---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32250 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 762 5206 4 2264 7178 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:79:0d:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82315sec preferred_lft 82315sec inet6 fe80::f816:3eff:fe79:d2f/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-32250) 07/02/26 _x86_64_ (2 CPU) 01:59:23 LINUX RESTART (2 CPU) 02:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 14.40 0.04 1.68 12.68 1.59 28.62 110371.03 02:20:07 1.27 0.01 1.25 0.01 0.07 15.54 0.71 02:30:07 1.49 0.00 1.47 0.02 0.00 18.24 437.10 02:40:01 1.60 0.25 1.32 0.03 31.28 74.01 1.28 02:50:07 1.24 0.00 1.22 0.02 1.04 15.16 1.12 03:00:07 1.49 0.00 1.46 0.03 0.00 18.64 872.28 Average: 3.56 0.05 1.40 2.11 5.61 28.25 18453.22 02:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6296612 7543096 277156 3.41 30540 1421828 530940 5.78 442636 1183272 136 02:20:07 6296372 7543416 276812 3.40 30752 1422168 530924 5.78 442664 1183824 216 02:30:07 6299428 7547036 273216 3.36 30972 1422496 531056 5.78 442672 1184364 36 02:40:01 6248620 7523360 296428 3.64 31356 1448880 729716 7.95 457280 1202376 292 02:50:07 6256208 7531796 288008 3.54 31544 1449528 531208 5.79 452076 1202896 176 03:00:07 6259696 7535984 283784 3.49 31776 1449980 531476 5.79 453040 1203456 88 Average: 6276156 7537448 282567 3.47 31157 1435813 564220 6.15 448395 1193365 157 02:00:07 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 1.47 0.08 0.29 0.02 0.00 0.00 0.00 0.00 02:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:07 ens3 0.38 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:07 ens3 0.49 0.04 4.92 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 1.18 0.49 4.01 0.06 0.00 0.00 0.00 0.00 02:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:07 ens3 0.25 0.06 0.08 0.03 0.00 0.00 0.00 0.00 03:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:07 ens3 0.39 0.20 0.13 0.45 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 0.69 0.15 1.57 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32250) 07/02/26 _x86_64_ (2 CPU) 01:59:23 LINUX RESTART (2 CPU) 02:00:07 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.32 0.00 0.19 0.03 0.03 99.44 02:10:01 0 0.52 0.00 0.17 0.02 0.02 99.28 02:10:01 1 0.12 0.00 0.21 0.04 0.03 99.60 02:20:07 all 0.26 0.00 0.09 0.10 0.02 99.53 02:20:07 0 0.40 0.00 0.07 0.16 0.01 99.35 02:20:07 1 0.13 0.00 0.10 0.04 0.02 99.70 02:30:07 all 0.28 0.00 0.17 0.01 0.03 99.51 02:30:07 0 0.08 0.00 0.18 0.01 0.03 99.70 02:30:07 1 0.48 0.00 0.17 0.01 0.03 99.32 02:40:01 all 0.38 0.00 0.10 0.02 0.03 99.47 02:40:01 0 0.43 0.00 0.07 0.01 0.02 99.48 02:40:01 1 0.32 0.00 0.14 0.03 0.04 99.47 02:50:07 all 0.27 0.00 0.08 0.01 0.02 99.62 02:50:07 0 0.29 0.00 0.08 0.01 0.02 99.61 02:50:07 1 0.24 0.00 0.09 0.01 0.02 99.63 03:00:07 all 0.31 0.00 0.18 0.01 0.02 99.48 03:00:07 0 0.48 0.00 0.16 0.00 0.02 99.34 03:00:07 1 0.13 0.00 0.20 0.02 0.03 99.63 Average: all 0.30 0.00 0.14 0.03 0.02 99.51 Average: 0 0.37 0.00 0.12 0.03 0.02 99.46 Average: 1 0.24 0.00 0.15 0.03 0.03 99.56