---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29675 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 5280 4 2188 7179 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:d6:a6:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.85/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82513sec preferred_lft 82513sec inet6 fe80::f816:3eff:fed6:a666/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29675) 06/23/26 _x86_64_ (2 CPU) 01:58:07 LINUX RESTART (2 CPU) 02:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.32 0.03 1.28 0.00 2.34 15.58 0.05 02:20:43 1.17 0.01 1.16 0.00 0.06 14.44 0.11 02:30:13 1.52 0.00 1.51 0.02 0.00 18.51 0.52 02:40:01 1.32 0.00 1.32 0.00 0.00 15.54 0.00 02:50:03 1.33 0.00 1.32 0.00 0.00 16.02 0.01 03:00:31 3.91 1.28 2.56 0.07 92.23 202.34 3.76 Average: 1.78 0.23 1.53 0.02 16.40 48.32 0.76 02:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6232564 7509708 309876 3.81 30760 1451808 529064 5.76 460412 1204604 140 02:20:43 6239900 7517612 301956 3.71 30956 1452172 529120 5.76 460532 1205160 124 02:30:13 6231680 7509916 309672 3.81 31128 1452504 529260 5.76 460616 1205668 252 02:40:01 6231428 7510104 309472 3.81 31272 1452792 529260 5.76 460788 1206100 240 02:50:03 6242544 7521732 297800 3.66 31448 1453128 532644 5.80 457584 1206608 196 03:00:31 5986372 7397756 414304 5.09 42252 1568232 704136 7.67 603160 1319800 54936 Average: 6194081 7494471 323847 3.98 32969 1471773 558914 6.09 483849 1224657 9315 02:00:12 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 1.23 0.06 0.14 0.02 0.00 0.00 0.00 0.00 02:20:43 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:43 ens3 0.40 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:13 ens3 0.64 0.04 6.31 0.01 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 0.35 0.09 0.10 0.05 0.00 0.00 0.00 0.00 02:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 0.27 0.06 0.07 0.03 0.00 0.00 0.00 0.00 03:00:31 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 03:00:31 ens3 22.05 11.86 75.50 4.57 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 4.30 2.10 14.16 0.81 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29675) 06/23/26 _x86_64_ (2 CPU) 01:58:07 LINUX RESTART (2 CPU) 02:00:12 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.26 0.00 0.09 0.01 0.03 99.61 02:10:01 0 0.19 0.00 0.10 0.01 0.03 99.67 02:10:01 1 0.32 0.00 0.08 0.02 0.03 99.54 02:20:43 all 0.26 0.00 0.07 0.01 0.03 99.63 02:20:43 0 0.07 0.00 0.08 0.01 0.03 99.80 02:20:43 1 0.44 0.00 0.06 0.02 0.02 99.46 02:30:13 all 0.25 0.00 0.17 0.02 0.03 99.54 02:30:13 0 0.24 0.00 0.17 0.02 0.03 99.54 02:30:13 1 0.25 0.00 0.18 0.01 0.03 99.53 02:40:01 all 0.29 0.00 0.06 0.01 0.03 99.61 02:40:01 0 0.05 0.00 0.07 0.01 0.03 99.84 02:40:01 1 0.53 0.00 0.05 0.02 0.02 99.38 02:50:03 all 0.26 0.00 0.07 0.01 0.02 99.65 02:50:03 0 0.40 0.00 0.05 0.00 0.02 99.52 02:50:03 1 0.11 0.00 0.08 0.01 0.02 99.78 03:00:31 all 1.68 0.00 0.39 0.10 0.02 97.80 03:00:31 0 1.76 0.00 0.33 0.03 0.02 97.86 03:00:31 1 1.60 0.00 0.45 0.17 0.03 97.75 Average: all 0.51 0.00 0.14 0.03 0.03 99.30 Average: 0 0.46 0.00 0.13 0.01 0.03 99.36 Average: 1 0.55 0.00 0.15 0.04 0.02 99.23