---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28251 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 67G 15% / 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 727 9295 4 5966 14919 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:76:0b:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84414sec preferred_lft 84414sec inet6 fe80::f816:3eff:fe76:b67/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:2a:f9:46:74:62 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-28251) 06/18/26 _x86_64_ (4 CPU) 06:28:20 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:10 44.00 3.75 25.76 14.49 552.26 5995.45 249371.83 06:50:12 34.91 0.05 31.02 3.84 1.73 3445.63 17312.94 07:00:01 24.08 0.31 20.96 2.82 12.44 5808.34 80558.81 Average: 34.44 1.39 25.95 7.11 191.51 5082.23 116545.82 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:10 8667608 12843372 3110840 19.00 158048 4098096 3297556 18.93 854088 6395588 213296 06:50:12 8633892 13205856 2744444 16.76 184180 4428020 2985924 17.14 994900 6268552 17840 07:00:01 9583544 15332056 612068 3.74 205940 5515044 1119192 6.42 1082672 5138504 9580 Average: 8961681 13793761 2155784 13.17 182723 4680387 2467557 14.16 977220 5934215 80239 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:10 lo 403.88 403.88 384.71 384.71 0.00 0.00 0.00 0.00 06:40:10 ens3 112.64 84.08 1085.04 17.10 0.00 0.00 0.00 0.00 06:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:12 lo 1711.68 1711.68 1631.65 1631.65 0.00 0.00 0.00 0.00 06:50:12 ens3 44.46 36.55 128.03 11.37 0.00 0.00 0.00 0.00 06:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 114.14 114.14 98.52 98.52 0.00 0.00 0.00 0.00 07:00:01 ens3 84.24 80.95 125.06 234.45 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 745.94 745.94 707.60 707.60 0.00 0.00 0.00 0.00 Average: ens3 80.56 67.17 450.87 86.37 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-28251) 06/18/26 _x86_64_ (4 CPU) 06:28:20 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:10 all 44.28 0.00 1.74 1.22 0.08 52.68 06:40:10 0 43.64 0.00 1.76 2.50 0.08 52.02 06:40:10 1 46.93 0.00 1.69 0.30 0.09 50.99 06:40:10 2 42.74 0.00 1.65 0.70 0.08 54.83 06:40:10 3 43.79 0.00 1.86 1.39 0.08 52.88 06:50:12 all 61.17 0.00 2.60 1.58 0.11 34.54 06:50:12 0 60.22 0.00 2.42 0.92 0.11 36.33 06:50:12 1 59.38 0.00 2.69 2.10 0.11 35.72 06:50:12 2 63.89 0.00 2.82 0.78 0.10 32.40 06:50:12 3 61.20 0.00 2.46 2.51 0.11 33.71 07:00:01 all 47.56 0.00 1.68 0.18 0.08 50.50 07:00:01 0 49.57 0.00 1.95 0.09 0.08 48.31 07:00:01 1 44.54 0.00 1.47 0.25 0.08 53.66 07:00:01 2 50.20 0.00 1.54 0.03 0.09 48.14 07:00:01 3 45.91 0.00 1.78 0.33 0.08 51.89 Average: all 50.99 0.00 2.01 1.00 0.09 45.91 Average: 0 51.12 0.00 2.04 1.18 0.09 45.56 Average: 1 50.30 0.00 1.95 0.88 0.09 46.77 Average: 2 52.24 0.00 2.00 0.51 0.09 45.15 Average: 3 50.30 0.00 2.04 1.41 0.09 46.16