---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1419 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: 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: 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 860 15316 4 15915 30763 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:9f:90:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.7/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85112sec preferred_lft 85112sec inet6 fe80::f816:3eff:fe9f:901a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:5d:a2:4b:28:a5 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::445d:a2ff:fe4b:28a5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-8c-8g-1419) 11/06/26 _x86_64_ (8 CPU) 15:08:41 LINUX RESTART (8 CPU) 15:10:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:15 579.45 5.43 559.32 14.71 324.39 62126.40 90050.56 15:30:03 42.43 1.40 33.59 7.44 52.69 4666.72 37092.01 Average: 312.55 3.43 298.03 11.09 189.35 33568.86 63730.09 15:10:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:15 5677824 22485776 9682968 29.47 532576 15558736 16363800 48.26 4113700 19564532 1384 15:30:03 15616820 31471248 733856 2.23 521968 14589968 1748108 5.15 4372828 11306116 52176 Average: 10647322 26978512 5208412 15.85 527272 15074352 9055954 26.70 4243264 15435324 26780 15:10:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:15 lo 0.89 0.89 0.08 0.08 0.00 0.00 0.00 0.00 15:20:15 ens3 503.91 313.81 5048.22 85.53 0.00 0.00 0.00 0.00 15:20:15 docker0 30.30 55.32 1.75 795.48 0.00 0.00 0.00 0.00 15:20:15 br-4577f2edb5bf 0.43 0.40 0.02 0.03 0.00 0.00 0.00 0.00 15:20:15 veth372a745 0.11 0.18 0.01 0.05 0.00 0.00 0.00 0.00 15:20:15 veth2e351ee 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 15:20:15 veth4b76b78 61.86 64.48 34.55 36.32 0.00 0.00 0.00 0.00 15:20:15 veth5cfb4e6 0.03 0.11 0.00 0.01 0.00 0.00 0.00 0.00 15:20:15 vethc6b235b 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 15:20:15 vethd84a597 59.48 56.22 48.39 32.06 0.00 0.00 0.00 0.00 15:20:15 veth2d496f0 0.69 0.62 0.09 0.71 0.00 0.00 0.00 0.00 15:20:15 veth9438323 0.97 1.62 1.27 13.52 0.00 0.00 0.00 0.00 15:30:03 lo 73.43 73.43 335.51 335.51 0.00 0.00 0.00 0.00 15:30:03 ens3 10.16 8.08 5.61 44.52 0.00 0.00 0.00 0.00 15:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 36.94 36.94 166.79 166.79 0.00 0.00 0.00 0.00 Average: ens3 258.51 161.86 2542.04 65.15 0.00 0.00 0.00 0.00 Average: docker0 15.24 27.83 0.88 400.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-8c-8g-1419) 11/06/26 _x86_64_ (8 CPU) 15:08:41 LINUX RESTART (8 CPU) 15:10:21 CPU %user %nice %system %iowait %steal %idle 15:20:15 all 28.29 0.03 5.23 1.46 0.02 64.98 15:20:15 0 26.53 0.02 5.27 1.36 0.02 66.80 15:20:15 1 28.58 0.03 5.17 1.87 0.02 64.33 15:20:15 2 29.37 0.03 5.58 1.71 0.02 63.30 15:20:15 3 28.19 0.03 5.21 1.43 0.02 65.12 15:20:15 4 29.34 0.01 5.26 1.17 0.02 64.20 15:20:15 5 26.57 0.02 5.24 1.37 0.02 66.79 15:20:15 6 27.50 0.04 4.90 1.71 0.02 65.83 15:20:15 7 30.22 0.02 5.17 1.09 0.02 63.48 15:30:03 all 20.48 0.01 4.13 0.19 0.02 75.16 15:30:03 0 19.71 0.02 5.09 0.12 0.02 75.04 15:30:03 1 19.66 0.01 4.47 0.19 0.02 75.66 15:30:03 2 20.27 0.01 4.14 0.11 0.02 75.46 15:30:03 3 20.08 0.00 3.83 0.17 0.02 75.91 15:30:03 4 20.43 0.01 4.06 0.34 0.02 75.14 15:30:03 5 20.32 0.02 3.71 0.20 0.02 75.73 15:30:03 6 22.48 0.01 3.89 0.10 0.03 73.49 15:30:03 7 20.94 0.01 3.85 0.29 0.02 74.89 Average: all 24.40 0.02 4.68 0.83 0.02 70.05 Average: 0 23.12 0.02 5.18 0.74 0.02 70.92 Average: 1 24.14 0.02 4.82 1.03 0.02 69.98 Average: 2 24.84 0.02 4.86 0.91 0.02 69.35 Average: 3 24.16 0.02 4.52 0.80 0.02 70.49 Average: 4 24.91 0.01 4.66 0.76 0.02 69.64 Average: 5 23.46 0.02 4.48 0.79 0.02 71.24 Average: 6 25.01 0.02 4.40 0.91 0.02 69.64 Average: 7 25.60 0.01 4.52 0.69 0.02 69.15