---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31362 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 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 642 10488 4 4858 15004 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:be:6f:3e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.173/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83672sec preferred_lft 83672sec inet6 fe80::f816:3eff:febe:6f3e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:41:35:5e:e5:a7 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-31362) 06/28/26 _x86_64_ (4 CPU) 09:54:19 LINUX RESTART (4 CPU) 10:00:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:36 11.64 2.92 8.42 0.30 161.29 2965.24 446.60 10:20:12 3.41 0.02 3.31 0.08 0.93 270.83 173.92 10:30:11 23.36 0.52 21.02 1.82 19.48 6613.13 11398.48 Average: 12.91 1.18 10.99 0.74 62.14 3318.49 4025.68 10:00:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:36 9659552 12727896 3235312 19.76 114656 3112104 3529860 20.26 493336 5872364 1972 10:20:12 10577892 13740524 2222308 13.57 118112 3194816 2450204 14.06 516964 4929072 28916 10:30:11 10810808 15411356 545444 3.33 137196 4560424 1068612 6.13 865972 4258492 32 Average: 10349417 13959925 2001021 12.22 123321 3622448 2349559 13.49 625424 5019976 10307 10:00:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:36 lo 0.46 0.46 0.04 0.04 0.00 0.00 0.00 0.00 10:10:36 ens3 65.90 53.54 748.12 8.77 0.00 0.00 0.00 0.00 10:10:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:12 lo 0.49 0.49 0.38 0.38 0.00 0.00 0.00 0.00 10:20:12 ens3 3.70 2.94 0.83 0.78 0.00 0.00 0.00 0.00 10:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:11 lo 581.12 581.12 553.83 553.83 0.00 0.00 0.00 0.00 10:30:11 ens3 44.90 33.59 488.71 5.32 0.00 0.00 0.00 0.00 10:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 194.89 194.89 185.57 185.57 0.00 0.00 0.00 0.00 Average: ens3 38.83 30.56 420.49 5.04 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-31362) 06/28/26 _x86_64_ (4 CPU) 09:54:19 LINUX RESTART (4 CPU) 10:00:22 CPU %user %nice %system %iowait %steal %idle 10:10:36 all 46.41 0.00 0.97 0.08 0.08 52.45 10:10:36 0 52.01 0.00 0.91 0.05 0.08 46.95 10:10:36 1 40.69 0.00 1.02 0.09 0.08 58.12 10:10:36 2 45.51 0.00 0.99 0.05 0.09 53.36 10:10:36 3 47.44 0.00 0.97 0.12 0.08 51.39 10:20:12 all 41.48 0.00 0.48 0.34 0.09 57.61 10:20:12 0 26.76 0.00 0.49 0.26 0.09 72.40 10:20:12 1 44.73 0.00 0.61 0.28 0.09 54.29 10:20:12 2 54.24 0.00 0.39 0.31 0.09 44.96 10:20:12 3 40.18 0.00 0.44 0.51 0.10 58.78 10:30:11 all 30.69 0.00 1.31 2.74 0.08 65.19 10:30:11 0 31.68 0.00 1.30 1.51 0.09 65.43 10:30:11 1 31.20 0.00 1.71 4.85 0.07 62.17 10:30:11 2 29.98 0.00 1.16 2.54 0.08 66.24 10:30:11 3 29.89 0.00 1.07 2.07 0.08 66.89 Average: all 39.57 0.00 0.93 1.05 0.08 58.37 Average: 0 37.08 0.00 0.91 0.60 0.08 61.33 Average: 1 38.83 0.00 1.12 1.74 0.08 58.23 Average: 2 43.14 0.00 0.85 0.97 0.09 54.95 Average: 3 39.24 0.00 0.83 0.90 0.09 58.95