---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3344 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 8.1G 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 765 5011 4 2466 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:f9:f5:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82012sec preferred_lft 82012sec inet6 fe80::f816:3eff:fef9:f565/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3344) 08/08/26 _x86_64_ (2 CPU) 01:44:52 LINUX RESTART (2 CPU) 01:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:16 1.60 0.03 1.55 0.02 2.27 18.98 0.66 02:10:36 1.26 0.00 1.24 0.02 0.00 15.86 1.68 02:20:06 1.23 0.00 1.21 0.02 0.01 14.99 1.59 02:30:26 14.26 0.00 1.40 12.85 0.14 17.51 105539.23 02:40:36 1.22 0.00 1.21 0.02 0.00 15.16 1.88 02:50:26 20.23 1.61 17.59 1.03 116.69 2380.59 195.74 Average: 6.62 0.27 3.97 2.38 19.42 401.68 18110.27 01:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:16 6283872 7559432 260344 3.20 31256 1450188 529236 5.76 449540 1201900 124 02:10:36 6272644 7548728 270816 3.33 31456 1450520 576852 6.28 456196 1202420 132 02:20:06 6280456 7557084 262532 3.23 31656 1450844 529400 5.77 450564 1202956 228 02:30:26 6269932 7547272 272232 3.35 31856 1451344 529432 5.77 450940 1203500 120 02:40:36 6277016 7554912 264568 3.25 32084 1451672 530020 5.77 452120 1204048 172 02:50:26 5490388 7431836 347384 4.27 72056 2040784 601012 6.55 558076 1816436 3924 Average: 6145718 7533211 279646 3.44 38394 1549225 549325 5.98 469573 1305210 783 01:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:16 ens3 1.04 0.11 0.14 0.06 0.00 0.00 0.00 0.00 02:10:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:36 ens3 1.12 0.06 7.38 0.02 0.00 0.00 0.00 0.00 02:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:06 ens3 0.27 0.07 0.07 0.03 0.00 0.00 0.00 0.00 02:30:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:26 ens3 0.58 0.07 0.91 0.03 0.00 0.00 0.00 0.00 02:40:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:36 ens3 6.20 3.69 4.08 3.18 0.00 0.00 0.00 0.00 02:50:26 lo 1.16 1.16 0.06 0.06 0.00 0.00 0.00 0.00 02:50:26 ens3 44.73 27.16 284.04 10.58 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 8.84 5.10 48.42 2.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3344) 08/08/26 _x86_64_ (2 CPU) 01:44:52 LINUX RESTART (2 CPU) 01:50:06 CPU %user %nice %system %iowait %steal %idle 02:00:16 all 0.29 0.00 0.17 0.01 0.04 99.49 02:00:16 0 0.39 0.00 0.18 0.02 0.03 99.38 02:00:16 1 0.18 0.00 0.17 0.01 0.04 99.60 02:10:36 all 0.29 0.00 0.08 0.03 0.03 99.57 02:10:36 0 0.51 0.00 0.08 0.05 0.03 99.33 02:10:36 1 0.06 0.00 0.09 0.00 0.04 99.80 02:20:06 all 0.24 0.00 0.08 0.01 0.03 99.64 02:20:06 0 0.34 0.00 0.07 0.01 0.03 99.55 02:20:06 1 0.14 0.00 0.09 0.00 0.04 99.74 02:30:26 all 0.25 0.00 0.16 0.03 0.04 99.51 02:30:26 0 0.17 0.00 0.18 0.05 0.04 99.56 02:30:26 1 0.33 0.00 0.15 0.02 0.03 99.47 02:40:36 all 0.38 0.00 0.09 0.01 0.04 99.48 02:40:36 0 0.31 0.00 0.10 0.01 0.04 99.53 02:40:36 1 0.45 0.00 0.09 0.01 0.03 99.42 02:50:26 all 6.55 0.00 1.01 0.34 0.04 92.05 02:50:26 0 7.21 0.00 1.13 0.18 0.05 91.44 02:50:26 1 5.90 0.00 0.88 0.50 0.04 92.67 Average: all 1.31 0.00 0.26 0.07 0.04 98.32 Average: 0 1.46 0.00 0.28 0.05 0.04 98.16 Average: 1 1.16 0.00 0.24 0.09 0.04 98.48