---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-27195 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 743 19171 4 12177 30881 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:d0:df:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84523sec preferred_lft 84523sec inet6 fe80::f816:3eff:fed0:df23/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:8d:22:85:d0:34 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::a48d:22ff:fe85:d034/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-27195) 06/14/26 _x86_64_ (8 CPU) 00:00:24 LINUX RESTART (8 CPU) 00:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:26 22.81 0.48 21.80 0.53 17.21 15026.81 515.07 00:30:08 40.60 2.07 37.38 1.15 322.26 10357.55 14323.66 Average: 31.50 1.25 29.42 0.83 166.31 12744.53 7264.57 00:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:26 19077424 27818568 4471564 13.61 189616 8605912 4610536 13.60 2088172 11051656 480 00:30:08 19558412 31346744 926248 2.82 228336 11477872 1740492 5.13 3068504 9437848 20 Average: 19317918 29582656 2698906 8.21 208976 10041892 3175514 9.36 2578338 10244752 250 00:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:26 lo 215.90 215.90 211.48 211.48 0.00 0.00 0.00 0.00 00:20:26 ens3 62.45 50.15 314.84 12.65 0.00 0.00 0.00 0.00 00:20:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:08 lo 16.33 16.33 1.81 1.81 0.00 0.00 0.00 0.00 00:30:08 ens3 199.77 213.91 249.45 2838.29 0.00 0.00 0.00 0.00 00:30:08 docker0 102.32 96.38 1417.98 11.70 0.00 0.00 0.00 0.00 Average: lo 118.35 118.35 108.99 108.99 0.00 0.00 0.00 0.00 Average: ens3 129.57 130.19 282.87 1393.80 0.00 0.00 0.00 0.00 Average: docker0 50.01 47.11 693.09 5.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-27195) 06/14/26 _x86_64_ (8 CPU) 00:00:24 LINUX RESTART (8 CPU) 00:10:16 CPU %user %nice %system %iowait %steal %idle 00:20:26 all 26.72 0.00 1.24 0.09 0.07 71.88 00:20:26 0 22.45 0.00 1.07 0.09 0.07 76.32 00:20:26 1 27.09 0.00 1.24 0.03 0.07 71.57 00:20:26 2 30.72 0.00 1.43 0.08 0.08 67.69 00:20:26 3 30.25 0.00 1.47 0.10 0.07 68.11 00:20:26 4 30.87 0.00 1.16 0.05 0.07 67.85 00:20:26 5 27.60 0.00 1.41 0.17 0.07 70.76 00:20:26 6 23.48 0.00 1.10 0.02 0.07 75.34 00:20:26 7 21.33 0.00 1.06 0.19 0.07 77.35 00:30:08 all 10.40 0.00 1.05 0.11 0.05 88.39 00:30:08 0 9.64 0.00 1.24 0.04 0.04 89.03 00:30:08 1 15.54 0.00 1.79 0.09 0.06 82.52 00:30:08 2 5.59 0.00 0.75 0.09 0.04 93.54 00:30:08 3 11.10 0.00 1.29 0.19 0.05 87.38 00:30:08 4 6.51 0.00 0.57 0.14 0.04 92.74 00:30:08 5 12.78 0.00 0.62 0.04 0.05 86.51 00:30:08 6 6.33 0.00 0.56 0.05 0.04 93.01 00:30:08 7 15.72 0.00 1.61 0.22 0.06 82.38 Average: all 18.74 0.00 1.15 0.10 0.06 79.95 Average: 0 16.18 0.00 1.15 0.07 0.06 82.54 Average: 1 21.44 0.00 1.51 0.06 0.06 76.93 Average: 2 18.43 0.00 1.09 0.09 0.06 80.33 Average: 3 20.88 0.00 1.38 0.14 0.06 77.54 Average: 4 18.95 0.00 0.87 0.09 0.05 80.03 Average: 5 20.35 0.00 1.02 0.11 0.06 78.47 Average: 6 15.10 0.00 0.84 0.04 0.05 83.98 Average: 7 18.59 0.00 1.33 0.21 0.06 79.81