---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-573 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 11G 68G 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 669 10498 4 4821 14977 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:33:08:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84366sec preferred_lft 84366sec inet6 fe80::f816:3eff:fe33:8ab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:e0:e5:c4:d0:7e 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-573) 07/30/26 _x86_64_ (4 CPU) 07:18:41 LINUX RESTART (4 CPU) 07:20:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:16 12.01 2.81 8.94 0.26 160.60 2492.01 195.86 07:40:01 11.34 0.46 9.76 1.12 17.04 2523.38 2504.92 07:50:16 27.80 0.62 22.93 4.25 24.64 3914.33 6435.10 Average: 17.18 1.30 13.99 1.90 67.49 2987.95 3077.44 07:20:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:16 11827996 14709036 1255548 7.67 113564 2933928 1967548 11.29 457176 3755092 85040 07:40:01 10180120 13739696 2218124 13.55 144140 3513256 2780684 15.96 630236 5156176 34924 07:50:16 10809968 15386392 564036 3.44 172640 4434288 1098416 6.30 898624 4162540 16 Average: 10939361 14611708 1345903 8.22 143448 3627157 1948883 11.19 662012 4357936 39993 07:20:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:16 lo 0.31 0.31 0.03 0.03 0.00 0.00 0.00 0.00 07:30:16 ens3 62.71 50.21 744.65 8.41 0.00 0.00 0.00 0.00 07:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 lo 1.44 1.44 0.14 0.14 0.00 0.00 0.00 0.00 07:40:01 ens3 66.04 51.88 100.07 17.70 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:16 lo 1674.41 1674.41 1587.59 1587.59 0.00 0.00 0.00 0.00 07:50:16 ens3 98.82 83.09 405.78 101.94 0.00 0.00 0.00 0.00 07:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 572.40 572.40 542.23 542.23 0.00 0.00 0.00 0.00 Average: ens3 76.13 61.98 419.33 43.37 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-573) 07/30/26 _x86_64_ (4 CPU) 07:18:41 LINUX RESTART (4 CPU) 07:20:16 CPU %user %nice %system %iowait %steal %idle 07:30:16 all 7.75 0.00 0.41 0.76 0.03 91.05 07:30:16 0 7.34 0.00 0.39 0.65 0.02 91.60 07:30:16 1 7.71 0.00 0.38 0.92 0.03 90.95 07:30:16 2 8.68 0.00 0.41 1.38 0.03 89.50 07:30:16 3 7.28 0.00 0.45 0.09 0.04 92.15 07:40:01 all 73.06 0.00 2.18 0.03 0.11 24.62 07:40:01 0 70.79 0.00 1.79 0.03 0.11 27.28 07:40:01 1 74.04 0.00 2.21 0.01 0.11 23.62 07:40:01 2 73.33 0.00 2.37 0.03 0.11 24.16 07:40:01 3 74.06 0.00 2.37 0.04 0.11 23.41 07:50:16 all 51.74 0.00 2.25 0.17 0.09 45.75 07:50:16 0 54.45 0.00 2.03 0.08 0.09 43.35 07:50:16 1 50.58 0.00 2.36 0.05 0.09 46.93 07:50:16 2 51.22 0.00 2.19 0.06 0.09 46.43 07:50:16 3 50.72 0.00 2.41 0.47 0.09 46.31 Average: all 43.97 0.00 1.61 0.32 0.08 54.02 Average: 0 44.04 0.00 1.40 0.25 0.07 54.23 Average: 1 43.86 0.00 1.65 0.33 0.08 54.08 Average: 2 44.17 0.00 1.65 0.49 0.08 53.61 Average: 3 43.81 0.00 1.74 0.20 0.08 54.16