---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6215 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 770 5176 4 2288 7170 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:76:51:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.145/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80305sec preferred_lft 80305sec inet6 fe80::f816:3eff:fe76:5160/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6215) 09/09/26 _x86_64_ (2 CPU) 01:07:49 LINUX RESTART (2 CPU) 01:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:02 2.08 0.36 1.70 0.02 45.79 108.72 25.62 01:30:16 1.61 0.01 1.57 0.03 0.05 19.22 465.61 01:40:12 1.35 0.00 1.34 0.02 0.00 16.08 55.04 01:50:12 1.33 0.00 1.32 0.02 0.00 15.75 44.76 02:00:16 1.60 0.00 1.57 0.03 0.00 18.82 473.32 02:10:02 14.83 0.00 1.28 13.55 0.15 15.50 111553.12 02:20:16 1.27 0.00 1.25 0.02 0.00 15.27 53.49 02:30:12 1.60 0.03 1.55 0.03 2.16 19.08 474.16 02:40:16 1.18 0.00 1.16 0.02 0.00 14.63 54.37 Average: 2.95 0.04 1.41 1.49 5.23 26.78 12296.60 01:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:02 6250668 7541224 278308 3.42 31068 1465588 723924 7.88 461980 1217092 180 01:30:16 6240844 7532020 287432 3.53 31316 1465920 724092 7.89 462008 1217672 132 01:40:12 6248656 7540376 279004 3.43 31528 1466248 724092 7.89 462216 1218212 136 01:50:12 6247904 7540152 279216 3.43 31724 1466572 724156 7.89 462288 1218732 132 02:00:16 6243796 7536756 282560 3.47 31940 1467032 724156 7.89 462468 1219280 164 02:10:02 6242804 7536328 282964 3.48 32124 1467396 724156 7.89 462564 1219800 336 02:20:16 6244484 7538536 280736 3.45 32328 1467724 724156 7.89 462576 1220320 196 02:30:12 6231016 7526268 292980 3.60 32536 1468700 724288 7.89 463340 1220956 132 02:40:16 6237108 7532928 286340 3.52 32764 1469028 724292 7.89 463432 1221512 188 Average: 6243031 7536065 283282 3.48 31925 1467134 724146 7.89 462541 1219286 177 01:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:02 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 1.90 0.33 3.53 0.07 0.00 0.00 0.00 0.00 01:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:16 ens3 0.50 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:12 ens3 0.31 0.06 0.07 0.03 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 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:16 ens3 0.28 0.06 0.06 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 0.32 0.02 0.03 0.01 0.00 0.00 0.00 0.00 02:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:16 ens3 0.25 0.05 0.05 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 0.32 0.13 0.06 0.52 0.00 0.00 0.00 0.00 02:40:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:16 ens3 0.40 0.09 0.12 0.07 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 0.52 0.10 0.44 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6215) 09/09/26 _x86_64_ (2 CPU) 01:07:49 LINUX RESTART (2 CPU) 01:10:16 CPU %user %nice %system %iowait %steal %idle 01:20:02 all 0.50 0.00 0.18 0.03 0.02 99.28 01:20:02 0 0.72 0.00 0.14 0.01 0.01 99.11 01:20:02 1 0.27 0.00 0.22 0.05 0.02 99.45 01:30:16 all 0.32 0.00 0.20 0.01 0.01 99.46 01:30:16 0 0.38 0.00 0.18 0.01 0.01 99.42 01:30:16 1 0.26 0.00 0.22 0.01 0.01 99.51 01:40:12 all 0.28 0.00 0.13 0.01 0.01 99.58 01:40:12 0 0.08 0.00 0.14 0.02 0.01 99.75 01:40:12 1 0.47 0.00 0.12 0.00 0.01 99.40 01:50:12 all 0.28 0.00 0.13 0.01 0.01 99.57 01:50:12 0 0.09 0.00 0.14 0.01 0.01 99.76 01:50:12 1 0.48 0.00 0.11 0.02 0.01 99.39 02:00:16 all 0.28 0.00 0.20 0.01 0.01 99.50 02:00:16 0 0.10 0.00 0.20 0.00 0.01 99.69 02:00:16 1 0.47 0.00 0.20 0.02 0.01 99.30 02:10:02 all 0.28 0.00 0.12 0.04 0.01 99.55 02:10:02 0 0.07 0.00 0.13 0.06 0.01 99.72 02:10:02 1 0.49 0.00 0.11 0.02 0.01 99.37 02:20:16 all 0.26 0.00 0.09 0.01 0.01 99.63 02:20:16 0 0.07 0.00 0.10 0.01 0.01 99.81 02:20:16 1 0.45 0.00 0.08 0.01 0.01 99.45 02:30:12 all 0.32 0.00 0.18 0.03 0.01 99.47 02:30:12 0 0.10 0.00 0.19 0.04 0.01 99.65 02:30:12 1 0.53 0.00 0.16 0.02 0.01 99.28 02:40:16 all 0.24 0.00 0.11 0.01 0.01 99.64 02:40:16 0 0.05 0.00 0.13 0.01 0.01 99.79 02:40:16 1 0.42 0.00 0.08 0.01 0.01 99.48 Average: all 0.30 0.00 0.15 0.02 0.01 99.52 Average: 0 0.18 0.00 0.15 0.02 0.01 99.64 Average: 1 0.43 0.00 0.14 0.02 0.01 99.40