---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3350 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 775 5184 4 2274 7166 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:77:6b:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.95/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82068sec preferred_lft 82068sec inet6 fe80::f816:3eff:fe77:6b86/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3350) 08/08/26 _x86_64_ (2 CPU) 01:45:06 LINUX RESTART (2 CPU) 01:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 1.54 0.03 1.49 0.02 1.25 18.80 216.82 02:10:09 14.51 0.01 1.42 13.08 0.20 17.08 107576.87 02:20:03 1.37 0.00 1.36 0.02 0.01 16.17 23.28 02:30:01 2.48 0.71 1.72 0.05 95.50 78.19 287.33 02:40:03 1.40 0.00 1.39 0.02 0.00 16.72 22.99 02:50:01 20.87 1.59 18.35 0.93 115.18 2205.45 208.64 Average: 7.05 0.39 4.28 2.38 35.25 390.76 18319.07 01:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 6297140 7543176 278132 3.42 30964 1420828 525236 5.72 436940 1183912 124 02:10:09 6296636 7543336 277884 3.42 31216 1421236 524232 5.71 436944 1184536 228 02:20:03 6306896 7554108 267112 3.28 31420 1421532 524388 5.71 437120 1185044 204 02:30:01 6256548 7533392 287140 3.53 31896 1450268 524588 5.71 448076 1203628 124 02:40:03 6263356 7540872 279684 3.44 32104 1450732 525228 5.72 456908 1204168 280 02:50:01 5446948 7387748 392852 4.83 72088 2039832 643592 7.01 601332 1816552 47592 Average: 6144587 7517105 297134 3.65 38281 1534071 544544 5.93 469553 1296307 8092 01:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 1.04 0.09 0.14 0.06 0.00 0.00 0.00 0.00 02:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 1.09 0.05 7.51 0.01 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 0.30 0.07 0.07 0.03 0.00 0.00 0.00 0.00 02:30:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.84 0.27 4.16 0.05 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 6.25 3.85 4.13 3.27 0.00 0.00 0.00 0.00 02:50:01 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:50:01 ens3 38.12 25.02 279.76 10.26 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.92 4.88 49.15 2.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3350) 08/08/26 _x86_64_ (2 CPU) 01:45:06 LINUX RESTART (2 CPU) 01:50:03 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 0.26 0.00 0.18 0.01 0.04 99.51 02:00:00 0 0.22 0.00 0.18 0.00 0.04 99.55 02:00:00 1 0.29 0.00 0.18 0.02 0.03 99.48 02:10:09 all 0.26 0.00 0.10 0.03 0.03 99.58 02:10:09 0 0.47 0.00 0.09 0.05 0.03 99.36 02:10:09 1 0.05 0.00 0.10 0.02 0.04 99.80 02:20:03 all 0.24 0.00 0.07 0.10 0.03 99.56 02:20:03 0 0.43 0.00 0.07 0.05 0.02 99.42 02:20:03 1 0.05 0.00 0.08 0.14 0.04 99.69 02:30:01 all 0.38 0.00 0.22 0.06 0.03 99.30 02:30:01 0 0.47 0.00 0.20 0.05 0.02 99.25 02:30:01 1 0.29 0.00 0.24 0.07 0.04 99.36 02:40:03 all 0.41 0.00 0.11 0.02 0.03 99.42 02:40:03 0 0.34 0.00 0.12 0.01 0.04 99.49 02:40:03 1 0.48 0.00 0.10 0.03 0.03 99.36 02:50:01 all 6.55 0.00 0.98 0.55 0.04 91.87 02:50:01 0 6.03 0.00 0.99 0.71 0.05 92.22 02:50:01 1 7.07 0.00 0.97 0.40 0.04 91.52 Average: all 1.35 0.00 0.28 0.13 0.03 98.21 Average: 0 1.33 0.00 0.28 0.14 0.03 98.22 Average: 1 1.37 0.00 0.28 0.11 0.04 98.21