---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30276 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 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 759 9177 4 6053 14887 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:28:35:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83967sec preferred_lft 83967sec inet6 fe80::f816:3eff:fe28:3577/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:69:e2:a8:5e:10 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-30276) 06/24/26 _x86_64_ (4 CPU) 20:22:31 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:03 25.81 0.44 22.87 2.50 14.28 4660.63 6544.66 20:50:03 53.70 0.00 42.58 11.13 0.00 2622.79 27482.73 21:00:01 24.51 0.30 20.37 3.84 11.70 4430.87 8619.39 Average: 34.67 0.25 28.61 5.82 8.66 3905.07 14212.67 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:03 8996268 13423552 2528040 15.44 188116 4287056 2704416 15.52 891564 6000368 47172 20:50:03 8526312 13265548 2682660 16.38 216104 4538400 2834096 16.27 983660 6352616 23440 21:00:01 9534540 15365892 577744 3.53 245572 5544200 1116408 6.41 1346840 4912408 56 Average: 9019040 14018331 1929481 11.78 216597 4789885 2218307 12.73 1074021 5755131 23556 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:03 lo 942.55 942.55 898.12 898.12 0.00 0.00 0.00 0.00 20:40:03 ens3 93.15 71.36 322.81 20.12 0.00 0.00 0.00 0.00 20:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:03 lo 5535.76 5535.76 5279.26 5279.26 0.00 0.00 0.00 0.00 20:50:03 ens3 79.80 59.93 26.95 20.48 0.00 0.00 0.00 0.00 20:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 lo 1656.95 1656.95 1561.37 1561.37 0.00 0.00 0.00 0.00 21:00:01 ens3 114.65 108.53 118.30 173.46 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2710.88 2710.88 2578.76 2578.76 0.00 0.00 0.00 0.00 Average: ens3 95.85 79.91 156.22 71.21 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-30276) 06/24/26 _x86_64_ (4 CPU) 20:22:31 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:03 all 67.55 0.00 2.71 0.07 0.10 29.58 20:40:03 0 68.98 0.00 2.54 0.05 0.10 28.34 20:40:03 1 66.67 0.00 2.62 0.08 0.10 30.54 20:40:03 2 69.36 0.00 3.18 0.11 0.10 27.26 20:40:03 3 65.18 0.00 2.49 0.04 0.10 32.19 20:50:03 all 61.37 0.00 4.23 0.11 0.09 34.20 20:50:03 0 59.92 0.00 4.36 0.11 0.09 35.53 20:50:03 1 61.38 0.00 4.53 0.06 0.09 33.93 20:50:03 2 63.89 0.00 4.60 0.17 0.09 31.26 20:50:03 3 60.31 0.00 3.44 0.09 0.09 36.07 21:00:01 all 41.14 0.00 2.17 0.09 0.07 56.54 21:00:01 0 41.05 0.00 2.34 0.15 0.07 56.41 21:00:01 1 37.88 0.00 2.05 0.05 0.07 59.95 21:00:01 2 42.27 0.00 2.14 0.07 0.07 55.44 21:00:01 3 43.36 0.00 2.13 0.08 0.07 54.37 Average: all 56.70 0.00 3.03 0.09 0.09 40.09 Average: 0 56.66 0.00 3.08 0.10 0.08 40.08 Average: 1 55.33 0.00 3.07 0.06 0.08 41.46 Average: 2 58.53 0.00 3.31 0.12 0.09 37.96 Average: 3 56.30 0.00 2.69 0.07 0.09 40.86