 0.00 1.42 0.21 0.08 49.51