---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10977 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: 5600.00 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 762 5276 4 2191 7179 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:7c:7f:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82122sec preferred_lft 82122sec inet6 fe80::f816:3eff:fe7c:7f6e/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-10977) 05/05/26 _x86_64_ (2 CPU) 01:47:55 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 2.17 0.28 1.85 0.04 33.26 78.36 654.06 02:10:01 1.33 0.01 1.30 0.02 0.05 15.77 1.20 02:20:01 1.30 0.00 1.28 0.02 0.01 15.45 1.08 02:30:01 1.42 0.00 1.41 0.01 0.00 17.61 653.24 02:40:01 1.18 0.00 1.18 0.00 0.00 15.01 0.00 02:50:01 13.98 0.00 1.42 12.56 0.15 18.10 109430.49 Average: 3.56 0.05 1.41 2.11 5.58 26.72 18442.96 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6251712 7528632 291652 3.59 30808 1451448 519996 5.66 447280 1204200 128 02:10:01 6258812 7536292 283984 3.49 31032 1451776 519952 5.66 447468 1204752 152 02:20:01 6273988 7552012 268244 3.30 31240 1452104 520080 5.66 447520 1205288 276 02:30:01 6267692 7546268 273916 3.37 31412 1452432 520088 5.66 447548 1205816 160 02:40:01 6264932 7544020 276188 3.40 31588 1452764 520528 5.67 448224 1206324 160 02:50:01 6265832 7545636 274480 3.38 31788 1453264 520544 5.67 448916 1206868 216 Average: 6263828 7542143 278077 3.42 31311 1452298 520198 5.67 447826 1205541 182 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.13 0.25 3.18 0.05 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.39 0.05 0.05 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.23 0.04 0.04 0.01 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 0.26 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.35 0.07 0.10 0.05 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.33 0.08 0.11 0.06 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 0.45 0.09 0.59 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10977) 05/05/26 _x86_64_ (2 CPU) 01:47:55 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.40 0.00 0.20 0.03 0.04 99.34 02:00:01 0 0.43 0.00 0.19 0.03 0.04 99.33 02:00:01 1 0.37 0.00 0.21 0.02 0.05 99.35 02:10:01 all 0.22 0.00 0.08 0.01 0.04 99.66 02:10:01 0 0.06 0.00 0.10 0.01 0.05 99.78 02:10:01 1 0.38 0.00 0.06 0.01 0.02 99.53 02:20:01 all 0.21 0.00 0.07 0.01 0.03 99.67 02:20:01 0 0.05 0.00 0.09 0.02 0.04 99.80 02:20:01 1 0.37 0.00 0.06 0.01 0.03 99.54 02:30:01 all 0.28 0.00 0.16 0.03 0.03 99.51 02:30:01 0 0.27 0.00 0.16 0.01 0.03 99.54 02:30:01 1 0.30 0.00 0.16 0.05 0.03 99.47 02:40:01 all 0.30 0.00 0.07 0.01 0.03 99.59 02:40:01 0 0.19 0.00 0.08 0.01 0.03 99.68 02:40:01 1 0.40 0.00 0.06 0.02 0.03 99.49 02:50:01 all 0.28 0.00 0.10 0.04 0.03 99.56 02:50:01 0 0.08 0.00 0.10 0.02 0.03 99.78 02:50:01 1 0.49 0.00 0.10 0.06 0.02 99.33 Average: all 0.28 0.00 0.11 0.02 0.03 99.55 Average: 0 0.18 0.00 0.12 0.02 0.04 99.65 Average: 1 0.38 0.00 0.11 0.03 0.03 99.45