---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2216 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 8.0G 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 740 5224 4 2269 7201 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:1c:4b:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.65/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82231sec preferred_lft 82231sec inet6 fe80::f816:3eff:fe1c:4b13/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2216) 08/05/26 _x86_64_ (2 CPU) 01:46:57 LINUX RESTART (2 CPU) 01:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:22 1.66 0.02 1.62 0.01 1.20 19.01 619.53 02:10:39 1.44 0.01 1.42 0.01 0.05 16.27 0.62 02:20:12 15.37 0.01 1.48 13.89 0.17 16.81 114217.36 02:30:32 2.43 0.69 1.71 0.03 92.12 75.33 255.66 02:40:02 1.20 0.00 1.18 0.02 0.00 14.39 0.84 02:50:32 18.33 1.51 15.55 1.26 109.23 2346.91 274.75 Average: 6.74 0.39 3.93 2.42 34.93 431.10 18225.18 01:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:22 6313432 7552368 269504 3.31 30644 1414496 527768 5.75 439000 1179492 160 02:10:39 6305372 7544856 277000 3.41 30852 1414824 532028 5.79 444784 1180028 124 02:20:12 6311992 7552068 269692 3.32 31056 1415196 532028 5.79 444576 1180576 156 02:30:32 6271676 7541440 279628 3.44 31560 1443964 532156 5.80 455800 1199156 128 02:40:02 6279416 7549824 271268 3.34 31744 1444420 532672 5.80 456836 1199668 216 02:50:32 5393128 7370464 410568 5.05 72764 2076140 683648 7.45 619912 1855696 56448 Average: 6145836 7518503 296277 3.64 38103 1534840 556717 6.06 476818 1299103 9539 01:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:22 ens3 0.61 0.05 0.06 0.01 0.00 0.00 0.00 0.00 02:10:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:39 ens3 1.21 0.14 4.55 0.10 0.00 0.00 0.00 0.00 02:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 0.43 0.10 0.14 0.08 0.00 0.00 0.00 0.00 02:30:32 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:30:32 ens3 0.70 0.35 3.34 0.54 0.00 0.00 0.00 0.00 02:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:02 ens3 6.56 3.91 4.43 2.98 0.00 0.00 0.00 0.00 02:50:32 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:50:32 ens3 31.57 22.61 265.08 9.90 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 7.01 4.64 48.08 2.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2216) 08/05/26 _x86_64_ (2 CPU) 01:46:57 LINUX RESTART (2 CPU) 01:50:02 CPU %user %nice %system %iowait %steal %idle 02:00:22 all 0.30 0.00 0.18 0.05 0.03 99.44 02:00:22 0 0.12 0.00 0.20 0.06 0.03 99.59 02:00:22 1 0.49 0.00 0.15 0.03 0.03 99.29 02:10:39 all 0.29 0.00 0.08 0.03 0.03 99.57 02:10:39 0 0.37 0.00 0.07 0.05 0.03 99.48 02:10:39 1 0.22 0.00 0.08 0.01 0.03 99.67 02:20:12 all 0.25 0.00 0.09 0.07 0.03 99.57 02:20:12 0 0.08 0.00 0.12 0.12 0.03 99.66 02:20:12 1 0.42 0.00 0.06 0.02 0.02 99.47 02:30:32 all 0.37 0.00 0.20 0.06 0.02 99.34 02:30:32 0 0.41 0.00 0.20 0.07 0.02 99.29 02:30:32 1 0.33 0.00 0.20 0.05 0.02 99.39 02:40:02 all 0.40 0.00 0.10 0.65 0.03 98.81 02:40:02 0 0.18 0.00 0.13 0.02 0.03 99.64 02:40:02 1 0.62 0.00 0.08 1.29 0.03 97.98 02:50:32 all 6.96 0.00 1.02 1.98 0.04 90.00 02:50:32 0 5.03 0.00 0.95 1.68 0.04 92.30 02:50:32 1 8.89 0.00 1.09 2.29 0.04 87.69 Average: all 1.47 0.00 0.28 0.48 0.03 97.73 Average: 0 1.06 0.00 0.29 0.34 0.03 98.28 Average: 1 1.88 0.00 0.28 0.62 0.03 97.18