---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37133 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 UTC 2026 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: 5599.86 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 Indirect target selection: 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 Tsa: 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 776 5107 4 2350 7165 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:32:a0:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83835sec preferred_lft 83835sec inet6 fe80::f816:3eff:fe32:a04d/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37133) 08/13/26 _x86_64_ (2 CPU) 00:38:54 LINUX RESTART (2 CPU) 00:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:02 1.49 0.02 1.45 0.01 1.24 25.56 2.91 01:00:02 37.04 2.82 18.20 16.02 223.44 2794.90 107974.40 01:10:02 5.14 0.72 4.24 0.18 95.03 761.12 65.65 01:20:02 1.46 0.01 1.45 0.01 1.07 98.53 0.08 Average: 11.28 0.89 6.33 4.05 80.16 919.55 26985.58 00:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:02 6285460 7531324 289964 3.57 30884 1420760 529212 5.76 443940 1183936 180 01:00:02 5247368 7421936 346100 4.26 85484 2249352 591912 6.45 560780 2021784 187272 01:10:02 5148256 7361264 406436 5.00 86344 2286924 842872 9.18 603892 2049712 380 01:20:02 5207256 7451232 316268 3.89 86540 2317332 562260 6.12 547668 2079940 6444 Average: 5472085 7441439 339692 4.18 72313 2068592 631564 6.88 539070 1833843 48569 00:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 2.20 0.12 0.41 0.06 0.00 0.00 0.00 0.00 01:00:02 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:00:02 ens3 47.77 31.93 313.64 7.58 0.00 0.00 0.00 0.00 01:10:02 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 62.63 50.01 29.56 8.19 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 49.39 46.58 11.94 6.59 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 40.50 32.16 88.82 5.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37133) 08/13/26 _x86_64_ (2 CPU) 00:38:54 LINUX RESTART (2 CPU) 00:40:02 CPU %user %nice %system %iowait %steal %idle 00:50:02 all 0.32 0.00 0.07 0.01 0.05 99.56 00:50:02 0 0.12 0.00 0.08 0.01 0.06 99.73 00:50:02 1 0.51 0.00 0.06 0.01 0.03 99.38 01:00:02 all 11.10 0.00 1.73 0.46 0.06 86.65 01:00:02 0 16.27 0.00 2.03 0.63 0.06 81.01 01:00:02 1 5.93 0.00 1.43 0.29 0.05 92.29 01:10:02 all 5.02 0.00 0.60 0.05 0.08 94.25 01:10:02 0 5.78 0.00 0.62 0.02 0.08 93.50 01:10:02 1 4.27 0.00 0.59 0.07 0.07 94.99 01:20:02 all 8.13 0.00 0.56 0.01 0.09 91.22 01:20:02 0 8.10 0.00 0.60 0.01 0.08 91.21 01:20:02 1 8.16 0.00 0.52 0.01 0.09 91.23 Average: all 6.14 0.00 0.74 0.13 0.07 92.92 Average: 0 7.57 0.00 0.84 0.17 0.07 91.35 Average: 1 4.71 0.00 0.65 0.10 0.06 94.48