---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36050 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 755 5208 4 2270 7186 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:94:d1:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82161sec preferred_lft 82161sec inet6 fe80::f816:3eff:fe94:d109/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-36050) 08/12/26 _x86_64_ (2 CPU) 01:03:31 LINUX RESTART (2 CPU) 01:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 14.47 0.01 1.16 13.30 0.21 14.56 109593.36 01:30:04 2.31 0.71 1.56 0.04 94.67 76.42 696.58 01:40:04 1.15 0.00 1.13 0.02 0.00 14.31 23.07 01:50:01 1.19 0.00 1.17 0.02 0.00 14.30 20.94 02:00:04 1.43 0.00 1.40 0.03 0.00 17.06 226.99 02:10:04 16.23 1.58 13.70 0.95 114.56 2225.28 233.45 Average: 6.12 0.38 3.35 2.38 34.99 393.67 18377.32 01:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6312020 7558964 262420 3.23 31020 1421696 520560 5.67 444480 1184300 184 01:30:04 6246624 7523292 297332 3.66 31504 1450500 520560 5.67 455408 1202960 172 01:40:04 6246624 7523852 296764 3.65 31720 1450836 520632 5.67 455632 1203508 236 01:50:01 6246624 7524368 296244 3.64 31912 1451152 520892 5.67 456100 1204020 236 02:00:04 6250188 7528604 291996 3.59 32116 1451612 520892 5.67 456376 1204556 188 02:10:04 5415816 7354172 426720 5.25 71692 2038012 649008 7.07 612468 1813868 45632 Average: 6119649 7502209 311913 3.84 38327 1543968 542091 5.90 480077 1302202 7775 01:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.43 0.12 0.19 0.07 0.00 0.00 0.00 0.00 01:30:04 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 1.42 0.58 6.05 0.09 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 0.37 0.06 0.12 0.04 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 0.43 0.23 0.10 0.68 0.00 0.00 0.00 0.00 02:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:04 ens3 0.18 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:10:04 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:10:04 ens3 34.79 23.99 277.70 5.82 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 6.44 4.17 47.36 1.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-36050) 08/12/26 _x86_64_ (2 CPU) 01:03:31 LINUX RESTART (2 CPU) 01:10:04 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.25 0.00 0.09 0.03 0.02 99.61 01:20:01 0 0.08 0.00 0.10 0.04 0.03 99.75 01:20:01 1 0.42 0.00 0.08 0.01 0.02 99.46 01:30:04 all 0.41 0.00 0.22 0.02 0.02 99.33 01:30:04 0 0.31 0.00 0.27 0.05 0.03 99.33 01:30:04 1 0.50 0.00 0.16 0.00 0.01 99.32 01:40:04 all 0.25 0.00 0.08 0.01 0.02 99.64 01:40:04 0 0.07 0.00 0.10 0.02 0.03 99.79 01:40:04 1 0.44 0.00 0.06 0.00 0.02 99.48 01:50:01 all 0.26 0.00 0.07 0.01 0.02 99.64 01:50:01 0 0.07 0.00 0.08 0.01 0.03 99.82 01:50:01 1 0.46 0.00 0.06 0.01 0.02 99.45 02:00:04 all 0.28 0.00 0.16 0.01 0.02 99.53 02:00:04 0 0.05 0.00 0.15 0.01 0.02 99.76 02:00:04 1 0.50 0.00 0.17 0.01 0.02 99.31 02:10:04 all 6.24 0.00 0.92 0.31 0.03 92.49 02:10:04 0 4.15 0.00 0.76 0.25 0.04 94.81 02:10:04 1 8.33 0.00 1.09 0.37 0.03 90.18 Average: all 1.28 0.00 0.26 0.06 0.02 98.37 Average: 0 0.79 0.00 0.24 0.06 0.03 98.88 Average: 1 1.78 0.00 0.27 0.07 0.02 97.87