---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-26735 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 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 770 18892 4 12429 30853 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:61:e0:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84512sec preferred_lft 84512sec inet6 fe80::f816:3eff:fe61:e075/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:2f:9a:d7:a8:22 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::4c2f:9aff:fed7:a822/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-26735) 06/12/26 _x86_64_ (8 CPU) 00:36:20 LINUX RESTART (8 CPU) 00:40:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:09 13.96 0.25 13.15 0.56 8.84 5253.35 1127.07 01:00:01 31.80 1.94 28.88 0.98 288.54 23183.03 1042.37 Average: 22.82 1.09 20.97 0.77 147.73 14156.67 1085.01 00:40:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:09 24191428 28565380 3742732 11.39 145752 4440600 3760312 11.09 822684 7389860 96 01:00:01 20305396 31709280 571308 1.74 216800 11135660 1316164 3.88 2995696 8800772 51324 Average: 22248412 30137330 2157020 6.56 181276 7788130 2538238 7.48 1909190 8095316 25710 00:40:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:09 lo 5.76 5.76 0.55 0.55 0.00 0.00 0.00 0.00 00:50:09 ens3 63.61 47.20 211.90 12.62 0.00 0.00 0.00 0.00 00:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:01 lo 245.38 245.38 239.94 239.94 0.00 0.00 0.00 0.00 01:00:01 ens3 65.05 55.60 366.54 13.39 0.00 0.00 0.00 0.00 01:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 124.75 124.75 119.42 119.42 0.00 0.00 0.00 0.00 Average: ens3 64.33 51.37 288.69 13.01 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-26735) 06/12/26 _x86_64_ (8 CPU) 00:36:20 LINUX RESTART (8 CPU) 00:40:09 CPU %user %nice %system %iowait %steal %idle 00:50:09 all 39.95 0.00 1.29 0.05 0.07 58.64 00:50:09 0 36.95 0.00 1.26 0.03 0.08 61.68 00:50:09 1 40.63 0.00 1.31 0.06 0.08 57.93 00:50:09 2 43.58 0.00 1.35 0.01 0.07 54.99 00:50:09 3 42.93 0.00 1.54 0.19 0.08 55.27 00:50:09 4 36.43 0.00 1.39 0.01 0.07 62.10 00:50:09 5 39.98 0.00 1.18 0.04 0.08 58.73 00:50:09 6 40.62 0.00 1.13 0.04 0.07 58.14 00:50:09 7 38.43 0.00 1.16 0.05 0.07 60.28 01:00:01 all 17.08 0.00 1.16 0.30 0.05 81.41 01:00:01 0 15.23 0.00 0.80 0.24 0.05 83.69 01:00:01 1 22.95 0.00 1.50 0.23 0.06 75.26 01:00:01 2 14.20 0.00 1.07 0.28 0.05 84.40 01:00:01 3 24.50 0.00 1.72 0.17 0.07 73.54 01:00:01 4 12.45 0.00 0.92 0.03 0.05 86.54 01:00:01 5 16.08 0.00 1.14 0.30 0.05 82.42 01:00:01 6 13.32 0.00 0.98 0.30 0.05 85.36 01:00:01 7 17.90 0.00 1.15 0.83 0.05 80.07 Average: all 28.60 0.00 1.22 0.17 0.06 69.94 Average: 0 26.17 0.00 1.03 0.13 0.06 72.60 Average: 1 31.86 0.00 1.40 0.14 0.07 66.52 Average: 2 29.00 0.00 1.21 0.14 0.06 69.58 Average: 3 33.79 0.00 1.63 0.18 0.07 64.34 Average: 4 24.51 0.00 1.16 0.02 0.06 74.25 Average: 5 28.12 0.00 1.16 0.17 0.06 70.49 Average: 6 27.07 0.00 1.05 0.17 0.06 71.64 Average: 7 28.24 0.00 1.16 0.44 0.06 70.10