---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34113 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 743 5213 4 2277 7198 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:b0:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80680sec preferred_lft 80680sec inet6 fe80::f816:3eff:fe31:b0b0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-34113) 08/11/26 _x86_64_ (2 CPU) 00:36:30 LINUX RESTART (2 CPU) 00:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.39 0.03 1.36 0.00 1.25 16.44 2.32 01:00:03 1.53 0.01 1.49 0.03 0.05 19.02 228.68 01:10:04 15.59 0.71 1.62 13.26 95.21 76.18 109009.66 01:20:01 1.34 0.00 1.32 0.02 0.01 15.63 23.18 01:30:04 1.56 0.00 1.52 0.03 0.00 18.84 21.04 01:40:04 1.39 0.00 1.37 0.02 0.00 16.15 20.91 01:50:02 17.55 1.47 15.12 0.96 110.08 2000.77 246.65 02:00:04 13.90 1.36 11.10 1.44 114.00 1510.70 580.12 02:10:04 1.29 0.00 1.27 0.02 0.00 21.40 1.81 Average: 6.17 0.40 4.02 1.76 35.64 410.34 12252.59 00:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6287424 7534132 287296 3.53 30972 1421500 531828 5.79 450000 1183976 188 01:00:03 6284924 7532224 289184 3.56 31208 1421836 531828 5.79 450288 1184548 208 01:10:04 6244180 7521156 299508 3.68 31688 1450632 532104 5.80 462028 1203168 236 01:20:01 6251292 7528816 291808 3.59 31900 1450964 532104 5.80 462336 1203708 308 01:30:04 6251852 7530052 290492 3.57 32108 1451420 532176 5.80 462476 1204248 184 01:40:04 6251628 7530372 290168 3.57 32316 1451748 532176 5.80 462540 1204784 184 01:50:02 5483996 7421112 359604 4.42 72016 2036628 611676 6.66 568732 1813004 117136 02:00:04 5180320 7387704 379764 4.67 87380 2279992 629240 6.85 591048 2042588 372 02:10:04 5167580 7376852 390596 4.80 87548 2281772 637824 6.95 591660 2044480 300 Average: 5933688 7484713 319824 3.93 48571 1694055 563440 6.14 500123 1453834 13235 00:40:04 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 1.57 0.17 0.25 0.12 0.00 0.00 0.00 0.00 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.54 0.11 0.14 0.08 0.00 0.00 0.00 0.00 01:10:04 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 0.85 0.43 4.75 0.64 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 0.49 0.09 0.14 0.07 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.30 0.10 0.13 0.08 0.00 0.00 0.00 0.00 01:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 0.47 0.13 0.17 0.10 0.00 0.00 0.00 0.00 01:50:02 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 01:50:02 ens3 40.51 24.91 279.13 6.16 0.00 0.00 0.00 0.00 02:00:04 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 02:00:04 ens3 35.53 25.50 64.14 6.10 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 11.41 10.52 95.34 1.00 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 10.18 6.88 49.25 1.59 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-34113) 08/11/26 _x86_64_ (2 CPU) 00:36:30 LINUX RESTART (2 CPU) 00:40:04 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.30 0.00 0.11 0.01 0.02 99.55 00:50:01 0 0.13 0.00 0.11 0.01 0.03 99.71 00:50:01 1 0.47 0.00 0.11 0.01 0.02 99.39 01:00:03 all 0.28 0.00 0.20 2.62 0.03 96.86 01:00:03 0 0.10 0.00 0.22 3.44 0.03 96.21 01:00:03 1 0.46 0.00 0.19 1.80 0.02 97.52 01:10:04 all 0.46 0.00 0.14 0.07 0.03 99.29 01:10:04 0 0.34 0.00 0.11 0.04 0.03 99.49 01:10:04 1 0.58 0.00 0.18 0.11 0.03 99.10 01:20:01 all 0.24 0.00 0.08 0.01 0.02 99.64 01:20:01 0 0.38 0.00 0.05 0.01 0.01 99.55 01:20:01 1 0.10 0.00 0.12 0.01 0.03 99.74 01:30:04 all 0.29 0.00 0.18 0.01 0.02 99.50 01:30:04 0 0.35 0.00 0.17 0.00 0.01 99.46 01:30:04 1 0.22 0.00 0.18 0.02 0.03 99.55 01:40:04 all 0.22 0.00 0.08 0.01 0.02 99.66 01:40:04 0 0.37 0.00 0.06 0.01 0.01 99.55 01:40:04 1 0.08 0.00 0.11 0.02 0.02 99.78 01:50:02 all 7.18 0.00 1.03 0.41 0.05 91.33 01:50:02 0 10.66 0.00 1.25 0.65 0.05 87.40 01:50:02 1 3.69 0.00 0.82 0.17 0.04 95.27 02:00:04 all 7.33 0.00 1.23 0.23 0.06 91.15 02:00:04 0 3.30 0.00 0.92 0.28 0.05 95.44 02:00:04 1 11.37 0.00 1.54 0.17 0.07 86.86 02:10:04 all 1.04 0.00 0.28 0.01 0.05 98.63 02:10:04 0 0.92 0.00 0.24 0.01 0.04 98.80 02:10:04 1 1.16 0.00 0.32 0.01 0.06 98.46 Average: all 1.93 0.00 0.37 0.38 0.03 97.29 Average: 0 1.84 0.00 0.35 0.50 0.03 97.29 Average: 1 2.02 0.00 0.40 0.26 0.04 97.29