---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3900 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 7.9G 30G 21% / 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 766 5216 4 2257 7175 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:10:4f:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82213sec preferred_lft 82213sec inet6 fe80::f816:3eff:fe10:4f55/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3900) 08/10/26 _x86_64_ (2 CPU) 00:42:21 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 1.36 0.01 1.33 0.02 0.05 17.09 214.52 01:10:05 1.18 0.00 1.18 0.00 0.00 14.52 0.00 01:20:01 2.26 0.72 1.53 0.02 95.89 75.88 58.96 01:30:05 1.37 0.00 1.35 0.02 0.00 17.00 205.73 01:40:05 1.20 0.00 1.20 0.00 0.00 14.87 0.00 01:50:01 27.47 15.02 11.60 0.86 255.01 1619.62 190.29 Average: 5.78 2.61 3.02 0.15 58.10 291.34 111.78 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 6296796 7542804 277956 3.42 31072 1420668 530140 5.77 441252 1184140 188 01:10:05 6303028 7549544 271272 3.34 31240 1421000 530144 5.77 441336 1184640 188 01:20:01 6245784 7521908 298280 3.67 31704 1449744 530396 5.78 452600 1203220 244 01:30:05 6244612 7521244 298920 3.68 31868 1450076 530400 5.78 452656 1203712 260 01:40:05 6244612 7521876 298216 3.67 32036 1450532 532172 5.80 456192 1204208 232 01:50:01 5293468 7325260 446680 5.49 73404 2121788 699456 7.62 651728 1901228 264956 Average: 6104717 7497106 315221 3.88 38554 1552301 558785 6.09 482627 1313525 44345 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.51 0.04 0.06 0.01 0.00 0.00 0.00 0.00 01:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 0.36 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.99 0.56 3.51 0.09 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.49 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 0.55 0.27 0.13 0.57 0.00 0.00 0.00 0.00 01:50:01 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 01:50:01 ens3 43.91 25.57 280.20 5.98 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.75 4.40 47.04 1.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3900) 08/10/26 _x86_64_ (2 CPU) 00:42:21 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 0.28 0.00 0.17 0.01 0.02 99.52 01:00:05 0 0.38 0.00 0.16 0.01 0.02 99.42 01:00:05 1 0.18 0.00 0.18 0.00 0.02 99.61 01:10:05 all 0.22 0.00 0.08 0.01 0.02 99.67 01:10:05 0 0.40 0.00 0.07 0.02 0.02 99.50 01:10:05 1 0.05 0.00 0.09 0.00 0.03 99.83 01:20:01 all 0.42 0.00 0.11 0.03 0.02 99.42 01:20:01 0 0.44 0.00 0.10 0.05 0.02 99.39 01:20:01 1 0.40 0.00 0.12 0.01 0.02 99.45 01:30:05 all 0.29 0.00 0.16 0.02 0.02 99.51 01:30:05 0 0.08 0.00 0.19 0.00 0.03 99.70 01:30:05 1 0.50 0.00 0.14 0.03 0.02 99.32 01:40:05 all 0.27 0.00 0.07 0.01 0.02 99.63 01:40:05 0 0.33 0.00 0.06 0.00 0.01 99.60 01:40:05 1 0.21 0.00 0.09 0.02 0.03 99.66 01:50:01 all 5.71 0.18 0.96 0.45 0.03 92.68 01:50:01 0 2.48 0.31 0.80 0.61 0.03 95.78 01:50:01 1 8.93 0.05 1.12 0.29 0.03 89.58 Average: all 1.19 0.03 0.26 0.09 0.02 98.41 Average: 0 0.68 0.05 0.23 0.11 0.02 98.90 Average: 1 1.70 0.01 0.29 0.06 0.03 97.92