---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39858 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 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 nrip_save 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 8.1G 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 738 5035 4 2468 7202 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:6a:d9:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.164/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80795sec preferred_lft 80795sec inet6 fe80::f816:3eff:fe6a:d9d8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-39858) 08/22/26 _x86_64_ (2 CPU) 01:04:18 LINUX RESTART (2 CPU) 01:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:05 1.18 0.01 1.17 0.00 0.07 14.85 2.31 01:30:06 1.31 0.00 1.28 0.03 0.00 16.34 448.92 01:40:07 1.22 0.00 1.21 0.02 0.00 14.59 23.03 01:50:08 14.65 0.00 1.42 13.23 0.15 16.81 108862.97 02:00:01 2.55 0.72 1.79 0.04 96.39 79.35 290.05 02:10:11 1.44 0.00 1.42 0.02 0.00 16.38 22.68 02:20:06 1.47 0.00 1.46 0.02 0.00 16.76 23.25 02:30:01 17.91 1.60 15.35 0.96 115.77 2236.61 422.16 Average: 5.20 0.29 3.12 1.79 26.29 299.19 13799.41 01:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:05 6296244 7543852 277456 3.41 31024 1422332 520716 5.67 442096 1184296 228 01:30:06 6298360 7546532 274828 3.38 31252 1422660 520780 5.67 442352 1184852 172 01:40:07 6298136 7546812 274544 3.38 31428 1422984 521008 5.67 442600 1185352 72 01:50:08 6297888 7547148 274152 3.37 31628 1423356 522700 5.69 443844 1185896 124 02:00:01 6254044 7533288 287288 3.53 32132 1452416 521204 5.68 453628 1204704 248 02:10:11 6254044 7533832 286740 3.53 32348 1452736 521204 5.68 453660 1205240 124 02:20:06 6254044 7534360 286208 3.52 32540 1453064 521204 5.68 453568 1205760 76 02:30:01 5430164 7376728 403964 4.97 72264 2045528 631004 6.87 587808 1821220 45556 Average: 6172866 7520319 295648 3.64 36827 1511884 534978 5.83 464944 1272165 5825 01:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 1.20 0.21 0.27 0.15 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.75 0.11 4.15 0.06 0.00 0.00 0.00 0.00 01:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 0.47 0.19 0.08 0.62 0.00 0.00 0.00 0.00 01:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:08 ens3 0.51 0.13 0.15 0.08 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 1.09 0.54 3.41 0.09 0.00 0.00 0.00 0.00 02:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:11 ens3 0.26 0.06 0.05 0.02 0.00 0.00 0.00 0.00 02:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:06 ens3 0.25 0.08 0.07 0.03 0.00 0.00 0.00 0.00 02:30:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:30:01 ens3 37.17 24.41 283.30 6.02 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 5.18 3.19 36.15 0.88 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-39858) 08/22/26 _x86_64_ (2 CPU) 01:04:18 LINUX RESTART (2 CPU) 01:10:05 CPU %user %nice %system %iowait %steal %idle 01:20:05 all 0.30 0.00 0.08 0.02 0.03 99.56 01:20:05 0 0.47 0.00 0.07 0.02 0.02 99.42 01:20:05 1 0.14 0.00 0.10 0.02 0.03 99.71 01:30:06 all 0.24 0.00 0.18 0.05 0.03 99.50 01:30:06 0 0.14 0.00 0.18 0.03 0.03 99.62 01:30:06 1 0.35 0.00 0.17 0.07 0.03 99.38 01:40:07 all 0.24 0.00 0.08 0.03 0.03 99.62 01:40:07 0 0.07 0.00 0.09 0.03 0.04 99.78 01:40:07 1 0.41 0.00 0.07 0.04 0.03 99.45 01:50:08 all 0.27 0.00 0.08 0.05 0.03 99.58 01:50:08 0 0.05 0.00 0.10 0.04 0.04 99.77 01:50:08 1 0.49 0.00 0.07 0.05 0.01 99.38 02:00:01 all 0.34 0.00 0.20 0.08 0.03 99.36 02:00:01 0 0.36 0.00 0.17 0.11 0.02 99.34 02:00:01 1 0.32 0.00 0.22 0.05 0.03 99.37 02:10:11 all 0.21 0.00 0.07 0.03 0.03 99.66 02:10:11 0 0.39 0.00 0.05 0.06 0.02 99.48 02:10:11 1 0.04 0.00 0.08 0.00 0.04 99.84 02:20:06 all 0.20 0.00 0.07 0.03 0.03 99.67 02:20:06 0 0.35 0.00 0.05 0.04 0.01 99.55 02:20:06 1 0.05 0.00 0.09 0.03 0.04 99.79 02:30:01 all 6.31 0.00 1.04 0.73 0.04 91.87 02:30:01 0 4.92 0.00 0.88 0.87 0.03 93.30 02:30:01 1 7.69 0.00 1.21 0.60 0.05 90.45 Average: all 1.01 0.00 0.22 0.13 0.03 98.61 Average: 0 0.84 0.00 0.20 0.15 0.03 98.79 Average: 1 1.18 0.00 0.25 0.11 0.03 98.43