---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1610 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 18G 138G 12% / 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 752 19040 4 12299 30872 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:d7:f9:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84492sec preferred_lft 84492sec inet6 fe80::f816:3eff:fed7:f923/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:e5:b7:49:55:77 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::ace5:b7ff:fe49:5577/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-1610) 08/03/26 _x86_64_ (8 CPU) 00:36:45 LINUX RESTART (8 CPU) 00:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:07 12.89 0.27 12.03 0.60 9.61 5456.63 1517.75 01:00:07 31.18 0.52 29.77 0.89 22.75 22880.77 1295.51 Average: 22.03 0.39 20.90 0.74 16.18 14168.70 1406.63 00:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:07 24329228 28701412 3606576 10.97 146024 4437840 3839836 11.32 823404 7247880 1036 01:00:07 20340536 31663176 617248 1.88 216716 11054536 1215548 3.58 2960464 8797176 34376 Average: 22334882 30182294 2111912 6.43 181370 7746188 2527692 7.45 1891934 8022528 17706 00:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:07 lo 5.69 5.69 0.55 0.55 0.00 0.00 0.00 0.00 00:50:07 ens3 65.98 52.23 304.50 13.58 0.00 0.00 0.00 0.00 00:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:07 lo 221.72 221.72 217.68 217.68 0.00 0.00 0.00 0.00 01:00:07 ens3 68.09 55.57 361.84 13.13 0.00 0.00 0.00 0.00 01:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 113.71 113.71 109.11 109.11 0.00 0.00 0.00 0.00 Average: ens3 67.04 53.90 333.17 13.36 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-1610) 08/03/26 _x86_64_ (8 CPU) 00:36:45 LINUX RESTART (8 CPU) 00:40:07 CPU %user %nice %system %iowait %steal %idle 00:50:07 all 39.04 0.00 1.45 0.03 0.08 59.39 00:50:07 0 34.19 0.00 1.18 0.01 0.08 64.55 00:50:07 1 41.99 0.00 1.58 0.02 0.09 56.33 00:50:07 2 43.22 0.00 1.25 0.03 0.08 55.42 00:50:07 3 42.64 0.00 1.68 0.01 0.08 55.59 00:50:07 4 38.22 0.00 1.37 0.02 0.09 60.31 00:50:07 5 35.41 0.00 1.44 0.06 0.08 63.02 00:50:07 6 38.74 0.00 1.53 0.11 0.08 59.53 00:50:07 7 37.93 0.00 1.56 0.02 0.08 60.42 01:00:07 all 19.41 0.00 1.20 0.35 0.08 78.96 01:00:07 0 20.25 0.00 1.42 0.22 0.08 78.02 01:00:07 1 26.42 0.00 1.50 0.06 0.09 71.94 01:00:07 2 18.00 0.00 1.27 0.09 0.07 80.57 01:00:07 3 16.81 0.00 0.86 1.06 0.10 81.17 01:00:07 4 21.32 0.00 1.42 0.23 0.08 76.95 01:00:07 5 20.11 0.00 1.14 0.51 0.07 78.18 01:00:07 6 14.61 0.00 0.93 0.36 0.07 84.03 01:00:07 7 17.78 0.00 1.06 0.30 0.07 80.79 Average: all 29.22 0.00 1.32 0.19 0.08 69.18 Average: 0 27.22 0.00 1.30 0.11 0.08 71.28 Average: 1 34.21 0.00 1.54 0.04 0.09 64.13 Average: 2 30.60 0.00 1.26 0.06 0.08 68.01 Average: 3 29.71 0.00 1.27 0.54 0.09 68.38 Average: 4 29.77 0.00 1.39 0.12 0.08 68.63 Average: 5 27.76 0.00 1.29 0.28 0.08 70.60 Average: 6 26.67 0.00 1.23 0.24 0.07 71.78 Average: 7 27.85 0.00 1.31 0.16 0.07 70.61