---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34153 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 741 5222 4 2270 7200 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:8b:4b:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82220sec preferred_lft 82220sec inet6 fe80::f816:3eff:fe8b:4b7c/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-34153) 08/11/26 _x86_64_ (2 CPU) 01:55:59 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 14.48 0.03 1.20 13.25 1.39 15.24 109062.76 02:20:00 2.12 0.72 1.38 0.02 94.40 74.16 77.05 02:30:00 1.42 0.00 1.37 0.04 1.05 17.65 230.08 02:40:00 1.13 0.00 1.11 0.02 0.00 13.94 20.85 02:50:01 1.19 0.00 1.17 0.02 0.00 14.51 23.05 03:00:00 13.88 1.41 11.67 0.80 104.61 1516.38 907.67 Average: 5.70 0.36 2.98 2.36 33.52 274.93 18392.33 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6288144 7534596 286848 3.53 30944 1421276 521688 5.68 445072 1184100 196 02:20:00 6230912 7506660 314060 3.86 31428 1449688 715608 7.79 461952 1202684 200 02:30:00 6250236 7526868 293920 3.61 31660 1450324 521944 5.69 456192 1203240 132 02:40:00 6258048 7535336 285472 3.51 31864 1450776 522596 5.69 457728 1203760 136 02:50:01 6263876 7541720 279048 3.43 32072 1451140 522592 5.69 457764 1204308 296 03:00:00 5456592 7357976 424952 5.23 68952 2005396 662676 7.22 615920 1780444 232660 Average: 6124635 7500526 314050 3.86 37820 1538100 577851 6.29 482438 1296423 38937 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.75 0.06 0.10 0.04 0.00 0.00 0.00 0.00 02:20:00 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.82 0.29 4.05 0.07 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.65 0.04 1.03 0.01 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 6.57 3.71 4.17 3.38 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 0.57 0.13 0.19 0.11 0.00 0.00 0.00 0.00 03:00:00 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 03:00:00 ens3 33.09 22.83 218.42 9.75 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 7.07 4.51 37.94 2.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-34153) 08/11/26 _x86_64_ (2 CPU) 01:55:59 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.31 0.00 0.10 0.04 0.02 99.53 02:10:01 0 0.12 0.00 0.13 0.06 0.03 99.66 02:10:01 1 0.50 0.00 0.07 0.02 0.02 99.39 02:20:00 all 0.37 0.00 0.13 0.06 0.02 99.42 02:20:00 0 0.34 0.00 0.16 0.07 0.02 99.41 02:20:00 1 0.40 0.00 0.09 0.06 0.02 99.43 02:30:00 all 0.28 0.00 0.18 0.90 0.02 98.62 02:30:00 0 0.08 0.00 0.21 0.22 0.02 99.48 02:30:00 1 0.48 0.00 0.16 1.58 0.02 97.76 02:40:00 all 0.40 0.00 0.12 0.06 0.02 99.40 02:40:00 0 0.25 0.00 0.14 0.03 0.03 99.55 02:40:00 1 0.56 0.00 0.09 0.08 0.02 99.25 02:50:01 all 0.26 0.00 0.09 0.07 0.02 99.56 02:50:01 0 0.07 0.00 0.10 0.01 0.03 99.79 02:50:01 1 0.46 0.00 0.07 0.13 0.02 99.32 03:00:00 all 6.04 0.00 1.04 2.04 0.04 90.85 03:00:00 0 4.41 0.00 1.00 1.07 0.04 93.48 03:00:00 1 7.68 0.00 1.07 3.00 0.04 88.21 Average: all 1.28 0.00 0.28 0.53 0.02 97.90 Average: 0 0.88 0.00 0.29 0.24 0.03 98.56 Average: 1 1.68 0.00 0.26 0.81 0.02 97.23