---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35425 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 667 8671 4 6651 14979 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:42:42:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.108/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84326sec preferred_lft 84326sec inet6 fe80::f816:3eff:fe42:4264/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:45:00:67:c2:99 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-35425) 07/13/26 _x86_64_ (4 CPU) 05:25:30 LINUX RESTART (4 CPU) 05:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:14 43.34 0.80 25.89 16.65 54.51 3775.28 256472.27 05:50:14 32.21 0.02 28.90 3.30 0.25 2699.00 19597.64 06:00:01 16.69 0.19 14.33 2.16 12.78 8469.44 41112.20 Average: 30.94 0.34 23.12 7.48 22.81 4947.76 107277.61 05:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:14 9044876 12908776 3047292 18.61 145444 3825304 3111112 17.86 714664 6213644 36704 05:50:14 7841404 12746144 3205276 19.58 164968 4797668 3245188 18.63 1000568 7058384 591824 06:00:01 8880232 15339508 605224 3.70 182964 6279012 1114544 6.40 1620432 5333808 12740 Average: 8588837 13664809 2285931 13.96 164459 4967328 2490281 14.29 1111888 6201945 213756 05:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:14 lo 1404.75 1404.75 1331.79 1331.79 0.00 0.00 0.00 0.00 05:40:14 ens3 135.09 90.78 377.96 18.22 0.00 0.00 0.00 0.00 05:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:14 lo 1380.01 1380.01 1314.65 1314.65 0.00 0.00 0.00 0.00 05:50:14 ens3 51.38 38.78 42.47 13.44 0.00 0.00 0.00 0.00 05:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 lo 380.21 380.21 6994.45 6994.45 0.00 0.00 0.00 0.00 06:00:01 ens3 86.24 95.84 120.47 1026.37 0.00 0.00 0.00 0.00 06:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1062.31 1062.31 3173.18 3173.18 0.00 0.00 0.00 0.00 Average: ens3 91.26 75.10 182.16 345.47 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-35425) 07/13/26 _x86_64_ (4 CPU) 05:25:30 LINUX RESTART (4 CPU) 05:30:01 CPU %user %nice %system %iowait %steal %idle 05:40:14 all 64.77 0.00 2.51 1.95 0.10 30.67 05:40:14 0 62.09 0.00 2.54 3.46 0.10 31.81 05:40:14 1 65.34 0.00 2.64 0.74 0.10 31.18 05:40:14 2 65.78 0.00 2.43 0.07 0.11 31.61 05:40:14 3 65.86 0.00 2.42 3.52 0.10 28.10 05:50:14 all 63.03 0.00 2.51 0.08 0.09 34.29 05:50:14 0 61.44 0.00 2.54 0.07 0.09 35.88 05:50:14 1 62.71 0.00 2.43 0.05 0.09 34.72 05:50:14 2 65.46 0.00 2.74 0.14 0.09 31.57 05:50:14 3 62.51 0.00 2.34 0.07 0.09 34.99 06:00:01 all 30.21 0.00 1.14 0.19 0.07 68.38 06:00:01 0 37.82 0.00 1.36 0.07 0.07 60.68 06:00:01 1 28.12 0.00 1.35 0.16 0.08 70.29 06:00:01 2 29.54 0.00 0.82 0.06 0.07 69.51 06:00:01 3 25.38 0.00 1.04 0.45 0.08 73.05 Average: all 52.89 0.00 2.06 0.75 0.09 44.21 Average: 0 53.93 0.00 2.15 1.22 0.09 42.61 Average: 1 52.30 0.00 2.15 0.32 0.09 45.15 Average: 2 53.83 0.00 2.01 0.09 0.09 43.99 Average: 3 51.50 0.00 1.94 1.37 0.09 45.10