---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4385 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 23G 133G 15% / 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 845 14516 4 16730 30778 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:d9:40:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.226/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84872sec preferred_lft 84872sec inet6 fe80::f816:3eff:fed9:40a2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:96:ba:1b:b4:45 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::9496:baff:fe1b:b445/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4385) 04/07/26 _x86_64_ (8 CPU) 10:59:53 LINUX RESTART (8 CPU) 11:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:05 61.49 11.33 48.64 1.52 1479.60 24157.94 1940.91 11:20:05 205.36 0.63 182.29 22.44 42.43 44397.37 528469.26 Average: 133.14 6.00 115.20 11.94 763.93 34236.67 264138.83 11:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:05 26244768 29472144 2840996 8.65 127248 3377552 2944796 8.68 546828 5682252 628 11:20:05 14715572 28213868 4024396 12.25 389268 12649712 3392076 10.00 4093244 12771524 1580 Average: 20480170 28843006 3432696 10.45 258258 8013632 3168436 9.34 2320036 9226888 1104 11:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:05 lo 4.88 4.88 1.57 1.57 0.00 0.00 0.00 0.00 11:10:05 ens3 154.83 110.99 1552.75 22.68 0.00 0.00 0.00 0.00 11:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:05 lo 1.26 1.26 0.64 0.64 0.00 0.00 0.00 0.00 11:20:05 ens3 123.95 96.07 1934.22 14.30 0.00 0.00 0.00 0.00 11:20:05 docker0 7.90 10.32 0.72 197.66 0.00 0.00 0.00 0.00 Average: lo 3.07 3.07 1.10 1.10 0.00 0.00 0.00 0.00 Average: ens3 139.45 103.56 1742.71 18.51 0.00 0.00 0.00 0.00 Average: docker0 3.93 5.14 0.36 98.43 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4385) 04/07/26 _x86_64_ (8 CPU) 10:59:53 LINUX RESTART (8 CPU) 11:00:00 CPU %user %nice %system %iowait %steal %idle 11:10:05 all 36.95 0.00 1.21 0.27 0.07 61.49 11:10:05 0 34.41 0.00 1.20 0.12 0.07 64.21 11:10:05 1 37.79 0.00 1.33 0.16 0.07 60.65 11:10:05 2 38.75 0.00 1.37 0.13 0.07 59.68 11:10:05 3 34.05 0.00 1.16 0.09 0.07 64.63 11:10:05 4 38.79 0.00 1.28 0.53 0.07 59.33 11:10:05 5 35.19 0.00 1.02 0.44 0.07 63.29 11:10:05 6 38.34 0.00 1.26 0.60 0.07 59.73 11:10:05 7 38.30 0.00 1.11 0.10 0.07 60.42 11:20:05 all 17.86 0.00 2.71 0.74 0.06 78.63 11:20:05 0 10.79 0.00 2.17 0.28 0.06 86.70 11:20:05 1 16.24 0.00 2.17 0.59 0.06 80.95 11:20:05 2 21.61 0.00 3.08 0.85 0.07 74.39 11:20:05 3 17.13 0.00 3.27 1.30 0.07 78.24 11:20:05 4 22.45 0.00 2.71 0.51 0.06 74.27 11:20:05 5 21.44 0.00 3.19 0.91 0.07 74.39 11:20:05 6 15.71 0.00 2.57 0.53 0.06 81.14 11:20:05 7 17.51 0.00 2.56 0.95 0.07 78.90 Average: all 27.46 0.00 1.96 0.50 0.07 70.01 Average: 0 22.66 0.00 1.68 0.20 0.06 75.40 Average: 1 27.07 0.00 1.75 0.37 0.06 70.75 Average: 2 30.23 0.00 2.22 0.48 0.07 66.99 Average: 3 25.64 0.00 2.21 0.69 0.07 71.40 Average: 4 30.66 0.00 1.99 0.52 0.07 66.76 Average: 5 28.36 0.00 2.10 0.67 0.07 68.81 Average: 6 27.08 0.00 1.91 0.57 0.06 70.37 Average: 7 27.97 0.00 1.83 0.52 0.07 69.61