---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-838 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 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: 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 12G 67G 15% / 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 743 9407 4 5837 14902 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:11:0e:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84245sec preferred_lft 84245sec inet6 fe80::f816:3eff:fe11:e72/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:eb:41:3e:0c:63 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-838) 07/31/26 _x86_64_ (4 CPU) 06:28:14 LINUX RESTART (4 CPU) 06:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:03 16.31 2.93 12.68 0.70 173.80 3739.01 5114.84 06:50:03 31.42 0.16 27.94 3.32 6.21 3928.85 19030.84 07:00:01 24.65 0.05 21.98 2.62 1.69 5977.53 7359.47 Average: 24.11 1.05 20.85 2.21 60.85 4545.41 10493.73 06:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:03 10243092 13646796 2313216 14.13 130096 3407652 2755364 15.82 517900 5239540 197048 06:50:03 8854112 13012632 2941088 17.96 166692 4060536 3337416 19.16 760744 6316708 104460 07:00:01 5955944 11513836 4431156 27.06 208428 5319772 4660324 26.75 930312 8928872 278624 Average: 8351049 12724421 3228487 19.72 168405 4262653 3584368 20.57 736319 6828373 193377 06:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:03 lo 98.36 98.36 93.44 93.44 0.00 0.00 0.00 0.00 06:40:03 ens3 89.86 63.98 1075.29 9.67 0.00 0.00 0.00 0.00 06:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:03 lo 1522.56 1522.56 1451.50 1451.50 0.00 0.00 0.00 0.00 06:50:03 ens3 58.73 43.59 100.67 14.19 0.00 0.00 0.00 0.00 06:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 484.60 484.60 460.75 460.75 0.00 0.00 0.00 0.00 07:00:01 ens3 55.89 43.99 213.45 12.44 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 700.81 700.81 667.59 667.59 0.00 0.00 0.00 0.00 Average: ens3 68.21 50.55 464.64 12.09 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-838) 07/31/26 _x86_64_ (4 CPU) 06:28:14 LINUX RESTART (4 CPU) 06:30:00 CPU %user %nice %system %iowait %steal %idle 06:40:03 all 17.29 0.00 0.70 0.09 0.04 81.87 06:40:03 0 16.58 0.00 0.55 0.12 0.04 82.72 06:40:03 1 17.66 0.00 0.82 0.07 0.04 81.42 06:40:03 2 18.17 0.00 0.85 0.12 0.05 80.81 06:40:03 3 16.75 0.00 0.60 0.05 0.04 82.55 06:50:03 all 65.46 0.00 2.52 0.06 0.10 31.87 06:50:03 0 65.26 0.00 2.48 0.09 0.10 32.07 06:50:03 1 63.75 0.00 2.34 0.06 0.10 33.76 06:50:03 2 66.65 0.00 2.86 0.04 0.10 30.36 06:50:03 3 66.16 0.00 2.40 0.05 0.09 31.30 07:00:01 all 60.66 0.00 2.15 0.06 0.09 37.04 07:00:01 0 57.49 0.00 1.89 0.09 0.09 40.45 07:00:01 1 63.93 0.00 2.44 0.06 0.09 33.47 07:00:01 2 60.36 0.00 2.41 0.04 0.09 37.10 07:00:01 3 60.88 0.00 1.88 0.04 0.09 37.13 Average: all 47.70 0.00 1.79 0.07 0.08 50.37 Average: 0 46.35 0.00 1.64 0.10 0.08 51.85 Average: 1 48.35 0.00 1.86 0.06 0.07 49.64 Average: 2 48.30 0.00 2.03 0.07 0.08 49.52 Average: 3 47.81 0.00 1.62 0.04 0.07 50.45