---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32248 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 770 5195 4 2268 7171 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:cc:5b:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82243sec preferred_lft 82243sec inet6 fe80::f816:3eff:fecc:5b32/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32248) 07/02/26 _x86_64_ (2 CPU) 01:59:18 LINUX RESTART (2 CPU) 02:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 14.45 0.03 1.69 12.74 1.43 25.68 111083.78 02:20:10 1.29 0.01 1.26 0.02 0.07 15.30 1.18 02:30:10 1.98 0.26 1.68 0.04 32.06 77.58 655.33 02:40:10 1.24 0.00 1.24 0.00 0.00 15.05 0.00 02:50:11 1.14 0.00 1.14 0.00 0.00 14.18 0.00 03:00:12 1.48 0.00 1.46 0.01 0.00 18.26 434.92 Average: 3.56 0.05 1.41 2.10 5.58 27.63 18407.19 02:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6290268 7536788 283320 3.48 30560 1421848 527796 5.75 450812 1183184 124 02:20:10 6293844 7540924 279232 3.43 30772 1422188 527936 5.75 450940 1183736 132 02:30:10 6247208 7521764 297848 3.66 31156 1448888 528008 5.75 460100 1201744 128 02:40:10 6253788 7528852 290752 3.58 31332 1449212 528104 5.75 460368 1202244 140 02:50:11 6255472 7531036 288560 3.55 31496 1449544 528024 5.75 460448 1202740 192 03:00:12 6249684 7525892 293640 3.61 31680 1449996 531564 5.79 458220 1203248 136 Average: 6265044 7530876 288892 3.55 31166 1440279 528572 5.76 456815 1196149 142 02:00:10 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 1.45 0.07 0.23 0.02 0.00 0.00 0.00 0.00 02:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:10 ens3 0.40 0.04 0.10 0.01 0.00 0.00 0.00 0.00 02:30:10 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:10 ens3 0.73 0.23 8.08 0.03 0.00 0.00 0.00 0.00 02:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:10 ens3 0.60 0.06 0.80 0.03 0.00 0.00 0.00 0.00 02:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:11 ens3 0.26 0.07 0.08 0.03 0.00 0.00 0.00 0.00 03:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:12 ens3 0.37 0.11 0.16 0.09 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 0.63 0.10 1.57 0.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32248) 07/02/26 _x86_64_ (2 CPU) 01:59:18 LINUX RESTART (2 CPU) 02:00:10 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.32 0.00 0.18 0.03 0.03 99.45 02:10:01 0 0.13 0.00 0.21 0.05 0.03 99.57 02:10:01 1 0.50 0.00 0.16 0.00 0.02 99.32 02:20:10 all 0.26 0.00 0.08 0.07 0.02 99.57 02:20:10 0 0.15 0.00 0.08 0.00 0.02 99.74 02:20:10 1 0.37 0.00 0.07 0.14 0.02 99.40 02:30:10 all 0.40 0.00 0.19 0.02 0.02 99.37 02:30:10 0 0.44 0.00 0.21 0.04 0.02 99.29 02:30:10 1 0.36 0.00 0.18 0.01 0.02 99.44 02:40:10 all 0.26 0.00 0.07 0.01 0.02 99.64 02:40:10 0 0.07 0.00 0.10 0.01 0.03 99.80 02:40:10 1 0.45 0.00 0.05 0.01 0.02 99.48 02:50:11 all 0.26 0.00 0.10 0.01 0.02 99.62 02:50:11 0 0.32 0.00 0.07 0.01 0.02 99.58 02:50:11 1 0.20 0.00 0.12 0.01 0.02 99.65 03:00:12 all 0.35 0.00 0.20 0.01 0.02 99.43 03:00:12 0 0.50 0.00 0.17 0.01 0.01 99.31 03:00:12 1 0.20 0.00 0.23 0.01 0.02 99.55 Average: all 0.31 0.00 0.14 0.02 0.02 99.51 Average: 0 0.27 0.00 0.14 0.02 0.02 99.55 Average: 1 0.35 0.00 0.13 0.03 0.02 99.47