---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25970 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 716 10291 4 4982 14930 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:3b:40:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84320sec preferred_lft 84320sec inet6 fe80::f816:3eff:fe3b:4051/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:0a:1d:db:7a:ba 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-25970) 03/03/26 _x86_64_ (4 CPU) 09:08:37 LINUX RESTART (4 CPU) 09:10:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:21 22.06 3.22 17.83 1.01 562.78 3612.90 697.29 09:30:01 10.60 0.43 9.19 0.98 15.56 2415.75 237.45 09:40:01 26.36 0.61 21.60 4.15 21.65 3985.13 3472.14 Average: 19.78 1.43 16.29 2.06 202.11 3348.70 1483.50 09:10:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:21 11063244 14105384 1858056 11.35 116420 3089928 2290276 13.15 618024 4359212 45872 09:30:01 9524756 13253512 2703404 16.51 153436 3671484 2870076 16.47 793468 5649256 38704 09:40:01 10594756 15334764 615748 3.76 178016 4592412 1103376 6.33 1060648 4212100 216 Average: 10394252 14231220 1725736 10.54 149291 3784608 2087909 11.98 824047 4740189 28264 09:10:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:21 lo 0.54 0.54 0.06 0.06 0.00 0.00 0.00 0.00 09:20:21 ens3 79.24 61.12 850.15 10.48 0.00 0.00 0.00 0.00 09:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 lo 1.35 1.35 0.14 0.14 0.00 0.00 0.00 0.00 09:30:01 ens3 67.64 52.95 136.90 16.78 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 1530.94 1530.94 1453.87 1453.87 0.00 0.00 0.00 0.00 09:40:01 ens3 88.89 76.06 408.72 95.58 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 516.99 516.99 490.43 490.43 0.00 0.00 0.00 0.00 Average: ens3 78.72 63.50 469.06 41.23 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-25970) 03/03/26 _x86_64_ (4 CPU) 09:08:37 LINUX RESTART (4 CPU) 09:10:21 CPU %user %nice %system %iowait %steal %idle 09:20:21 all 19.23 0.00 0.86 0.30 0.05 79.56 09:20:21 0 18.39 0.00 0.94 0.19 0.05 80.43 09:20:21 1 18.11 0.00 0.97 0.65 0.05 80.23 09:20:21 2 22.61 0.00 0.87 0.24 0.06 76.22 09:20:21 3 17.82 0.00 0.67 0.11 0.06 81.35 09:30:01 all 73.17 0.00 2.30 0.07 0.16 24.30 09:30:01 0 71.98 0.00 2.34 0.07 0.17 25.43 09:30:01 1 74.03 0.00 2.04 0.04 0.16 23.72 09:30:01 2 72.79 0.00 2.60 0.07 0.16 24.36 09:30:01 3 73.88 0.00 2.21 0.08 0.16 23.67 09:40:01 all 55.64 0.00 2.50 0.20 0.14 41.53 09:40:01 0 55.43 0.00 2.55 0.12 0.13 41.77 09:40:01 1 57.21 0.00 2.57 0.38 0.14 39.71 09:40:01 2 54.71 0.00 2.45 0.16 0.13 42.55 09:40:01 3 55.23 0.00 2.43 0.13 0.14 42.08 Average: all 49.06 0.00 1.88 0.19 0.12 48.75 Average: 0 48.34 0.00 1.94 0.13 0.12 49.48 Average: 1 49.48 0.00 1.86 0.36 0.12 48.19 Average: 2 49.74 0.00 1.97 0.16 0.12 48.01 Average: 3 48.67 0.00 1.76 0.11 0.12 49.34