---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5716 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 66G 16% / 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 646 8839 4 6503 15000 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:7a:98:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84464sec preferred_lft 84464sec inet6 fe80::f816:3eff:fe7a:98ec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:e1:f2:9a:0d:df 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-5716) 01/29/26 _x86_64_ (4 CPU) 10:39:17 LINUX RESTART (4 CPU) 10:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:03 36.02 4.28 28.91 2.82 602.70 5483.97 16270.35 11:00:03 26.36 0.03 23.24 3.09 0.47 2131.66 22175.79 11:10:03 29.95 0.14 26.76 3.05 6.52 9513.79 14316.21 Average: 30.76 1.48 26.30 2.99 202.21 5708.98 17592.30 10:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:03 10247892 13631328 2328840 14.22 124096 3411652 2554292 14.66 755844 5015232 5016 11:00:03 9086512 12888836 3067844 18.74 146320 3771124 3378484 19.39 883608 6011612 29324 11:10:03 9100996 15400952 545860 3.33 172892 6155860 1077336 6.18 1732928 5029236 224 Average: 9478467 13973705 1980848 12.10 147769 4446212 2336704 13.41 1124127 5352027 11521 10:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:03 lo 786.18 786.18 746.63 746.63 0.00 0.00 0.00 0.00 10:50:03 ens3 122.43 91.19 1158.33 17.56 0.00 0.00 0.00 0.00 10:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:03 lo 1290.10 1290.10 1223.59 1223.59 0.00 0.00 0.00 0.00 11:00:03 ens3 44.27 35.77 19.57 12.44 0.00 0.00 0.00 0.00 11:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:03 lo 795.21 795.21 747.14 747.14 0.00 0.00 0.00 0.00 11:10:03 ens3 96.61 100.47 163.36 1014.04 0.00 0.00 0.00 0.00 11:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 957.69 957.69 906.28 906.28 0.00 0.00 0.00 0.00 Average: ens3 87.67 75.76 445.24 348.67 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-5716) 01/29/26 _x86_64_ (4 CPU) 10:39:17 LINUX RESTART (4 CPU) 10:40:07 CPU %user %nice %system %iowait %steal %idle 10:50:03 all 38.87 0.00 1.94 1.52 0.08 57.59 10:50:03 0 38.07 0.00 1.61 1.31 0.08 58.92 10:50:03 1 39.64 0.00 2.22 0.97 0.09 57.08 10:50:03 2 36.74 0.00 1.77 0.92 0.08 60.50 10:50:03 3 41.02 0.00 2.16 2.87 0.09 53.85 11:00:03 all 65.51 0.00 2.50 0.12 0.12 31.75 11:00:03 0 66.10 0.00 2.45 0.11 0.11 31.23 11:00:03 1 64.28 0.00 2.39 0.09 0.12 33.12 11:00:03 2 66.23 0.00 2.46 0.06 0.13 31.12 11:00:03 3 65.42 0.00 2.71 0.21 0.12 31.53 11:10:03 all 41.94 0.00 1.89 0.33 0.17 55.67 11:10:03 0 42.09 0.00 1.83 0.21 0.10 55.78 11:10:03 1 41.51 0.00 1.81 0.03 0.38 56.27 11:10:03 2 40.73 0.00 2.11 0.33 0.10 56.73 11:10:03 3 43.45 0.00 1.82 0.75 0.10 53.88 Average: all 48.80 0.00 2.11 0.65 0.12 48.31 Average: 0 48.77 0.00 1.96 0.54 0.10 48.63 Average: 1 48.50 0.00 2.14 0.36 0.19 48.81 Average: 2 47.93 0.00 2.11 0.43 0.10 49.42 Average: 3 49.99 0.00 2.23 1.28 0.10 46.40