---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-24027 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: 5599.94 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 724 9574 4 5690 14922 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:c9:73:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84427sec preferred_lft 84427sec inet6 fe80::f816:3eff:fec9:7333/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:a7:53:0b:aa:f8 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-24027) 06/05/26 _x86_64_ (4 CPU) 11:17:19 LINUX RESTART (4 CPU) 11:20:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:05 22.29 2.67 18.15 1.47 147.64 4559.16 8488.63 11:40:01 32.85 0.05 29.34 3.47 1.34 3162.28 29145.23 11:50:05 20.45 0.32 17.02 3.11 14.40 5703.23 1994.66 Average: 25.17 1.01 21.48 2.68 54.48 4479.88 13156.26 11:20:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:05 9603824 13403676 2552956 15.59 153832 3730304 3021604 17.34 703916 5645556 94900 11:40:01 8401916 12692508 3259952 19.91 185508 4147560 3509596 20.15 861340 6642184 29600 11:50:05 9812024 15282024 664640 4.06 208180 5237388 1169056 6.71 962188 5037724 12660 Average: 9272588 13792736 2159183 13.19 182507 4371751 2566752 14.73 842481 5775155 45720 11:20:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:05 lo 603.06 603.06 573.67 573.67 0.00 0.00 0.00 0.00 11:30:05 ens3 108.38 83.98 837.81 18.13 0.00 0.00 0.00 0.00 11:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 1628.96 1628.96 1552.73 1552.73 0.00 0.00 0.00 0.00 11:40:01 ens3 46.32 35.17 140.84 11.23 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:05 lo 11.54 11.54 1.17 1.17 0.00 0.00 0.00 0.00 11:50:05 ens3 80.53 74.58 119.44 227.04 0.00 0.00 0.00 0.00 11:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 744.68 744.68 706.15 706.15 0.00 0.00 0.00 0.00 Average: ens3 78.48 64.66 365.99 85.89 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-24027) 06/05/26 _x86_64_ (4 CPU) 11:17:19 LINUX RESTART (4 CPU) 11:20:05 CPU %user %nice %system %iowait %steal %idle 11:30:05 all 57.18 0.00 1.93 0.06 0.08 40.74 11:30:05 0 53.88 0.00 1.67 0.06 0.08 44.31 11:30:05 1 59.29 0.00 2.46 0.08 0.09 38.08 11:30:05 2 58.28 0.00 1.75 0.08 0.08 39.81 11:30:05 3 57.28 0.00 1.83 0.04 0.08 40.77 11:40:01 all 57.53 0.00 2.42 0.09 0.09 39.86 11:40:01 0 57.59 0.00 2.77 0.08 0.09 39.48 11:40:01 1 57.80 0.00 2.48 0.06 0.09 39.58 11:40:01 2 58.25 0.00 2.15 0.06 0.10 39.44 11:40:01 3 56.49 0.00 2.29 0.16 0.10 40.96 11:50:05 all 39.43 0.00 1.43 0.09 0.07 58.98 11:50:05 0 42.40 0.00 1.65 0.10 0.07 55.77 11:50:05 1 38.47 0.00 1.50 0.01 0.07 59.95 11:50:05 2 35.78 0.00 1.16 0.21 0.07 62.78 11:50:05 3 41.08 0.00 1.39 0.05 0.07 57.41 Average: all 51.33 0.00 1.92 0.08 0.08 46.58 Average: 0 51.25 0.00 2.03 0.08 0.08 46.56 Average: 1 51.80 0.00 2.14 0.05 0.08 45.92 Average: 2 50.71 0.00 1.68 0.12 0.08 47.41 Average: 3 51.58 0.00 1.84 0.08 0.08 46.41