---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-47051 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 11G 68G 14% / 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 623 10868 4 4496 15022 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:8a:f5:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.164/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82887sec preferred_lft 82887sec inet6 fe80::f816:3eff:fe8a:f52d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:d2:7e:df:60:d1 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-47051) 09/03/26 _x86_64_ (4 CPU) 06:43:17 LINUX RESTART (4 CPU) 06:50:41 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:14 1.32 0.01 1.31 0.01 0.04 15.51 0.20 07:10:41 1.26 0.00 1.25 0.01 0.00 14.79 0.06 07:20:41 29.48 2.24 26.62 0.61 133.04 2441.19 706.24 07:30:37 9.02 2.26 6.45 0.31 136.03 2198.21 493.22 07:40:05 34.50 0.52 27.92 6.06 21.82 4841.08 5180.41 Average: 14.91 1.01 12.55 1.35 58.47 1870.05 1234.96 06:50:41 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:14 13757860 15539352 479268 2.93 53844 1955404 1158572 6.65 193352 2176584 24 07:10:41 13755092 15537036 481508 2.94 54284 1955412 1158812 6.65 193796 2182420 4 07:20:41 13106900 15546084 434724 2.66 91824 2542828 1003060 5.76 309636 2651036 144 07:30:37 10853732 13976272 1985552 12.13 127640 3142608 2629796 15.10 507172 4653520 20576 07:40:05 11148484 15394172 561628 3.43 149048 4195972 1116232 6.41 879888 3912144 284 Average: 12524414 15198583 788536 4.82 95328 2758445 1413294 8.11 416769 3115141 4206 06:50:41 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:14 lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 0.00 07:00:14 ens3 0.63 0.24 0.19 0.15 0.00 0.00 0.00 0.00 07:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:41 lo 0.07 0.07 0.01 0.01 0.00 0.00 0.00 0.00 07:10:41 ens3 0.64 0.31 0.14 0.65 0.00 0.00 0.00 0.00 07:10:41 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:41 lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 07:20:41 ens3 47.56 34.78 317.74 7.39 0.00 0.00 0.00 0.00 07:20:41 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:37 lo 0.47 0.47 0.05 0.05 0.00 0.00 0.00 0.00 07:30:37 ens3 92.08 73.60 622.97 13.39 0.00 0.00 0.00 0.00 07:30:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:05 lo 2539.27 2539.27 2414.63 2414.63 0.00 0.00 0.00 0.00 07:40:05 ens3 99.68 88.73 461.12 76.92 0.00 0.00 0.00 0.00 07:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 486.79 486.79 462.75 462.75 0.00 0.00 0.00 0.00 Average: ens3 47.50 38.96 278.02 19.10 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-47051) 09/03/26 _x86_64_ (4 CPU) 06:43:17 LINUX RESTART (4 CPU) 06:50:41 CPU %user %nice %system %iowait %steal %idle 07:00:14 all 0.15 0.00 0.03 0.01 0.00 99.80 07:00:14 0 0.11 0.00 0.04 0.05 0.01 99.80 07:00:14 1 0.18 0.00 0.02 0.00 0.00 99.79 07:00:14 2 0.29 0.00 0.02 0.00 0.00 99.68 07:00:14 3 0.03 0.00 0.03 0.01 0.00 99.94 07:10:41 all 0.13 0.00 0.03 0.03 0.01 99.82 07:10:41 0 0.04 0.00 0.04 0.07 0.00 99.85 07:10:41 1 0.05 0.00 0.01 0.00 0.00 99.94 07:10:41 2 0.39 0.00 0.03 0.03 0.01 99.54 07:10:41 3 0.03 0.00 0.03 0.00 0.01 99.93 07:20:41 all 3.10 0.00 0.42 0.27 0.01 96.21 07:20:41 0 2.51 0.00 0.34 0.07 0.01 97.06 07:20:41 1 4.14 0.00 0.44 0.54 0.01 94.86 07:20:41 2 1.49 0.00 0.39 0.37 0.01 97.75 07:20:41 3 4.25 0.00 0.50 0.09 0.01 95.15 07:30:37 all 27.12 0.00 1.18 0.05 0.02 71.63 07:30:37 0 26.61 0.00 0.90 0.02 0.02 72.45 07:30:37 1 26.44 0.00 1.14 0.08 0.02 72.32 07:30:37 2 28.37 0.00 1.47 0.03 0.02 70.10 07:30:37 3 27.05 0.00 1.21 0.05 0.02 71.67 07:40:05 all 44.42 0.00 2.83 0.14 0.03 52.59 07:40:05 0 42.94 0.00 2.57 0.19 0.02 54.28 07:40:05 1 45.39 0.00 3.10 0.19 0.02 51.29 07:40:05 2 44.88 0.00 2.80 0.06 0.03 52.23 07:40:05 3 44.47 0.00 2.83 0.10 0.03 52.57 Average: all 14.63 0.00 0.87 0.10 0.01 84.38 Average: 0 14.11 0.00 0.76 0.08 0.01 85.05 Average: 1 14.88 0.00 0.92 0.16 0.01 84.02 Average: 2 14.73 0.00 0.92 0.10 0.01 84.23 Average: 3 14.81 0.00 0.90 0.05 0.01 84.23