---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-764 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 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: 5599.99 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 774 5176 4 2285 7167 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:51:94:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.189/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80613sec preferred_lft 80613sec inet6 fe80::f816:3eff:fe51:949f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-764) 09/06/26 _x86_64_ (2 CPU) 01:11:39 LINUX RESTART (2 CPU) 01:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:30:07 1.47 0.01 1.44 0.02 0.05 18.31 0.48 01:40:01 1.11 0.00 1.11 0.00 0.00 13.61 0.00 01:50:07 1.16 0.00 1.15 0.00 0.00 14.31 0.08 02:00:07 1.39 0.00 1.37 0.02 0.00 17.39 0.40 02:10:01 1.83 0.33 1.49 0.01 43.94 104.60 0.18 02:20:07 1.28 0.00 1.27 0.01 0.00 15.35 0.38 02:30:07 1.49 0.00 1.46 0.03 0.00 18.23 853.71 02:40:01 1.20 0.00 1.18 0.02 0.00 14.55 0.73 Average: 1.36 0.04 1.31 0.01 5.45 26.95 107.14 01:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:30:07 6260908 7508588 311848 3.83 30636 1423920 540996 5.89 449904 1184064 192 01:40:01 6260152 7508308 312124 3.84 30780 1424244 541132 5.89 449872 1184536 280 01:50:07 6274044 7522696 297732 3.66 30944 1424568 541132 5.89 450240 1185024 156 02:00:07 6282216 7531384 289008 3.55 31120 1424904 541132 5.89 450660 1185528 192 02:10:01 6216804 7505896 313532 3.86 31732 1463716 741580 8.08 468868 1214748 276 02:20:07 6235560 7525180 294236 3.62 31920 1464044 741644 8.08 469044 1215264 76 02:30:07 6228744 7518944 300436 3.69 32148 1464372 741644 8.08 469096 1215820 136 02:40:01 6236108 7526844 292532 3.60 32348 1464700 741772 8.08 469316 1216348 240 Average: 6249317 7518480 301431 3.71 31454 1444308 641379 6.99 459625 1200166 194 01:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.65 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.67 0.05 0.26 0.03 0.00 0.00 0.00 0.00 01:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:07 ens3 0.47 0.10 0.09 0.04 0.00 0.00 0.00 0.00 02:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:07 ens3 0.40 0.08 0.07 0.04 0.00 0.00 0.00 0.00 02:10:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.75 0.34 3.34 0.04 0.00 0.00 0.00 0.00 02:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:07 ens3 0.30 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:07 ens3 0.26 0.03 0.03 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 0.44 0.18 0.07 0.61 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 0.49 0.11 0.49 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-764) 09/06/26 _x86_64_ (2 CPU) 01:11:39 LINUX RESTART (2 CPU) 01:20:07 CPU %user %nice %system %iowait %steal %idle 01:30:07 all 0.29 0.00 0.22 0.01 0.01 99.48 01:30:07 0 0.49 0.00 0.19 0.00 0.01 99.32 01:30:07 1 0.09 0.00 0.25 0.02 0.01 99.64 01:40:01 all 0.27 0.00 0.11 0.01 0.00 99.61 01:40:01 0 0.48 0.00 0.09 0.00 0.00 99.44 01:40:01 1 0.05 0.00 0.13 0.02 0.01 99.79 01:50:07 all 0.29 0.00 0.09 0.01 0.01 99.60 01:50:07 0 0.40 0.00 0.08 0.01 0.00 99.50 01:50:07 1 0.18 0.00 0.10 0.01 0.01 99.70 02:00:07 all 0.31 0.00 0.20 0.01 0.00 99.48 02:00:07 0 0.31 0.00 0.20 0.02 0.01 99.46 02:00:07 1 0.30 0.00 0.20 0.01 0.00 99.49 02:10:01 all 0.42 0.00 0.15 0.03 0.00 99.41 02:10:01 0 0.52 0.00 0.09 0.02 0.00 99.37 02:10:01 1 0.32 0.00 0.20 0.03 0.00 99.45 02:20:07 all 0.24 0.00 0.10 0.01 0.00 99.64 02:20:07 0 0.43 0.00 0.09 0.00 0.00 99.47 02:20:07 1 0.05 0.00 0.12 0.02 0.00 99.80 02:30:07 all 0.26 0.00 0.19 0.03 0.00 99.52 02:30:07 0 0.44 0.00 0.16 0.00 0.00 99.39 02:30:07 1 0.08 0.00 0.22 0.05 0.01 99.65 02:40:01 all 0.29 0.00 0.09 0.01 0.01 99.61 02:40:01 0 0.18 0.00 0.09 0.00 0.01 99.72 02:40:01 1 0.40 0.00 0.08 0.02 0.01 99.50 Average: all 0.29 0.00 0.14 0.01 0.00 99.54 Average: 0 0.41 0.00 0.12 0.01 0.00 99.46 Average: 1 0.18 0.00 0.16 0.02 0.01 99.63