---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15953 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 8.2G 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 752 4933 4 2548 7189 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:25:88:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.158/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82452sec preferred_lft 82452sec inet6 fe80::f816:3eff:fe25:882c/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-15953) 05/17/26 _x86_64_ (2 CPU) 01:35:05 LINUX RESTART (2 CPU) 01:40:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:16 1.43 0.01 1.41 0.01 0.05 21.33 0.96 02:00:16 1.44 0.00 1.41 0.03 0.00 19.17 1.55 02:10:01 1.36 0.00 1.33 0.03 0.00 225.27 3.61 02:20:01 2.02 0.25 1.72 0.04 30.98 382.71 3.71 02:30:06 1.53 0.00 1.49 0.04 1.05 68.88 1.26 02:40:01 3.87 0.04 3.06 0.77 1.44 778.13 2513.63 Average: 1.94 0.05 1.74 0.15 5.61 248.47 419.38 01:40:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:16 5069360 7162412 609068 7.49 84008 2173532 835072 9.10 781540 1942940 140 02:00:16 5080672 7174420 596972 7.34 84180 2174056 864304 9.41 793128 1943636 240 02:10:01 5091796 7247876 523128 6.43 84360 2235848 809888 8.82 739852 2005592 192 02:20:01 4818140 7094436 674476 8.29 84704 2354100 1118008 12.18 867380 2115436 244 02:30:06 4804368 7096844 671796 8.26 84892 2369848 935336 10.19 874888 2131064 220 02:40:01 5125408 7427840 348156 4.28 86316 2385056 572524 6.24 556056 2147300 23728 Average: 4998291 7200638 570599 7.02 84743 2282073 855855 9.32 768807 2047661 4127 01:40:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:16 ens3 32.89 30.84 552.90 2.03 0.00 0.00 0.00 0.00 02:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:16 ens3 76.45 72.78 1299.56 4.79 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 26.84 24.71 408.97 1.65 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 22.68 21.80 353.49 1.46 0.00 0.00 0.00 0.00 02:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:06 ens3 26.64 20.93 333.39 1.39 0.00 0.00 0.00 0.00 02:40:01 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 35.13 28.08 301.65 24.04 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 36.80 33.21 542.23 5.88 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15953) 05/17/26 _x86_64_ (2 CPU) 01:35:05 LINUX RESTART (2 CPU) 01:40:16 CPU %user %nice %system %iowait %steal %idle 01:50:16 all 0.63 0.00 0.29 0.01 0.07 99.00 01:50:16 0 0.52 0.00 0.25 0.01 0.07 99.14 01:50:16 1 0.74 0.00 0.33 0.01 0.07 98.85 02:00:16 all 1.15 0.00 0.65 0.02 0.05 98.14 02:00:16 0 0.76 0.00 0.38 0.01 0.03 98.81 02:00:16 1 1.53 0.00 0.92 0.02 0.06 97.47 02:10:01 all 0.79 0.00 0.29 0.01 0.04 98.87 02:10:01 0 0.64 0.00 0.15 0.02 0.04 99.15 02:10:01 1 0.93 0.00 0.42 0.01 0.05 98.59 02:20:01 all 0.91 0.00 0.24 0.03 0.04 98.78 02:20:01 0 0.70 0.00 0.16 0.01 0.03 99.10 02:20:01 1 1.12 0.00 0.33 0.05 0.05 98.46 02:30:06 all 0.70 0.00 0.35 0.01 0.04 98.90 02:30:06 0 0.72 0.00 0.27 0.00 0.03 98.98 02:30:06 1 0.68 0.00 0.44 0.02 0.05 98.81 02:40:01 all 3.35 0.00 0.53 0.06 0.04 96.02 02:40:01 0 5.09 0.00 0.57 0.05 0.04 94.24 02:40:01 1 1.60 0.00 0.48 0.06 0.05 97.81 Average: all 1.25 0.00 0.39 0.02 0.05 98.29 Average: 0 1.40 0.00 0.30 0.02 0.04 98.24 Average: 1 1.10 0.00 0.49 0.03 0.05 98.33