---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-21008 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 65G 17% / 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 687 8055 4 7246 14959 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:0b:ab:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.119/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83744sec preferred_lft 83744sec inet6 fe80::f816:3eff:fe0b:abdd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:38:53:b9:d4:f8 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-21008) 05/28/26 _x86_64_ (4 CPU) 19:01:32 LINUX RESTART (4 CPU) 19:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:07 24.01 0.41 20.70 2.90 17.87 2411.57 5918.84 19:30:01 35.22 0.01 31.63 3.58 0.22 2664.69 15494.42 19:40:07 6.00 0.02 5.78 0.19 0.28 3088.23 1574.39 Average: 21.64 0.15 19.28 2.21 6.12 2722.94 7615.22 19:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:07 9449348 13358212 2598136 15.87 145288 3870980 2666900 15.31 847572 5668264 27980 19:30:01 8711888 13054624 2898704 17.70 166136 4253364 2996792 17.20 966408 6254664 40672 19:40:07 6863900 13156160 2790724 17.04 182700 6122900 2831064 16.25 1654476 7340776 1147352 Average: 8341712 13189665 2762521 16.87 164708 4749081 2831585 16.25 1156152 6421235 405335 19:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:07 lo 1437.17 1437.17 1363.74 1363.74 0.00 0.00 0.00 0.00 19:20:07 ens3 50.75 41.39 75.69 14.08 0.00 0.00 0.00 0.00 19:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1530.34 1530.34 1458.29 1458.29 0.00 0.00 0.00 0.00 19:30:01 ens3 35.60 30.25 29.00 11.95 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:07 lo 2543.18 2543.18 9203.35 9203.35 0.00 0.00 0.00 0.00 19:40:07 ens3 18.52 15.51 92.57 4.57 0.00 0.00 0.00 0.00 19:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1840.34 1840.34 4034.79 4034.79 0.00 0.00 0.00 0.00 Average: ens3 34.90 29.00 65.97 10.18 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-21008) 05/28/26 _x86_64_ (4 CPU) 19:01:32 LINUX RESTART (4 CPU) 19:10:07 CPU %user %nice %system %iowait %steal %idle 19:20:07 all 68.94 0.00 2.45 0.06 0.11 28.43 19:20:07 0 69.37 0.00 2.49 0.10 0.11 27.94 19:20:07 1 67.64 0.00 2.50 0.07 0.11 29.69 19:20:07 2 69.62 0.00 2.38 0.03 0.11 27.86 19:20:07 3 69.16 0.00 2.45 0.04 0.11 28.24 19:30:01 all 63.16 0.00 2.72 0.18 0.11 33.84 19:30:01 0 61.56 0.00 2.30 0.05 0.10 35.99 19:30:01 1 63.18 0.00 2.84 0.12 0.11 33.75 19:30:01 2 64.65 0.00 2.96 0.39 0.10 31.89 19:30:01 3 63.26 0.00 2.77 0.16 0.11 33.71 19:40:07 all 30.27 0.00 1.23 0.48 0.08 67.93 19:40:07 0 30.76 0.00 1.46 0.14 0.08 67.56 19:40:07 1 28.96 0.00 1.44 0.30 0.08 69.22 19:40:07 2 31.00 0.00 0.87 0.11 0.08 67.95 19:40:07 3 30.38 0.00 1.16 1.38 0.09 67.00 Average: all 54.00 0.00 2.13 0.24 0.10 43.54 Average: 0 53.79 0.00 2.08 0.10 0.10 43.94 Average: 1 53.13 0.00 2.25 0.16 0.10 44.36 Average: 2 54.95 0.00 2.06 0.18 0.10 42.71 Average: 3 54.12 0.00 2.12 0.53 0.10 43.13