---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-26538 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 751 18570 4 12771 30873 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:23:c2:f1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.110/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84486sec preferred_lft 84486sec inet6 fe80::f816:3eff:fe23:c2f1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:56:ba:3d:c5:2f 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::1856:baff:fe3d:c52f/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-26538) 06/11/26 _x86_64_ (8 CPU) 00:36:21 LINUX RESTART (8 CPU) 00:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:08 17.32 0.51 15.78 1.04 386.79 5910.97 1029.78 01:00:08 29.67 0.53 28.27 0.86 23.04 22872.38 714.11 Average: 23.50 0.52 22.03 0.95 204.86 14394.22 871.90 00:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:08 24092804 28820048 3485680 10.61 151020 4783136 3537936 10.43 988320 7313240 136 01:00:08 19992576 31669956 608420 1.85 221472 11399764 1195224 3.52 3125104 8971276 39256 Average: 22042690 30245002 2047050 6.23 186246 8091450 2366580 6.98 2056712 8142258 19696 00:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:08 lo 5.77 5.77 0.55 0.55 0.00 0.00 0.00 0.00 00:50:08 ens3 74.58 55.50 499.68 13.19 0.00 0.00 0.00 0.00 00:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:08 lo 238.86 238.86 233.68 233.68 0.00 0.00 0.00 0.00 01:00:08 ens3 61.78 52.91 361.61 13.21 0.00 0.00 0.00 0.00 01:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 122.35 122.35 117.15 117.15 0.00 0.00 0.00 0.00 Average: ens3 68.17 54.20 430.62 13.20 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-26538) 06/11/26 _x86_64_ (8 CPU) 00:36:21 LINUX RESTART (8 CPU) 00:40:08 CPU %user %nice %system %iowait %steal %idle 00:50:08 all 40.53 0.00 1.48 0.12 0.09 57.79 00:50:08 0 38.17 0.00 1.22 0.07 0.08 60.45 00:50:08 1 40.04 0.00 1.69 0.09 0.09 58.09 00:50:08 2 43.95 0.00 1.55 0.14 0.09 54.27 00:50:08 3 46.85 0.00 1.64 0.29 0.09 51.14 00:50:08 4 35.81 0.00 1.13 0.09 0.08 62.89 00:50:08 5 36.73 0.00 1.44 0.13 0.08 61.62 00:50:08 6 43.07 0.00 1.49 0.05 0.09 55.30 00:50:08 7 39.58 0.00 1.68 0.10 0.08 58.55 01:00:08 all 17.76 0.00 1.16 0.21 0.06 80.80 01:00:08 0 13.79 0.00 0.93 0.14 0.06 85.08 01:00:08 1 18.58 0.00 1.19 0.18 0.06 80.00 01:00:08 2 23.04 0.00 1.59 0.41 0.07 74.89 01:00:08 3 26.50 0.00 1.35 0.25 0.07 71.83 01:00:08 4 17.61 0.00 0.96 0.07 0.06 81.30 01:00:08 5 14.43 0.00 1.03 0.19 0.06 84.28 01:00:08 6 13.56 0.00 1.12 0.07 0.06 85.20 01:00:08 7 14.58 0.00 1.14 0.39 0.06 83.84 Average: all 29.14 0.00 1.32 0.17 0.07 69.30 Average: 0 25.98 0.00 1.08 0.10 0.07 72.77 Average: 1 29.30 0.00 1.44 0.14 0.07 69.05 Average: 2 33.49 0.00 1.57 0.27 0.08 64.58 Average: 3 36.67 0.00 1.49 0.27 0.08 61.49 Average: 4 26.71 0.00 1.05 0.08 0.07 72.10 Average: 5 25.57 0.00 1.23 0.16 0.07 72.96 Average: 6 28.31 0.00 1.30 0.06 0.07 70.25 Average: 7 27.07 0.00 1.41 0.25 0.07 71.20