---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6983 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 764 5147 4 2324 7177 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:4a:f5:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.253/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80785sec preferred_lft 80785sec inet6 fe80::f816:3eff:fe4a:f5f4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6983) 09/11/26 _x86_64_ (2 CPU) 01:05:04 LINUX RESTART (2 CPU) 01:10:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 1.21 0.03 1.18 0.00 1.30 15.19 5.95 01:30:13 1.95 0.33 1.60 0.02 42.70 104.89 424.12 01:40:13 1.16 0.00 1.16 0.01 0.00 14.43 19.89 01:50:01 1.16 0.00 1.15 0.02 0.00 14.75 50.70 02:00:03 1.40 0.00 1.37 0.03 0.00 17.24 475.19 02:10:33 1.24 0.00 1.23 0.01 0.00 15.20 37.89 02:20:02 15.26 0.00 1.32 13.94 0.15 15.78 114902.65 02:30:33 1.39 0.00 1.38 0.01 0.00 17.71 405.62 Average: 3.01 0.05 1.30 1.66 5.61 27.11 13771.98 01:10:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6274600 7521316 298864 3.67 30596 1423008 525556 5.72 442236 1183924 136 01:30:13 6220540 7507312 311796 3.83 31260 1461860 717216 7.81 459532 1213356 228 01:40:13 6221372 7508620 310444 3.82 31432 1462188 717416 7.81 459856 1213824 164 01:50:01 6222936 7510720 308372 3.79 31648 1462472 717416 7.81 459760 1214356 252 02:00:03 6224040 7512508 306552 3.77 31856 1462940 717416 7.81 460220 1214896 248 02:10:33 6224232 7513280 305764 3.76 32056 1463304 719172 7.83 461708 1215460 224 02:20:02 6232208 7521744 297280 3.66 32200 1463624 717544 7.82 460424 1215904 240 02:30:33 6225752 7515860 303084 3.73 32392 1463996 717544 7.82 460604 1216464 168 Average: 6230710 7513920 305270 3.75 31680 1457924 693660 7.56 458042 1211023 208 01:10:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.79 0.11 0.12 0.06 0.00 0.00 0.00 0.00 01:30:13 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:13 ens3 1.08 0.29 10.22 0.06 0.00 0.00 0.00 0.00 01:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:13 ens3 0.43 0.09 0.11 0.06 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 0.40 0.08 0.08 0.04 0.00 0.00 0.00 0.00 02:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 0.20 0.05 0.05 0.03 0.00 0.00 0.00 0.00 02:10:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:33 ens3 0.34 0.24 0.05 0.68 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 0.21 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:30:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:33 ens3 0.23 0.04 0.03 0.02 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 0.46 0.12 1.36 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6983) 09/11/26 _x86_64_ (2 CPU) 01:05:04 LINUX RESTART (2 CPU) 01:10:23 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.31 0.00 0.11 0.01 0.00 99.57 01:20:01 0 0.36 0.00 0.11 0.01 0.00 99.52 01:20:01 1 0.25 0.00 0.11 0.02 0.01 99.61 01:30:13 all 0.44 0.00 0.22 0.03 0.00 99.31 01:30:13 0 0.24 0.00 0.21 0.04 0.00 99.50 01:30:13 1 0.65 0.00 0.22 0.01 0.00 99.12 01:40:13 all 0.28 0.00 0.10 0.01 0.01 99.61 01:40:13 0 0.07 0.00 0.12 0.00 0.01 99.80 01:40:13 1 0.49 0.00 0.08 0.02 0.01 99.41 01:50:01 all 0.27 0.00 0.09 0.01 0.00 99.62 01:50:01 0 0.06 0.00 0.12 0.02 0.01 99.79 01:50:01 1 0.48 0.00 0.07 0.00 0.00 99.44 02:00:03 all 0.27 0.00 0.16 0.01 0.00 99.55 02:00:03 0 0.08 0.00 0.18 0.02 0.01 99.72 02:00:03 1 0.46 0.00 0.14 0.01 0.00 99.39 02:10:33 all 0.28 0.00 0.07 0.01 0.00 99.63 02:10:33 0 0.25 0.00 0.07 0.00 0.00 99.68 02:10:33 1 0.31 0.00 0.08 0.02 0.00 99.59 02:20:02 all 0.27 0.00 0.09 0.04 0.00 99.59 02:20:02 0 0.07 0.00 0.10 0.01 0.01 99.82 02:20:02 1 0.48 0.00 0.09 0.07 0.00 99.36 02:30:33 all 0.26 0.00 0.15 0.01 0.00 99.57 02:30:33 0 0.07 0.00 0.15 0.00 0.00 99.77 02:30:33 1 0.45 0.00 0.15 0.02 0.00 99.38 Average: all 0.30 0.00 0.12 0.02 0.00 99.56 Average: 0 0.15 0.00 0.13 0.01 0.01 99.70 Average: 1 0.45 0.00 0.12 0.02 0.00 99.41