---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-494 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 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 679 9583 4 5726 14967 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:c3:67:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84533sec preferred_lft 84533sec inet6 fe80::f816:3eff:fec3:678b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:f2:2f:4a:ee:f0 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-494) 01/15/26 _x86_64_ (4 CPU) 15:47:18 LINUX RESTART (4 CPU) 15:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:10 46.80 3.18 28.20 15.41 754.20 5421.55 250630.75 16:10:09 35.15 0.06 31.71 3.38 1.36 5913.98 11456.24 Average: 40.98 1.62 29.95 9.41 378.49 5667.30 131270.63 15:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:10 9010176 13026352 2929312 17.89 155160 3949304 3197544 18.35 930780 6012644 183224 16:10:09 7991676 13245536 2704484 16.52 183024 5092772 2962060 17.00 1206596 6674332 33900 Average: 8500926 13135944 2816898 17.20 169092 4521038 3079802 17.68 1068688 6343488 108562 15:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:10 lo 900.47 900.47 857.28 857.28 0.00 0.00 0.00 0.00 16:00:10 ens3 105.64 80.90 849.48 18.33 0.00 0.00 0.00 0.00 16:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:09 lo 1336.15 1336.15 1272.89 1272.89 0.00 0.00 0.00 0.00 16:10:09 ens3 65.88 52.04 234.27 20.08 0.00 0.00 0.00 0.00 16:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1117.89 1117.89 1064.69 1064.69 0.00 0.00 0.00 0.00 Average: ens3 85.80 66.50 542.46 19.20 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-494) 01/15/26 _x86_64_ (4 CPU) 15:47:18 LINUX RESTART (4 CPU) 15:50:08 CPU %user %nice %system %iowait %steal %idle 16:00:10 all 63.54 0.00 2.21 0.25 0.09 33.92 16:00:10 0 63.29 0.00 2.14 0.36 0.09 34.11 16:00:10 1 63.67 0.00 2.58 0.23 0.09 33.43 16:00:10 2 64.12 0.00 2.18 0.20 0.09 33.41 16:00:10 3 63.07 0.00 1.93 0.21 0.09 34.69 16:10:09 all 55.26 0.00 2.33 1.00 0.10 41.31 16:10:09 0 54.70 0.00 2.53 1.04 0.10 41.63 16:10:09 1 56.45 0.00 2.21 0.44 0.10 40.80 16:10:09 2 53.83 0.00 2.38 1.80 0.10 41.89 16:10:09 3 56.04 0.00 2.19 0.73 0.10 40.93 Average: all 59.41 0.00 2.27 0.62 0.10 37.60 Average: 0 59.00 0.00 2.34 0.70 0.10 37.86 Average: 1 60.07 0.00 2.39 0.33 0.09 37.11 Average: 2 58.99 0.00 2.28 1.00 0.09 37.64 Average: 3 59.57 0.00 2.06 0.47 0.10 37.80