---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12609 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 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 753 5285 4 2192 7188 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:da:53:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81726sec preferred_lft 81726sec inet6 fe80::f816:3eff:feda:53cf/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-12609) 05/11/26 _x86_64_ (2 CPU) 00:40:12 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:02 1.43 0.01 1.39 0.03 0.05 17.63 869.94 01:10:02 1.21 0.00 1.19 0.02 0.00 14.41 1.20 01:20:02 1.25 0.00 1.23 0.02 0.01 14.68 1.20 01:30:03 1.41 0.00 1.37 0.03 0.00 17.46 653.23 01:40:03 1.26 0.00 1.24 0.02 0.00 15.90 1.23 01:50:03 1.62 0.39 1.21 0.02 14.98 46.52 218.92 Average: 1.36 0.07 1.27 0.02 2.51 21.10 291.31 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:02 6248524 7526224 293688 3.61 30956 1452208 527352 5.74 446408 1204764 184 01:10:02 6247572 7525820 294080 3.62 31172 1452532 527488 5.75 448548 1205304 184 01:20:02 6247320 7526104 293748 3.61 31376 1452868 527552 5.75 448772 1205836 240 01:30:03 6256940 7536284 283556 3.49 31592 1453192 527620 5.75 449248 1206384 212 01:40:03 6251664 7531720 288024 3.54 31832 1453652 582824 6.35 454672 1206952 216 01:50:03 6215288 7510116 309500 3.81 32100 1467988 547396 5.96 489140 1220284 224 Average: 6244551 7526045 293766 3.61 31505 1455407 540039 5.88 456131 1208254 210 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.48 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 0.74 0.07 3.96 0.03 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 0.45 0.11 0.12 0.06 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.38 0.17 0.08 0.53 0.00 0.00 0.00 0.00 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.39 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:03 ens3 12.78 5.62 20.24 2.70 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 2.54 1.02 4.10 0.57 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12609) 05/11/26 _x86_64_ (2 CPU) 00:40:12 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:02 all 0.25 0.00 0.18 0.01 0.02 99.54 01:00:02 0 0.23 0.00 0.16 0.01 0.02 99.58 01:00:02 1 0.27 0.00 0.19 0.01 0.02 99.51 01:10:02 all 0.27 0.00 0.07 0.02 0.02 99.62 01:10:02 0 0.09 0.00 0.08 0.02 0.02 99.79 01:10:02 1 0.46 0.00 0.06 0.01 0.02 99.46 01:20:02 all 0.26 0.00 0.07 0.01 0.02 99.64 01:20:02 0 0.06 0.00 0.09 0.02 0.03 99.80 01:20:02 1 0.45 0.00 0.06 0.00 0.02 99.47 01:30:03 all 0.29 0.00 0.16 0.04 0.02 99.48 01:30:03 0 0.31 0.00 0.15 0.00 0.02 99.51 01:30:03 1 0.27 0.00 0.17 0.07 0.02 99.46 01:40:03 all 0.28 0.00 0.07 0.01 0.02 99.61 01:40:03 0 0.50 0.00 0.05 0.01 0.01 99.42 01:40:03 1 0.06 0.00 0.09 0.01 0.03 99.80 01:50:03 all 0.53 0.00 0.10 0.01 0.02 99.34 01:50:03 0 0.72 0.00 0.08 0.01 0.02 99.17 01:50:03 1 0.33 0.00 0.12 0.01 0.03 99.51 Average: all 0.31 0.00 0.11 0.02 0.02 99.54 Average: 0 0.32 0.00 0.10 0.01 0.02 99.55 Average: 1 0.31 0.00 0.11 0.02 0.02 99.54