---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2944 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 740 9257 4 5991 14905 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:d4:5e:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83799sec preferred_lft 83799sec inet6 fe80::f816:3eff:fed4:5e4f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:01:d9:16:18:dd 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-2944) 09/07/26 _x86_64_ (4 CPU) 15:47:17 LINUX RESTART (4 CPU) 15:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:01 38.97 2.72 21.59 14.66 172.49 5983.11 247884.27 16:10:01 28.94 0.06 25.88 3.00 1.51 2605.63 10689.79 16:20:01 21.19 0.18 18.30 2.71 10.76 6422.16 100891.00 16:30:01 3.62 0.02 3.24 0.36 2.69 118.48 2168.38 Average: 23.18 0.75 17.25 5.18 46.86 3782.52 90412.50 15:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:01 9291356 13263288 2691160 16.44 155992 3901312 3050284 17.51 720604 5932028 21904 16:10:01 7541508 12229504 3720504 22.72 181236 4540556 3905752 22.42 887036 7450500 300508 16:20:01 9599208 15371112 573756 3.50 203432 5537796 1154704 6.63 954400 5244976 208 16:30:01 9494480 15271900 673044 4.11 204940 5541792 1220200 7.00 960468 5332280 10712 Average: 8981638 14033951 1914616 11.69 186400 4880364 2332735 13.39 880627 5989946 83333 15:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:01 lo 768.41 768.41 732.68 732.68 0.00 0.00 0.00 0.00 16:00:01 ens3 137.03 104.92 1181.25 14.59 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1694.26 1694.26 1615.92 1615.92 0.00 0.00 0.00 0.00 16:10:01 ens3 27.86 25.07 152.24 5.43 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 lo 205.46 205.46 193.44 193.44 0.00 0.00 0.00 0.00 16:20:01 ens3 38.22 35.90 108.02 45.38 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:01 lo 9.14 9.14 0.95 0.95 0.00 0.00 0.00 0.00 16:30:01 ens3 42.14 44.23 20.01 184.82 0.00 0.00 0.00 0.00 16:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 669.24 669.24 635.67 635.67 0.00 0.00 0.00 0.00 Average: ens3 61.31 52.53 365.38 62.56 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-2944) 09/07/26 _x86_64_ (4 CPU) 15:47:17 LINUX RESTART (4 CPU) 15:50:01 CPU %user %nice %system %iowait %steal %idle 16:00:01 all 48.30 0.00 1.99 0.14 0.02 49.55 16:00:01 0 46.48 0.00 1.97 0.19 0.02 51.34 16:00:01 1 50.62 0.00 2.09 0.12 0.02 47.15 16:00:01 2 49.73 0.00 2.04 0.15 0.02 48.06 16:00:01 3 46.38 0.00 1.86 0.09 0.02 51.64 16:10:01 all 50.50 0.00 2.38 0.10 0.02 46.99 16:10:01 0 48.58 0.00 2.13 0.05 0.02 49.23 16:10:01 1 51.60 0.00 2.78 0.14 0.02 45.46 16:10:01 2 50.45 0.00 2.42 0.12 0.02 47.00 16:10:01 3 51.36 0.00 2.21 0.11 0.02 46.29 16:20:01 all 43.95 0.00 1.64 0.09 0.02 54.29 16:20:01 0 45.92 0.00 1.83 0.03 0.03 52.20 16:20:01 1 40.02 0.00 1.37 0.09 0.02 58.50 16:20:01 2 46.30 0.00 1.67 0.18 0.03 51.83 16:20:01 3 43.57 0.00 1.70 0.06 0.02 54.65 16:30:01 all 4.40 0.00 0.24 0.03 0.01 95.32 16:30:01 0 3.77 0.00 0.35 0.00 0.01 95.87 16:30:01 1 2.58 0.00 0.14 0.01 0.01 97.27 16:30:01 2 4.56 0.00 0.30 0.10 0.01 95.04 16:30:01 3 6.69 0.00 0.19 0.01 0.01 93.11 Average: all 36.78 0.00 1.56 0.09 0.02 61.55 Average: 0 36.20 0.00 1.57 0.07 0.02 62.15 Average: 1 36.18 0.00 1.59 0.09 0.02 62.12 Average: 2 37.75 0.00 1.60 0.13 0.02 60.49 Average: 3 36.99 0.00 1.49 0.07 0.02 61.43