---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11558 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 754 5295 4 2180 7187 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:41:a6:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.195/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82102sec preferred_lft 82102sec inet6 fe80::f816:3eff:fe41:a61c/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-11558) 05/07/26 _x86_64_ (2 CPU) 00:35:37 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:27 1.41 0.02 1.38 0.01 1.19 17.01 0.92 01:00:28 2.02 0.26 1.72 0.04 30.95 76.38 435.95 01:10:01 1.31 0.00 1.30 0.01 0.00 15.40 0.75 01:20:06 1.35 0.00 1.35 0.00 0.01 16.28 0.00 01:30:29 1.57 0.00 1.55 0.02 0.00 19.19 838.31 01:40:01 1.34 0.00 1.34 0.00 0.00 15.65 0.00 Average: 1.50 0.05 1.44 0.01 5.38 26.71 218.28 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:27 6299700 7546740 273816 3.37 30632 1422120 534556 5.82 446400 1183280 132 01:00:28 6240916 7514688 305348 3.75 31040 1448060 727544 7.92 462352 1200864 132 01:10:01 6248504 7522804 297208 3.65 31232 1448384 727544 7.92 462496 1201380 164 01:20:06 6248264 7523072 296980 3.65 31404 1448708 727888 7.93 463456 1201876 248 01:30:29 6239912 7515260 304760 3.75 31592 1449040 727964 7.93 463308 1202396 184 01:40:01 6239912 7515868 304168 3.74 31752 1449492 727964 7.93 463624 1202872 276 Average: 6252868 7523072 297047 3.65 31275 1444301 695577 7.58 460273 1198778 189 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:27 ens3 1.01 0.08 0.14 0.06 0.00 0.00 0.00 0.00 01:00:28 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:28 ens3 0.65 0.24 3.15 0.05 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.50 0.06 0.10 0.04 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 0.56 0.24 0.13 0.53 0.00 0.00 0.00 0.00 01:30:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:29 ens3 0.28 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.50 0.13 0.18 0.10 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 0.59 0.13 0.63 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11558) 05/07/26 _x86_64_ (2 CPU) 00:35:37 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:27 all 0.29 0.00 0.08 0.01 0.03 99.60 00:50:27 0 0.48 0.00 0.06 0.01 0.02 99.42 00:50:27 1 0.10 0.00 0.09 0.00 0.04 99.77 01:00:28 all 0.49 0.00 0.20 0.02 0.03 99.26 01:00:28 0 0.40 0.00 0.19 0.02 0.03 99.35 01:00:28 1 0.58 0.00 0.21 0.01 0.03 99.17 01:10:01 all 0.23 0.00 0.08 0.01 0.03 99.64 01:10:01 0 0.06 0.00 0.09 0.02 0.03 99.81 01:10:01 1 0.41 0.00 0.07 0.00 0.03 99.48 01:20:06 all 0.26 0.00 0.07 0.01 0.03 99.62 01:20:06 0 0.23 0.00 0.08 0.02 0.03 99.64 01:20:06 1 0.30 0.00 0.07 0.01 0.03 99.60 01:30:29 all 0.25 0.00 0.15 0.01 0.03 99.56 01:30:29 0 0.25 0.00 0.14 0.01 0.03 99.57 01:30:29 1 0.25 0.00 0.15 0.00 0.03 99.56 01:40:01 all 0.23 0.00 0.08 0.01 0.03 99.66 01:40:01 0 0.12 0.00 0.08 0.02 0.03 99.75 01:40:01 1 0.33 0.00 0.08 0.00 0.03 99.56 Average: all 0.29 0.00 0.11 0.01 0.03 99.56 Average: 0 0.26 0.00 0.11 0.02 0.03 99.58 Average: 1 0.33 0.00 0.11 0.01 0.03 99.53