---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3901 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: 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 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 7.9G 30G 21% / 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 758 5278 4 2195 7183 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:9b:c8:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82206sec preferred_lft 82206sec inet6 fe80::f816:3eff:fe9b:c86c/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-3901) 08/10/26 _x86_64_ (2 CPU) 00:42:44 LINUX RESTART (2 CPU) 00:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:10 1.47 0.01 1.44 0.02 0.05 17.97 218.20 01:10:01 1.09 0.00 1.09 0.00 0.00 13.41 0.00 01:20:10 2.10 0.70 1.40 0.01 92.78 72.74 57.58 01:30:10 1.56 0.00 1.54 0.02 1.05 18.88 207.36 01:40:01 1.18 0.00 1.18 0.00 0.00 14.12 0.00 01:50:09 13.76 1.45 11.40 0.91 108.41 1924.47 190.91 Average: 3.55 0.36 3.03 0.16 34.17 347.71 112.91 00:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:10 6278224 7524576 296460 3.65 31056 1421228 526800 5.74 437876 1184256 188 01:10:01 6293652 7540492 280568 3.45 31216 1421552 527032 5.74 437948 1184740 156 01:20:10 6234244 7510352 310044 3.81 31676 1449980 715132 7.79 461520 1203312 188 01:30:10 6253548 7530620 289800 3.56 31856 1450748 529724 5.77 456060 1203820 172 01:40:01 6252792 7530348 290068 3.57 32008 1451076 529856 5.77 456592 1204300 240 01:50:09 5457284 7393752 386980 4.76 71684 2036364 617656 6.73 576464 1812940 120624 Average: 6128291 7505023 308987 3.80 38249 1538491 574367 6.26 471077 1298895 20261 00:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 0.52 0.06 0.06 0.02 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.38 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:20:10 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:10 ens3 1.02 0.54 3.43 0.09 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 0.48 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.52 0.20 0.13 0.54 0.00 0.00 0.00 0.00 01:50:09 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 01:50:09 ens3 40.44 26.79 274.89 5.98 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 7.31 4.68 47.03 1.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3901) 08/10/26 _x86_64_ (2 CPU) 00:42:44 LINUX RESTART (2 CPU) 00:50:10 CPU %user %nice %system %iowait %steal %idle 01:00:10 all 0.28 0.00 0.17 0.01 0.05 99.50 01:00:10 0 0.08 0.00 0.17 0.01 0.06 99.67 01:00:10 1 0.48 0.00 0.16 0.01 0.03 99.32 01:10:01 all 0.25 0.00 0.07 0.01 0.04 99.62 01:10:01 0 0.05 0.00 0.08 0.01 0.05 99.80 01:10:01 1 0.46 0.00 0.06 0.00 0.03 99.45 01:20:10 all 0.38 0.00 0.12 0.03 0.04 99.43 01:20:10 0 0.14 0.00 0.10 0.01 0.05 99.70 01:20:10 1 0.62 0.00 0.13 0.05 0.04 99.15 01:30:10 all 0.30 0.00 0.17 0.01 0.04 99.48 01:30:10 0 0.20 0.00 0.17 0.00 0.05 99.58 01:30:10 1 0.40 0.00 0.17 0.02 0.04 99.38 01:40:01 all 0.26 0.00 0.07 0.01 0.04 99.62 01:40:01 0 0.20 0.00 0.07 0.00 0.04 99.69 01:40:01 1 0.31 0.00 0.07 0.02 0.04 99.56 01:50:09 all 6.00 0.00 0.89 0.35 0.05 92.71 01:50:09 0 8.28 0.00 0.99 0.18 0.04 90.51 01:50:09 1 3.72 0.00 0.79 0.52 0.05 94.92 Average: all 1.26 0.00 0.25 0.07 0.04 98.38 Average: 0 1.51 0.00 0.27 0.04 0.05 98.14 Average: 1 1.01 0.00 0.23 0.10 0.04 98.62