---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-39981 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 12G 143G 8% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 921 24618 4 6552 30702 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:97:13:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.249/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83820sec preferred_lft 83820sec inet6 fe80::f816:3eff:fe97:13a6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:94:4e:4a:4c:17 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-39981) 08/22/26 _x86_64_ (8 CPU) 09:30:35 LINUX RESTART (8 CPU) 09:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:01 28.51 0.13 24.96 3.42 6.25 2924.12 6392.05 10:00:24 48.59 0.02 29.71 18.86 0.96 2923.29 498479.31 10:10:01 31.24 0.17 27.77 3.30 11.10 7389.14 12450.41 Average: 36.34 0.10 27.51 8.73 5.97 4354.34 178737.38 09:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:01 25530988 29316864 2990760 9.10 174488 3823976 3057220 9.02 752300 6122244 19108 10:00:24 24577588 28972024 3330276 10.13 214344 4339428 3516376 10.37 912052 6851364 46948 10:10:01 25417008 31633116 662008 2.01 236840 6067144 1246556 3.68 1554072 5256204 36 Average: 25175195 29974001 2327681 7.08 208557 4743516 2606717 7.69 1072808 6076604 22031 09:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:01 lo 1397.38 1397.38 1330.35 1330.35 0.00 0.00 0.00 0.00 09:50:01 ens3 46.11 35.38 19.09 12.45 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:24 lo 1974.42 1974.42 1881.23 1881.23 0.00 0.00 0.00 0.00 10:00:24 ens3 44.58 32.30 12.99 11.22 0.00 0.00 0.00 0.00 10:00:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 lo 1052.69 1052.69 993.94 993.94 0.00 0.00 0.00 0.00 10:10:01 ens3 84.51 76.49 240.04 190.08 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1486.77 1486.77 1413.34 1413.34 0.00 0.00 0.00 0.00 Average: ens3 57.88 47.49 87.76 68.93 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-39981) 08/22/26 _x86_64_ (8 CPU) 09:30:35 LINUX RESTART (8 CPU) 09:40:01 CPU %user %nice %system %iowait %steal %idle 09:50:01 all 39.53 0.00 1.67 0.16 0.08 58.57 09:50:01 0 36.89 0.00 1.49 0.16 0.08 61.39 09:50:01 1 37.69 0.00 1.84 0.40 0.09 59.98 09:50:01 2 42.69 0.00 1.58 0.10 0.08 55.55 09:50:01 3 40.84 0.00 1.51 0.07 0.09 57.48 09:50:01 4 38.26 0.00 1.62 0.07 0.08 59.96 09:50:01 5 42.35 0.00 1.80 0.09 0.09 55.68 09:50:01 6 36.95 0.00 1.89 0.16 0.08 60.91 09:50:01 7 40.53 0.00 1.60 0.21 0.08 57.58 10:00:24 all 36.60 0.00 1.80 0.19 0.08 61.33 10:00:24 0 32.06 0.00 1.76 0.19 0.08 65.91 10:00:24 1 39.57 0.00 1.87 0.14 0.08 58.35 10:00:24 2 40.15 0.00 1.87 0.17 0.08 57.74 10:00:24 3 34.11 0.00 1.77 0.35 0.08 63.70 10:00:24 4 37.45 0.00 1.93 0.11 0.08 60.42 10:00:24 5 38.16 0.00 1.89 0.25 0.07 59.62 10:00:24 6 33.30 0.00 1.63 0.25 0.07 64.75 10:00:24 7 37.99 0.00 1.71 0.08 0.08 60.14 10:10:01 all 27.40 0.00 1.36 0.38 0.06 70.80 10:10:01 0 23.12 0.00 1.27 0.08 0.07 75.46 10:10:01 1 28.18 0.00 1.34 0.61 0.06 69.81 10:10:01 2 29.70 0.00 1.41 0.27 0.06 68.55 10:10:01 3 27.39 0.00 1.41 0.31 0.06 70.83 10:10:01 4 26.40 0.00 1.66 0.96 0.06 70.93 10:10:01 5 32.56 0.00 1.38 0.19 0.07 65.79 10:10:01 6 26.28 0.00 1.20 0.32 0.06 72.14 10:10:01 7 25.59 0.00 1.21 0.26 0.06 72.88 Average: all 34.63 0.00 1.62 0.24 0.07 63.44 Average: 0 30.80 0.00 1.51 0.14 0.08 67.47 Average: 1 35.30 0.00 1.69 0.38 0.08 62.56 Average: 2 37.65 0.00 1.62 0.18 0.07 60.48 Average: 3 34.20 0.00 1.57 0.24 0.08 63.91 Average: 4 34.18 0.00 1.74 0.37 0.07 63.64 Average: 5 37.76 0.00 1.70 0.18 0.08 60.28 Average: 6 32.27 0.00 1.58 0.24 0.07 65.84 Average: 7 34.87 0.00 1.51 0.18 0.07 63.37