---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4194 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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 16G 139G 11% / 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 920 21282 4 9888 30703 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:25:f4:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.201/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84666sec preferred_lft 84666sec inet6 fe80::f816:3eff:fe25:f40c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:5d:df:29:a7:58 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 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-4194) 07/01/26 _x86_64_ (8 CPU) 07:28:05 LINUX RESTART (8 CPU) 07:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:03 375.33 2.08 368.16 5.09 91.59 22502.89 10714.68 07:50:03 9.74 0.23 8.40 1.11 2.60 1505.45 1114.87 Average: 192.53 1.15 188.28 3.10 47.09 12004.17 5914.77 07:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:03 18902896 27677804 4569784 13.91 468432 7847896 8859948 26.13 1461736 11299328 19320 07:50:03 17253304 26417872 5825300 17.73 475980 8207392 9125428 26.91 1548572 12830476 6604 Average: 18078100 27047838 5197542 15.82 472206 8027644 8992688 26.52 1505154 12064902 12962 07:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:03 lo 1.66 1.66 0.97 0.97 0.00 0.00 0.00 0.00 07:40:03 ens3 296.81 196.58 1442.88 68.12 0.00 0.00 0.00 0.00 07:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:03 lo 6.37 6.37 1.04 1.04 0.00 0.00 0.00 0.00 07:50:03 ens3 138.13 80.20 98.17 40.00 0.00 0.00 0.00 0.00 07:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.01 4.01 1.01 1.01 0.00 0.00 0.00 0.00 Average: ens3 217.47 138.39 770.53 54.06 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 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-4194) 07/01/26 _x86_64_ (8 CPU) 07:28:05 LINUX RESTART (8 CPU) 07:30:03 CPU %user %nice %system %iowait %steal %idle 07:40:03 all 64.20 0.00 3.68 0.46 0.10 31.56 07:40:03 0 67.99 0.00 3.63 0.50 0.11 27.77 07:40:03 1 64.39 0.00 3.89 0.62 0.10 30.99 07:40:03 2 63.80 0.00 3.55 0.34 0.10 32.20 07:40:03 3 64.55 0.00 3.62 0.46 0.09 31.27 07:40:03 4 62.03 0.00 3.94 0.49 0.10 33.44 07:40:03 5 63.79 0.00 3.59 0.40 0.10 32.12 07:40:03 6 63.29 0.00 3.56 0.36 0.10 32.70 07:40:03 7 63.76 0.00 3.65 0.52 0.09 31.98 07:50:03 all 96.68 0.00 3.15 0.00 0.12 0.06 07:50:03 0 96.57 0.00 3.23 0.00 0.13 0.07 07:50:03 1 96.74 0.00 3.08 0.00 0.12 0.05 07:50:03 2 96.57 0.00 3.25 0.00 0.12 0.06 07:50:03 3 96.67 0.00 3.18 0.00 0.10 0.05 07:50:03 4 96.56 0.00 3.28 0.00 0.11 0.06 07:50:03 5 96.74 0.00 3.09 0.00 0.12 0.04 07:50:03 6 96.88 0.00 2.94 0.00 0.13 0.05 07:50:03 7 96.71 0.00 3.12 0.00 0.11 0.06 Average: all 80.50 0.00 3.41 0.23 0.11 15.75 Average: 0 82.31 0.00 3.43 0.25 0.12 13.89 Average: 1 80.63 0.00 3.49 0.31 0.11 15.46 Average: 2 80.23 0.00 3.40 0.17 0.11 16.09 Average: 3 80.65 0.00 3.40 0.23 0.10 15.62 Average: 4 79.39 0.00 3.61 0.25 0.10 16.65 Average: 5 80.33 0.00 3.34 0.20 0.11 16.02 Average: 6 80.14 0.00 3.25 0.18 0.11 16.32 Average: 7 80.29 0.00 3.38 0.26 0.10 15.97