---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38896 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 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 786 5170 4 2277 7155 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:c7:4f:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82120sec preferred_lft 82120sec inet6 fe80::f816:3eff:fec7:4f41/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38896) 08/20/26 _x86_64_ (2 CPU) 01:03:59 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:21 1.22 0.01 1.20 0.00 0.06 14.81 4.47 01:30:11 1.51 0.00 1.47 0.03 0.00 17.86 674.13 01:40:01 1.08 0.00 1.07 0.02 0.00 13.37 23.46 01:50:21 2.06 0.68 1.35 0.02 91.10 71.95 76.63 02:00:11 14.95 0.01 1.43 13.51 1.22 17.88 111145.00 02:10:01 19.44 1.61 16.84 0.98 116.72 2279.84 245.28 Average: 6.62 0.38 3.85 2.39 35.04 396.72 18387.81 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:21 6312844 7559988 261368 3.21 31016 1421916 527380 5.74 445216 1184224 252 01:30:11 6307116 7554820 266564 3.28 31224 1422248 527608 5.75 445508 1184772 172 01:40:01 6299052 7547256 274124 3.37 31424 1422540 530280 5.78 446852 1185264 132 01:50:21 6249856 7527564 293004 3.60 31892 1451184 725816 7.91 463692 1204056 196 02:00:11 6269392 7548128 272424 3.35 32084 1451996 530540 5.78 457960 1204596 176 02:10:01 5401112 7345980 434520 5.34 71776 2044332 670176 7.30 626172 1819888 47740 Average: 6139895 7513956 300334 3.69 38236 1535703 585300 6.38 480900 1297133 8111 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:21 ens3 1.62 0.10 0.20 0.08 0.00 0.00 0.00 0.00 01:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 0.61 0.10 0.64 0.08 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 0.46 0.11 0.13 0.06 0.00 0.00 0.00 0.00 01:50:21 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:50:21 ens3 0.79 0.53 3.19 0.60 0.00 0.00 0.00 0.00 02:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:11 ens3 0.17 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:10:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:10:01 ens3 43.19 26.27 286.36 6.04 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 7.70 4.45 47.66 1.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38896) 08/20/26 _x86_64_ (2 CPU) 01:03:59 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:21 all 0.29 0.00 0.08 0.02 0.03 99.58 01:20:21 0 0.51 0.00 0.07 0.01 0.03 99.38 01:20:21 1 0.07 0.00 0.09 0.03 0.03 99.78 01:30:11 all 0.30 0.00 0.18 0.01 0.03 99.48 01:30:11 0 0.30 0.00 0.17 0.01 0.03 99.49 01:30:11 1 0.30 0.00 0.19 0.01 0.03 99.48 01:40:01 all 0.25 0.00 0.08 0.01 0.03 99.62 01:40:01 0 0.11 0.00 0.10 0.01 0.03 99.75 01:40:01 1 0.39 0.00 0.07 0.01 0.03 99.50 01:50:21 all 0.36 0.00 0.11 0.03 0.03 99.47 01:50:21 0 0.26 0.00 0.12 0.01 0.03 99.58 01:50:21 1 0.47 0.00 0.10 0.04 0.02 99.37 02:00:11 all 0.25 0.00 0.17 0.03 0.03 99.52 02:00:11 0 0.07 0.00 0.17 0.01 0.04 99.71 02:00:11 1 0.43 0.00 0.17 0.05 0.02 99.33 02:10:01 all 6.82 0.00 1.07 0.38 0.04 91.68 02:10:01 0 8.16 0.00 1.14 0.66 0.05 89.99 02:10:01 1 5.49 0.00 1.00 0.11 0.03 93.37 Average: all 1.36 0.00 0.28 0.08 0.03 98.25 Average: 0 1.55 0.00 0.29 0.12 0.04 98.01 Average: 1 1.18 0.00 0.27 0.04 0.03 98.49