---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2191 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 8.0G 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 748 5202 4 2283 7193 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:23:fe:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81061sec preferred_lft 81061sec inet6 fe80::f816:3eff:fe23:fe88/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2191) 08/05/26 _x86_64_ (2 CPU) 00:41:52 LINUX RESTART (2 CPU) 00:50:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.24 0.01 1.21 0.02 1.14 16.81 214.15 01:10:24 0.95 0.00 0.94 0.02 0.00 13.49 0.13 01:20:29 14.04 0.00 0.89 13.15 0.16 13.46 108076.12 01:30:01 1.01 0.00 0.98 0.03 0.00 14.93 217.49 01:40:20 17.34 1.53 14.82 0.99 109.66 2279.82 185.81 01:50:24 11.56 1.40 8.84 1.32 114.31 1142.08 437.96 02:00:01 1.19 0.00 1.16 0.03 0.00 17.58 0.29 02:10:11 4.47 0.08 3.21 1.19 5.95 140.35 1445.79 Average: 6.58 0.38 4.08 2.12 29.48 465.65 13971.93 00:50:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6267632 7552116 268240 3.30 31384 1458348 527908 5.75 459656 1205812 148 01:10:24 6267016 7552048 268300 3.30 31592 1458684 527912 5.75 459668 1206356 40 01:20:29 6265620 7551252 269068 3.31 31808 1459060 529848 5.77 462288 1206920 68 01:30:01 6255816 7542132 278076 3.42 32008 1459520 529944 5.77 462632 1207452 124 01:40:20 5487320 7436048 344068 4.23 71916 2047748 589620 6.42 557340 1819324 3732 01:50:24 5177040 7397008 369344 4.54 88568 2290836 674168 7.34 604440 2049932 44 02:00:01 5182476 7402968 363516 4.47 88712 2291212 626848 6.83 598684 2050456 160 02:10:11 5388464 7419620 356260 4.38 90556 2108416 593972 6.47 592904 1867996 23564 Average: 5786423 7481649 314609 3.87 58318 1821728 575028 6.26 524702 1576781 3485 00:50:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.50 0.05 0.06 0.01 0.00 0.00 0.00 0.00 01:10:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:24 ens3 0.40 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:29 ens3 0.50 0.11 0.15 0.08 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.27 0.06 0.08 0.04 0.00 0.00 0.00 0.00 01:40:20 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:40:20 ens3 40.34 25.94 270.15 6.44 0.00 0.00 0.00 0.00 01:50:24 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:50:24 ens3 28.39 19.44 39.22 5.17 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.86 0.29 0.12 0.05 0.00 0.00 0.00 0.00 02:10:11 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 02:10:11 ens3 7.80 4.68 8.75 2.58 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.09 6.46 41.02 1.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2191) 08/05/26 _x86_64_ (2 CPU) 00:41:52 LINUX RESTART (2 CPU) 00:50:20 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.18 0.01 0.02 99.50 01:00:01 0 0.35 0.00 0.18 0.01 0.02 99.44 01:00:01 1 0.23 0.00 0.17 0.01 0.02 99.56 01:10:24 all 0.24 0.00 0.08 0.01 0.02 99.65 01:10:24 0 0.41 0.00 0.06 0.01 0.01 99.50 01:10:24 1 0.07 0.00 0.10 0.00 0.03 99.79 01:20:29 all 0.32 0.00 0.08 0.03 0.03 99.54 01:20:29 0 0.38 0.00 0.06 0.02 0.02 99.52 01:20:29 1 0.25 0.00 0.11 0.04 0.03 99.57 01:30:01 all 0.27 0.00 0.16 0.01 0.03 99.53 01:30:01 0 0.14 0.00 0.18 0.01 0.03 99.64 01:30:01 1 0.40 0.00 0.14 0.01 0.02 99.43 01:40:20 all 6.16 0.00 0.98 0.33 0.04 92.50 01:40:20 0 7.26 0.00 0.98 0.41 0.04 91.32 01:40:20 1 5.06 0.00 0.97 0.26 0.04 93.67 01:50:24 all 5.88 0.00 0.93 0.20 0.07 92.93 01:50:24 0 6.96 0.00 1.06 0.31 0.08 91.60 01:50:24 1 4.80 0.00 0.80 0.09 0.06 94.26 02:00:01 all 0.42 0.00 0.23 0.01 0.07 99.28 02:00:01 0 0.42 0.00 0.24 0.00 0.06 99.28 02:00:01 1 0.41 0.00 0.22 0.01 0.07 99.28 02:10:11 all 2.69 0.00 0.39 0.06 0.05 96.80 02:10:11 0 3.97 0.00 0.43 0.07 0.03 95.49 02:10:11 1 1.41 0.00 0.35 0.04 0.08 98.11 Average: all 2.07 0.00 0.38 0.08 0.04 97.43 Average: 0 2.53 0.00 0.40 0.11 0.04 96.92 Average: 1 1.60 0.00 0.36 0.06 0.04 97.93