---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-8087 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 12G 144G 8% / 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 896 24944 4 6252 30728 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:41:81:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83906sec preferred_lft 83906sec inet6 fe80::f816:3eff:fe41:8141/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:fa:1f:e6:5a:db 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-8087) 03/22/26 _x86_64_ (8 CPU) 12:59:44 LINUX RESTART (8 CPU) 13:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:01 56.77 11.55 42.49 2.73 1515.85 16292.92 9600.91 13:20:26 43.30 0.16 25.18 17.96 5.82 8927.02 494591.42 13:30:25 32.85 0.01 28.87 3.97 0.09 4471.92 9878.32 13:40:00 25.39 0.31 21.90 3.18 12.18 6610.46 14020.17 Average: 39.77 3.01 29.65 7.11 383.87 9102.80 136999.93 13:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:01 26819280 30001656 2311312 7.03 148860 3289468 2470164 7.28 632140 5003804 43692 13:20:26 25093988 28842348 3465868 10.55 179396 3778908 3538768 10.44 767552 6533904 136520 13:30:25 24614772 28880736 3423008 10.42 216432 4208724 3508148 10.35 913260 6816688 44392 13:40:00 25719724 31628916 666236 2.03 234444 5773760 1213852 3.58 1511208 4989968 300 Average: 25561941 29838414 2466606 7.51 194783 4262715 2682733 7.91 956040 5836091 56226 13:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:01 lo 825.84 825.84 786.61 786.61 0.00 0.00 0.00 0.00 13:10:01 ens3 153.57 117.05 1176.93 27.92 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:26 lo 1386.13 1386.13 1319.47 1319.47 0.00 0.00 0.00 0.00 13:20:26 ens3 50.02 32.40 20.69 13.96 0.00 0.00 0.00 0.00 13:20:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:25 lo 1578.48 1578.48 1502.73 1502.73 0.00 0.00 0.00 0.00 13:30:25 ens3 48.33 34.08 19.31 15.20 0.00 0.00 0.00 0.00 13:30:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:00 lo 748.29 748.29 696.91 696.91 0.00 0.00 0.00 0.00 13:40:00 ens3 122.87 129.31 224.80 981.21 0.00 0.00 0.00 0.00 13:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1141.18 1141.18 1082.78 1082.78 0.00 0.00 0.00 0.00 Average: ens3 92.96 77.22 358.64 249.42 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-8087) 03/22/26 _x86_64_ (8 CPU) 12:59:44 LINUX RESTART (8 CPU) 13:00:00 CPU %user %nice %system %iowait %steal %idle 13:10:01 all 24.68 0.00 1.34 1.17 0.09 72.71 13:10:01 0 23.29 0.00 1.24 0.38 0.08 75.01 13:10:01 1 26.13 0.00 1.46 1.38 0.10 70.93 13:10:01 2 25.17 0.00 1.45 2.25 0.08 71.04 13:10:01 3 25.14 0.00 1.24 1.39 0.08 72.15 13:10:01 4 24.21 0.00 1.25 0.33 0.09 74.12 13:10:01 5 22.30 0.00 1.25 2.27 0.08 74.10 13:10:01 6 26.34 0.00 1.44 0.91 0.09 71.23 13:10:01 7 24.89 0.00 1.40 0.48 0.10 73.13 13:20:26 all 33.28 0.00 1.60 0.31 0.10 64.71 13:20:26 0 28.85 0.00 1.63 0.81 0.08 68.63 13:20:26 1 34.63 0.00 1.80 0.13 0.11 63.34 13:20:26 2 35.67 0.00 1.50 0.17 0.10 62.56 13:20:26 3 35.82 0.00 1.79 0.15 0.11 62.13 13:20:26 4 33.54 0.00 1.50 0.35 0.10 64.51 13:20:26 5 34.45 0.00 1.62 0.11 0.10 63.73 13:20:26 6 31.66 0.00 1.58 0.53 0.10 66.12 13:20:26 7 31.67 0.00 1.35 0.20 0.10 66.68 13:30:25 all 37.37 0.00 1.80 0.40 0.11 60.32 13:30:25 0 37.42 0.00 1.91 0.20 0.11 60.37 13:30:25 1 33.69 0.00 1.97 0.54 0.11 63.69 13:30:25 2 36.85 0.00 1.81 1.30 0.11 59.92 13:30:25 3 37.75 0.00 1.86 0.25 0.12 60.03 13:30:25 4 37.58 0.00 1.72 0.36 0.12 60.21 13:30:25 5 43.70 0.00 1.71 0.15 0.12 54.33 13:30:25 6 35.88 0.00 1.75 0.15 0.11 62.10 13:30:25 7 36.11 0.00 1.66 0.21 0.11 61.91 13:40:00 all 23.78 0.00 1.15 0.29 0.08 74.69 13:40:00 0 18.05 0.00 0.90 0.05 0.07 80.93 13:40:00 1 34.31 0.00 1.39 0.15 0.10 64.04 13:40:00 2 31.11 0.00 1.28 0.17 0.09 67.36 13:40:00 3 21.09 0.00 1.01 0.05 0.09 77.75 13:40:00 4 18.20 0.00 1.31 0.82 0.07 79.59 13:40:00 5 31.85 0.00 1.15 0.41 0.09 66.50 13:40:00 6 14.87 0.00 1.10 0.11 0.08 83.85 13:40:00 7 20.79 0.00 1.11 0.58 0.08 77.44 Average: all 29.87 0.00 1.48 0.54 0.10 68.01 Average: 0 27.01 0.00 1.43 0.37 0.08 71.12 Average: 1 32.19 0.00 1.66 0.55 0.11 65.50 Average: 2 32.24 0.00 1.51 0.97 0.10 65.18 Average: 3 30.10 0.00 1.48 0.46 0.10 67.86 Average: 4 28.53 0.00 1.45 0.46 0.10 69.46 Average: 5 33.09 0.00 1.44 0.73 0.10 64.64 Average: 6 27.36 0.00 1.47 0.43 0.09 70.65 Average: 7 28.47 0.00 1.38 0.37 0.09 69.68