---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-19896 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 11G 145G 7% / 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 737 26297 4 5056 30886 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:2e:a7:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84753sec preferred_lft 84753sec inet6 fe80::f816:3eff:fe2e:a706/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:18:56:01:4b:a9 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 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-19896) 05/25/26 _x86_64_ (8 CPU) 11:22:40 LINUX RESTART (8 CPU) 11:30:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:00 1.50 0.01 1.48 0.01 0.04 18.23 1.76 11:50:00 71.96 3.94 65.55 2.46 243.93 12331.07 9281.50 Average: 37.23 2.00 33.98 1.25 123.75 6263.51 4708.59 11:30:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:00 29982104 31853876 528128 1.61 64612 2142988 1503516 4.43 290624 2277708 8 11:50:00 26967328 31658584 644800 1.96 229028 4619956 1175864 3.47 737300 4621352 10920 Average: 28474716 31756230 586464 1.78 146820 3381472 1339690 3.95 513962 3449530 5464 11:30:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:40:00 ens3 0.53 0.16 0.13 0.07 0.00 0.00 0.00 0.00 11:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:00 lo 0.78 0.78 0.08 0.08 0.00 0.00 0.00 0.00 11:50:00 ens3 252.14 199.85 1014.45 51.79 0.00 0.00 0.00 0.00 11:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.45 0.45 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 128.15 101.45 514.61 26.30 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 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-19896) 05/25/26 _x86_64_ (8 CPU) 11:22:40 LINUX RESTART (8 CPU) 11:30:17 CPU %user %nice %system %iowait %steal %idle 11:40:00 all 0.04 0.00 0.02 0.00 0.01 99.93 11:40:00 0 0.00 0.00 0.00 0.00 0.00 99.99 11:40:00 1 0.24 0.00 0.02 0.00 0.01 99.72 11:40:00 2 0.03 0.00 0.04 0.00 0.02 99.90 11:40:00 3 0.01 0.00 0.01 0.00 0.00 99.97 11:40:00 4 0.02 0.00 0.02 0.00 0.01 99.96 11:40:00 5 0.03 0.00 0.02 0.00 0.00 99.95 11:40:00 6 0.00 0.00 0.00 0.00 0.01 99.99 11:40:00 7 0.00 0.00 0.01 0.03 0.00 99.95 11:50:00 all 25.61 0.00 1.21 0.19 0.06 72.93 11:50:00 0 25.22 0.00 1.16 0.09 0.06 73.47 11:50:00 1 33.18 0.00 2.00 0.16 0.08 64.59 11:50:00 2 26.53 0.00 1.09 0.26 0.06 72.07 11:50:00 3 24.42 0.00 0.88 0.03 0.06 74.61 11:50:00 4 25.72 0.00 1.14 0.38 0.06 72.70 11:50:00 5 23.81 0.00 1.22 0.09 0.07 74.81 11:50:00 6 23.40 0.00 1.28 0.17 0.06 75.09 11:50:00 7 22.62 0.00 0.87 0.33 0.06 76.12 Average: all 13.00 0.00 0.62 0.10 0.04 86.25 Average: 0 12.79 0.00 0.59 0.04 0.03 86.55 Average: 1 16.95 0.00 1.03 0.08 0.04 81.90 Average: 2 13.46 0.00 0.57 0.13 0.04 85.79 Average: 3 12.38 0.00 0.45 0.01 0.03 87.12 Average: 4 13.04 0.00 0.59 0.19 0.04 86.14 Average: 5 12.08 0.00 0.63 0.04 0.03 87.21 Average: 6 11.85 0.00 0.65 0.09 0.03 87.38 Average: 7 11.47 0.00 0.45 0.18 0.03 87.87