---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22171 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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 nrip_save 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 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 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 7.9G 30G 21% / 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 755 5303 4 2171 7186 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:5a:11:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82059sec preferred_lft 82059sec inet6 fe80::f816:3eff:fe5a:1147/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22171) 03/24/26 _x86_64_ (2 CPU) 00:39:59 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:03 10.46 5.24 5.11 0.11 489.27 5900.59 443.01 01:00:03 1.54 0.01 1.52 0.02 0.05 18.33 436.51 01:10:03 1.34 0.00 1.32 0.02 0.00 15.55 1.20 01:20:03 2.03 0.32 1.68 0.03 40.08 73.63 1.43 01:30:03 1.60 0.00 1.58 0.03 0.00 19.04 654.48 01:40:03 1.37 0.00 1.35 0.02 0.00 16.17 1.20 01:50:03 21.90 3.02 16.66 2.23 227.76 3118.51 502.24 Average: 5.75 1.23 4.17 0.35 108.50 1312.92 291.57 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:03 6296924 7543016 277560 3.41 30520 1421252 531536 5.79 442208 1183124 260 01:00:03 6295416 7542048 278476 3.42 30720 1421584 531536 5.79 442336 1183656 256 01:10:03 6295416 7542580 277924 3.42 30920 1421908 531736 5.79 442484 1184180 260 01:20:03 6251916 7528056 291920 3.59 31336 1450088 532060 5.80 452268 1201400 332 01:30:03 6263260 7539972 280004 3.44 31556 1450420 532124 5.80 452056 1201952 236 01:40:03 6278156 7555532 264436 3.25 31764 1450872 532252 5.80 452668 1202484 300 01:50:03 5353300 7459796 312100 3.84 85060 2185576 566668 6.17 555220 1944928 2636 Average: 6147770 7530143 283203 3.48 38839 1543100 536845 5.85 462749 1300246 611 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:03 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 00:50:03 ens3 19.46 8.86 67.41 2.01 0.00 0.00 0.00 0.00 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.46 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.43 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:20:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.66 0.26 3.12 0.07 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.28 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.61 0.21 0.13 0.55 0.00 0.00 0.00 0.00 01:50:03 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:03 ens3 53.51 38.13 296.22 10.44 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 10.78 6.81 52.46 1.88 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22171) 03/24/26 _x86_64_ (2 CPU) 00:39:59 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:03 all 1.05 0.00 0.80 1.00 0.04 97.11 00:50:03 0 1.19 0.00 0.67 0.82 0.04 97.29 00:50:03 1 0.91 0.00 0.92 1.17 0.05 96.94 01:00:03 all 0.30 0.00 0.16 0.01 0.04 99.49 01:00:03 0 0.32 0.00 0.15 0.02 0.03 99.49 01:00:03 1 0.27 0.00 0.18 0.01 0.05 99.49 01:10:03 all 0.27 0.00 0.07 0.03 0.05 99.59 01:10:03 0 0.26 0.00 0.08 0.01 0.05 99.61 01:10:03 1 0.27 0.00 0.07 0.05 0.05 99.56 01:20:03 all 0.38 0.00 0.11 0.04 0.04 99.44 01:20:03 0 0.26 0.00 0.12 0.03 0.04 99.55 01:20:03 1 0.49 0.00 0.10 0.05 0.03 99.33 01:30:03 all 0.24 0.00 0.17 0.01 0.04 99.55 01:30:03 0 0.16 0.00 0.19 0.02 0.04 99.59 01:30:03 1 0.33 0.00 0.14 0.00 0.03 99.50 01:40:03 all 0.28 0.00 0.07 0.01 0.03 99.61 01:40:03 0 0.44 0.00 0.05 0.01 0.02 99.48 01:40:03 1 0.12 0.00 0.08 0.01 0.05 99.74 01:50:03 all 10.47 0.00 1.63 0.77 0.06 87.06 01:50:03 0 9.61 0.00 1.61 0.93 0.06 87.79 01:50:03 1 11.33 0.00 1.66 0.62 0.06 86.33 Average: all 1.85 0.00 0.43 0.27 0.04 97.41 Average: 0 1.75 0.00 0.41 0.26 0.04 97.54 Average: 1 1.96 0.00 0.45 0.28 0.04 97.27