---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1362 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 23G 133G 15% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 844 15786 4 15461 30779 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:fe:5b:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.68/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85092sec preferred_lft 85092sec inet6 fe80::f816:3eff:fefe:5b4f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:fc:88:4e:2a:dd 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 inet6 fe80::1cfc:88ff:fe4e:2add/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-8c-8g-1362) 11/06/26 _x86_64_ (8 CPU) 12:38:42 LINUX RESTART (8 CPU) 12:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:10 580.72 4.82 560.78 15.12 307.35 61061.65 76183.69 13:00:01 60.96 1.78 50.85 8.33 54.05 6767.94 67279.20 Average: 322.89 3.31 307.83 11.75 181.70 34129.58 71766.68 12:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:10 5653648 22348556 9821104 29.89 528792 15464416 16631048 49.04 3983916 19742792 3120 13:00:01 16197776 31559344 646252 1.97 521664 14120316 1676192 4.94 4250040 10880468 26776 Average: 10925712 26953950 5233678 15.93 525228 14792366 9153620 26.99 4116978 15311630 14948 12:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:10 lo 0.90 0.90 0.08 0.08 0.00 0.00 0.00 0.00 12:50:10 ens3 460.75 292.54 4753.84 77.44 0.00 0.00 0.00 0.00 12:50:10 docker0 33.61 58.80 1.92 788.81 0.00 0.00 0.00 0.00 12:50:10 br-fc706333f22f 0.42 0.40 0.02 0.03 0.00 0.00 0.00 0.00 12:50:10 veth3470917 42.92 44.31 18.27 24.11 0.00 0.00 0.00 0.00 12:50:10 veth152f752 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 12:50:10 veth6384fc2 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 12:50:10 veth8f0d6c5 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 12:50:10 veth76e5ebd 0.10 0.17 0.01 0.04 0.00 0.00 0.00 0.00 12:50:10 veth3cf3581 38.83 36.96 32.93 15.37 0.00 0.00 0.00 0.00 12:50:10 veth354e767 0.57 0.55 0.07 0.65 0.00 0.00 0.00 0.00 12:50:10 veth566b546 0.71 1.17 0.82 10.29 0.00 0.00 0.00 0.00 13:00:01 lo 74.48 74.48 334.26 334.26 0.00 0.00 0.00 0.00 13:00:01 ens3 16.53 14.59 49.79 4.35 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 37.40 37.40 165.85 165.85 0.00 0.00 0.00 0.00 Average: ens3 240.40 154.66 2420.42 41.18 0.00 0.00 0.00 0.00 Average: docker0 16.94 29.63 0.97 397.53 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-8c-8g-1362) 11/06/26 _x86_64_ (8 CPU) 12:38:42 LINUX RESTART (8 CPU) 12:40:10 CPU %user %nice %system %iowait %steal %idle 12:50:10 all 28.27 0.02 5.44 1.15 0.02 65.09 12:50:10 0 31.86 0.03 5.43 0.99 0.02 61.68 12:50:10 1 29.57 0.01 5.20 1.20 0.02 64.00 12:50:10 2 28.43 0.02 5.60 0.84 0.02 65.09 12:50:10 3 28.19 0.02 5.76 1.05 0.02 64.96 12:50:10 4 28.95 0.02 4.79 0.86 0.02 65.37 12:50:10 5 27.11 0.02 5.76 1.42 0.02 65.67 12:50:10 6 25.04 0.04 5.04 1.14 0.02 68.73 12:50:10 7 27.01 0.02 5.98 1.69 0.02 65.28 13:00:01 all 21.98 0.01 4.49 0.22 0.02 73.27 13:00:01 0 21.72 0.01 5.61 0.24 0.02 72.40 13:00:01 1 22.43 0.00 4.87 0.17 0.02 72.51 13:00:01 2 21.95 0.01 4.30 0.36 0.02 73.37 13:00:01 3 22.96 0.01 4.50 0.38 0.02 72.13 13:00:01 4 21.47 0.02 4.28 0.14 0.02 74.07 13:00:01 5 22.38 0.01 4.07 0.20 0.02 73.32 13:00:01 6 22.02 0.02 4.19 0.15 0.02 73.61 13:00:01 7 20.94 0.01 4.13 0.11 0.03 74.78 Average: all 25.15 0.02 4.97 0.69 0.02 69.15 Average: 0 26.81 0.02 5.52 0.62 0.02 67.02 Average: 1 26.02 0.01 5.04 0.69 0.02 68.23 Average: 2 25.21 0.01 4.96 0.60 0.02 69.20 Average: 3 25.59 0.02 5.13 0.72 0.02 68.52 Average: 4 25.24 0.02 4.54 0.50 0.02 69.68 Average: 5 24.76 0.02 4.92 0.82 0.02 69.47 Average: 6 23.54 0.03 4.61 0.65 0.02 71.15 Average: 7 24.00 0.01 5.06 0.91 0.02 69.99