---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23826 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 12G 66G 16% / 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 672 8922 4 6394 14974 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:9e:9b:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84018sec preferred_lft 84018sec inet6 fe80::f816:3eff:fe9e:9b2b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:47:52:75:ce:b2 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-23826) 02/27/26 _x86_64_ (4 CPU) 12:29:38 LINUX RESTART (4 CPU) 12:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:40:23 58.92 10.48 46.46 1.98 1335.67 8861.56 4684.71 12:50:23 24.59 0.03 21.81 2.76 0.39 2195.95 5894.36 13:00:23 27.08 0.02 24.46 2.59 0.48 4293.24 5320.98 Average: 37.15 3.60 31.11 2.44 456.87 5164.70 5292.16 12:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:40:23 10506472 13657160 2304872 14.08 122380 3182720 2489564 14.29 574896 4942056 12940 12:50:23 9317952 12914236 3042956 18.59 145964 3562880 3128008 17.95 718488 5941044 21328 13:00:23 5678256 10318232 5634580 34.41 161932 4546332 5487712 31.50 1014304 9227512 176 Average: 8500893 12296543 3660803 22.36 143425 3763977 3701761 21.25 769229 6703537 11481 12:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:40:23 lo 630.16 630.16 599.02 599.02 0.00 0.00 0.00 0.00 12:40:23 ens3 155.19 116.06 1244.30 23.09 0.00 0.00 0.00 0.00 12:40:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:23 lo 1357.47 1357.47 1287.37 1287.37 0.00 0.00 0.00 0.00 12:50:23 ens3 37.72 30.51 25.28 10.72 0.00 0.00 0.00 0.00 12:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:23 lo 1039.85 1039.85 2976.66 2976.66 0.00 0.00 0.00 0.00 13:00:23 ens3 46.41 34.54 42.19 11.61 0.00 0.00 0.00 0.00 13:00:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1004.33 1004.33 1607.98 1607.98 0.00 0.00 0.00 0.00 Average: ens3 80.74 61.08 447.55 15.24 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-23826) 02/27/26 _x86_64_ (4 CPU) 12:29:38 LINUX RESTART (4 CPU) 12:30:00 CPU %user %nice %system %iowait %steal %idle 12:40:23 all 33.09 0.00 1.73 0.63 0.07 64.48 12:40:23 0 32.01 0.00 1.65 0.60 0.07 65.66 12:40:23 1 33.42 0.00 1.47 0.66 0.06 64.38 12:40:23 2 31.82 0.00 1.71 0.67 0.07 65.73 12:40:23 3 35.13 0.00 2.07 0.60 0.08 62.13 12:50:23 all 67.34 0.00 2.38 0.07 0.13 30.09 12:50:23 0 66.95 0.00 2.32 0.05 0.12 30.55 12:50:23 1 67.78 0.00 2.37 0.13 0.13 29.60 12:50:23 2 66.99 0.00 2.50 0.07 0.13 30.31 12:50:23 3 67.62 0.00 2.31 0.05 0.13 29.88 13:00:23 all 54.71 0.00 2.21 0.16 0.12 42.80 13:00:23 0 55.19 0.00 2.24 0.12 0.12 42.34 13:00:23 1 53.44 0.00 1.98 0.07 0.12 44.39 13:00:23 2 56.17 0.00 2.30 0.37 0.12 41.04 13:00:23 3 54.06 0.00 2.31 0.10 0.11 43.42 Average: all 51.46 0.00 2.10 0.30 0.10 46.04 Average: 0 51.13 0.00 2.06 0.26 0.11 46.44 Average: 1 51.31 0.00 1.94 0.29 0.10 46.36 Average: 2 51.37 0.00 2.17 0.38 0.11 45.98 Average: 3 52.05 0.00 2.23 0.25 0.11 45.36