---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-60843 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 670 8530 4 6787 14974 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:b3:95:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84157sec preferred_lft 84157sec inet6 fe80::f816:3eff:feb3:95d5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:59:a6:19:2e:a9 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-60843) 09/30/26 _x86_64_ (4 CPU) 09:24:49 LINUX RESTART (4 CPU) 09:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:00 22.50 0.08 19.80 2.62 6.66 2154.11 19076.47 09:50:00 30.23 0.04 27.19 3.00 0.97 4345.00 25127.11 10:00:00 10.17 0.16 9.07 0.95 10.35 6233.67 1520.35 Average: 20.97 0.09 18.69 2.19 5.99 4243.78 15242.18 09:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:00 9197632 13170168 2784520 17.01 147996 3923340 2897360 16.63 731412 6031668 118936 09:50:00 7774920 12649872 3300596 20.16 170124 4763264 3236864 18.58 1005432 7122800 28 10:00:00 8789224 15378936 565496 3.45 181992 6410820 1131368 6.49 1653828 5392068 40 Average: 8587259 13732992 2216871 13.54 166704 5032475 2421864 13.90 1130224 6182179 39668 09:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:00 lo 1334.08 1334.08 1264.39 1264.39 0.00 0.00 0.00 0.00 09:40:00 ens3 37.78 30.80 44.41 11.07 0.00 0.00 0.00 0.00 09:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:00 lo 1248.79 1248.79 1185.17 1185.17 0.00 0.00 0.00 0.00 09:50:00 ens3 38.03 30.85 29.28 11.47 0.00 0.00 0.00 0.00 09:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:00 lo 2552.18 2552.18 9289.66 9289.66 0.00 0.00 0.00 0.00 10:00:00 ens3 50.22 62.48 108.09 874.38 0.00 0.00 0.00 0.00 10:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1711.60 1711.60 3912.47 3912.47 0.00 0.00 0.00 0.00 Average: ens3 42.01 41.37 60.59 298.91 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-60843) 09/30/26 _x86_64_ (4 CPU) 09:24:49 LINUX RESTART (4 CPU) 09:30:00 CPU %user %nice %system %iowait %steal %idle 09:40:00 all 65.71 0.00 2.45 0.08 0.03 31.73 09:40:00 0 64.37 0.00 2.29 0.07 0.03 33.24 09:40:00 1 65.74 0.00 2.63 0.08 0.03 31.53 09:40:00 2 66.37 0.00 2.58 0.10 0.03 30.92 09:40:00 3 66.37 0.00 2.29 0.07 0.03 31.24 09:50:00 all 56.17 0.00 2.47 0.13 0.02 41.20 09:50:00 0 56.05 0.00 2.66 0.11 0.02 41.16 09:50:00 1 56.19 0.00 2.50 0.06 0.02 41.23 09:50:00 2 56.00 0.00 2.25 0.30 0.02 41.42 09:50:00 3 56.43 0.00 2.49 0.07 0.02 40.99 10:00:00 all 29.29 0.00 1.34 0.18 0.04 69.15 10:00:00 0 24.12 0.00 1.32 0.11 0.02 74.43 10:00:00 1 22.95 0.00 1.48 0.14 0.03 75.40 10:00:00 2 38.33 0.00 1.15 0.18 0.06 60.30 10:00:00 3 31.82 0.00 1.43 0.29 0.05 66.42 Average: all 50.37 0.00 2.09 0.13 0.03 47.38 Average: 0 48.14 0.00 2.09 0.10 0.03 49.65 Average: 1 48.26 0.00 2.21 0.09 0.03 49.42 Average: 2 53.57 0.00 1.99 0.19 0.04 44.21 Average: 3 51.54 0.00 2.07 0.14 0.03 46.22