---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15728 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 12G 66G 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 704 9388 4 5896 14942 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:54:8f:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84760sec preferred_lft 84760sec inet6 fe80::f816:3eff:fe54:8fe7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:eb:a0:f0:f6:6c 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-15728) 05/16/26 _x86_64_ (4 CPU) 07:08:30 LINUX RESTART (4 CPU) 07:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:02 34.48 3.42 27.87 3.20 178.31 4938.06 40398.20 07:30:01 35.37 0.17 18.78 16.43 5.07 1696.22 268111.20 Average: 34.93 1.80 23.33 9.80 91.92 3321.32 153961.32 07:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:02 9757192 13179712 2779724 16.98 122252 3430184 3025324 17.37 660700 5575672 1072 07:30:01 9350344 13239692 2716676 16.59 142692 3845632 3218724 18.48 795948 5820600 96564 Average: 9553768 13209702 2748200 16.78 132472 3637908 3122024 17.92 728324 5698136 48818 07:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:02 lo 21.62 21.62 4.92 4.92 0.00 0.00 0.00 0.00 07:20:02 ens3 75.42 56.27 700.33 10.90 0.00 0.00 0.00 0.00 07:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:01 lo 1233.10 1233.10 1146.66 1146.66 0.00 0.00 0.00 0.00 07:30:01 ens3 41.43 28.97 266.23 6.92 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 625.80 625.80 574.32 574.32 0.00 0.00 0.00 0.00 Average: ens3 58.47 42.65 483.84 8.92 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-15728) 05/16/26 _x86_64_ (4 CPU) 07:08:30 LINUX RESTART (4 CPU) 07:10:01 CPU %user %nice %system %iowait %steal %idle 07:20:02 all 38.51 0.00 1.43 0.38 0.08 59.59 07:20:02 0 39.09 0.00 1.30 0.16 0.09 59.36 07:20:02 1 39.29 0.00 1.77 0.37 0.09 58.49 07:20:02 2 37.86 0.00 1.34 0.50 0.08 60.21 07:20:02 3 37.77 0.00 1.31 0.51 0.08 60.32 07:30:01 all 28.65 0.00 1.55 0.23 0.09 69.49 07:30:01 0 28.15 0.00 1.56 0.26 0.08 69.95 07:30:01 1 28.77 0.00 1.59 0.14 0.09 69.42 07:30:01 2 29.20 0.00 1.59 0.08 0.09 69.05 07:30:01 3 28.48 0.00 1.47 0.43 0.09 69.53 Average: all 33.59 0.00 1.49 0.30 0.09 64.52 Average: 0 33.64 0.00 1.43 0.21 0.08 64.64 Average: 1 34.04 0.00 1.68 0.25 0.09 63.94 Average: 2 33.55 0.00 1.46 0.29 0.09 64.61 Average: 3 33.15 0.00 1.39 0.47 0.09 64.91