---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1871 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 784 18927 4 12379 30840 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:ac:15:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84548sec preferred_lft 84548sec inet6 fe80::f816:3eff:feac:15f5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:82:30:48:3c:af 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::8c82:30ff:fe48:3caf/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-1871) 08/04/26 _x86_64_ (8 CPU) 00:00:24 LINUX RESTART (8 CPU) 00:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 22.48 0.50 21.44 0.54 17.45 15362.89 539.63 00:30:04 30.97 1.85 28.08 1.04 307.44 10015.97 3127.70 Average: 26.75 1.18 24.77 0.80 163.20 12675.53 1840.39 00:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 18989864 27938180 4349204 13.23 194220 8801500 4625800 13.64 2100320 11109504 416 00:30:04 18664740 30742556 1528552 4.65 233296 11751076 2120428 6.25 3095944 10268348 82096 Average: 18827302 29340368 2938878 8.94 213758 10276288 3373114 9.95 2598132 10688926 41256 00:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 222.42 222.42 218.18 218.18 0.00 0.00 0.00 0.00 00:20:01 ens3 65.52 52.91 322.83 13.93 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 00:30:04 lo 15.83 15.83 1.79 1.79 0.00 0.00 0.00 0.00 00:30:04 ens3 179.76 188.74 368.27 2741.70 0.00 0.00 0.00 0.00 00:30:04 docker0 83.74 82.12 1369.98 10.61 0.00 0.00 0.00 0.00 Average: lo 118.59 118.59 109.43 109.43 0.00 0.00 0.00 0.00 Average: ens3 122.93 121.18 345.67 1384.91 0.00 0.00 0.00 0.00 Average: docker0 42.09 41.27 688.55 5.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-1871) 08/04/26 _x86_64_ (8 CPU) 00:00:24 LINUX RESTART (8 CPU) 00:10:04 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 27.58 0.00 1.27 0.11 0.06 70.98 00:20:01 0 21.29 0.00 1.12 0.11 0.06 77.42 00:20:01 1 26.27 0.00 1.39 0.10 0.06 72.18 00:20:01 2 31.37 0.00 1.49 0.11 0.07 66.96 00:20:01 3 25.86 0.00 1.06 0.13 0.06 72.89 00:20:01 4 30.80 0.00 1.33 0.07 0.06 67.73 00:20:01 5 33.28 0.00 1.15 0.07 0.06 65.44 00:20:01 6 25.95 0.00 1.27 0.08 0.06 72.64 00:20:01 7 25.81 0.00 1.35 0.23 0.05 72.56 00:30:04 all 10.80 0.00 1.02 0.12 0.05 88.00 00:30:04 0 6.98 0.00 0.94 0.17 0.06 91.85 00:30:04 1 10.09 0.00 1.45 0.16 0.05 88.25 00:30:04 2 7.71 0.00 1.12 0.19 0.05 90.93 00:30:04 3 16.26 0.00 1.45 0.11 0.05 82.12 00:30:04 4 9.10 0.00 0.72 0.08 0.05 90.04 00:30:04 5 8.17 0.00 1.00 0.14 0.05 90.64 00:30:04 6 12.35 0.00 0.58 0.03 0.05 86.99 00:30:04 7 15.81 0.00 0.92 0.06 0.06 83.15 Average: all 19.14 0.00 1.15 0.12 0.06 79.54 Average: 0 14.09 0.00 1.03 0.14 0.06 84.69 Average: 1 18.13 0.00 1.42 0.13 0.05 80.27 Average: 2 19.45 0.00 1.31 0.15 0.06 79.03 Average: 3 21.03 0.00 1.26 0.12 0.06 77.54 Average: 4 19.89 0.00 1.03 0.08 0.06 78.95 Average: 5 20.64 0.00 1.08 0.11 0.05 78.12 Average: 6 19.11 0.00 0.92 0.06 0.05 79.85 Average: 7 20.79 0.00 1.13 0.15 0.06 77.88