---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1850 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 17G 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 771 19408 4 11912 30853 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:8d:67:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84481sec preferred_lft 84481sec inet6 fe80::f816:3eff:fe8d:6741/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:eb:b4:87:bc:d8 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::14eb:b4ff:fe87:bcd8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1850) 04/11/26 _x86_64_ (8 CPU) 00:23:21 LINUX RESTART (8 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 10.49 0.06 10.00 0.44 1.92 4199.87 461.60 00:50:24 50.28 2.38 46.66 1.24 355.71 20224.08 3774.92 Average: 30.76 1.24 28.67 0.84 182.10 12360.59 2148.99 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 22302676 28953596 3345600 10.18 167936 6620276 3331900 9.83 1699456 8292320 1489844 00:50:24 20144068 31654632 618872 1.88 234056 11202988 1411356 4.16 3077448 8818228 364 Average: 21223372 30304114 1982236 6.03 200996 8911632 2371628 6.99 2388452 8555274 745104 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 1.68 1.68 0.16 0.16 0.00 0.00 0.00 0.00 00:40:01 ens3 56.48 48.39 235.09 13.24 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:24 lo 176.63 176.63 174.36 174.36 0.00 0.00 0.00 0.00 00:50:24 ens3 111.64 101.72 419.73 1260.02 0.00 0.00 0.00 0.00 00:50:24 docker0 72.06 67.96 1250.67 153.65 0.00 0.00 0.00 0.00 00:50:24 veth9f1b584 66.42 61.45 1251.23 8.02 0.00 0.00 0.00 0.10 Average: lo 90.77 90.77 88.87 88.87 0.00 0.00 0.00 0.00 Average: ens3 84.57 75.55 329.12 648.19 0.00 0.00 0.00 0.00 Average: docker0 36.70 34.61 636.93 78.25 0.00 0.00 0.00 0.00 Average: veth9f1b584 33.82 31.29 637.22 4.09 0.00 0.00 0.00 0.05 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1850) 04/11/26 _x86_64_ (8 CPU) 00:23:21 LINUX RESTART (8 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 33.33 0.00 1.35 0.03 0.07 65.22 00:40:01 0 28.93 0.00 1.22 0.08 0.07 69.70 00:40:01 1 33.99 0.00 1.64 0.02 0.06 64.28 00:40:01 2 38.81 0.00 1.48 0.02 0.07 59.62 00:40:01 3 32.89 0.00 1.23 0.02 0.07 65.81 00:40:01 4 37.07 0.00 1.48 0.01 0.07 61.37 00:40:01 5 34.43 0.00 1.39 0.01 0.07 64.10 00:40:01 6 34.08 0.00 1.16 0.02 0.06 64.68 00:40:01 7 26.47 0.00 1.25 0.08 0.06 72.14 00:50:24 all 13.00 0.00 1.29 0.19 0.05 85.48 00:50:24 0 15.15 0.00 1.75 0.11 0.05 82.94 00:50:24 1 10.16 0.00 1.07 0.22 0.06 88.50 00:50:24 2 14.08 0.00 1.54 0.19 0.05 84.15 00:50:24 3 13.37 0.00 1.19 0.38 0.05 85.01 00:50:24 4 11.69 0.00 1.11 0.16 0.05 87.00 00:50:24 5 12.97 0.00 1.12 0.15 0.04 85.71 00:50:24 6 13.39 0.00 0.99 0.07 0.05 85.50 00:50:24 7 13.18 0.00 1.54 0.23 0.05 85.01 Average: all 22.97 0.00 1.32 0.11 0.06 75.54 Average: 0 21.91 0.00 1.49 0.10 0.06 76.45 Average: 1 21.84 0.00 1.35 0.12 0.06 76.63 Average: 2 26.21 0.00 1.51 0.10 0.06 72.11 Average: 3 22.96 0.00 1.21 0.20 0.06 75.58 Average: 4 24.14 0.00 1.29 0.09 0.06 74.43 Average: 5 23.49 0.00 1.25 0.08 0.06 75.12 Average: 6 23.54 0.00 1.08 0.04 0.06 75.29 Average: 7 19.69 0.00 1.40 0.16 0.05 78.70