---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3342 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 759 5202 4 2273 7182 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:e1:2d:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82194sec preferred_lft 82194sec inet6 fe80::f816:3eff:fee1:2d7f/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-3342) 08/08/26 _x86_64_ (2 CPU) 01:44:58 LINUX RESTART (2 CPU) 01:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:23 1.43 0.03 1.38 0.02 1.27 17.46 631.63 02:10:03 1.13 0.00 1.13 0.00 0.00 13.81 2.39 02:20:03 1.16 0.00 1.16 0.00 0.01 14.31 2.31 02:30:13 15.33 0.70 1.59 13.05 92.74 75.00 107326.25 02:40:13 1.18 0.01 1.17 0.01 1.05 14.72 0.09 02:50:13 16.24 1.59 13.75 0.91 114.69 2328.65 188.62 Average: 6.12 0.39 3.36 2.37 35.22 410.84 18324.79 01:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:23 6296496 7542624 279040 3.43 31000 1420880 527880 5.75 444348 1183976 180 02:10:03 6292300 7538908 282756 3.48 31148 1421208 527912 5.75 444368 1184452 212 02:20:03 6288448 7535692 285952 3.52 31332 1421664 530908 5.78 446732 1184956 248 02:30:13 6245284 7521848 298828 3.67 31756 1450132 724844 7.89 464504 1203512 148 02:40:13 6255484 7532988 287784 3.54 31928 1450896 532536 5.80 460736 1204008 180 02:50:13 5445972 7386792 393928 4.84 71896 2040008 646248 7.04 601220 1816384 5212 Average: 6137331 7509809 304715 3.75 38177 1534131 581721 6.34 476985 1296215 1030 01:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:23 ens3 1.06 0.10 0.15 0.07 0.00 0.00 0.00 0.00 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 1.14 0.03 7.87 0.01 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 0.30 0.07 0.07 0.03 0.00 0.00 0.00 0.00 02:30:13 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:30:13 ens3 0.77 0.22 4.07 0.05 0.00 0.00 0.00 0.00 02:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:13 ens3 6.29 3.77 4.14 3.38 0.00 0.00 0.00 0.00 02:50:13 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:50:13 ens3 42.39 27.23 278.91 10.25 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 8.66 5.24 49.17 2.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3342) 08/08/26 _x86_64_ (2 CPU) 01:44:58 LINUX RESTART (2 CPU) 01:50:13 CPU %user %nice %system %iowait %steal %idle 02:00:23 all 0.22 0.00 0.16 0.01 0.04 99.57 02:00:23 0 0.07 0.00 0.16 0.02 0.04 99.71 02:00:23 1 0.37 0.00 0.17 0.00 0.04 99.42 02:10:03 all 0.28 0.00 0.08 0.10 0.03 99.51 02:10:03 0 0.06 0.00 0.10 0.20 0.04 99.61 02:10:03 1 0.51 0.00 0.06 0.00 0.03 99.40 02:20:03 all 0.27 0.00 0.08 0.01 0.04 99.61 02:20:03 0 0.21 0.00 0.07 0.02 0.04 99.66 02:20:03 1 0.33 0.00 0.08 0.00 0.04 99.55 02:30:13 all 0.38 0.00 0.20 0.06 0.04 99.33 02:30:13 0 0.44 0.00 0.19 0.06 0.03 99.28 02:30:13 1 0.32 0.00 0.21 0.05 0.04 99.38 02:40:13 all 0.41 0.00 0.09 0.01 0.04 99.45 02:40:13 0 0.20 0.00 0.08 0.01 0.04 99.67 02:40:13 1 0.62 0.00 0.11 0.02 0.03 99.22 02:50:13 all 6.57 0.00 0.99 0.33 0.05 92.07 02:50:13 0 4.91 0.00 0.86 0.50 0.05 93.68 02:50:13 1 8.22 0.00 1.13 0.16 0.05 90.45 Average: all 1.36 0.00 0.27 0.09 0.04 98.25 Average: 0 0.98 0.00 0.24 0.13 0.04 98.60 Average: 1 1.73 0.00 0.29 0.04 0.04 97.90