---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2504 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 757 5200 4 2277 7184 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:d9:fd:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81427sec preferred_lft 81427sec inet6 fe80::f816:3eff:fed9:fd4e/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-2504) 08/06/26 _x86_64_ (2 CPU) 01:56:06 LINUX RESTART (2 CPU) 02:00:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:17 1.47 0.03 1.44 0.01 1.24 16.63 0.41 02:20:01 1.41 0.01 1.39 0.02 0.07 16.19 0.56 02:30:27 15.16 0.68 1.74 12.74 90.37 74.87 104801.39 02:40:27 1.48 0.01 1.45 0.02 1.05 16.73 0.65 02:50:01 1.39 0.00 1.37 0.02 0.00 15.84 0.70 03:00:27 1.59 0.00 1.56 0.03 0.00 18.39 199.37 03:10:13 15.13 1.41 13.18 0.54 106.54 1216.73 197.50 Average: 5.42 0.30 3.13 1.99 28.70 193.05 15691.84 02:00:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:17 6287824 7533480 287704 3.54 30960 1420640 526124 5.73 441028 1183820 128 02:20:01 6289356 7535540 285640 3.51 31184 1420940 526180 5.73 441156 1184344 240 02:30:27 6264688 7540268 280064 3.44 31680 1449428 711584 7.75 458920 1202984 168 02:40:27 6275484 7551924 268472 3.30 31896 1450060 526864 5.74 455608 1203520 128 02:50:01 6273484 7550544 269832 3.32 32096 1450488 526928 5.74 455780 1204008 268 03:00:27 6264948 7542612 277732 3.42 32316 1450848 526936 5.74 455844 1204600 184 03:10:13 5600000 7447628 335500 4.13 68236 1953140 550152 5.99 509176 1727692 240236 Average: 6179398 7528857 286421 3.52 36910 1513649 556395 6.06 459645 1272995 34479 02:00:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:17 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 02:10:17 ens3 0.60 0.04 0.07 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.44 0.06 0.08 0.04 0.00 0.00 0.00 0.00 02:30:27 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:30:27 ens3 0.52 0.24 3.11 0.03 0.00 0.00 0.00 0.00 02:40:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:27 ens3 6.26 3.74 4.12 3.27 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.56 0.12 0.16 0.08 0.00 0.00 0.00 0.00 03:00:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:27 ens3 0.30 0.06 0.08 0.04 0.00 0.00 0.00 0.00 03:10:13 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 03:10:13 ens3 28.80 19.50 210.71 9.41 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 5.26 3.33 30.54 1.81 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2504) 08/06/26 _x86_64_ (2 CPU) 01:56:06 LINUX RESTART (2 CPU) 02:00:17 CPU %user %nice %system %iowait %steal %idle 02:10:17 all 0.24 0.00 0.10 0.14 0.66 98.86 02:10:17 0 0.25 0.00 0.09 0.27 0.69 98.70 02:10:17 1 0.22 0.00 0.12 0.01 0.63 99.02 02:20:01 all 0.27 0.00 0.09 0.01 0.02 99.61 02:20:01 0 0.23 0.00 0.09 0.01 0.02 99.65 02:20:01 1 0.31 0.00 0.09 0.01 0.02 99.57 02:30:27 all 0.37 0.00 0.21 0.04 0.01 99.37 02:30:27 0 0.35 0.00 0.18 0.03 0.01 99.43 02:30:27 1 0.39 0.00 0.24 0.05 0.01 99.30 02:40:27 all 0.44 0.00 0.10 0.03 0.02 99.42 02:40:27 0 0.63 0.00 0.08 0.05 0.01 99.23 02:40:27 1 0.25 0.00 0.13 0.00 0.02 99.60 02:50:01 all 0.24 0.00 0.09 0.01 0.02 99.64 02:50:01 0 0.42 0.00 0.06 0.03 0.01 99.49 02:50:01 1 0.07 0.00 0.12 0.00 0.02 99.79 03:00:27 all 0.28 0.00 0.17 0.01 0.02 99.51 03:00:27 0 0.10 0.00 0.18 0.02 0.03 99.68 03:00:27 1 0.47 0.00 0.16 0.00 0.02 99.35 03:10:13 all 5.33 0.00 0.83 0.30 0.04 93.50 03:10:13 0 3.72 0.00 0.68 0.37 0.04 95.19 03:10:13 1 6.94 0.00 0.98 0.23 0.04 91.81 Average: all 1.01 0.00 0.23 0.08 0.11 98.58 Average: 0 0.80 0.00 0.19 0.11 0.12 98.78 Average: 1 1.21 0.00 0.26 0.04 0.11 98.37