---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33892 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 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 779 5171 4 2283 7162 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:d4:43:19 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82272sec preferred_lft 82272sec inet6 fe80::f816:3eff:fed4:4319/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33892) 07/08/26 _x86_64_ (2 CPU) 01:58:47 LINUX RESTART (2 CPU) 02:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:12 1.09 0.03 1.05 0.01 1.24 14.12 218.05 02:20:02 0.84 0.01 0.83 0.00 0.07 11.32 0.00 02:30:12 1.05 0.02 1.01 0.02 2.11 13.85 642.52 02:40:12 0.87 0.00 0.87 0.00 0.00 11.64 0.00 02:50:12 1.43 0.25 1.17 0.01 30.97 72.49 0.17 03:00:09 1.69 0.41 1.26 0.02 16.96 48.20 656.72 Average: 1.16 0.12 1.03 0.01 8.56 28.59 254.46 02:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:12 6296592 7554548 266088 3.27 30620 1432920 539300 5.87 446688 1186720 16 02:20:02 6295612 7554220 266392 3.28 30808 1433384 539300 5.87 446980 1187244 48 02:30:12 6282064 7541864 278652 3.43 30996 1434356 539436 5.88 448096 1187844 136 02:40:12 6307444 7567720 252792 3.11 31140 1434684 539568 5.88 448376 1188316 44 02:50:12 6234856 7522304 297760 3.66 31488 1461148 738760 8.05 462880 1206364 8 03:00:09 6224512 7527492 292188 3.59 31800 1476272 557520 6.07 491408 1219824 136 Average: 6273513 7544691 275645 3.39 31142 1445461 575647 6.27 457405 1196052 65 02:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:12 ens3 1.64 0.06 0.30 0.02 0.00 0.00 0.00 0.00 02:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 0.39 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:12 ens3 0.52 0.07 5.53 0.02 0.00 0.00 0.00 0.00 02:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:12 ens3 0.40 0.06 0.11 0.06 0.00 0.00 0.00 0.00 02:50:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:12 ens3 0.50 0.25 3.24 0.05 0.00 0.00 0.00 0.00 03:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:09 ens3 9.86 4.78 20.10 3.05 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 2.21 0.87 4.89 0.53 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33892) 07/08/26 _x86_64_ (2 CPU) 01:58:47 LINUX RESTART (2 CPU) 02:00:12 CPU %user %nice %system %iowait %steal %idle 02:10:12 all 0.27 0.00 0.09 0.01 0.02 99.61 02:10:12 0 0.38 0.00 0.08 0.01 0.02 99.51 02:10:12 1 0.17 0.00 0.11 0.01 0.02 99.70 02:20:02 all 0.27 0.00 0.08 0.15 0.03 99.48 02:20:02 0 0.18 0.00 0.08 0.02 0.03 99.70 02:20:02 1 0.35 0.00 0.07 0.29 0.03 99.26 02:30:12 all 0.30 0.00 0.18 0.20 0.03 99.29 02:30:12 0 0.42 0.00 0.18 0.01 0.03 99.37 02:30:12 1 0.19 0.00 0.18 0.39 0.03 99.22 02:40:12 all 0.23 0.00 0.08 0.02 0.01 99.66 02:40:12 0 0.27 0.00 0.08 0.01 0.01 99.64 02:40:12 1 0.19 0.00 0.09 0.03 0.01 99.69 02:50:12 all 0.38 0.00 0.10 0.18 0.01 99.33 02:50:12 0 0.27 0.00 0.13 0.03 0.01 99.56 02:50:12 1 0.49 0.00 0.08 0.33 0.01 99.09 03:00:09 all 0.55 0.00 0.20 0.02 0.07 99.16 03:00:09 0 0.36 0.00 0.25 0.03 0.02 99.34 03:00:09 1 0.73 0.00 0.16 0.00 0.11 98.99 Average: all 0.33 0.00 0.12 0.09 0.03 99.42 Average: 0 0.31 0.00 0.13 0.02 0.02 99.52 Average: 1 0.35 0.00 0.11 0.17 0.04 99.32