---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8015 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: 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 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 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 733 9353 4 5902 14912 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:5d:7b:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84097sec preferred_lft 84097sec inet6 fe80::f816:3eff:fe5d:7b7c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:38:eb:80:bc:12 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-8015) 09/13/26 _x86_64_ (4 CPU) 20:19:10 LINUX RESTART (4 CPU) 20:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:30:19 49.85 4.39 31.34 14.12 262.80 4925.11 233176.06 20:40:41 45.73 0.34 35.20 10.19 10.02 4458.47 27871.99 20:50:22 45.00 0.00 36.69 8.31 0.32 3001.31 36254.84 Average: 46.89 1.60 34.37 10.92 92.72 4152.19 100229.34 20:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:30:19 10513448 13769636 2190392 13.38 132616 3260472 2497472 14.34 537428 4953128 12968 20:40:41 9063668 13424724 2525052 15.42 192588 4208136 2772272 15.91 795360 6027384 32456 20:50:22 8376252 13233500 2711336 16.56 229648 4620576 2883208 16.55 917196 6542644 44760 Average: 9317789 13475953 2475593 15.12 184951 4029728 2717651 15.60 749995 5841052 30061 20:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:30:19 lo 4.07 4.07 0.42 0.42 0.00 0.00 0.00 0.00 20:30:19 ens3 134.53 104.85 790.86 21.68 0.00 0.00 0.00 0.00 20:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:41 lo 3380.97 3380.97 3224.76 3224.76 0.00 0.00 0.00 0.00 20:40:41 ens3 106.57 77.86 319.50 24.47 0.00 0.00 0.00 0.00 20:40:41 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:22 lo 4427.86 4427.86 4221.54 4221.54 0.00 0.00 0.00 0.00 20:50:22 ens3 78.05 54.52 25.83 22.35 0.00 0.00 0.00 0.00 20:50:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2568.62 2568.62 2448.22 2448.22 0.00 0.00 0.00 0.00 Average: ens3 106.97 79.58 385.84 22.85 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-8015) 09/13/26 _x86_64_ (4 CPU) 20:19:10 LINUX RESTART (4 CPU) 20:20:01 CPU %user %nice %system %iowait %steal %idle 20:30:19 all 45.19 0.00 2.01 0.38 0.04 52.38 20:30:19 0 44.60 0.00 1.86 0.39 0.04 53.11 20:30:19 1 43.25 0.00 1.89 0.30 0.05 54.51 20:30:19 2 44.90 0.00 2.01 0.64 0.05 52.40 20:30:19 3 48.00 0.00 2.30 0.18 0.04 49.49 20:40:41 all 64.35 0.00 3.90 0.10 0.05 31.60 20:40:41 0 63.81 0.00 3.83 0.08 0.05 32.23 20:40:41 1 63.00 0.00 3.39 0.10 0.05 33.45 20:40:41 2 65.42 0.00 4.05 0.10 0.05 30.37 20:40:41 3 65.16 0.00 4.34 0.10 0.05 30.35 20:50:22 all 61.99 0.00 4.29 0.12 0.05 33.56 20:50:22 0 61.68 0.00 4.24 0.07 0.05 33.96 20:50:22 1 61.74 0.00 4.32 0.08 0.05 33.79 20:50:22 2 61.06 0.00 3.77 0.21 0.04 34.92 20:50:22 3 63.48 0.00 4.81 0.12 0.05 31.54 Average: all 57.09 0.00 3.38 0.20 0.05 39.28 Average: 0 56.61 0.00 3.29 0.18 0.05 39.87 Average: 1 55.89 0.00 3.18 0.16 0.05 40.72 Average: 2 57.06 0.00 3.27 0.32 0.05 39.30 Average: 3 58.79 0.00 3.80 0.13 0.05 37.23