---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6284 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 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 690 8482 4 6816 14956 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:df:4e:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84021sec preferred_lft 84021sec inet6 fe80::f816:3eff:fedf:4e16/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:1f:fd:74:71:d4 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-6284) 04/21/26 _x86_64_ (4 CPU) 19:01:31 LINUX RESTART (4 CPU) 19:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:19 24.23 0.06 21.57 2.61 6.23 2194.94 10408.25 19:30:01 27.27 0.04 24.56 2.67 0.77 4273.63 16095.30 19:40:00 12.25 0.29 10.55 1.41 11.39 6354.92 51588.59 Average: 21.20 0.13 18.85 2.23 6.18 4269.37 26085.31 19:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:19 8878724 12944052 3011264 18.39 150704 4013428 3224708 18.51 834688 6244408 189500 19:30:01 7674112 12553812 3397292 20.75 165488 4777224 3429616 19.69 1089504 7140984 1264 19:40:00 8756632 15376868 567972 3.47 181924 6444552 1055120 6.06 1744904 5321296 2488 Average: 8436489 13624911 2325509 14.20 166039 5078401 2569815 14.75 1223032 6235563 64417 19:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:19 lo 1259.32 1259.32 1193.45 1193.45 0.00 0.00 0.00 0.00 19:20:19 ens3 36.01 29.98 22.96 10.70 0.00 0.00 0.00 0.00 19:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1029.98 1029.98 974.46 974.46 0.00 0.00 0.00 0.00 19:30:01 ens3 39.72 31.45 49.68 11.01 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:00 lo 2491.68 2491.68 9307.27 9307.27 0.00 0.00 0.00 0.00 19:40:00 ens3 93.32 103.34 151.02 1073.33 0.00 0.00 0.00 0.00 19:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1598.12 1598.12 3845.30 3845.30 0.00 0.00 0.00 0.00 Average: ens3 56.45 55.08 74.66 367.46 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-6284) 04/21/26 _x86_64_ (4 CPU) 19:01:31 LINUX RESTART (4 CPU) 19:10:16 CPU %user %nice %system %iowait %steal %idle 19:20:19 all 66.22 0.00 2.30 0.08 0.12 31.27 19:20:19 0 64.87 0.00 2.31 0.07 0.12 32.64 19:20:19 1 66.37 0.00 2.38 0.09 0.12 31.05 19:20:19 2 65.85 0.00 2.35 0.11 0.12 31.57 19:20:19 3 67.80 0.00 2.18 0.08 0.12 29.83 19:30:01 all 54.92 0.00 2.23 0.29 0.12 42.44 19:30:01 0 55.33 0.00 2.09 0.81 0.13 41.64 19:30:01 1 54.70 0.00 2.39 0.05 0.12 42.74 19:30:01 2 53.30 0.00 1.90 0.18 0.11 44.51 19:30:01 3 56.36 0.00 2.56 0.10 0.11 40.88 19:40:00 all 32.92 0.00 1.28 0.66 0.08 65.05 19:40:00 0 36.73 0.00 1.24 1.01 0.10 60.93 19:40:00 1 34.93 0.00 0.92 1.40 0.08 62.68 19:40:00 2 29.65 0.00 1.00 0.13 0.07 69.16 19:40:00 3 30.38 0.00 1.95 0.12 0.09 67.46 Average: all 51.34 0.00 1.94 0.35 0.11 46.27 Average: 0 52.30 0.00 1.88 0.63 0.11 45.08 Average: 1 52.00 0.00 1.89 0.52 0.10 45.49 Average: 2 49.59 0.00 1.75 0.14 0.10 48.42 Average: 3 51.48 0.00 2.23 0.10 0.11 46.08