---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-60844 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 668 7971 4 7349 14977 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:5e:ac:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.201/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84045sec preferred_lft 84045sec inet6 fe80::f816:3eff:fe5e:acca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:8a:ab:02:53:8f 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-60844) 09/30/26 _x86_64_ (4 CPU) 09:25:36 LINUX RESTART (4 CPU) 09:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:29 38.84 0.29 22.35 16.20 33.13 3380.60 255627.02 09:50:29 33.34 0.03 30.01 3.31 0.61 4658.96 20201.13 10:00:01 9.80 0.03 9.37 0.41 0.52 6498.51 51921.25 Average: 27.78 0.12 20.77 6.88 11.92 4798.12 112387.65 09:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:29 8621028 12622288 3332448 20.35 148820 3953996 3642884 20.91 737540 6603692 5928 09:50:29 7584376 12645724 3303756 20.18 168224 4945604 3502572 20.10 1031580 7293780 2084 10:00:01 5759560 12581552 3361728 20.53 183684 6631432 3569228 20.49 1694112 8386092 21960 Average: 7321655 12616521 3332644 20.35 166909 5177011 3571561 20.50 1154411 7427855 9991 09:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:29 lo 1405.14 1405.14 1333.39 1333.39 0.00 0.00 0.00 0.00 09:40:29 ens3 79.37 52.55 357.47 13.68 0.00 0.00 0.00 0.00 09:40:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:29 lo 1411.92 1411.92 1345.55 1345.55 0.00 0.00 0.00 0.00 09:50:29 ens3 39.05 31.00 29.55 12.06 0.00 0.00 0.00 0.00 09:50:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 2670.23 2670.23 9737.63 9737.63 0.00 0.00 0.00 0.00 10:00:01 ens3 25.59 21.49 128.16 4.61 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1809.68 1809.68 4009.90 4009.90 0.00 0.00 0.00 0.00 Average: ens3 48.83 35.49 175.26 10.26 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-60844) 09/30/26 _x86_64_ (4 CPU) 09:25:36 LINUX RESTART (4 CPU) 09:30:01 CPU %user %nice %system %iowait %steal %idle 09:40:29 all 62.23 0.00 2.54 2.04 0.03 33.16 09:40:29 0 61.22 0.00 2.58 2.82 0.03 33.34 09:40:29 1 62.25 0.00 2.41 0.91 0.03 34.40 09:40:29 2 63.97 0.00 2.75 2.81 0.03 30.44 09:40:29 3 61.48 0.00 2.41 1.62 0.03 34.47 09:50:29 all 61.05 0.00 2.78 0.67 0.03 35.47 09:50:29 0 60.69 0.00 2.96 0.92 0.03 35.41 09:50:29 1 63.25 0.00 2.55 0.20 0.04 33.97 09:50:29 2 61.35 0.00 2.92 0.44 0.03 35.26 09:50:29 3 58.91 0.00 2.69 1.13 0.03 37.24 10:00:01 all 30.71 0.00 1.39 0.30 0.03 67.57 10:00:01 0 31.18 0.00 1.17 0.72 0.02 66.90 10:00:01 1 24.04 0.00 1.74 0.22 0.02 73.98 10:00:01 2 38.65 0.00 1.29 0.15 0.03 59.87 10:00:01 3 28.99 0.00 1.37 0.11 0.02 69.51 Average: all 51.80 0.00 2.25 1.03 0.03 44.88 Average: 0 51.47 0.00 2.26 1.52 0.03 44.72 Average: 1 50.42 0.00 2.24 0.45 0.03 46.86 Average: 2 55.04 0.00 2.35 1.17 0.03 41.41 Average: 3 50.28 0.00 2.17 0.98 0.03 46.55