---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26133 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 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 683 10485 4 4820 14962 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:15:16:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84168sec preferred_lft 84168sec inet6 fe80::f816:3eff:fe15:1686/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:c6:8c:bd:1a:22 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-26133) 06/09/26 _x86_64_ (4 CPU) 08:05:52 LINUX RESTART (4 CPU) 08:10:38 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:38 9.86 1.96 7.52 0.38 125.83 1934.41 946.60 08:30:38 9.98 0.47 8.42 1.09 18.11 2046.29 3211.85 08:40:38 26.35 0.71 21.59 4.06 23.47 3532.51 4951.29 Average: 15.40 1.05 12.51 1.84 55.80 2504.40 3036.58 08:10:38 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:38 11189044 14316000 1646852 10.06 120456 3150840 1997660 11.47 508612 4323460 55748 08:30:38 9920668 13609208 2347612 14.34 148896 3628112 2576620 14.79 656832 5377192 20276 08:40:38 10808204 15383688 567316 3.46 171984 4435112 1096560 6.29 895056 4165336 8 Average: 10639305 14436299 1520593 9.29 147112 3738021 1890280 10.85 686833 4621996 25344 08:10:38 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:38 lo 0.56 0.56 0.05 0.05 0.00 0.00 0.00 0.00 08:20:38 ens3 71.54 56.45 696.39 10.60 0.00 0.00 0.00 0.00 08:20:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:38 lo 1.42 1.42 0.14 0.14 0.00 0.00 0.00 0.00 08:30:38 ens3 63.61 46.59 52.67 16.98 0.00 0.00 0.00 0.00 08:30:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:38 lo 1709.60 1709.60 1621.35 1621.35 0.00 0.00 0.00 0.00 08:40:38 ens3 82.39 72.19 400.43 102.20 0.00 0.00 0.00 0.00 08:40:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 570.53 570.53 540.52 540.52 0.00 0.00 0.00 0.00 Average: ens3 72.52 58.41 383.16 43.26 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-26133) 06/09/26 _x86_64_ (4 CPU) 08:05:52 LINUX RESTART (4 CPU) 08:10:38 CPU %user %nice %system %iowait %steal %idle 08:20:38 all 29.36 0.00 0.98 0.12 0.06 69.48 08:20:38 0 29.32 0.00 0.89 0.13 0.06 69.61 08:20:38 1 30.44 0.00 0.95 0.14 0.07 68.41 08:20:38 2 28.56 0.00 1.01 0.07 0.06 70.29 08:20:38 3 29.12 0.00 1.06 0.13 0.07 69.62 08:30:38 all 72.06 0.00 2.29 0.07 0.14 25.44 08:30:38 0 73.57 0.00 2.46 0.05 0.14 23.78 08:30:38 1 69.67 0.00 2.05 0.09 0.13 28.05 08:30:38 2 73.83 0.00 2.43 0.04 0.14 23.57 08:30:38 3 71.16 0.00 2.21 0.12 0.13 26.37 08:40:38 all 37.49 0.00 1.90 0.10 0.08 60.42 08:40:38 0 41.40 0.00 1.56 0.10 0.09 56.86 08:40:38 1 35.74 0.00 1.61 0.07 0.08 62.51 08:40:38 2 37.94 0.00 2.28 0.15 0.08 59.54 08:40:38 3 34.88 0.00 2.15 0.11 0.08 62.78 Average: all 46.30 0.00 1.72 0.10 0.10 51.79 Average: 0 48.09 0.00 1.63 0.09 0.10 50.09 Average: 1 45.28 0.00 1.54 0.10 0.09 52.99 Average: 2 46.78 0.00 1.91 0.09 0.10 51.13 Average: 3 45.04 0.00 1.81 0.12 0.09 52.94