---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-12581 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 749 19124 4 12218 30875 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:ae:ce:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84515sec preferred_lft 84515sec inet6 fe80::f816:3eff:feae:ce39/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:3b:64:44:76:6a 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::b03b:64ff:fe44:766a/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-12581) 05/11/26 _x86_64_ (8 CPU) 00:00:27 LINUX RESTART (8 CPU) 00:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 23.35 0.50 22.13 0.73 17.55 15347.94 546.54 00:30:01 44.87 2.03 41.61 1.22 314.36 10581.11 3885.78 Average: 34.12 1.27 31.88 0.98 166.12 12961.92 2217.98 00:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 19147904 27799020 4492100 13.67 188884 8523808 4639216 13.68 2078256 10984628 428 00:30:01 19769204 31599428 672548 2.05 234704 11510636 1289428 3.80 3112192 9139560 280 Average: 19458554 29699224 2582324 7.86 211794 10017222 2964322 8.74 2595224 10062094 354 00:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 234.76 234.76 229.89 229.89 0.00 0.00 0.00 0.00 00:20:01 ens3 57.29 48.47 319.99 12.82 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:01 lo 13.80 13.80 1.58 1.58 0.00 0.00 0.00 0.00 00:30:01 ens3 179.13 187.30 332.58 2721.04 0.00 0.00 0.00 0.00 00:30:01 docker0 90.41 89.70 1375.25 161.71 0.00 0.00 0.00 0.00 Average: lo 124.16 124.16 115.61 115.61 0.00 0.00 0.00 0.00 Average: ens3 118.27 117.96 326.29 1368.41 0.00 0.00 0.00 0.00 Average: docker0 45.26 44.90 688.38 80.95 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-12581) 05/11/26 _x86_64_ (8 CPU) 00:00:27 LINUX RESTART (8 CPU) 00:10:01 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 28.89 0.00 1.41 0.13 0.06 69.50 00:20:01 0 24.18 0.00 1.07 0.04 0.06 74.64 00:20:01 1 39.34 0.00 1.49 0.02 0.07 59.07 00:20:01 2 28.66 0.00 1.45 0.05 0.06 69.78 00:20:01 3 26.02 0.00 1.27 0.16 0.06 72.49 00:20:01 4 24.83 0.00 1.24 0.14 0.05 73.73 00:20:01 5 34.65 0.00 1.94 0.33 0.06 63.01 00:20:01 6 26.36 0.00 1.48 0.21 0.06 71.89 00:20:01 7 27.09 0.00 1.36 0.11 0.07 71.37 00:30:01 all 10.06 0.00 1.08 0.17 0.05 88.64 00:30:01 0 12.82 0.00 1.03 0.12 0.05 85.97 00:30:01 1 8.31 0.00 0.79 0.15 0.05 90.70 00:30:01 2 16.69 0.00 1.04 0.06 0.05 82.15 00:30:01 3 6.06 0.00 1.13 0.18 0.06 92.57 00:30:01 4 7.53 0.00 1.40 0.09 0.05 90.94 00:30:01 5 7.90 0.00 1.13 0.49 0.05 90.43 00:30:01 6 10.58 0.00 1.12 0.07 0.06 88.18 00:30:01 7 10.61 0.00 1.00 0.16 0.04 88.19 Average: all 19.46 0.00 1.25 0.15 0.06 79.09 Average: 0 18.49 0.00 1.05 0.08 0.06 80.32 Average: 1 23.78 0.00 1.14 0.08 0.06 74.93 Average: 2 22.66 0.00 1.25 0.06 0.06 75.98 Average: 3 16.03 0.00 1.20 0.17 0.06 82.54 Average: 4 16.17 0.00 1.32 0.12 0.05 82.35 Average: 5 21.25 0.00 1.53 0.41 0.06 76.74 Average: 6 18.46 0.00 1.30 0.14 0.06 80.05 Average: 7 18.84 0.00 1.18 0.14 0.06 79.79