---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2188 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 8.0G 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 750 5155 4 2337 7191 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:5e:4b:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82444sec preferred_lft 82444sec inet6 fe80::f816:3eff:fe5e:4b9e/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-2188) 08/05/26 _x86_64_ (2 CPU) 00:41:13 LINUX RESTART (2 CPU) 00:50:44 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:44 1.41 0.01 1.39 0.01 0.04 17.76 0.44 01:10:05 1.13 0.00 1.13 0.00 0.00 13.90 0.00 01:20:15 14.38 0.00 1.30 13.07 0.16 15.87 107274.24 01:30:44 1.38 0.00 1.36 0.01 0.00 16.82 0.23 01:40:05 20.22 2.45 16.78 0.99 223.12 2410.27 258.00 Average: 7.58 0.47 4.23 2.89 42.29 469.51 22150.89 00:50:44 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:44 6231940 7533928 278184 3.42 34480 1464936 527156 5.74 440124 1231208 164 01:10:05 6232728 7535172 276932 3.41 34632 1465240 531256 5.79 437956 1231660 188 01:20:15 6241856 7544856 267108 3.28 34808 1465640 531328 5.79 440416 1232180 204 01:30:44 6249960 7553520 258420 3.18 34992 1465968 531384 5.79 440636 1232724 168 01:40:05 5381960 7376912 394316 4.85 74960 2082820 835444 9.10 602608 1862392 48092 Average: 6067689 7508878 294992 3.63 42774 1588921 591314 6.44 472348 1358033 9763 00:50:44 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:44 ens3 0.47 0.04 0.06 0.01 0.00 0.00 0.00 0.00 01:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 0.43 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:15 ens3 0.45 0.11 0.15 0.08 0.00 0.00 0.00 0.00 01:30:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:44 ens3 0.29 0.04 0.08 0.04 0.00 0.00 0.00 0.00 01:40:05 lo 1.19 1.19 0.07 0.07 0.00 0.00 0.00 0.00 01:40:05 ens3 39.60 26.76 301.28 7.02 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.83 5.12 57.13 1.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2188) 08/05/26 _x86_64_ (2 CPU) 00:41:13 LINUX RESTART (2 CPU) 00:50:44 CPU %user %nice %system %iowait %steal %idle 01:00:44 all 0.31 0.00 0.16 0.01 0.03 99.49 01:00:44 0 0.52 0.00 0.15 0.01 0.02 99.30 01:00:44 1 0.09 0.00 0.18 0.01 0.04 99.68 01:10:05 all 0.27 0.00 0.07 0.01 0.03 99.62 01:10:05 0 0.43 0.00 0.06 0.01 0.02 99.47 01:10:05 1 0.11 0.00 0.08 0.01 0.04 99.76 01:20:15 all 0.25 0.00 0.08 0.03 0.03 99.61 01:20:15 0 0.44 0.00 0.05 0.01 0.02 99.48 01:20:15 1 0.06 0.00 0.12 0.05 0.04 99.74 01:30:44 all 0.28 0.00 0.15 0.01 0.03 99.53 01:30:44 0 0.08 0.00 0.16 0.01 0.04 99.71 01:30:44 1 0.47 0.00 0.14 0.01 0.03 99.35 01:40:05 all 6.86 0.00 1.06 0.34 0.04 91.70 01:40:05 0 4.62 0.00 0.99 0.08 0.04 94.26 01:40:05 1 9.09 0.00 1.14 0.59 0.04 89.14 Average: all 1.52 0.00 0.30 0.08 0.03 98.07 Average: 0 1.17 0.00 0.27 0.02 0.03 98.50 Average: 1 1.87 0.00 0.32 0.13 0.04 97.64