---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34436 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 8.0G 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 758 5168 4 2307 7183 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:c9:76:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82185sec preferred_lft 82185sec inet6 fe80::f816:3eff:fec9:76c0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34436) 07/10/26 _x86_64_ (2 CPU) 01:58:07 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.19 0.02 1.17 0.00 1.24 14.25 0.12 02:20:12 2.00 0.29 1.69 0.02 33.65 76.34 0.98 02:30:01 1.36 0.00 1.34 0.03 0.00 17.11 1.54 02:40:01 1.37 0.00 1.35 0.02 0.00 15.80 1.20 02:50:12 1.39 0.00 1.38 0.02 0.00 16.06 1.18 03:00:01 1.49 0.00 1.46 0.03 0.00 18.05 1.56 Average: 1.47 0.05 1.40 0.02 5.91 26.44 1.09 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6311084 7558148 262724 3.23 30500 1422240 528224 5.75 438080 1183104 124 02:20:12 6251820 7527140 293292 3.61 30924 1449700 528444 5.76 447396 1201352 196 02:30:01 6253232 7529092 291304 3.58 31136 1449996 528452 5.76 447628 1201860 240 02:40:01 6253232 7529636 290752 3.58 31344 1450324 528480 5.76 447772 1202396 240 02:50:12 6253232 7530216 290164 3.57 31556 1450688 528552 5.76 448244 1202972 176 03:00:01 6254800 7532428 287940 3.54 31764 1451112 528672 5.76 449076 1203476 240 Average: 6262900 7534443 286029 3.52 31204 1445677 528471 5.76 446366 1199193 203 02:00:01 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 1.94 0.04 0.20 0.01 0.00 0.00 0.00 0.00 02:20:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 1.06 0.48 3.18 0.05 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 0.58 0.05 7.98 0.02 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 0.54 0.07 1.17 0.05 0.00 0.00 0.00 0.00 02:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:12 ens3 0.41 0.08 0.13 0.08 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.51 0.27 0.16 0.67 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 0.84 0.17 2.12 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34436) 07/10/26 _x86_64_ (2 CPU) 01:58:07 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.26 0.00 0.08 0.01 0.02 99.63 02:10:01 0 0.22 0.00 0.08 0.00 0.02 99.68 02:10:01 1 0.29 0.00 0.09 0.01 0.03 99.58 02:20:12 all 0.39 0.00 0.11 0.02 0.03 99.45 02:20:12 0 0.28 0.00 0.12 0.02 0.03 99.55 02:20:12 1 0.50 0.00 0.11 0.02 0.03 99.34 02:30:01 all 0.28 0.00 0.17 0.01 0.03 99.51 02:30:01 0 0.14 0.00 0.18 0.01 0.03 99.64 02:30:01 1 0.43 0.00 0.16 0.01 0.02 99.38 02:40:01 all 0.22 0.00 0.07 0.01 0.03 99.68 02:40:01 0 0.05 0.00 0.08 0.01 0.03 99.84 02:40:01 1 0.39 0.00 0.06 0.01 0.03 99.51 02:50:12 all 0.25 0.00 0.07 0.04 0.02 99.61 02:50:12 0 0.06 0.00 0.09 0.05 0.03 99.78 02:50:12 1 0.45 0.00 0.06 0.04 0.02 99.44 03:00:01 all 0.31 0.00 0.17 0.01 0.02 99.48 03:00:01 0 0.32 0.00 0.17 0.01 0.02 99.48 03:00:01 1 0.31 0.00 0.18 0.01 0.03 99.48 Average: all 0.29 0.00 0.11 0.02 0.03 99.56 Average: 0 0.18 0.00 0.12 0.02 0.03 99.66 Average: 1 0.39 0.00 0.11 0.02 0.03 99.46