---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1958 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 741 5219 4 2273 7200 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:d3:dd:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.193/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82068sec preferred_lft 82068sec inet6 fe80::f816:3eff:fed3:dd79/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1958) 08/04/26 _x86_64_ (2 CPU) 01:45:24 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:11 1.63 0.02 1.59 0.02 1.22 19.04 429.98 02:10:11 1.44 0.01 1.41 0.02 0.05 16.31 1.20 02:20:01 1.47 0.03 1.43 0.02 2.19 16.76 1.26 02:30:11 1.47 0.00 1.45 0.03 0.00 17.24 430.37 02:40:11 1.85 0.26 1.56 0.03 32.03 77.15 1.32 02:50:00 27.59 1.54 12.33 13.73 112.43 2143.50 111719.33 Average: 5.83 0.30 3.26 2.27 24.32 375.33 18433.21 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:11 6297532 7545048 275680 3.39 30628 1422568 520420 5.67 447484 1183508 212 02:10:11 6301192 7549268 271428 3.34 30844 1422900 520588 5.67 447600 1184064 132 02:20:01 6296784 7546056 274628 3.38 31072 1423864 520588 5.67 448284 1184696 240 02:30:11 6287304 7537132 283456 3.49 31272 1424196 520588 5.67 448304 1185228 200 02:40:11 6245772 7523436 296768 3.65 31676 1451280 524888 5.72 461220 1203512 132 02:50:00 5460996 7399704 380328 4.68 71780 2038052 606376 6.60 574968 1814432 106832 Average: 6148263 7516774 297048 3.65 37879 1530477 535575 5.83 471310 1292573 17958 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:11 ens3 0.67 0.04 0.07 0.01 0.00 0.00 0.00 0.00 02:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:11 ens3 0.34 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.68 0.09 7.00 0.04 0.00 0.00 0.00 0.00 02:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:11 ens3 0.17 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:11 ens3 6.40 4.00 7.31 3.44 0.00 0.00 0.00 0.00 02:50:00 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 02:50:00 ens3 42.52 25.36 283.50 10.07 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.34 4.85 48.80 2.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1958) 08/04/26 _x86_64_ (2 CPU) 01:45:24 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:11 all 0.30 0.00 0.17 0.01 0.02 99.50 02:00:11 0 0.32 0.00 0.18 0.01 0.02 99.47 02:00:11 1 0.27 0.00 0.17 0.01 0.02 99.52 02:10:11 all 0.26 0.00 0.08 0.01 0.02 99.63 02:10:11 0 0.46 0.00 0.06 0.01 0.02 99.46 02:10:11 1 0.07 0.00 0.10 0.00 0.02 99.81 02:20:01 all 0.29 0.00 0.09 0.01 0.02 99.59 02:20:01 0 0.36 0.00 0.07 0.02 0.02 99.53 02:20:01 1 0.21 0.00 0.11 0.00 0.02 99.66 02:30:11 all 0.27 0.00 0.16 0.01 0.02 99.54 02:30:11 0 0.17 0.00 0.16 0.01 0.02 99.64 02:30:11 1 0.38 0.00 0.15 0.00 0.02 99.44 02:40:11 all 0.59 0.00 0.12 0.05 0.02 99.21 02:40:11 0 0.63 0.00 0.12 0.07 0.02 99.17 02:40:11 1 0.56 0.00 0.13 0.03 0.03 99.26 02:50:00 all 6.39 0.00 0.95 0.37 0.03 92.26 02:50:00 0 9.54 0.00 1.20 0.51 0.03 88.72 02:50:00 1 3.24 0.00 0.69 0.23 0.03 95.80 Average: all 1.33 0.00 0.26 0.08 0.02 98.31 Average: 0 1.88 0.00 0.29 0.10 0.02 97.70 Average: 1 0.78 0.00 0.22 0.05 0.02 98.93