---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1211 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: 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 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 751 19776 4 11564 30872 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:af:67:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.41/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84224sec preferred_lft 84224sec inet6 fe80::f816:3eff:feaf:6732/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:f6:70:d0:22:4d 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-1211) 03/11/26 _x86_64_ (8 CPU) 12:44:53 LINUX RESTART (8 CPU) 12:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:03 15.41 0.66 13.93 0.83 20.09 4155.77 692.30 13:10:03 6.80 0.08 5.75 0.97 2.79 453.15 476.95 13:20:03 326.64 0.57 320.62 5.45 6.80 23608.36 66072.84 Average: 116.24 0.44 113.39 2.41 9.90 9403.04 22404.47 12:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:03 22541440 26740772 5561600 16.92 170832 4219288 8676672 25.59 641572 9177212 3468 13:10:03 22362696 26657312 5643200 17.17 171960 4307612 8674396 25.58 669024 9323208 1284 13:20:03 17679104 28566740 3673532 11.18 481764 9885260 3550700 10.47 1742420 12146856 27648 Average: 20861080 27321608 4959444 15.09 274852 6137387 6967256 20.55 1017672 10215759 10800 12:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:03 lo 2.22 2.22 1.04 1.04 0.00 0.00 0.00 0.00 13:00:03 ens3 230.55 110.26 404.79 54.91 0.00 0.00 0.00 0.00 13:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:03 lo 5.84 5.84 0.97 0.97 0.00 0.00 0.00 0.00 13:10:03 ens3 8.93 7.47 2.14 2.82 0.00 0.00 0.00 0.00 13:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:03 lo 0.36 0.36 0.06 0.06 0.00 0.00 0.00 0.00 13:20:03 ens3 159.86 96.91 931.44 30.42 0.00 0.00 0.00 0.00 13:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.81 2.81 0.69 0.69 0.00 0.00 0.00 0.00 Average: ens3 133.13 71.55 446.06 29.39 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-1211) 03/11/26 _x86_64_ (8 CPU) 12:44:53 LINUX RESTART (8 CPU) 12:50:02 CPU %user %nice %system %iowait %steal %idle 13:00:03 all 43.43 0.00 1.48 0.05 0.08 54.96 13:00:03 0 40.92 0.00 1.60 0.01 0.08 57.39 13:00:03 1 43.30 0.00 1.49 0.01 0.08 55.13 13:00:03 2 44.27 0.00 1.53 0.03 0.08 54.09 13:00:03 3 39.79 0.00 1.46 0.00 0.07 58.67 13:00:03 4 41.22 0.00 1.38 0.02 0.08 57.31 13:00:03 5 46.84 0.00 1.36 0.15 0.08 51.58 13:00:03 6 44.97 0.00 1.50 0.03 0.08 53.42 13:00:03 7 46.15 0.00 1.54 0.17 0.08 52.07 13:10:03 all 97.00 0.00 2.74 0.00 0.14 0.11 13:10:03 0 96.99 0.00 2.76 0.00 0.14 0.11 13:10:03 1 97.02 0.00 2.69 0.00 0.15 0.14 13:10:03 2 97.33 0.00 2.45 0.00 0.14 0.08 13:10:03 3 96.89 0.00 2.85 0.00 0.14 0.13 13:10:03 4 96.80 0.00 2.94 0.00 0.14 0.13 13:10:03 5 96.97 0.00 2.78 0.00 0.15 0.11 13:10:03 6 97.11 0.00 2.65 0.00 0.14 0.10 13:10:03 7 96.92 0.00 2.83 0.00 0.14 0.11 13:20:03 all 46.07 0.00 2.94 1.74 0.11 49.14 13:20:03 0 43.25 0.00 3.25 1.53 0.15 51.82 13:20:03 1 47.47 0.00 2.87 1.29 0.11 48.26 13:20:03 2 48.88 0.00 3.04 3.33 0.11 44.65 13:20:03 3 47.31 0.00 2.97 1.94 0.10 47.67 13:20:03 4 46.15 0.00 3.33 1.23 0.11 49.18 13:20:03 5 44.61 0.00 3.36 1.25 0.11 50.66 13:20:03 6 43.48 0.00 2.17 1.08 0.10 53.18 13:20:03 7 47.37 0.00 2.54 2.28 0.11 47.70 Average: all 62.16 0.00 2.39 0.60 0.11 34.74 Average: 0 60.39 0.00 2.53 0.51 0.12 36.44 Average: 1 62.57 0.00 2.35 0.43 0.11 34.54 Average: 2 63.49 0.00 2.34 1.12 0.11 32.94 Average: 3 61.35 0.00 2.43 0.65 0.10 35.47 Average: 4 61.37 0.00 2.55 0.41 0.11 35.57 Average: 5 62.80 0.00 2.50 0.47 0.11 34.12 Average: 6 61.83 0.00 2.10 0.37 0.10 35.59 Average: 7 63.48 0.00 2.30 0.82 0.11 33.29