---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5325 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 679 8673 4 6636 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:fd:b9:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84097sec preferred_lft 84097sec inet6 fe80::f816:3eff:fefd:b988/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:30:e2:68:d5:35 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-5325) 01/28/26 _x86_64_ (4 CPU) 09:21:50 LINUX RESTART (4 CPU) 09:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:02 31.25 2.18 25.91 3.16 105.40 3902.01 5838.29 09:50:02 31.86 0.00 28.38 3.48 0.08 2649.53 16129.41 10:00:02 15.12 0.19 13.15 1.77 12.83 8040.07 1698.84 Average: 26.08 0.79 22.48 2.81 39.44 4863.87 7888.85 09:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:02 8604464 12486932 3469440 21.19 143188 3855924 3560980 20.44 874176 6501536 200380 09:50:02 7874944 12642036 3310096 20.22 162020 4680868 3320940 19.06 1151044 6908720 618212 10:00:02 8895360 15334600 611748 3.74 181684 6277712 1112268 6.38 1781504 5184328 12264 Average: 8458256 13487856 2463761 15.05 162297 4938168 2664729 15.30 1268908 6198195 276952 09:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:02 lo 1577.77 1577.77 1496.87 1496.87 0.00 0.00 0.00 0.00 09:40:02 ens3 76.85 63.09 462.06 16.66 0.00 0.00 0.00 0.00 09:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:02 lo 1376.14 1376.14 1310.36 1310.36 0.00 0.00 0.00 0.00 09:50:02 ens3 44.27 35.41 34.44 13.67 0.00 0.00 0.00 0.00 09:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:02 lo 157.01 157.01 4559.72 4559.72 0.00 0.00 0.00 0.00 10:00:02 ens3 88.66 96.42 116.44 1062.02 0.00 0.00 0.00 0.00 10:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1036.97 1036.97 2455.65 2455.65 0.00 0.00 0.00 0.00 Average: ens3 69.93 64.97 204.31 364.12 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-5325) 01/28/26 _x86_64_ (4 CPU) 09:21:50 LINUX RESTART (4 CPU) 09:30:02 CPU %user %nice %system %iowait %steal %idle 09:40:02 all 69.13 0.00 2.57 0.08 0.09 28.12 09:40:02 0 70.40 0.00 2.45 0.11 0.10 26.95 09:40:02 1 68.81 0.00 2.67 0.05 0.10 28.37 09:40:02 2 67.52 0.00 2.51 0.11 0.09 29.77 09:40:02 3 69.80 0.00 2.64 0.05 0.09 27.41 09:50:02 all 62.51 0.00 2.53 0.12 0.10 34.73 09:50:02 0 60.77 0.00 2.43 0.18 0.10 36.52 09:50:02 1 60.83 0.00 2.33 0.11 0.10 36.63 09:50:02 2 65.40 0.00 2.99 0.09 0.10 31.42 09:50:02 3 63.06 0.00 2.38 0.10 0.10 34.35 10:00:02 all 24.94 0.00 0.93 0.22 0.07 73.84 10:00:02 0 19.03 0.00 0.91 0.27 0.07 79.71 10:00:02 1 22.03 0.00 0.77 0.03 0.07 77.11 10:00:02 2 34.20 0.00 1.27 0.12 0.07 64.34 10:00:02 3 24.54 0.00 0.78 0.45 0.07 74.17 Average: all 52.17 0.00 2.01 0.14 0.09 45.59 Average: 0 50.02 0.00 1.93 0.18 0.09 47.78 Average: 1 50.53 0.00 1.92 0.06 0.09 47.40 Average: 2 55.69 0.00 2.26 0.10 0.09 41.86 Average: 3 52.45 0.00 1.93 0.20 0.09 45.33