---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28324 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 667 8296 4 7025 14979 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:21:79:b3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83906sec preferred_lft 83906sec inet6 fe80::f816:3eff:fe21:79b3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:f9:91:c5:f1:60 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-28324) 06/18/26 _x86_64_ (4 CPU) 09:09:04 LINUX RESTART (4 CPU) 09:10:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:26 37.38 3.91 30.30 3.17 200.07 5514.56 4732.51 09:30:01 23.36 0.02 20.85 2.49 0.25 1998.22 19920.97 09:40:28 34.04 0.03 18.86 15.15 0.47 3487.29 245133.02 09:50:16 16.20 0.32 13.61 2.27 14.35 7695.31 66065.59 Average: 27.91 1.07 20.91 5.93 53.81 4673.40 86594.50 09:10:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:26 9998088 13514816 2443952 14.93 135680 3506104 2597572 14.91 659836 5331548 18184 09:30:01 8541780 12420272 3535832 21.60 151316 3822128 3612604 20.74 755640 6661748 26404 09:40:28 5567956 10360224 5592136 34.15 164360 4685988 5569016 31.97 1025216 9301572 29748 09:50:16 8559872 15397768 546756 3.34 181228 6648952 1082136 6.21 1774156 5500368 12360 Average: 8166924 12923270 3029669 18.50 158146 4665793 3215332 18.46 1053712 6698809 21674 09:10:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:26 lo 1471.12 1471.12 1395.90 1395.90 0.00 0.00 0.00 0.00 09:20:26 ens3 133.26 104.00 1082.23 21.78 0.00 0.00 0.00 0.00 09:20:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 lo 1107.77 1107.77 1055.27 1055.27 0.00 0.00 0.00 0.00 09:30:01 ens3 33.64 27.38 17.16 9.71 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:28 lo 683.94 683.94 687.80 687.80 0.00 0.00 0.00 0.00 09:40:28 ens3 36.24 25.61 24.48 13.06 0.00 0.00 0.00 0.00 09:40:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:16 lo 2608.22 2608.22 9421.03 9421.03 0.00 0.00 0.00 0.00 09:50:16 ens3 100.86 112.35 156.16 1277.45 0.00 0.00 0.00 0.00 09:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1457.30 1457.30 3105.90 3105.90 0.00 0.00 0.00 0.00 Average: ens3 75.83 67.04 319.98 326.05 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-28324) 06/18/26 _x86_64_ (4 CPU) 09:09:04 LINUX RESTART (4 CPU) 09:10:28 CPU %user %nice %system %iowait %steal %idle 09:20:26 all 56.18 0.00 2.33 0.29 0.10 41.09 09:20:26 0 56.82 0.00 2.09 0.08 0.10 40.91 09:20:26 1 58.13 0.00 2.46 0.45 0.11 38.85 09:20:26 2 56.30 0.00 2.50 0.39 0.11 40.71 09:20:26 3 53.49 0.00 2.26 0.23 0.11 43.91 09:30:01 all 63.88 0.00 2.19 0.70 0.11 33.13 09:30:01 0 62.67 0.00 2.32 0.88 0.10 34.01 09:30:01 1 63.93 0.00 1.96 0.28 0.11 33.71 09:30:01 2 65.50 0.00 2.36 0.52 0.11 31.51 09:30:01 3 63.41 0.00 2.11 1.10 0.11 33.27 09:40:28 all 39.05 0.00 1.69 0.58 0.09 58.59 09:40:28 0 40.36 0.00 1.70 0.20 0.09 57.65 09:40:28 1 37.02 0.00 1.67 0.70 0.09 60.51 09:40:28 2 38.37 0.00 1.63 0.40 0.09 59.51 09:40:28 3 40.44 0.00 1.75 1.03 0.10 56.68 09:50:16 all 34.66 0.00 1.43 0.44 0.08 63.39 09:50:16 0 35.10 0.00 1.72 0.62 0.08 62.48 09:50:16 1 27.41 0.00 1.14 0.25 0.07 71.12 09:50:16 2 40.33 0.00 1.53 0.69 0.09 57.37 09:50:16 3 35.80 0.00 1.34 0.22 0.08 62.56 Average: all 48.23 0.00 1.91 0.50 0.10 49.27 Average: 0 48.55 0.00 1.95 0.44 0.09 48.97 Average: 1 46.40 0.00 1.81 0.43 0.10 51.27 Average: 2 49.87 0.00 2.00 0.50 0.10 47.54 Average: 3 48.09 0.00 1.86 0.65 0.10 49.30