---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-29452 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 9.5G 146G 7% / 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 726 27472 4 3893 30898 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:14:98:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84933sec preferred_lft 84933sec inet6 fe80::f816:3eff:fe14:9840/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:87:be:3d:d0:a0 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 ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-29452) 06/22/26 _x86_64_ (8 CPU) 07:29:55 LINUX RESTART (8 CPU) 07:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:14 13.67 6.81 6.78 0.08 1236.05 17091.69 939.61 07:50:14 54.88 4.68 47.55 2.65 268.33 6071.21 10643.56 Average: 34.05 5.76 26.94 1.35 757.61 11643.16 5737.25 07:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:14 30256424 31898452 488956 1.49 59392 1920616 1519340 4.48 198356 2134812 12 07:50:14 26505332 29807580 2505228 7.62 143008 3410424 2680304 7.90 630432 5304484 18020 Average: 28380878 30853016 1497092 4.56 101200 2665520 2099822 6.19 414394 3719648 9016 07:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:14 lo 0.21 0.21 0.02 0.02 0.00 0.00 0.00 0.00 07:40:14 ens3 17.37 11.94 65.73 2.20 0.00 0.00 0.00 0.00 07:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:14 lo 876.08 876.08 834.62 834.62 0.00 0.00 0.00 0.00 07:50:14 ens3 130.77 98.24 1077.47 17.76 0.00 0.00 0.00 0.00 07:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 433.24 433.24 412.65 412.65 0.00 0.00 0.00 0.00 Average: ens3 73.44 54.61 565.93 9.89 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-29452) 06/22/26 _x86_64_ (8 CPU) 07:29:55 LINUX RESTART (8 CPU) 07:30:00 CPU %user %nice %system %iowait %steal %idle 07:40:14 all 0.27 0.00 0.09 0.15 0.01 99.48 07:40:14 0 0.38 0.00 0.06 0.06 0.00 99.50 07:40:14 1 0.25 0.00 0.08 0.18 0.02 99.47 07:40:14 2 0.37 0.00 0.07 0.03 0.01 99.52 07:40:14 3 0.38 0.00 0.10 0.09 0.01 99.41 07:40:14 4 0.23 0.00 0.20 0.02 0.01 99.55 07:40:14 5 0.22 0.00 0.11 0.68 0.01 98.98 07:40:14 6 0.21 0.00 0.04 0.08 0.01 99.67 07:40:14 7 0.10 0.00 0.07 0.05 0.02 99.76 07:50:14 all 27.39 0.00 1.26 0.17 0.06 71.13 07:50:14 0 24.31 0.00 1.01 0.10 0.05 74.53 07:50:14 1 28.87 0.00 1.23 0.04 0.06 69.80 07:50:14 2 26.44 0.00 1.26 0.07 0.06 72.17 07:50:14 3 29.08 0.00 1.57 0.04 0.06 69.25 07:50:14 4 27.29 0.00 1.24 0.08 0.06 71.34 07:50:14 5 30.03 0.00 1.23 0.09 0.06 68.61 07:50:14 6 29.84 0.00 1.40 0.45 0.06 68.25 07:50:14 7 23.29 0.00 1.10 0.47 0.06 75.07 Average: all 13.67 0.00 0.67 0.16 0.03 85.48 Average: 0 12.20 0.00 0.53 0.08 0.03 87.16 Average: 1 14.39 0.00 0.65 0.11 0.04 84.81 Average: 2 13.25 0.00 0.66 0.05 0.03 86.00 Average: 3 14.57 0.00 0.83 0.07 0.03 84.51 Average: 4 13.60 0.00 0.71 0.05 0.03 85.61 Average: 5 14.94 0.00 0.66 0.38 0.03 83.98 Average: 6 14.84 0.00 0.71 0.26 0.03 84.15 Average: 7 11.55 0.00 0.58 0.26 0.04 87.57