---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7341 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 8.1G 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 802 5031 4 2402 7138 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:49:c9:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.242/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82588sec preferred_lft 82588sec inet6 fe80::f816:3eff:fe49:c94d/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-7341) 09/12/26 _x86_64_ (2 CPU) 00:35:02 LINUX RESTART (2 CPU) 00:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:06 1.96 0.33 1.60 0.02 43.13 114.76 2.65 01:00:05 15.86 0.00 1.63 14.23 0.15 25.34 106559.69 01:10:06 1.44 0.00 1.41 0.02 0.00 131.80 389.97 01:20:06 1.40 0.01 1.37 0.02 0.21 56.97 0.16 01:30:05 1.76 0.00 1.72 0.04 0.00 28.06 0.56 Average: 4.48 0.07 1.55 2.86 8.70 71.47 21343.67 00:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:06 5062192 7295292 470872 5.79 87696 2306576 918624 10.01 670868 2068844 308 01:00:05 5050532 7285728 480276 5.91 87888 2308428 918512 10.00 670288 2070844 268 01:10:06 4925708 7196280 569156 7.00 88080 2343132 923720 10.06 673668 2105732 332 01:20:06 5010584 7294192 471052 5.79 88260 2355780 910396 9.92 661496 2118468 492 01:30:05 4984896 7270828 494356 6.08 88432 2357916 927420 10.10 678428 2120748 260 Average: 5006782 7268464 497142 6.11 88071 2334366 919734 10.02 670950 2096927 332 00:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:06 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:06 ens3 23.73 22.40 268.32 2.33 0.00 0.00 0.00 0.00 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 7.19 6.58 61.41 0.82 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 10.10 6.72 73.48 0.93 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 16.57 15.19 191.08 1.73 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 14.87 13.85 224.60 1.44 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 14.49 12.95 163.75 1.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7341) 09/12/26 _x86_64_ (2 CPU) 00:35:02 LINUX RESTART (2 CPU) 00:40:06 CPU %user %nice %system %iowait %steal %idle 00:50:06 all 1.26 0.00 0.40 0.03 0.01 98.31 00:50:06 0 1.41 0.00 0.40 0.02 0.01 98.17 00:50:06 1 1.11 0.00 0.40 0.03 0.01 98.46 01:00:05 all 0.90 0.00 0.33 0.04 0.01 98.71 01:00:05 0 1.00 0.00 0.31 0.07 0.01 98.61 01:00:05 1 0.81 0.00 0.36 0.01 0.01 98.82 01:10:06 all 1.09 0.00 0.24 0.02 0.02 98.62 01:10:06 0 0.76 0.00 0.21 0.03 0.01 98.98 01:10:06 1 1.48 0.00 0.28 0.01 0.03 98.21 01:20:06 all 1.98 0.00 0.38 0.01 0.01 97.63 01:20:06 0 2.24 0.00 0.48 0.02 0.01 97.25 01:20:06 1 1.71 0.00 0.27 0.01 0.01 98.00 01:30:05 all 1.03 0.00 0.42 0.01 0.01 98.53 01:30:05 0 0.70 0.00 0.30 0.01 0.01 98.98 01:30:05 1 1.35 0.00 0.54 0.02 0.01 98.08 Average: all 1.25 0.00 0.36 0.02 0.01 98.36 Average: 0 1.22 0.00 0.34 0.03 0.01 98.40 Average: 1 1.29 0.00 0.37 0.01 0.01 98.31