---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23915 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 693 9676 4 5618 14953 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:b3:61:60 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 84076sec preferred_lft 84076sec inet6 fe80::f816:3eff:feb3:6160/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:76:20:fa:4b:8b 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-23915) 06/05/26 _x86_64_ (4 CPU) 06:26:31 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 14.95 2.52 11.63 0.79 142.04 3710.28 3140.85 06:50:13 30.41 0.16 27.09 3.16 6.55 2610.41 12726.35 07:00:01 21.34 0.06 18.83 2.44 1.32 5466.92 5859.93 Average: 22.30 0.91 19.25 2.14 49.97 3909.21 7292.60 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 10497748 13945808 2013624 12.30 141304 3421624 2302012 13.21 601692 4878260 44420 06:50:13 8616352 12749224 3204864 19.57 166604 4031656 3424616 19.66 776236 6513076 271188 07:00:01 8088368 13089144 2860416 17.47 191424 4827796 3099220 17.79 896104 6867044 63452 Average: 9067489 13261392 2692968 16.45 166444 4093692 2941949 16.89 758011 6086127 126353 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 655.42 655.42 625.28 625.28 0.00 0.00 0.00 0.00 06:40:01 ens3 82.52 63.84 760.01 11.71 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 06:50:13 lo 1421.60 1421.60 1355.03 1355.03 0.00 0.00 0.00 0.00 06:50:13 ens3 56.25 42.48 182.69 11.90 0.00 0.00 0.00 0.00 06:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 406.10 406.10 385.97 385.97 0.00 0.00 0.00 0.00 07:00:01 ens3 52.28 42.17 110.89 13.39 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 834.93 834.93 795.65 795.65 0.00 0.00 0.00 0.00 Average: ens3 63.70 49.49 351.51 12.32 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-23915) 06/05/26 _x86_64_ (4 CPU) 06:26:31 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 31.81 0.00 1.29 7.39 0.07 59.44 06:40:01 0 31.44 0.00 1.17 10.08 0.06 57.25 06:40:01 1 32.47 0.00 1.36 8.74 0.07 57.36 06:40:01 2 33.11 0.00 1.30 5.36 0.07 60.16 06:40:01 3 30.23 0.00 1.32 5.38 0.07 63.00 06:50:13 all 59.90 0.00 2.43 0.67 0.12 36.87 06:50:13 0 60.54 0.00 2.19 0.62 0.12 36.54 06:50:13 1 62.56 0.00 2.56 0.56 0.12 34.20 06:50:13 2 57.26 0.00 2.68 0.76 0.12 39.18 06:50:13 3 59.24 0.00 2.31 0.76 0.12 37.57 07:00:01 all 60.00 0.00 2.16 0.65 0.12 37.07 07:00:01 0 58.36 0.00 2.16 0.81 0.12 38.56 07:00:01 1 60.86 0.00 1.96 0.52 0.12 36.55 07:00:01 2 63.52 0.00 2.43 0.88 0.13 33.04 07:00:01 3 57.25 0.00 2.10 0.38 0.12 40.15 Average: all 50.57 0.00 1.96 2.90 0.10 44.46 Average: 0 50.13 0.00 1.84 3.84 0.10 44.10 Average: 1 51.98 0.00 1.96 3.27 0.11 42.68 Average: 2 51.26 0.00 2.14 2.33 0.11 44.17 Average: 3 48.92 0.00 1.91 2.18 0.11 46.89