---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8309 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 763 5185 4 2286 7178 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:23:0f:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80813sec preferred_lft 80813sec inet6 fe80::f816:3eff:fe23:fe8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8309) 09/15/26 _x86_64_ (2 CPU) 01:06:44 LINUX RESTART (2 CPU) 01:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:07 1.41 0.03 1.38 0.00 1.25 16.80 0.08 01:30:07 1.62 0.01 1.58 0.03 0.05 19.85 640.48 01:40:00 1.89 0.33 1.53 0.03 44.00 106.02 0.98 01:50:07 14.50 0.00 1.42 13.08 0.14 17.07 107766.35 02:00:07 1.65 0.00 1.62 0.03 0.00 19.56 684.47 02:10:00 1.27 0.00 1.25 0.02 0.00 15.44 45.36 02:20:07 1.40 0.00 1.40 0.00 0.00 16.87 0.00 02:30:00 1.57 0.00 1.56 0.01 0.00 18.82 647.08 Average: 3.18 0.05 1.47 1.67 5.63 28.69 13897.73 01:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:07 6274540 7521008 299468 3.68 30588 1422780 520688 5.67 441100 1183932 180 01:30:07 6279620 7526672 293848 3.61 30812 1423112 520924 5.67 446328 1184488 168 01:40:00 6217776 7504772 314740 3.87 31440 1461944 714332 7.78 464592 1213860 172 01:50:07 6237036 7524644 294604 3.62 31652 1462316 714332 7.78 464580 1214416 224 02:00:07 6220680 7508980 310140 3.81 31852 1462768 714344 7.78 464892 1214944 108 02:10:00 6220680 7509520 309596 3.81 32060 1463104 714472 7.78 465288 1215480 180 02:20:07 6243920 7533252 285868 3.52 32228 1463416 714536 7.78 465568 1215968 124 02:30:00 6226812 7516684 302364 3.72 32412 1463764 714536 7.78 465456 1216492 204 Average: 6240133 7518192 301328 3.71 31630 1452900 666020 7.25 459726 1207448 170 01:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:07 ens3 1.45 0.12 0.25 0.04 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.55 0.12 0.13 0.07 0.00 0.00 0.00 0.00 01:40:00 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.81 0.25 3.41 0.07 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 0.28 0.05 0.05 0.01 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 0.31 0.04 0.05 0.03 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.25 0.12 0.05 0.51 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 0.19 0.03 0.02 0.01 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.17 0.02 0.02 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 0.50 0.09 0.49 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8309) 09/15/26 _x86_64_ (2 CPU) 01:06:44 LINUX RESTART (2 CPU) 01:10:07 CPU %user %nice %system %iowait %steal %idle 01:20:07 all 0.31 0.00 0.11 0.01 0.01 99.56 01:20:07 0 0.30 0.00 0.13 0.02 0.01 99.55 01:20:07 1 0.32 0.00 0.10 0.00 0.01 99.57 01:30:07 all 0.32 0.00 0.21 0.01 0.01 99.45 01:30:07 0 0.30 0.00 0.22 0.01 0.01 99.47 01:30:07 1 0.34 0.00 0.20 0.02 0.01 99.44 01:40:00 all 0.41 0.00 0.14 0.02 0.00 99.42 01:40:00 0 0.28 0.00 0.16 0.02 0.00 99.54 01:40:00 1 0.55 0.00 0.13 0.03 0.00 99.29 01:50:07 all 0.26 0.00 0.12 0.04 0.00 99.57 01:50:07 0 0.08 0.00 0.16 0.06 0.00 99.70 01:50:07 1 0.45 0.00 0.09 0.02 0.00 99.44 02:00:07 all 0.29 0.00 0.18 0.01 0.00 99.52 02:00:07 0 0.30 0.00 0.19 0.00 0.00 99.50 02:00:07 1 0.27 0.00 0.17 0.02 0.01 99.53 02:10:00 all 0.26 0.00 0.08 0.01 0.00 99.65 02:10:00 0 0.07 0.00 0.09 0.01 0.01 99.82 02:10:00 1 0.44 0.00 0.06 0.01 0.00 99.48 02:20:07 all 0.27 0.00 0.11 0.01 0.00 99.60 02:20:07 0 0.06 0.00 0.12 0.02 0.01 99.79 02:20:07 1 0.48 0.00 0.10 0.01 0.00 99.41 02:30:00 all 0.30 0.00 0.21 0.02 0.01 99.46 02:30:00 0 0.29 0.00 0.20 0.03 0.01 99.47 02:30:00 1 0.31 0.00 0.22 0.01 0.01 99.46 Average: all 0.30 0.00 0.15 0.02 0.01 99.53 Average: 0 0.21 0.00 0.16 0.02 0.01 99.60 Average: 1 0.39 0.00 0.13 0.02 0.00 99.45