---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-58793 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 767 5170 4 2298 7174 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:51:08:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80713sec preferred_lft 80713sec inet6 fe80::f816:3eff:fe51:87a/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-58793) 09/26/26 _x86_64_ (2 CPU) 01:03:58 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:12 1.36 0.01 1.35 0.00 0.07 16.64 0.16 01:30:01 1.52 0.00 1.49 0.03 0.00 18.14 435.08 01:40:01 1.34 0.00 1.32 0.02 0.00 15.88 0.80 01:50:12 1.33 0.00 1.32 0.02 0.00 15.96 0.79 02:00:12 15.38 0.33 1.80 13.25 43.64 101.12 109475.09 02:10:12 1.44 0.00 1.43 0.01 0.00 24.12 29.92 02:20:12 1.39 0.00 1.39 0.00 0.00 16.28 0.00 02:30:12 1.55 0.00 1.54 0.01 0.00 18.69 639.79 Average: 3.16 0.04 1.45 1.66 5.45 28.32 13791.61 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:12 6290920 7538732 281768 3.46 30628 1423836 521948 5.69 445716 1184136 220 01:30:01 6291052 7539420 281092 3.46 30832 1424168 521952 5.69 445924 1184672 280 01:40:01 6289064 7537972 282532 3.47 31056 1424484 522020 5.69 449308 1185212 280 01:50:12 6289064 7538520 281916 3.47 31264 1424816 522188 5.69 449744 1185752 196 02:00:12 6232260 7521864 297396 3.66 31928 1463796 715764 7.80 467848 1215220 2380 02:10:12 6236824 7527088 292204 3.59 32128 1464252 715892 7.80 468196 1215748 132 02:20:12 6235088 7525980 293284 3.61 32304 1464692 715892 7.80 468384 1216248 212 02:30:12 6234368 7525820 293384 3.61 32496 1465032 715892 7.80 468440 1216768 132 Average: 6262330 7531924 287947 3.54 31580 1444384 618944 6.74 457945 1200470 479 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 0.96 0.11 0.15 0.07 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 1.02 0.08 10.50 0.06 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 0.51 0.06 0.09 0.05 0.00 0.00 0.00 0.00 01:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:12 ens3 0.43 0.13 0.14 0.08 0.00 0.00 0.00 0.00 02:00:12 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 0.61 0.27 3.33 0.03 0.00 0.00 0.00 0.00 02:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:12 ens3 0.35 0.20 0.07 0.66 0.00 0.00 0.00 0.00 02:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 0.19 0.05 0.03 0.01 0.00 0.00 0.00 0.00 02:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:12 ens3 0.25 0.06 0.06 0.03 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 0.54 0.12 1.77 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-58793) 09/26/26 _x86_64_ (2 CPU) 01:03:58 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:12 all 0.30 0.00 0.07 0.01 0.00 99.61 01:20:12 0 0.14 0.00 0.09 0.01 0.00 99.77 01:20:12 1 0.46 0.00 0.06 0.02 0.00 99.46 01:30:01 all 0.28 0.00 0.18 0.01 0.00 99.52 01:30:01 0 0.24 0.00 0.18 0.00 0.00 99.57 01:30:01 1 0.33 0.00 0.18 0.02 0.00 99.47 01:40:01 all 0.28 0.00 0.08 0.02 0.00 99.62 01:40:01 0 0.52 0.00 0.04 0.00 0.00 99.44 01:40:01 1 0.05 0.00 0.11 0.03 0.00 99.80 01:50:12 all 0.26 0.00 0.07 0.01 0.00 99.66 01:50:12 0 0.45 0.00 0.04 0.01 0.00 99.49 01:50:12 1 0.06 0.00 0.09 0.02 0.00 99.83 02:00:12 all 0.42 0.00 0.21 0.06 0.00 99.31 02:00:12 0 0.57 0.00 0.26 0.09 0.00 99.09 02:00:12 1 0.27 0.00 0.16 0.04 0.00 99.54 02:10:12 all 0.27 0.00 0.06 0.02 0.00 99.65 02:10:12 0 0.06 0.00 0.08 0.03 0.01 99.83 02:10:12 1 0.48 0.00 0.05 0.00 0.00 99.47 02:20:12 all 0.25 0.00 0.06 0.01 0.00 99.68 02:20:12 0 0.04 0.00 0.08 0.02 0.00 99.87 02:20:12 1 0.46 0.00 0.05 0.01 0.00 99.48 02:30:12 all 0.25 0.00 0.16 0.01 0.00 99.57 02:30:12 0 0.09 0.00 0.17 0.02 0.00 99.72 02:30:12 1 0.42 0.00 0.14 0.00 0.00 99.43 Average: all 0.29 0.00 0.11 0.02 0.00 99.58 Average: 0 0.26 0.00 0.12 0.02 0.00 99.60 Average: 1 0.31 0.00 0.10 0.02 0.00 99.56