---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6352 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 649 8608 4 6731 14996 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:82:4d:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83348sec preferred_lft 83348sec inet6 fe80::f816:3eff:fe82:4daa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:04:b4:4f:dc:a6 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-6352) 09/09/26 _x86_64_ (4 CPU) 13:59:14 LINUX RESTART (4 CPU) 14:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:18 61.60 4.70 42.30 14.60 269.19 5801.30 244594.87 14:20:15 17.65 0.07 15.64 1.94 6.49 1917.11 8033.83 14:30:00 32.14 0.02 28.74 3.38 0.57 2482.93 33380.32 14:40:19 8.71 0.03 8.29 0.39 0.52 6982.26 50025.22 Average: 29.98 1.22 23.67 5.09 69.91 4337.26 84759.87 14:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:18 10519128 13881756 2078844 12.70 122724 3387536 2335220 13.40 578508 4923724 12972 14:20:15 8967200 12760368 3196152 19.52 142636 3757832 3176948 18.24 722360 6267136 13444 14:30:00 8020004 12786844 3165228 19.33 162440 4668112 3204284 18.39 1004288 6898316 577816 14:40:19 6200536 12722192 3223708 19.69 174916 6351348 3225104 18.51 1652348 7977468 290944 Average: 8426717 13037790 2915983 17.81 150679 4541207 2985389 17.14 989376 6516661 223794 14:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:18 lo 706.94 706.94 672.61 672.61 0.00 0.00 0.00 0.00 14:10:18 ens3 179.36 139.75 1235.75 19.30 0.00 0.00 0.00 0.00 14:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:15 lo 1071.88 1071.88 1014.83 1014.83 0.00 0.00 0.00 0.00 14:20:15 ens3 29.33 24.46 46.01 16.96 0.00 0.00 0.00 0.00 14:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:00 lo 1543.87 1543.87 1471.13 1471.13 0.00 0.00 0.00 0.00 14:30:00 ens3 30.35 25.70 30.69 12.42 0.00 0.00 0.00 0.00 14:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:19 lo 2457.82 2457.82 9008.26 9008.26 0.00 0.00 0.00 0.00 14:40:19 ens3 17.37 15.05 91.05 3.57 0.00 0.00 0.00 0.00 14:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1450.25 1450.25 3092.47 3092.47 0.00 0.00 0.00 0.00 Average: ens3 64.42 51.48 354.55 13.01 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-6352) 09/09/26 _x86_64_ (4 CPU) 13:59:14 LINUX RESTART (4 CPU) 14:00:10 CPU %user %nice %system %iowait %steal %idle 14:10:18 all 31.89 0.00 2.12 0.40 0.04 65.55 14:10:18 0 30.22 0.00 1.99 0.42 0.04 67.32 14:10:18 1 30.78 0.00 1.81 0.52 0.04 66.85 14:10:18 2 34.26 0.00 2.49 0.54 0.04 62.67 14:10:18 3 32.29 0.00 2.19 0.11 0.04 65.37 14:20:15 all 59.87 0.00 2.23 0.08 0.05 37.77 14:20:15 0 59.30 0.00 2.15 0.06 0.06 38.44 14:20:15 1 60.86 0.00 2.47 0.10 0.06 36.52 14:20:15 2 60.10 0.00 2.36 0.12 0.06 37.36 14:20:15 3 59.23 0.00 1.94 0.03 0.05 38.75 14:30:00 all 59.44 0.00 2.77 0.13 0.04 37.62 14:30:00 0 61.71 0.00 2.85 0.20 0.04 35.19 14:30:00 1 57.65 0.00 2.69 0.12 0.04 39.50 14:30:00 2 59.55 0.00 2.82 0.09 0.04 37.50 14:30:00 3 58.84 0.00 2.73 0.10 0.04 38.28 14:40:19 all 30.22 0.00 1.39 0.15 0.05 68.19 14:40:19 0 28.47 0.00 0.84 0.06 0.04 70.59 14:40:19 1 35.68 0.00 2.11 0.18 0.05 61.98 14:40:19 2 33.15 0.00 1.20 0.12 0.05 65.49 14:40:19 3 23.60 0.00 1.42 0.23 0.05 74.69 Average: all 45.07 0.00 2.12 0.19 0.05 52.57 Average: 0 44.61 0.00 1.94 0.19 0.04 53.22 Average: 1 46.00 0.00 2.26 0.23 0.05 51.46 Average: 2 46.51 0.00 2.21 0.22 0.05 51.02 Average: 3 43.17 0.00 2.06 0.12 0.05 54.60