---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26132 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 687 10289 4 5012 14959 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:95:0f:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.32/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84243sec preferred_lft 84243sec inet6 fe80::f816:3eff:fe95:f4b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:57:1b:f7:67:84 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-26132) 06/09/26 _x86_64_ (4 CPU) 08:05:30 LINUX RESTART (4 CPU) 08:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:21 24.17 2.12 8.73 13.32 322.67 2092.54 234156.31 08:30:21 16.29 0.79 14.42 1.09 27.33 2684.74 2663.68 08:40:01 27.71 0.41 23.59 3.71 14.06 3224.64 12488.68 Average: 22.69 1.12 15.42 6.14 124.71 2655.01 85509.26 08:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:21 10727072 13948948 2012532 12.29 121392 3245504 2368840 13.60 570860 4719164 31720 08:30:21 8931908 13226836 2725228 16.64 164932 4179776 2774000 15.92 800468 6140644 298240 08:40:01 10571216 15343764 605892 3.70 173960 4622316 1106412 6.35 976584 4298976 264 Average: 10076732 14173183 1781217 10.88 153428 4015865 2083084 11.96 782637 5052928 110075 08:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:21 lo 0.56 0.56 0.05 0.05 0.00 0.00 0.00 0.00 08:20:21 ens3 95.56 68.42 700.22 11.75 0.00 0.00 0.00 0.00 08:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:21 lo 106.30 106.30 100.22 100.22 0.00 0.00 0.00 0.00 08:30:21 ens3 83.92 60.29 424.87 18.88 0.00 0.00 0.00 0.00 08:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 1495.34 1495.34 1413.96 1413.96 0.00 0.00 0.00 0.00 08:40:01 ens3 76.98 73.23 130.50 162.29 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 517.83 517.83 489.39 489.39 0.00 0.00 0.00 0.00 Average: ens3 85.69 67.26 424.72 62.67 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-26132) 06/09/26 _x86_64_ (4 CPU) 08:05:30 LINUX RESTART (4 CPU) 08:10:01 CPU %user %nice %system %iowait %steal %idle 08:20:21 all 26.96 0.00 0.94 0.17 0.06 71.87 08:20:21 0 26.07 0.00 0.99 0.11 0.06 72.77 08:20:21 1 26.98 0.00 0.83 0.26 0.06 71.87 08:20:21 2 26.97 0.00 1.10 0.13 0.06 71.74 08:20:21 3 27.83 0.00 0.84 0.19 0.06 71.08 08:30:21 all 72.98 0.00 2.33 0.05 0.13 24.50 08:30:21 0 74.82 0.00 2.73 0.06 0.13 22.27 08:30:21 1 70.83 0.00 2.03 0.07 0.13 26.94 08:30:21 2 73.53 0.00 2.25 0.03 0.12 24.06 08:30:21 3 72.75 0.00 2.31 0.06 0.13 24.75 08:40:01 all 32.11 0.00 1.68 0.37 0.08 65.75 08:40:01 0 34.27 0.00 1.67 0.40 0.09 63.57 08:40:01 1 30.62 0.00 1.57 0.73 0.08 67.00 08:40:01 2 34.59 0.00 1.95 0.13 0.09 63.25 08:40:01 3 28.97 0.00 1.52 0.23 0.08 69.19 Average: all 43.95 0.00 1.64 0.20 0.09 54.12 Average: 0 44.96 0.00 1.79 0.18 0.09 52.97 Average: 1 42.75 0.00 1.47 0.35 0.09 55.35 Average: 2 44.94 0.00 1.76 0.09 0.09 53.12 Average: 3 43.17 0.00 1.55 0.16 0.09 55.03