---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7870 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 763 5155 4 2316 7178 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:51:cd:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.254/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83571sec preferred_lft 83571sec inet6 fe80::f816:3eff:fe51:cddc/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-7870) 09/13/26 _x86_64_ (2 CPU) 02:37:47 LINUX RESTART (2 CPU) 02:40:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:02 11.67 1.30 8.96 1.40 114.47 1361.91 607.65 03:00:23 1.46 0.01 1.42 0.03 0.05 26.59 2.37 03:10:23 16.16 0.35 1.64 14.18 44.03 116.39 106262.55 03:20:01 1.24 0.00 1.24 0.00 0.01 28.48 0.00 Average: 7.60 0.41 3.27 3.93 38.99 374.74 26955.77 02:40:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:02 5224568 7412840 354100 4.35 87340 2261952 673488 7.34 583072 2034016 284 03:00:23 5197912 7389220 377384 4.64 87556 2264784 673552 7.34 583416 2037048 212 03:10:23 5127752 7361608 404516 4.97 88004 2306756 845028 9.20 603780 2069256 128 03:20:01 5135572 7373792 392328 4.82 88136 2310928 845028 9.20 603816 2073444 252 Average: 5171451 7384365 382082 4.70 87759 2286105 759274 8.27 593521 2053441 219 02:40:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:02 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:50:02 ens3 97.93 78.94 58.24 13.54 0.00 0.00 0.00 0.00 03:00:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:23 ens3 11.41 10.93 2.51 0.81 0.00 0.00 0.00 0.00 03:10:23 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 03:10:23 ens3 12.27 11.86 6.05 0.95 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 24.39 24.22 4.95 1.69 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 35.84 30.95 17.56 4.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7870) 09/13/26 _x86_64_ (2 CPU) 02:37:47 LINUX RESTART (2 CPU) 02:40:23 CPU %user %nice %system %iowait %steal %idle 02:50:02 all 8.04 0.00 1.63 0.23 0.04 90.07 02:50:02 0 8.48 0.00 1.75 0.31 0.04 89.42 02:50:02 1 7.60 0.00 1.51 0.15 0.03 90.71 03:00:23 all 1.72 0.00 0.45 0.01 0.02 97.79 03:00:23 0 2.41 0.00 0.47 0.00 0.02 97.10 03:00:23 1 1.04 0.00 0.43 0.02 0.02 98.49 03:10:23 all 2.06 0.00 0.53 0.05 0.02 97.34 03:10:23 0 2.55 0.00 0.55 0.01 0.02 96.87 03:10:23 1 1.56 0.00 0.50 0.09 0.02 97.82 03:20:01 all 1.81 0.00 0.50 0.02 0.02 97.65 03:20:01 0 2.72 0.00 0.55 0.01 0.02 96.71 03:20:01 1 0.91 0.00 0.46 0.03 0.02 98.58 Average: all 3.37 0.00 0.77 0.07 0.03 95.76 Average: 0 4.00 0.00 0.82 0.08 0.03 95.08 Average: 1 2.74 0.00 0.72 0.07 0.03 96.45