---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-58867 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 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 651 8204 4 7132 14994 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:b0:83:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84063sec preferred_lft 84063sec inet6 fe80::f816:3eff:feb0:83cb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:5f:53:73:fa:ed 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-58867) 09/26/26 _x86_64_ (4 CPU) 07:57:04 LINUX RESTART (4 CPU) 08:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:09 27.36 1.01 23.39 2.96 42.65 3833.02 4902.38 08:20:01 31.35 0.03 28.06 3.27 0.61 2537.72 10595.82 08:30:01 6.97 0.02 6.52 0.42 0.45 2898.79 3807.19 Average: 21.87 0.36 19.30 2.22 14.74 3095.20 6411.57 08:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:09 8530176 12234812 3721800 22.73 138452 3680564 3796172 21.79 690016 6742692 13564 08:20:01 8820192 12969316 2983840 18.22 163328 4067468 3025176 17.36 815156 6300268 22252 08:30:01 7814856 12661936 3289312 20.09 164584 4740380 3423996 19.65 1024504 7073488 320 Average: 8388408 12622021 3331651 20.35 155455 4162804 3415115 19.60 843225 6705483 12045 08:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:09 lo 1668.15 1668.15 1583.64 1583.64 0.00 0.00 0.00 0.00 08:10:09 ens3 97.87 74.60 500.71 17.21 0.00 0.00 0.00 0.00 08:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 lo 1503.44 1503.44 1432.81 1432.81 0.00 0.00 0.00 0.00 08:20:01 ens3 38.44 30.65 26.52 11.96 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 2672.43 2672.43 9394.03 9394.03 0.00 0.00 0.00 0.00 08:30:01 ens3 10.93 8.72 8.26 3.15 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1948.69 1948.69 4137.51 4137.51 0.00 0.00 0.00 0.00 Average: ens3 49.33 38.17 180.45 10.80 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-58867) 09/26/26 _x86_64_ (4 CPU) 07:57:04 LINUX RESTART (4 CPU) 08:00:01 CPU %user %nice %system %iowait %steal %idle 08:10:09 all 68.26 0.00 2.84 0.08 0.04 28.78 08:10:09 0 68.14 0.00 2.60 0.10 0.04 29.12 08:10:09 1 68.73 0.00 3.19 0.05 0.04 27.98 08:10:09 2 67.50 0.00 2.87 0.11 0.04 29.48 08:10:09 3 68.68 0.00 2.70 0.06 0.03 28.53 08:20:01 all 62.95 0.00 2.81 0.12 0.03 34.09 08:20:01 0 63.38 0.00 3.12 0.10 0.03 33.38 08:20:01 1 63.32 0.00 2.52 0.12 0.02 34.01 08:20:01 2 64.00 0.00 3.07 0.11 0.03 32.78 08:20:01 3 61.11 0.00 2.52 0.16 0.02 36.19 08:30:01 all 32.86 0.00 1.41 0.05 0.02 65.67 08:30:01 0 32.33 0.00 1.21 0.06 0.02 66.38 08:30:01 1 30.89 0.00 1.37 0.01 0.02 67.72 08:30:01 2 35.81 0.00 1.66 0.06 0.03 62.45 08:30:01 3 32.40 0.00 1.40 0.07 0.02 66.12 Average: all 54.71 0.00 2.35 0.08 0.03 42.83 Average: 0 54.64 0.00 2.31 0.09 0.03 42.94 Average: 1 54.34 0.00 2.36 0.06 0.03 43.21 Average: 2 55.77 0.00 2.53 0.09 0.03 41.57 Average: 3 54.09 0.00 2.21 0.09 0.02 43.58