---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-59142 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 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): 2 On-line CPU(s) list: 0,1 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): 2 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: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 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: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl 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: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 786 5147 4 2301 7154 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 noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:0b:e5:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83118sec preferred_lft 83118sec inet6 fe80::f816:3eff:fe0b:e5e2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-59142) 09/27/26 _x86_64_ (2 CPU) 00:01:22 LINUX RESTART (2 CPU) 00:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:41 1.34 0.01 1.30 0.02 0.06 16.60 0.97 00:30:09 1.37 0.00 1.34 0.03 0.00 16.56 1.08 00:40:19 25.27 2.79 20.26 2.22 220.44 3466.53 1452.67 00:50:41 15.73 0.32 1.72 13.70 41.71 109.35 102556.45 Average: 11.02 0.78 6.17 4.07 65.90 904.63 26554.64 00:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:41 6296896 7544696 275308 3.39 30800 1423864 530884 5.78 437924 1184480 36 00:30:09 6311792 7560120 259760 3.19 30980 1424160 531172 5.79 438132 1184996 176 00:40:19 5160592 7356232 410144 5.04 87880 2268772 667472 7.27 620588 2041140 132 00:50:41 5113788 7350568 415320 5.11 88388 2309372 871020 9.49 632848 2072000 172 Average: 5720767 7452904 340133 4.18 59512 1856542 650137 7.08 532373 1620654 129 00:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:41 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:20:41 ens3 0.54 0.06 0.08 0.04 0.00 0.00 0.00 0.00 00:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:09 ens3 0.55 0.05 0.10 0.05 0.00 0.00 0.00 0.00 00:40:19 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:19 ens3 79.02 57.87 332.99 12.65 0.00 0.00 0.00 0.00 00:50:41 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:41 ens3 10.12 7.93 61.83 0.97 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 22.65 16.55 99.27 3.44 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-59142) 09/27/26 _x86_64_ (2 CPU) 00:01:22 LINUX RESTART (2 CPU) 00:10:06 CPU %user %nice %system %iowait %steal %idle 00:20:41 all 0.24 0.00 0.09 0.01 0.00 99.65 00:20:41 0 0.42 0.00 0.06 0.02 0.00 99.49 00:20:41 1 0.06 0.00 0.13 0.00 0.00 99.81 00:30:09 all 0.32 0.00 0.18 0.01 0.00 99.49 00:30:09 0 0.30 0.00 0.17 0.01 0.00 99.52 00:30:09 1 0.34 0.00 0.19 0.02 0.00 99.46 00:40:19 all 11.34 0.00 1.99 0.59 0.01 86.06 00:40:19 0 8.69 0.00 1.84 0.72 0.01 88.74 00:40:19 1 14.00 0.00 2.14 0.46 0.01 83.38 00:50:41 all 0.90 0.00 0.26 0.06 0.01 98.77 00:50:41 0 1.12 0.00 0.34 0.02 0.01 98.51 00:50:41 1 0.69 0.00 0.19 0.09 0.00 99.03 Average: all 3.21 0.00 0.63 0.17 0.00 95.98 Average: 0 2.64 0.00 0.60 0.19 0.00 96.55 Average: 1 3.78 0.00 0.66 0.14 0.00 95.41