---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25981 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 617 10625 4 4745 15028 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:f4:cf:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83019sec preferred_lft 83019sec inet6 fe80::f816:3eff:fef4:cfa3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:de:45:8e:7f:b1 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-4c-4g-25981) 03/03/26 _x86_64_ (4 CPU) 09:25:30 LINUX RESTART (4 CPU) 09:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:21 3.38 0.07 3.11 0.20 2.84 235.79 230.99 09:50:20 1.62 0.01 1.61 0.00 0.04 18.05 0.19 10:00:01 33.44 4.34 28.42 0.68 259.36 3796.34 1035.57 10:10:21 3.85 0.06 3.60 0.18 6.83 569.03 63.28 10:20:21 22.54 0.53 20.04 1.97 19.56 2756.80 6384.33 Average: 12.72 0.97 11.15 0.60 55.77 1446.94 1528.35 09:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:21 13726344 15520000 496912 3.03 56872 1962820 1136572 6.52 202792 2190232 12 09:50:20 13725716 15520008 496920 3.03 57500 1962808 1136636 6.52 203424 2190288 40 10:00:01 10582564 13417884 2546000 15.55 111752 2899976 2889920 16.59 464560 4988672 364 10:10:21 9531736 12532988 3429628 20.95 117764 3045532 3643104 20.91 514236 5982528 152 10:20:21 10936172 15428628 528176 3.23 141792 4455488 1047648 6.01 880164 4136236 1047968 Average: 11700506 14483902 1499527 9.16 97136 2865325 1970776 11.31 453035 3897591 209707 09:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:21 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 09:40:21 ens3 14.42 6.42 80.69 0.48 0.00 0.00 0.00 0.00 09:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:20 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:50:20 ens3 0.20 0.08 0.04 0.02 0.00 0.00 0.00 0.00 09:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 0.37 0.37 0.05 0.05 0.00 0.00 0.00 0.00 10:00:01 ens3 78.94 63.12 852.03 11.82 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:21 lo 0.60 0.60 0.36 0.36 0.00 0.00 0.00 0.00 10:10:21 ens3 10.88 8.62 36.57 2.42 0.00 0.00 0.00 0.00 10:10:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:21 lo 537.38 537.38 511.76 511.76 0.00 0.00 0.00 0.00 10:20:21 ens3 37.91 28.71 466.85 5.10 0.00 0.00 0.00 0.00 10:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 107.03 107.03 101.79 101.79 0.00 0.00 0.00 0.00 Average: ens3 27.95 20.95 280.75 3.88 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-4c-4g-25981) 03/03/26 _x86_64_ (4 CPU) 09:25:30 LINUX RESTART (4 CPU) 09:30:01 CPU %user %nice %system %iowait %steal %idle 09:40:21 all 0.16 0.00 0.10 0.41 0.02 99.31 09:40:21 0 0.15 0.00 0.07 1.46 0.01 98.31 09:40:21 1 0.21 0.00 0.13 0.12 0.03 99.51 09:40:21 2 0.13 0.00 0.09 0.06 0.02 99.71 09:40:21 3 0.16 0.00 0.09 0.01 0.02 99.72 09:50:20 all 0.07 0.00 0.03 0.28 0.01 99.61 09:50:20 0 0.03 0.00 0.02 0.33 0.01 99.62 09:50:20 1 0.16 0.00 0.03 0.17 0.02 99.62 09:50:20 2 0.05 0.00 0.05 0.60 0.02 99.29 09:50:20 3 0.03 0.00 0.04 0.03 0.01 99.90 10:00:01 all 24.82 0.00 0.90 1.17 0.07 73.04 10:00:01 0 23.20 0.00 0.79 0.20 0.07 75.74 10:00:01 1 26.21 0.00 0.95 0.83 0.07 71.94 10:00:01 2 29.69 0.00 1.21 3.43 0.07 65.60 10:00:01 3 20.19 0.00 0.67 0.21 0.06 78.87 10:10:21 all 48.45 0.00 0.77 0.05 0.11 50.62 10:10:21 0 51.85 0.00 0.58 0.01 0.12 47.43 10:10:21 1 46.90 0.00 0.77 0.10 0.10 52.12 10:10:21 2 45.70 0.00 0.75 0.04 0.10 53.40 10:10:21 3 49.33 0.00 0.98 0.06 0.11 49.52 10:20:21 all 50.64 0.00 1.56 0.87 0.13 46.81 10:20:21 0 55.99 0.00 1.46 0.25 0.13 42.17 10:20:21 1 64.73 0.00 1.65 0.94 0.15 32.52 10:20:21 2 40.57 0.00 1.59 1.01 0.12 56.72 10:20:21 3 41.24 0.00 1.54 1.27 0.12 55.82 Average: all 24.83 0.00 0.67 0.55 0.07 73.89 Average: 0 26.26 0.00 0.58 0.46 0.07 72.64 Average: 1 27.63 0.00 0.70 0.43 0.07 71.17 Average: 2 23.18 0.00 0.73 1.00 0.06 75.02 Average: 3 22.24 0.00 0.66 0.31 0.06 76.72