---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6337 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 67G 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 712 9365 4 5911 14933 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:d0:c9:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84088sec preferred_lft 84088sec inet6 fe80::f816:3eff:fed0:c9d9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:ac:91:e7:6f:ee 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-6337) 09/09/26 _x86_64_ (4 CPU) 12:35:54 LINUX RESTART (4 CPU) 12:40:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:16 24.79 2.76 20.14 1.88 361.43 5105.89 6627.87 13:00:11 29.90 0.05 26.63 3.22 1.47 3019.21 22015.84 13:10:00 31.09 0.19 14.47 16.44 11.09 5804.00 238928.33 Average: 28.61 1.00 20.44 7.17 123.89 4636.77 89078.11 12:40:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:16 9507628 13434820 2519988 15.39 156968 3855016 2808612 16.12 775188 5649784 14424 13:00:11 8601312 13071072 2880172 17.59 185360 4325396 3117436 17.89 924184 6362672 548 13:10:00 9678564 15369196 576284 3.52 205068 5458316 1127144 6.47 1001028 5112152 232 Average: 9262501 13958363 1992148 12.17 182465 4546243 2351064 13.50 900133 5708203 5068 12:40:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:16 lo 1174.15 1174.15 1119.62 1119.62 0.00 0.00 0.00 0.00 12:50:16 ens3 78.33 64.61 634.64 15.67 0.00 0.00 0.00 0.00 12:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:11 lo 1694.95 1694.95 1616.04 1616.04 0.00 0.00 0.00 0.00 13:00:11 ens3 29.12 24.92 158.41 9.77 0.00 0.00 0.00 0.00 13:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:00 lo 6.63 6.63 0.66 0.66 0.00 0.00 0.00 0.00 13:10:00 ens3 53.44 52.85 117.46 167.27 0.00 0.00 0.00 0.00 13:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 960.80 960.80 914.24 914.24 0.00 0.00 0.00 0.00 Average: ens3 53.51 47.36 302.53 64.12 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-6337) 09/09/26 _x86_64_ (4 CPU) 12:35:54 LINUX RESTART (4 CPU) 12:40:30 CPU %user %nice %system %iowait %steal %idle 12:50:16 all 56.53 0.00 2.27 0.22 0.02 40.95 12:50:16 0 55.49 0.00 2.26 0.19 0.03 42.04 12:50:16 1 55.77 0.00 2.21 0.44 0.02 41.56 12:50:16 2 57.26 0.00 2.25 0.13 0.02 40.33 12:50:16 3 57.63 0.00 2.36 0.12 0.02 39.87 13:00:11 all 50.33 0.00 2.42 0.17 0.02 47.06 13:00:11 0 50.07 0.00 2.72 0.15 0.02 47.04 13:00:11 1 49.64 0.00 2.21 0.12 0.03 48.01 13:00:11 2 49.67 0.00 2.41 0.18 0.02 47.73 13:00:11 3 51.95 0.00 2.33 0.23 0.02 45.47 13:10:00 all 40.72 0.00 1.47 0.12 0.03 57.67 13:10:00 0 40.49 0.00 2.05 0.09 0.03 57.35 13:10:00 1 45.46 0.00 1.37 0.04 0.03 53.10 13:10:00 2 41.66 0.00 1.31 0.04 0.03 56.95 13:10:00 3 35.26 0.00 1.14 0.32 0.03 63.26 Average: all 49.19 0.00 2.05 0.17 0.03 48.57 Average: 0 48.68 0.00 2.34 0.14 0.03 48.81 Average: 1 50.28 0.00 1.93 0.20 0.03 47.57 Average: 2 49.52 0.00 1.99 0.12 0.02 48.35 Average: 3 48.27 0.00 1.94 0.22 0.02 49.54