---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38860 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 768 5108 4 2357 7172 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:31:3b:fd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.70/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81676sec preferred_lft 81676sec inet6 fe80::f816:3eff:fe31:3bfd/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-38860) 08/20/26 _x86_64_ (2 CPU) 00:36:30 LINUX RESTART (2 CPU) 00:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.19 0.03 1.16 0.00 1.25 14.83 2.33 01:00:08 41.08 2.79 22.91 15.38 221.17 3506.87 108698.27 01:10:07 2.55 0.72 1.79 0.04 95.11 186.94 59.26 01:20:01 1.36 0.01 1.32 0.03 1.08 21.64 1.90 01:30:08 1.67 0.00 1.63 0.04 0.00 135.20 393.72 01:40:08 1.35 0.00 1.33 0.02 0.00 33.84 1.79 01:50:01 1.25 0.00 1.24 0.01 0.00 20.86 0.11 Average: 7.28 0.51 4.52 2.25 45.93 566.87 15801.42 00:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6306544 7553008 268132 3.30 30952 1421256 529816 5.77 445116 1184068 188 01:00:08 5210740 7390180 377940 4.65 85840 2253816 586416 6.39 554116 2025984 25976 01:10:07 5143628 7354768 412860 5.08 86280 2285124 857552 9.34 618308 2047416 216 01:20:01 5148768 7362232 405456 4.99 86456 2287260 689696 7.51 631504 2049416 280 01:30:08 5050460 7299568 467676 5.75 86640 2322336 725292 7.90 665980 2084544 124 01:40:08 5090332 7345100 422128 5.19 86804 2327752 680764 7.41 621852 2090128 204 01:50:01 5048708 7305528 461668 5.68 86924 2329660 713068 7.77 654040 2092152 296 Average: 5285597 7372912 402266 4.95 78557 2175315 683229 7.44 598702 1939101 3898 00:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 0.95 0.09 0.14 0.05 0.00 0.00 0.00 0.00 01:00:08 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:00:08 ens3 41.36 27.83 312.80 7.37 0.00 0.00 0.00 0.00 01:10:07 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 47.26 35.54 242.19 6.00 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 10.36 8.10 62.87 0.94 0.00 0.00 0.00 0.00 01:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 12.75 11.28 155.44 1.17 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 18.34 17.32 142.03 2.02 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 13.66 13.26 141.78 1.16 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 20.74 16.25 151.66 2.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38860) 08/20/26 _x86_64_ (2 CPU) 00:36:30 LINUX RESTART (2 CPU) 00:40:08 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.33 0.00 0.10 0.01 0.02 99.53 00:50:01 0 0.17 0.00 0.12 0.01 0.03 99.67 00:50:01 1 0.49 0.00 0.09 0.01 0.02 99.39 01:00:08 all 12.59 0.00 1.94 0.62 0.08 84.77 01:00:08 0 12.44 0.00 2.06 0.68 0.09 84.74 01:00:08 1 12.73 0.00 1.82 0.57 0.07 84.81 01:10:07 all 1.53 0.00 0.46 0.03 0.06 97.92 01:10:07 0 0.72 0.00 0.32 0.03 0.04 98.89 01:10:07 1 2.34 0.00 0.60 0.03 0.09 96.95 01:20:01 all 1.84 0.00 0.44 0.01 0.07 97.64 01:20:01 0 0.82 0.00 0.24 0.00 0.04 98.89 01:20:01 1 2.90 0.00 0.65 0.01 0.09 96.35 01:30:08 all 3.36 0.00 0.97 0.01 0.08 95.59 01:30:08 0 3.84 0.00 1.08 0.01 0.09 94.99 01:30:08 1 2.89 0.00 0.85 0.01 0.07 96.18 01:40:08 all 2.06 0.00 0.37 0.01 0.05 97.51 01:40:08 0 3.43 0.00 0.53 0.01 0.08 95.96 01:40:08 1 0.70 0.00 0.20 0.01 0.03 99.06 01:50:01 all 0.94 0.00 0.26 0.01 0.04 98.75 01:50:01 0 1.17 0.00 0.31 0.01 0.05 98.47 01:50:01 1 0.72 0.00 0.21 0.00 0.03 99.03 Average: all 3.26 0.00 0.65 0.10 0.06 95.93 Average: 0 3.25 0.00 0.67 0.11 0.06 95.91 Average: 1 3.28 0.00 0.63 0.09 0.06 95.94