---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14286 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 66G 16% / 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 656 8766 4 6565 14989 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:e2:c4:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.140/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83995sec preferred_lft 83995sec inet6 fe80::f816:3eff:fee2:c418/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:4a:8a:66:1d:5b 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-14286) 05/14/26 _x86_64_ (4 CPU) 05:23:21 LINUX RESTART (4 CPU) 05:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 24.31 0.42 21.05 2.84 18.97 2659.70 5827.86 05:50:09 30.58 0.01 27.40 3.17 0.14 2436.50 12992.99 06:00:10 29.31 0.32 13.57 15.43 11.87 7912.91 278919.04 Average: 28.08 0.25 20.70 7.12 10.29 4327.18 98820.12 05:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 9459668 13196640 2761440 16.87 139336 3718440 2862160 16.43 816888 5707696 4716 05:50:09 9010088 13160260 2794128 17.07 161496 4078660 2755860 15.82 928648 5997692 17828 06:00:10 8993548 15356472 590956 3.61 176544 6203552 1104968 6.34 1694608 5149600 1896 Average: 9154435 13904457 2048841 12.51 159125 4666884 2240996 12.86 1146715 5618329 8147 05:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1393.18 1393.18 1321.52 1321.52 0.00 0.00 0.00 0.00 05:40:01 ens3 52.00 41.18 54.62 13.73 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:09 lo 1407.64 1407.64 1341.38 1341.38 0.00 0.00 0.00 0.00 05:50:09 ens3 39.41 29.59 34.71 10.41 0.00 0.00 0.00 0.00 05:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:10 lo 331.61 331.61 6923.43 6923.43 0.00 0.00 0.00 0.00 06:00:10 ens3 43.43 45.22 105.35 361.93 0.00 0.00 0.00 0.00 06:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1045.92 1045.92 3186.35 3186.35 0.00 0.00 0.00 0.00 Average: ens3 44.93 38.62 64.76 128.11 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-14286) 05/14/26 _x86_64_ (4 CPU) 05:23:21 LINUX RESTART (4 CPU) 05:30:00 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 70.71 0.00 2.56 0.14 0.15 26.44 05:40:01 0 70.72 0.00 2.48 0.21 0.15 26.45 05:40:01 1 70.55 0.00 2.44 0.12 0.15 26.74 05:40:01 2 71.40 0.00 2.48 0.06 0.14 25.92 05:40:01 3 70.15 0.00 2.83 0.20 0.15 26.67 05:50:09 all 65.43 0.00 2.63 0.19 0.15 31.60 05:50:09 0 66.71 0.00 2.70 0.14 0.15 30.29 05:50:09 1 63.02 0.00 2.67 0.25 0.15 33.91 05:50:09 2 65.90 0.00 2.61 0.26 0.15 31.08 05:50:09 3 66.08 0.00 2.55 0.11 0.15 31.11 06:00:10 all 35.08 0.00 1.27 3.32 0.11 60.21 06:00:10 0 34.27 0.00 1.04 1.60 0.11 62.98 06:00:10 1 33.19 0.00 1.17 4.68 0.11 60.85 06:00:10 2 35.74 0.00 1.49 3.88 0.12 58.77 06:00:10 3 37.14 0.00 1.38 3.14 0.11 58.24 Average: all 57.10 0.00 2.16 1.22 0.14 39.40 Average: 0 57.26 0.00 2.07 0.65 0.14 39.88 Average: 1 55.60 0.00 2.10 1.68 0.14 40.49 Average: 2 57.70 0.00 2.20 1.40 0.14 38.57 Average: 3 57.83 0.00 2.25 1.14 0.14 38.64