---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39097 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 11G 67G 14% / 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 671 10282 4 5035 14975 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:32:65:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84381sec preferred_lft 84381sec inet6 fe80::f816:3eff:fe32:652b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:f8:92:cb:61:8f 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-39097) 07/26/26 _x86_64_ (4 CPU) 05:47:31 LINUX RESTART (4 CPU) 05:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:00:02 11.81 2.16 9.08 0.57 152.20 2622.87 18564.68 06:10:01 11.46 0.44 9.99 1.04 17.20 2126.55 2936.48 06:20:02 29.32 0.58 24.40 4.35 22.31 3916.07 3378.90 Average: 17.54 1.06 14.49 1.99 63.91 2889.10 8293.47 05:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:00:02 11198688 14407648 1554084 9.49 121556 3237516 1954540 11.22 500300 4326972 44404 06:10:01 9678276 13495568 2460276 15.03 150384 3755804 2741268 15.73 659188 5613516 28708 06:20:02 10582156 15379248 568872 3.47 176856 4644868 1109380 6.37 917432 4349588 216 Average: 10486373 14427488 1527744 9.33 149599 3879396 1935063 11.11 692307 4763359 24443 05:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:00:02 lo 0.41 0.41 0.04 0.04 0.00 0.00 0.00 0.00 06:00:02 ens3 88.43 67.38 971.00 9.37 0.00 0.00 0.00 0.00 06:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 06:10:01 ens3 69.68 52.69 100.21 16.58 0.00 0.00 0.00 0.00 06:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:20:02 lo 1685.07 1685.07 1592.61 1592.61 0.00 0.00 0.00 0.00 06:20:02 ens3 113.02 101.21 418.00 159.23 0.00 0.00 0.00 0.00 06:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 562.83 562.83 531.46 531.46 0.00 0.00 0.00 0.00 Average: ens3 90.39 73.77 496.51 61.77 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-39097) 07/26/26 _x86_64_ (4 CPU) 05:47:31 LINUX RESTART (4 CPU) 05:50:02 CPU %user %nice %system %iowait %steal %idle 06:00:02 all 16.56 0.00 0.68 0.63 0.04 82.09 06:00:02 0 16.37 0.00 0.60 0.42 0.03 82.57 06:00:02 1 16.35 0.00 0.85 0.58 0.04 82.18 06:00:02 2 16.57 0.00 0.70 1.30 0.05 81.39 06:00:02 3 16.94 0.00 0.59 0.24 0.04 82.20 06:10:01 all 66.80 0.00 2.07 0.16 0.10 30.86 06:10:01 0 68.18 0.00 1.82 0.16 0.10 29.74 06:10:01 1 64.67 0.00 2.08 0.14 0.10 33.00 06:10:01 2 69.10 0.00 2.33 0.19 0.10 28.28 06:10:01 3 65.27 0.00 2.05 0.15 0.10 32.43 06:20:02 all 50.04 0.00 2.24 0.32 0.09 47.30 06:20:02 0 48.81 0.00 2.42 0.24 0.09 48.44 06:20:02 1 47.73 0.00 1.95 0.28 0.08 49.96 06:20:02 2 51.97 0.00 2.23 0.45 0.09 45.27 06:20:02 3 51.68 0.00 2.38 0.33 0.09 45.53 Average: all 44.45 0.00 1.67 0.37 0.08 53.43 Average: 0 44.42 0.00 1.62 0.27 0.07 53.62 Average: 1 42.92 0.00 1.63 0.33 0.08 55.04 Average: 2 45.86 0.00 1.75 0.64 0.08 51.67 Average: 3 44.61 0.00 1.67 0.24 0.08 53.40