---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23757 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: 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 13G 65G 17% / 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 691 8068 4 7229 14955 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:10:34:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83996sec preferred_lft 83996sec inet6 fe80::f816:3eff:fe10:34c6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:01:cb:14:b2:d2 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-23757) 06/04/26 _x86_64_ (4 CPU) 20:00:39 LINUX RESTART (4 CPU) 20:10:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:11 25.69 0.02 22.82 2.86 0.22 2128.71 16610.09 20:30:19 20.86 0.03 18.97 1.86 0.43 3618.85 11189.91 20:40:07 11.86 0.33 9.93 1.60 14.66 7582.36 928.22 Average: 19.50 0.12 17.27 2.10 5.04 4428.37 9611.45 20:10:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:11 8975316 13061176 2894044 17.68 153108 4025672 3210508 18.43 892276 6080052 29932 20:30:19 5580560 10569688 5382048 32.87 170176 4874904 5272008 30.26 1161708 9138764 19616 20:40:07 8331296 15376900 567268 3.46 186412 6849032 1078384 6.19 1902460 5590464 14092 Average: 7629057 13002588 2947787 18.00 169899 5249869 3186967 18.29 1318815 6936427 21213 20:10:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:11 lo 1273.29 1273.29 1212.90 1212.90 0.00 0.00 0.00 0.00 20:20:11 ens3 41.92 31.37 19.16 11.16 0.00 0.00 0.00 0.00 20:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:19 lo 691.84 691.84 685.95 685.95 0.00 0.00 0.00 0.00 20:30:19 ens3 25.84 21.33 21.04 7.84 0.00 0.00 0.00 0.00 20:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:07 lo 2621.34 2621.34 9446.16 9446.16 0.00 0.00 0.00 0.00 20:40:07 ens3 102.44 112.70 156.04 1278.56 0.00 0.00 0.00 0.00 20:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1518.79 1518.79 3740.57 3740.57 0.00 0.00 0.00 0.00 Average: ens3 56.35 54.69 64.80 426.71 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-23757) 06/04/26 _x86_64_ (4 CPU) 20:00:39 LINUX RESTART (4 CPU) 20:10:19 CPU %user %nice %system %iowait %steal %idle 20:20:11 all 64.38 0.00 2.25 0.05 0.09 33.22 20:20:11 0 64.50 0.00 2.14 0.04 0.09 33.23 20:20:11 1 64.77 0.00 2.37 0.03 0.09 32.74 20:20:11 2 63.83 0.00 2.35 0.05 0.09 33.69 20:20:11 3 64.42 0.00 2.16 0.08 0.09 33.25 20:30:19 all 39.84 0.00 1.62 0.08 0.08 58.39 20:30:19 0 39.01 0.00 1.51 0.09 0.08 59.31 20:30:19 1 39.74 0.00 1.59 0.06 0.07 58.53 20:30:19 2 39.58 0.00 1.75 0.07 0.08 58.52 20:30:19 3 41.00 0.00 1.64 0.08 0.08 57.20 20:40:07 all 34.11 0.00 1.33 0.12 0.06 64.38 20:40:07 0 27.97 0.00 1.52 0.05 0.06 70.39 20:40:07 1 37.45 0.00 0.86 0.13 0.06 61.50 20:40:07 2 35.33 0.00 1.30 0.17 0.07 63.13 20:40:07 3 35.69 0.00 1.63 0.12 0.07 62.50 Average: all 46.07 0.00 1.73 0.08 0.08 52.04 Average: 0 43.80 0.00 1.72 0.06 0.08 54.34 Average: 1 47.27 0.00 1.61 0.07 0.08 50.97 Average: 2 46.20 0.00 1.80 0.10 0.08 51.83 Average: 3 47.01 0.00 1.81 0.09 0.08 51.01