---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32773 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 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 13G 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 660 8581 4 6747 14986 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:fa:6c:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84187sec preferred_lft 84187sec inet6 fe80::f816:3eff:fefa:6c39/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:ab:be:25:c5:37 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-32773) 07/04/26 _x86_64_ (4 CPU) 02:24:21 LINUX RESTART (4 CPU) 02:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:40:07 19.34 0.07 17.08 2.20 6.55 2028.79 16920.11 02:50:07 34.38 0.01 30.94 3.42 0.21 4599.57 36031.13 03:00:07 8.03 0.02 7.80 0.21 0.71 6195.60 3244.16 Average: 20.58 0.04 18.61 1.94 2.49 4274.64 18731.89 02:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:40:07 8356916 12276096 3680808 22.48 139216 3891184 3753656 21.55 840312 6767888 1924 02:50:07 7409472 12374396 3577724 21.85 160708 4867236 3491412 20.04 1130200 7377652 2620 03:00:07 5928176 12746592 3198968 19.54 177176 6642580 3156140 18.12 1785188 8133904 107348 Average: 7231521 12465695 3485833 21.29 159033 5133667 3467069 19.90 1251900 7426481 37297 02:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:40:07 lo 995.35 995.35 941.72 941.72 0.00 0.00 0.00 0.00 02:40:07 ens3 48.74 37.01 46.33 12.21 0.00 0.00 0.00 0.00 02:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:07 lo 1461.20 1461.20 1392.15 1392.15 0.00 0.00 0.00 0.00 02:50:07 ens3 54.43 40.76 29.00 15.89 0.00 0.00 0.00 0.00 02:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:07 lo 2562.66 2562.66 9292.84 9292.84 0.00 0.00 0.00 0.00 03:00:07 ens3 23.92 21.02 127.15 5.30 0.00 0.00 0.00 0.00 03:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1673.07 1673.07 3875.54 3875.54 0.00 0.00 0.00 0.00 Average: ens3 42.36 32.93 67.49 11.13 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-32773) 07/04/26 _x86_64_ (4 CPU) 02:24:21 LINUX RESTART (4 CPU) 02:30:07 CPU %user %nice %system %iowait %steal %idle 02:40:07 all 63.75 0.00 2.05 0.06 0.09 34.04 02:40:07 0 62.37 0.00 2.07 0.11 0.09 35.35 02:40:07 1 64.96 0.00 1.99 0.05 0.10 32.90 02:40:07 2 63.89 0.00 2.28 0.04 0.09 33.70 02:40:07 3 63.79 0.00 1.87 0.02 0.09 34.23 02:50:07 all 62.02 0.00 2.55 0.11 0.09 35.23 02:50:07 0 61.60 0.00 2.60 0.12 0.09 35.59 02:50:07 1 60.57 0.00 2.25 0.07 0.09 37.02 02:50:07 2 61.70 0.00 2.47 0.16 0.09 35.58 02:50:07 3 64.19 0.00 2.89 0.10 0.09 32.72 03:00:07 all 31.23 0.00 1.22 0.73 0.07 66.75 03:00:07 0 26.59 0.00 1.27 0.22 0.07 71.85 03:00:07 1 41.29 0.00 1.11 0.92 0.08 56.61 03:00:07 2 28.90 0.00 1.51 1.64 0.08 67.87 03:00:07 3 28.14 0.00 0.97 0.13 0.08 70.68 Average: all 52.31 0.00 1.94 0.30 0.09 45.36 Average: 0 50.16 0.00 1.98 0.15 0.08 47.63 Average: 1 55.59 0.00 1.78 0.35 0.09 42.19 Average: 2 51.48 0.00 2.09 0.61 0.09 45.73 Average: 3 52.01 0.00 1.91 0.08 0.09 45.91