---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33932 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 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 710 9644 4 5634 14935 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:2c:47:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.0/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84336sec preferred_lft 84336sec inet6 fe80::f816:3eff:fe2c:4740/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:8b:04:6a:26:ee 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-33932) 07/08/26 _x86_64_ (4 CPU) 06:28:02 LINUX RESTART (4 CPU) 06:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 21.79 2.67 18.12 1.01 147.24 4993.17 4171.51 06:50:02 29.33 0.04 26.01 3.28 1.25 2265.10 19446.29 07:00:01 25.23 0.15 22.23 2.85 9.95 6603.15 3933.14 Average: 25.45 0.95 22.12 2.38 52.81 4618.52 9190.61 06:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9476080 13148440 2808544 17.15 151868 3612248 3150388 18.08 673728 5804320 16824 06:50:02 9194404 13246772 2707228 16.53 169228 3944352 2975236 17.08 775896 5952264 85908 07:00:01 9990780 15392944 553688 3.38 204776 5174992 1100236 6.32 913224 4899460 124 Average: 9553755 13929385 2023153 12.36 175291 4243864 2408620 13.83 787616 5552015 34285 06:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 478.55 478.55 455.49 455.49 0.00 0.00 0.00 0.00 06:40:01 ens3 108.82 82.63 834.07 16.26 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:02 lo 1590.68 1590.68 1516.74 1516.74 0.00 0.00 0.00 0.00 06:50:02 ens3 38.93 30.27 116.11 9.43 0.00 0.00 0.00 0.00 06:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 293.01 293.01 274.43 274.43 0.00 0.00 0.00 0.00 07:00:01 ens3 60.23 54.49 112.41 141.65 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 788.00 788.00 749.45 749.45 0.00 0.00 0.00 0.00 Average: ens3 69.32 55.79 354.20 55.72 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-33932) 07/08/26 _x86_64_ (4 CPU) 06:28:02 LINUX RESTART (4 CPU) 06:30:02 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 49.61 0.00 1.73 0.36 0.07 48.24 06:40:01 0 47.56 0.00 1.42 0.50 0.08 50.45 06:40:01 1 50.93 0.00 1.69 0.14 0.07 47.17 06:40:01 2 50.28 0.00 1.92 0.17 0.07 47.56 06:40:01 3 49.65 0.00 1.88 0.63 0.07 47.77 06:50:02 all 51.03 0.00 2.27 5.59 0.10 41.02 06:50:02 0 50.67 0.00 2.39 0.08 0.10 46.76 06:50:02 1 51.98 0.00 2.57 4.60 0.10 40.75 06:50:02 2 50.40 0.00 1.85 17.00 0.10 30.66 06:50:02 3 51.07 0.00 2.25 0.68 0.09 45.91 07:00:01 all 53.15 0.00 1.85 0.56 0.09 44.35 07:00:01 0 49.06 0.00 1.63 0.61 0.09 48.60 07:00:01 1 54.91 0.00 2.16 0.62 0.09 42.21 07:00:01 2 54.30 0.00 1.87 0.74 0.09 43.00 07:00:01 3 54.32 0.00 1.73 0.28 0.09 43.58 Average: all 51.26 0.00 1.95 2.17 0.09 44.54 Average: 0 49.10 0.00 1.81 0.40 0.09 48.60 Average: 1 52.60 0.00 2.14 1.79 0.09 43.38 Average: 2 51.66 0.00 1.88 5.97 0.09 40.41 Average: 3 51.68 0.00 1.95 0.53 0.09 45.75