---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-10013 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: 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: 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 17G 138G 11% / 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 766 19227 4 12098 30858 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:eb:82:3d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.4/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84557sec preferred_lft 84557sec inet6 fe80::f816:3eff:feeb:823d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:50:d6:fb:51:b6 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 inet6 fe80::3050:d6ff:fefb:51b6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-10013) 05/01/26 _x86_64_ (8 CPU) 00:36:19 LINUX RESTART (8 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 15.24 0.63 13.83 0.78 410.55 5488.77 2127.93 01:00:24 50.48 2.05 47.31 1.12 303.71 22803.89 3558.70 Average: 33.19 1.35 30.88 0.96 356.13 14307.76 2856.66 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 24105472 28565004 3741952 11.39 146460 4530852 3866804 11.40 953232 7348736 252 01:00:24 19921748 31619876 654176 1.99 228992 11395512 1433976 4.23 3159632 8966176 436 Average: 22013610 30092440 2198064 6.69 187726 7963182 2650390 7.82 2056432 8157456 344 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 5.64 5.64 0.55 0.55 0.00 0.00 0.00 0.00 00:50:01 ens3 71.91 51.93 362.05 13.08 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:24 lo 4428.54 4428.54 4230.72 4230.72 0.00 0.00 0.00 0.00 01:00:24 ens3 83.39 65.75 589.77 122.95 0.00 0.00 0.00 0.00 01:00:24 docker0 17.28 17.19 110.42 147.78 0.00 0.00 0.00 0.00 01:00:24 veth4564238 10.93 8.67 110.19 1.93 0.00 0.00 0.00 0.01 Average: lo 2258.32 2258.32 2155.07 2155.07 0.00 0.00 0.00 0.00 Average: ens3 77.76 58.97 478.03 69.04 0.00 0.00 0.00 0.00 Average: docker0 8.80 8.75 56.24 75.27 0.00 0.00 0.00 0.00 Average: veth4564238 5.57 4.42 56.12 0.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-10013) 05/01/26 _x86_64_ (8 CPU) 00:36:19 LINUX RESTART (8 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 37.42 0.00 1.27 0.14 0.07 61.10 00:50:01 0 34.24 0.00 1.09 0.02 0.07 64.59 00:50:01 1 44.91 0.00 1.74 0.29 0.08 52.99 00:50:01 2 38.38 0.00 1.29 0.14 0.07 60.12 00:50:01 3 33.26 0.00 1.09 0.04 0.07 65.54 00:50:01 4 41.17 0.00 1.29 0.24 0.07 57.23 00:50:01 5 35.87 0.00 1.12 0.02 0.07 62.92 00:50:01 6 36.19 0.00 1.20 0.11 0.07 62.43 00:50:01 7 35.36 0.00 1.33 0.25 0.07 63.00 01:00:24 all 19.24 0.00 2.07 0.22 0.05 78.42 01:00:24 0 26.21 0.00 3.58 0.04 0.06 70.11 01:00:24 1 25.39 0.00 4.77 0.13 0.05 69.66 01:00:24 2 17.99 0.00 1.29 0.21 0.05 80.46 01:00:24 3 16.08 0.00 1.22 0.23 0.05 82.43 01:00:24 4 14.64 0.00 1.44 0.32 0.05 83.55 01:00:24 5 13.58 0.00 1.27 0.13 0.04 84.98 01:00:24 6 17.17 0.00 1.16 0.32 0.05 81.30 01:00:24 7 22.92 0.00 1.87 0.35 0.06 74.80 Average: all 28.17 0.00 1.68 0.18 0.06 69.91 Average: 0 30.16 0.00 2.35 0.03 0.06 67.39 Average: 1 35.00 0.00 3.28 0.21 0.06 61.45 Average: 2 27.99 0.00 1.29 0.17 0.06 70.48 Average: 3 24.52 0.00 1.15 0.13 0.06 74.13 Average: 4 27.67 0.00 1.37 0.28 0.06 70.63 Average: 5 24.53 0.00 1.19 0.08 0.06 74.15 Average: 6 26.50 0.00 1.18 0.21 0.06 72.04 Average: 7 29.03 0.00 1.61 0.30 0.06 69.01