---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39037 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: 5600.00 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 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 738 5209 4 2286 7203 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:d5:15:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81840sec preferred_lft 81840sec inet6 fe80::f816:3eff:fed5:157c/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-39037) 07/26/26 _x86_64_ (2 CPU) 01:22:13 LINUX RESTART (2 CPU) 01:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:40:01 1.85 0.26 1.58 0.01 31.02 76.09 0.53 01:50:11 1.46 0.00 1.44 0.02 1.04 16.37 1.35 02:00:01 14.43 0.00 1.62 12.80 0.15 19.07 111989.50 02:10:01 1.33 0.00 1.32 0.02 0.00 15.29 1.20 02:20:00 1.36 0.00 1.34 0.02 0.01 15.80 1.20 02:30:00 1.59 0.00 1.55 0.03 0.00 18.71 871.12 Average: 3.63 0.04 1.47 2.11 5.37 26.89 18485.11 01:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:40:01 6235996 7514676 305284 3.75 30900 1453048 722760 7.87 461440 1205448 140 01:50:11 6247288 7526832 293096 3.60 31116 1453688 522472 5.69 456472 1205992 136 02:00:01 6245516 7525680 294088 3.62 31332 1454056 522472 5.69 456568 1206548 240 02:10:01 6252600 7533316 286448 3.52 31544 1454392 522684 5.69 456656 1207096 124 02:20:00 6260188 7541588 278160 3.42 31764 1454848 522752 5.69 457192 1207644 124 02:30:00 6250456 7532416 287320 3.53 31980 1455176 522812 5.69 457232 1208188 176 Average: 6248674 7529085 290733 3.57 31439 1454201 555992 6.06 457593 1206819 157 01:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 1.13 0.32 3.44 0.08 0.00 0.00 0.00 0.00 01:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:11 ens3 0.45 0.07 0.10 0.04 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.47 0.06 0.10 0.03 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 0.21 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.24 0.10 0.03 0.42 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.28 0.07 0.08 0.03 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 0.46 0.11 0.63 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39037) 07/26/26 _x86_64_ (2 CPU) 01:22:13 LINUX RESTART (2 CPU) 01:30:01 CPU %user %nice %system %iowait %steal %idle 01:40:01 all 0.42 0.00 0.11 0.02 0.03 99.42 01:40:01 0 0.55 0.00 0.13 0.02 0.03 99.28 01:40:01 1 0.28 0.00 0.10 0.02 0.03 99.57 01:50:11 all 0.27 0.00 0.07 0.01 0.03 99.62 01:50:11 0 0.16 0.00 0.07 0.01 0.03 99.73 01:50:11 1 0.38 0.00 0.08 0.01 0.03 99.50 02:00:01 all 0.25 0.00 0.19 0.03 0.03 99.50 02:00:01 0 0.19 0.00 0.19 0.05 0.03 99.53 02:00:01 1 0.31 0.00 0.18 0.01 0.03 99.47 02:10:01 all 0.21 0.00 0.08 0.01 0.03 99.67 02:10:01 0 0.37 0.00 0.06 0.01 0.02 99.54 02:10:01 1 0.05 0.00 0.10 0.02 0.03 99.80 02:20:00 all 0.26 0.00 0.08 0.03 0.02 99.62 02:20:00 0 0.43 0.00 0.06 0.01 0.02 99.48 02:20:00 1 0.08 0.00 0.09 0.04 0.03 99.76 02:30:00 all 0.26 0.00 0.18 0.04 0.02 99.51 02:30:00 0 0.31 0.00 0.17 0.01 0.02 99.50 02:30:00 1 0.20 0.00 0.19 0.07 0.02 99.52 Average: all 0.28 0.00 0.12 0.02 0.02 99.56 Average: 0 0.33 0.00 0.11 0.02 0.02 99.51 Average: 1 0.22 0.00 0.12 0.03 0.03 99.61