---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8511 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: 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 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 762 5179 4 2293 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:72:b3:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.205/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80778sec preferred_lft 80778sec inet6 fe80::f816:3eff:fe72:b340/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8511) 09/16/26 _x86_64_ (2 CPU) 01:05:10 LINUX RESTART (2 CPU) 01:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:00 1.36 0.03 1.33 0.00 1.27 16.29 0.01 01:30:02 1.54 0.00 1.52 0.02 0.00 18.47 212.93 01:40:02 1.94 0.33 1.60 0.01 43.49 105.33 14.20 01:50:01 1.34 0.00 1.32 0.02 0.00 15.62 35.11 02:00:02 1.61 0.00 1.58 0.03 0.00 19.23 883.23 02:10:02 1.34 0.00 1.32 0.01 0.00 15.57 28.07 02:20:01 1.42 0.00 1.42 0.00 0.00 16.26 0.00 02:30:02 1.68 0.00 1.66 0.01 0.00 20.12 850.92 Average: 1.53 0.04 1.47 0.01 5.59 28.36 253.49 01:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:00 6287716 7535272 285340 3.51 30600 1423620 526524 5.73 446176 1184096 176 01:30:02 6297340 7545444 275272 3.38 30804 1423960 526532 5.73 446240 1184632 264 01:40:02 6220680 7508784 310920 3.82 31452 1462788 728272 7.93 464332 1214028 216 01:50:01 6220176 7508808 310768 3.82 31668 1463208 728416 7.93 464584 1214548 124 02:00:02 6221408 7510768 308808 3.80 31908 1463556 728408 7.93 464680 1215112 172 02:10:02 6221168 7511084 308504 3.79 32104 1463892 728488 7.93 465040 1215660 188 02:20:01 6220920 7511336 308232 3.79 32280 1464212 728560 7.94 465012 1216156 240 02:30:02 6224476 7515444 304080 3.74 32480 1464556 728488 7.93 465144 1216692 264 Average: 6239236 7518368 301490 3.71 31662 1453724 677961 7.38 460151 1207616 206 01:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.78 0.09 0.14 0.06 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.41 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:02 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 0.65 0.29 3.35 0.05 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.22 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:02 ens3 0.32 0.04 0.07 0.03 0.00 0.00 0.00 0.00 02:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:02 ens3 0.24 0.08 0.04 0.48 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.22 0.05 0.03 0.01 0.00 0.00 0.00 0.00 02:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 0.18 0.04 0.03 0.01 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 0.38 0.09 0.47 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8511) 09/16/26 _x86_64_ (2 CPU) 01:05:10 LINUX RESTART (2 CPU) 01:10:02 CPU %user %nice %system %iowait %steal %idle 01:20:00 all 0.32 0.00 0.11 0.01 0.02 99.53 01:20:00 0 0.17 0.00 0.12 0.00 0.02 99.69 01:20:00 1 0.48 0.00 0.11 0.02 0.02 99.38 01:30:02 all 0.31 0.00 0.20 0.01 0.01 99.46 01:30:02 0 0.43 0.00 0.19 0.00 0.02 99.35 01:30:02 1 0.19 0.00 0.20 0.02 0.01 99.58 01:40:02 all 0.42 0.00 0.17 0.03 0.02 99.37 01:40:02 0 0.43 0.00 0.15 0.02 0.02 99.39 01:40:02 1 0.40 0.00 0.19 0.04 0.02 99.36 01:50:01 all 0.29 0.00 0.11 0.01 0.02 99.56 01:50:01 0 0.49 0.00 0.08 0.01 0.02 99.40 01:50:01 1 0.09 0.00 0.13 0.02 0.03 99.73 02:00:02 all 0.30 0.00 0.20 0.01 0.02 99.47 02:00:02 0 0.28 0.00 0.19 0.00 0.02 99.51 02:00:02 1 0.32 0.00 0.21 0.02 0.03 99.42 02:10:02 all 0.24 0.00 0.11 0.01 0.02 99.62 02:10:02 0 0.10 0.00 0.12 0.00 0.02 99.76 02:10:02 1 0.38 0.00 0.11 0.02 0.02 99.47 02:20:01 all 0.27 0.00 0.11 0.01 0.02 99.58 02:20:01 0 0.26 0.00 0.10 0.00 0.02 99.62 02:20:01 1 0.29 0.00 0.11 0.03 0.03 99.55 02:30:02 all 0.28 0.00 0.19 0.02 0.03 99.49 02:30:02 0 0.27 0.00 0.20 0.01 0.03 99.48 02:30:02 1 0.28 0.00 0.18 0.02 0.03 99.49 Average: all 0.31 0.00 0.15 0.01 0.02 99.51 Average: 0 0.31 0.00 0.14 0.01 0.02 99.53 Average: 1 0.30 0.00 0.15 0.02 0.02 99.50