---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3026 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 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 932 20018 4 11141 30692 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:7a:b6:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.62/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84862sec preferred_lft 84862sec inet6 fe80::f816:3eff:fe7a:b65e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:f5:ad:9d:09:6b 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-3026) 03/19/26 _x86_64_ (8 CPU) 08:46:28 LINUX RESTART (8 CPU) 08:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:01 239.22 0.77 215.07 23.38 20.92 12977.11 497835.41 09:10:15 11.20 0.24 9.76 1.20 7.35 2889.72 1035.01 Average: 123.72 0.50 111.08 12.15 14.05 7867.73 246200.31 08:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:01 15753736 24456412 7785816 23.69 469028 7777180 14456040 42.63 1528600 14365360 8772 09:10:15 17618672 27135836 5107044 15.54 474832 8559284 8955500 26.41 1610772 12406804 5228 Average: 16686204 25796124 6446430 19.62 471930 8168232 11705770 34.52 1569686 13386082 7000 08:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:01 lo 4.94 4.94 1.60 1.60 0.00 0.00 0.00 0.00 09:00:01 ens3 301.04 171.03 516.34 87.07 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:15 lo 3.36 3.36 0.44 0.44 0.00 0.00 0.00 0.00 09:10:15 ens3 40.84 29.79 54.67 13.04 0.00 0.00 0.00 0.00 09:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.14 4.14 1.01 1.01 0.00 0.00 0.00 0.00 Average: ens3 169.25 99.49 282.50 49.57 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-3026) 03/19/26 _x86_64_ (8 CPU) 08:46:28 LINUX RESTART (8 CPU) 08:50:01 CPU %user %nice %system %iowait %steal %idle 09:00:01 all 89.02 0.00 3.68 0.04 0.12 7.14 09:00:01 0 89.86 0.00 3.20 0.02 0.12 6.80 09:00:01 1 87.16 0.00 3.83 0.02 0.12 8.87 09:00:01 2 89.23 0.00 3.60 0.06 0.12 6.99 09:00:01 3 89.08 0.00 3.64 0.05 0.12 7.11 09:00:01 4 87.96 0.00 3.91 0.06 0.12 7.95 09:00:01 5 91.29 0.00 3.58 0.08 0.12 4.93 09:00:01 6 88.52 0.00 4.04 0.02 0.12 7.30 09:00:01 7 89.08 0.00 3.66 0.01 0.12 7.14 09:10:15 all 96.92 0.00 2.88 0.00 0.13 0.08 09:10:15 0 96.68 0.00 3.10 0.00 0.13 0.09 09:10:15 1 96.87 0.00 2.92 0.00 0.13 0.08 09:10:15 2 96.98 0.00 2.81 0.00 0.14 0.07 09:10:15 3 96.99 0.00 2.82 0.00 0.13 0.07 09:10:15 4 96.92 0.00 2.88 0.00 0.13 0.07 09:10:15 5 96.93 0.00 2.85 0.00 0.12 0.10 09:10:15 6 97.04 0.00 2.76 0.00 0.13 0.07 09:10:15 7 96.94 0.00 2.89 0.00 0.12 0.05 Average: all 93.02 0.00 3.27 0.02 0.12 3.56 Average: 0 93.31 0.00 3.15 0.01 0.13 3.40 Average: 1 92.08 0.00 3.37 0.01 0.12 4.42 Average: 2 93.15 0.00 3.20 0.03 0.13 3.48 Average: 3 93.09 0.00 3.22 0.02 0.13 3.54 Average: 4 92.50 0.00 3.39 0.03 0.13 3.96 Average: 5 94.15 0.00 3.21 0.04 0.12 2.48 Average: 6 92.84 0.00 3.39 0.01 0.12 3.63 Average: 7 93.06 0.00 3.27 0.00 0.12 3.55