---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23763 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 65G 17% / 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 659 8308 4 7021 14987 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:9c:8f:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.246/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83943sec preferred_lft 83943sec inet6 fe80::f816:3eff:fe9c:8f61/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:bb:e2:57:a0:23 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-23763) 06/04/26 _x86_64_ (4 CPU) 20:43:34 LINUX RESTART (4 CPU) 20:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:00:01 21.06 0.07 18.70 2.29 6.80 2096.09 3615.09 21:10:20 32.37 0.03 29.10 3.24 0.46 4383.67 9389.54 21:20:16 10.29 0.30 8.81 1.17 11.54 6276.95 902.98 Average: 21.39 0.13 19.00 2.25 6.20 4251.97 4696.66 20:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:00:01 8292744 12197220 3759400 22.96 145960 3857136 3755856 21.56 747620 6919536 185512 21:10:20 7261648 12013260 3939116 24.06 165996 4646128 3781648 21.71 1006068 7633584 1556 21:20:16 8560036 15384744 561584 3.43 183876 6634488 1127104 6.47 1756908 5521860 346436 Average: 8038143 13198408 2753367 16.82 165277 5045917 2888203 16.58 1170199 6691660 177835 20:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:00:01 lo 1213.95 1213.95 1150.55 1150.55 0.00 0.00 0.00 0.00 21:00:01 ens3 39.70 32.57 44.04 10.72 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 21:10:20 lo 1251.35 1251.35 1188.35 1188.35 0.00 0.00 0.00 0.00 21:10:20 ens3 36.40 30.72 28.22 11.60 0.00 0.00 0.00 0.00 21:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:16 lo 2576.40 2576.40 9356.19 9356.19 0.00 0.00 0.00 0.00 21:20:16 ens3 24.49 20.52 128.03 5.16 0.00 0.00 0.00 0.00 21:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1674.57 1674.57 3860.66 3860.66 0.00 0.00 0.00 0.00 Average: ens3 33.57 27.98 66.24 9.19 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-23763) 06/04/26 _x86_64_ (4 CPU) 20:43:34 LINUX RESTART (4 CPU) 20:50:03 CPU %user %nice %system %iowait %steal %idle 21:00:01 all 65.23 0.00 2.17 0.20 0.11 32.29 21:00:01 0 65.67 0.00 2.34 0.14 0.11 31.74 21:00:01 1 66.92 0.00 2.17 0.19 0.11 30.61 21:00:01 2 63.23 0.00 1.98 0.28 0.11 34.39 21:00:01 3 65.11 0.00 2.20 0.17 0.11 32.40 21:10:20 all 58.64 0.00 2.41 0.54 0.11 38.31 21:10:20 0 57.31 0.00 2.35 0.67 0.11 39.56 21:10:20 1 58.31 0.00 2.65 0.69 0.11 38.24 21:10:20 2 60.01 0.00 2.32 0.49 0.11 37.07 21:10:20 3 58.92 0.00 2.32 0.31 0.11 38.34 21:20:16 all 32.65 0.00 1.33 0.64 0.08 65.30 21:20:16 0 30.48 0.00 0.74 0.16 0.07 68.56 21:20:16 1 25.22 0.00 1.72 0.56 0.08 72.43 21:20:16 2 37.25 0.00 1.09 0.55 0.08 61.02 21:20:16 3 37.64 0.00 1.78 1.31 0.08 59.19 Average: all 52.25 0.00 1.98 0.46 0.10 45.21 Average: 0 51.22 0.00 1.81 0.33 0.10 46.54 Average: 1 50.26 0.00 2.19 0.48 0.10 46.97 Average: 2 53.59 0.00 1.80 0.44 0.10 44.07 Average: 3 53.94 0.00 2.10 0.60 0.10 43.27