---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-766 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 772 5177 4 2285 7168 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:3a:99:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80490sec preferred_lft 80490sec inet6 fe80::f816:3eff:fe3a:9985/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-766) 09/06/26 _x86_64_ (2 CPU) 01:11:34 LINUX RESTART (2 CPU) 01:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:30:01 1.46 0.01 1.43 0.02 0.05 17.95 0.48 01:40:01 1.17 0.00 1.15 0.02 0.00 14.17 0.67 01:50:09 1.32 0.00 1.30 0.02 0.00 15.26 0.66 02:00:01 2.14 0.33 1.76 0.04 44.02 108.40 439.70 02:10:01 1.35 0.00 1.33 0.02 0.00 15.46 31.67 02:20:02 1.46 0.02 1.42 0.01 2.14 16.65 17.52 02:30:01 1.53 0.00 1.51 0.02 0.00 17.93 855.39 02:40:01 1.42 0.00 1.42 0.00 0.00 16.38 0.00 Average: 1.48 0.05 1.42 0.02 5.71 27.64 167.41 01:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:30:01 6281212 7528296 291964 3.59 30648 1423288 529128 5.76 446132 1184040 160 01:40:01 6298984 7546584 273596 3.36 30864 1423616 529128 5.76 446168 1184552 160 01:50:09 6282112 7530284 289912 3.56 31072 1423940 535460 5.83 447956 1185116 176 02:00:01 6224788 7512956 306152 3.76 31760 1462764 735960 8.02 466432 1214388 288 02:10:01 6225972 7514692 304464 3.74 31960 1463088 735960 8.02 466344 1214932 288 02:20:02 6218804 7508708 310436 3.82 32156 1464056 735960 8.02 467128 1215544 204 02:30:01 6223144 7513560 305484 3.76 32340 1464388 735960 8.02 467020 1216028 308 02:40:01 6222640 7513576 305448 3.76 32492 1464716 736096 8.02 467356 1216540 276 Average: 6247207 7521082 298432 3.67 31662 1448732 659206 7.18 459317 1203892 232 01:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 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 0.07 0.26 0.04 0.00 0.00 0.00 0.00 01:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:09 ens3 0.47 0.08 0.08 0.04 0.00 0.00 0.00 0.00 02:00:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.64 0.27 3.36 0.05 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.38 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 0.31 0.06 0.04 0.02 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.29 0.05 0.04 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 0.47 0.21 0.08 0.59 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 0.48 0.10 0.50 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-766) 09/06/26 _x86_64_ (2 CPU) 01:11:34 LINUX RESTART (2 CPU) 01:20:04 CPU %user %nice %system %iowait %steal %idle 01:30:01 all 0.31 0.00 0.19 0.01 0.00 99.49 01:30:01 0 0.46 0.00 0.18 0.01 0.00 99.35 01:30:01 1 0.15 0.00 0.20 0.02 0.01 99.62 01:40:01 all 0.27 0.00 0.09 0.01 0.01 99.63 01:40:01 0 0.46 0.00 0.07 0.00 0.00 99.46 01:40:01 1 0.07 0.00 0.11 0.02 0.01 99.79 01:50:09 all 0.30 0.00 0.09 0.01 0.00 99.60 01:50:09 0 0.31 0.00 0.07 0.00 0.00 99.61 01:50:09 1 0.28 0.00 0.10 0.02 0.00 99.59 02:00:01 all 0.47 0.00 0.24 0.03 0.00 99.26 02:00:01 0 0.42 0.00 0.19 0.01 0.00 99.38 02:00:01 1 0.51 0.00 0.29 0.05 0.00 99.15 02:10:01 all 0.26 0.00 0.09 0.01 0.00 99.64 02:10:01 0 0.15 0.00 0.10 0.01 0.00 99.75 02:10:01 1 0.36 0.00 0.08 0.01 0.00 99.54 02:20:02 all 0.28 0.00 0.10 0.01 0.00 99.60 02:20:02 0 0.06 0.00 0.12 0.00 0.00 99.81 02:20:02 1 0.50 0.00 0.08 0.02 0.00 99.40 02:30:01 all 0.29 0.00 0.20 0.02 0.01 99.49 02:30:01 0 0.28 0.00 0.19 0.01 0.01 99.51 02:30:01 1 0.29 0.00 0.22 0.02 0.01 99.46 02:40:01 all 0.28 0.00 0.09 0.01 0.01 99.61 02:40:01 0 0.17 0.00 0.08 0.02 0.00 99.73 02:40:01 1 0.40 0.00 0.11 0.00 0.01 99.49 Average: all 0.31 0.00 0.14 0.01 0.00 99.54 Average: 0 0.29 0.00 0.12 0.01 0.00 99.58 Average: 1 0.32 0.00 0.15 0.02 0.01 99.51