---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28202 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 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 760 5030 4 2451 7181 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:1e:37:3a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82096sec preferred_lft 82096sec inet6 fe80::f816:3eff:fe1e:373a/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-28202) 06/18/26 _x86_64_ (2 CPU) 01:58:18 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.25 0.02 1.23 0.00 1.24 15.56 0.12 02:20:01 1.87 0.26 1.59 0.02 32.09 75.44 0.84 02:30:01 1.36 0.00 1.33 0.03 0.00 16.65 654.89 02:40:02 1.25 0.00 1.25 0.00 0.00 15.23 0.00 02:50:02 1.34 0.00 1.34 0.00 0.00 15.99 0.00 03:00:01 1.56 0.00 1.54 0.02 0.00 19.29 654.95 Average: 1.44 0.05 1.38 0.01 5.56 26.36 218.17 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6283388 7530364 289824 3.56 30564 1422288 528692 5.76 437372 1183232 188 02:20:01 6249984 7524172 295628 3.64 30948 1448760 528760 5.76 446720 1201012 240 02:30:01 6247104 7521836 297972 3.66 31144 1449088 528692 5.76 446616 1201536 268 02:40:02 6247104 7522324 297484 3.66 31308 1449412 528780 5.76 447008 1202024 208 02:50:02 6247104 7522812 296976 3.65 31460 1449736 529116 5.76 447160 1202500 240 03:00:01 6257680 7534040 285728 3.51 31648 1450184 529204 5.76 448616 1203008 248 Average: 6255394 7525925 293935 3.61 31179 1444911 528874 5.76 445582 1198885 232 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.69 0.05 0.19 0.02 0.00 0.00 0.00 0.00 02:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.95 0.45 3.19 0.04 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 1.13 0.03 10.02 0.01 0.00 0.00 0.00 0.00 02:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:02 ens3 0.31 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 0.29 0.04 0.08 0.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.43 0.21 0.13 0.43 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.80 0.14 2.28 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28202) 06/18/26 _x86_64_ (2 CPU) 01:58:18 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.29 0.00 0.08 0.04 0.09 99.51 02:10:01 0 0.40 0.00 0.08 0.06 0.08 99.38 02:10:01 1 0.17 0.00 0.08 0.01 0.09 99.65 02:20:01 all 0.35 0.00 0.11 0.12 0.03 99.39 02:20:01 0 0.29 0.00 0.10 0.15 0.03 99.43 02:20:01 1 0.42 0.00 0.12 0.08 0.04 99.36 02:30:01 all 0.28 0.00 0.16 0.02 0.03 99.51 02:30:01 0 0.19 0.00 0.17 0.00 0.04 99.60 02:30:01 1 0.36 0.00 0.15 0.03 0.03 99.43 02:40:02 all 0.22 0.00 0.08 0.01 0.04 99.65 02:40:02 0 0.05 0.00 0.09 0.01 0.04 99.81 02:40:02 1 0.39 0.00 0.08 0.01 0.03 99.49 02:50:02 all 0.28 0.00 0.08 0.01 0.03 99.60 02:50:02 0 0.06 0.00 0.09 0.01 0.04 99.80 02:50:02 1 0.50 0.00 0.06 0.01 0.03 99.40 03:00:01 all 0.30 0.00 0.17 0.01 0.03 99.49 03:00:01 0 0.28 0.00 0.17 0.01 0.03 99.51 03:00:01 1 0.32 0.00 0.17 0.01 0.04 99.47 Average: all 0.29 0.00 0.11 0.03 0.04 99.53 Average: 0 0.21 0.00 0.12 0.04 0.04 99.59 Average: 1 0.36 0.00 0.11 0.02 0.04 99.47