---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2995 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 8.4G 30G 23% / 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 764 4767 4 2708 7177 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:b2:bf:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82763sec preferred_lft 82763sec inet6 fe80::f816:3eff:feb2:bf63/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-2995) 09/08/26 _x86_64_ (2 CPU) 00:43:33 LINUX RESTART (2 CPU) 00:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.60 0.01 1.56 0.03 0.05 19.39 0.62 01:10:07 1.25 0.00 1.24 0.02 0.00 16.36 0.30 01:20:07 1.56 0.00 1.52 0.04 0.01 416.36 0.79 01:30:01 15.78 0.00 1.44 14.33 0.15 261.87 107070.45 01:40:07 1.97 0.32 1.62 0.02 42.66 106.12 0.65 Average: 4.40 0.07 1.47 2.86 8.66 163.71 21202.92 00:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 5042816 7226380 540712 6.65 88400 2256232 775676 8.45 718576 2028768 160 01:10:07 5059280 7243500 523596 6.44 88560 2256724 780660 8.50 706064 2029424 188 01:20:07 4838896 7144836 620808 7.63 88736 2377028 912696 9.94 838376 2149904 172 01:30:01 4489124 6869112 895124 11.01 88928 2449900 1071920 11.68 997844 2222904 308 01:40:07 4579568 6999500 763828 9.39 89372 2488892 1209620 13.18 961472 2252164 248 Average: 4801937 7096666 668814 8.22 88799 2365755 950114 10.35 844466 2136633 215 00:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 16.07 15.04 384.52 1.04 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 39.07 35.66 975.73 2.50 0.00 0.00 0.00 0.00 01:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:07 ens3 22.75 21.66 560.66 1.51 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 19.35 18.76 519.84 1.29 0.00 0.00 0.00 0.00 01:40:07 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 7.62 7.18 177.84 0.53 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 21.00 19.68 524.29 1.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-2995) 09/08/26 _x86_64_ (2 CPU) 00:43:33 LINUX RESTART (2 CPU) 00:50:07 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.59 0.00 0.37 0.01 0.01 99.01 01:00:01 0 0.47 0.00 0.34 0.00 0.02 99.17 01:00:01 1 0.72 0.00 0.41 0.02 0.01 98.84 01:10:07 all 0.93 0.00 0.49 0.01 0.02 98.55 01:10:07 0 1.35 0.00 0.71 0.01 0.02 97.91 01:10:07 1 0.51 0.00 0.26 0.01 0.02 99.20 01:20:07 all 0.89 0.00 0.31 0.02 0.01 98.77 01:20:07 0 0.61 0.00 0.18 0.01 0.01 99.20 01:20:07 1 1.17 0.00 0.44 0.03 0.02 98.35 01:30:01 all 0.79 0.00 0.41 0.05 0.01 98.74 01:30:01 0 0.69 0.00 0.36 0.01 0.01 98.93 01:30:01 1 0.89 0.00 0.46 0.09 0.01 98.55 01:40:07 all 0.63 0.00 0.24 0.03 0.01 99.09 01:40:07 0 0.64 0.00 0.33 0.03 0.01 98.98 01:40:07 1 0.62 0.00 0.16 0.03 0.00 99.20 Average: all 0.77 0.00 0.37 0.02 0.01 98.83 Average: 0 0.75 0.00 0.39 0.01 0.01 98.83 Average: 1 0.78 0.00 0.34 0.03 0.01 98.83