---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31754 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 752 5160 4 2329 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:d3:a0:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.120/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82106sec preferred_lft 82106sec inet6 fe80::f816:3eff:fed3:a0d9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31754) 06/30/26 _x86_64_ (2 CPU) 01:46:30 LINUX RESTART (2 CPU) 01:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 15.85 13.71 2.07 0.07 154.02 46.56 666.02 02:10:08 1.21 0.00 1.20 0.00 0.04 15.04 0.12 02:20:08 1.71 0.25 1.44 0.01 30.99 74.32 0.41 02:30:01 14.28 0.01 1.50 12.77 1.21 19.20 110852.92 02:40:08 1.18 0.00 1.16 0.02 0.00 14.93 1.19 02:50:08 1.26 0.00 1.24 0.02 0.00 15.52 1.08 Average: 5.86 2.31 1.43 2.12 30.77 30.86 18368.68 01:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6220508 7524308 287380 3.53 34572 1466572 536808 5.85 442772 1230872 152 02:10:08 6235684 7540008 271696 3.34 34756 1466904 536808 5.85 443004 1231388 132 02:20:08 6188000 7519396 291804 3.59 35108 1493260 743608 8.10 457424 1249332 140 02:30:01 6184252 7516604 294532 3.62 35344 1493940 537080 5.85 452216 1249908 244 02:40:08 6201432 7534432 276656 3.40 35548 1494400 537156 5.85 452280 1250432 252 02:50:08 6200436 7533988 277116 3.41 35744 1494728 537244 5.85 452772 1250968 136 Average: 6205052 7528123 283197 3.48 35179 1484967 571451 6.22 450078 1243817 176 01:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.02 0.08 0.11 0.04 0.00 0.00 0.00 0.00 02:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 0.39 0.06 0.05 0.02 0.00 0.00 0.00 0.00 02:20:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 1.90 0.21 12.84 0.03 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 0.37 0.04 0.55 0.01 0.00 0.00 0.00 0.00 02:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 0.32 0.06 0.08 0.03 0.00 0.00 0.00 0.00 02:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:08 ens3 0.36 0.07 0.10 0.05 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 0.73 0.09 2.29 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31754) 06/30/26 _x86_64_ (2 CPU) 01:46:30 LINUX RESTART (2 CPU) 01:50:08 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.31 0.17 0.24 0.12 0.04 99.12 02:00:01 0 0.19 0.34 0.28 0.23 0.04 98.93 02:00:01 1 0.44 0.00 0.19 0.02 0.04 99.31 02:10:08 all 0.25 0.00 0.07 0.03 0.04 99.61 02:10:08 0 0.19 0.00 0.07 0.04 0.04 99.67 02:10:08 1 0.30 0.00 0.08 0.02 0.04 99.56 02:20:08 all 0.34 0.00 0.10 0.02 0.04 99.51 02:20:08 0 0.19 0.00 0.10 0.03 0.04 99.65 02:20:08 1 0.48 0.00 0.10 0.02 0.04 99.36 02:30:01 all 0.27 0.00 0.18 0.03 0.03 99.49 02:30:01 0 0.19 0.00 0.17 0.05 0.03 99.56 02:30:01 1 0.35 0.00 0.19 0.01 0.04 99.41 02:40:08 all 0.24 0.00 0.07 0.01 0.03 99.65 02:40:08 0 0.22 0.00 0.07 0.02 0.03 99.66 02:40:08 1 0.26 0.00 0.07 0.00 0.04 99.63 02:50:08 all 0.26 0.00 0.08 0.01 0.03 99.61 02:50:08 0 0.46 0.00 0.07 0.02 0.03 99.43 02:50:08 1 0.07 0.00 0.10 0.00 0.04 99.79 Average: all 0.28 0.03 0.12 0.04 0.04 99.50 Average: 0 0.24 0.06 0.13 0.06 0.03 99.48 Average: 1 0.32 0.00 0.12 0.01 0.04 99.51