---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25799 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: 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 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 701 9664 4 5623 14945 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:36:74:62 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84442sec preferred_lft 84442sec inet6 fe80::f816:3eff:fe36:7462/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:9c:33:52:00:45 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-25799) 06/08/26 _x86_64_ (4 CPU) 06:28:23 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:10 22.77 3.49 18.12 1.16 180.82 5424.12 4383.93 06:50:11 35.40 0.04 31.61 3.75 1.70 3450.10 17922.09 07:00:01 19.40 0.31 16.63 2.46 12.44 5734.34 2906.27 Average: 25.88 1.30 22.14 2.45 65.83 4866.82 8419.06 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:10 9803404 13458140 2498732 15.26 152332 3595152 2675412 15.36 663968 5474916 49932 06:50:11 8239604 12561360 3391128 20.71 182744 4180292 3598528 20.66 833908 6829344 107736 07:00:01 9944436 15341580 604652 3.69 205828 5169344 1117980 6.42 917088 4940564 12820 Average: 9329148 13787027 2164837 13.22 180301 4314929 2463973 14.14 804988 5748275 56829 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:10 lo 411.59 411.59 391.91 391.91 0.00 0.00 0.00 0.00 06:40:10 ens3 104.70 80.71 881.05 17.49 0.00 0.00 0.00 0.00 06:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:11 lo 1765.92 1765.92 1683.86 1683.86 0.00 0.00 0.00 0.00 06:50:11 ens3 44.76 36.26 118.67 12.23 0.00 0.00 0.00 0.00 06:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 57.45 57.45 44.43 44.43 0.00 0.00 0.00 0.00 07:00:01 ens3 90.42 82.00 125.71 234.28 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 747.62 747.62 709.30 709.30 0.00 0.00 0.00 0.00 Average: ens3 80.01 66.29 378.94 86.80 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-25799) 06/08/26 _x86_64_ (4 CPU) 06:28:23 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:10 all 46.72 0.00 1.60 0.15 0.10 51.43 06:40:10 0 46.19 0.00 1.57 0.28 0.10 51.86 06:40:10 1 48.02 0.00 1.33 0.09 0.09 50.46 06:40:10 2 44.83 0.00 1.78 0.16 0.10 53.12 06:40:10 3 47.83 0.00 1.71 0.07 0.10 50.29 06:50:11 all 62.96 0.00 2.70 0.09 0.13 34.13 06:50:11 0 62.25 0.00 2.56 0.09 0.13 34.97 06:50:11 1 61.44 0.00 2.47 0.13 0.12 35.84 06:50:11 2 65.52 0.00 2.87 0.09 0.12 31.39 06:50:11 3 62.62 0.00 2.88 0.08 0.13 34.30 07:00:01 all 46.03 0.00 1.66 0.24 0.10 51.97 07:00:01 0 39.90 0.00 1.44 0.39 0.09 58.17 07:00:01 1 56.02 0.00 2.25 0.20 0.11 41.42 07:00:01 2 44.06 0.00 1.65 0.26 0.10 53.93 07:00:01 3 44.14 0.00 1.32 0.10 0.09 54.35 Average: all 51.90 0.00 1.99 0.16 0.11 45.84 Average: 0 49.47 0.00 1.86 0.25 0.11 48.31 Average: 1 55.12 0.00 2.01 0.14 0.11 42.62 Average: 2 51.47 0.00 2.10 0.17 0.11 46.15 Average: 3 51.55 0.00 1.97 0.08 0.11 46.29