---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32108 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 698 8270 4 7020 14948 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:43:c1:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.142/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83954sec preferred_lft 83954sec inet6 fe80::f816:3eff:fe43:c15f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:9e:eb:4a:ce:4a 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-32108) 07/01/26 _x86_64_ (4 CPU) 11:43:32 LINUX RESTART (4 CPU) 11:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:01 35.55 0.08 19.14 16.34 7.31 2148.24 259244.61 12:10:11 33.12 0.02 29.67 3.43 0.25 4501.81 34363.73 12:20:11 11.24 0.03 9.99 1.23 0.73 6226.55 51477.29 Average: 26.62 0.04 19.66 6.93 2.72 4305.67 113741.72 11:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:01 8505768 12402724 3554244 21.71 145680 3849796 3468476 19.91 745372 6709712 187420 12:10:11 7401152 12155620 3796964 23.19 163416 4650988 3568788 20.48 1008304 7498452 2556 12:20:11 8565760 15382756 563628 3.44 179292 6630964 1065480 6.12 1756388 5502760 331820 Average: 8157560 13313700 2638279 16.11 162796 5043916 2700915 15.50 1170021 6570308 173932 11:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:01 lo 1302.53 1302.53 1234.91 1234.91 0.00 0.00 0.00 0.00 12:00:01 ens3 44.30 34.68 45.22 10.93 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:11 lo 1376.49 1376.49 1311.00 1311.00 0.00 0.00 0.00 0.00 12:10:11 ens3 45.66 34.61 29.26 11.95 0.00 0.00 0.00 0.00 12:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:11 lo 2568.30 2568.30 9298.05 9298.05 0.00 0.00 0.00 0.00 12:20:11 ens3 22.77 19.99 126.94 5.04 0.00 0.00 0.00 0.00 12:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1749.53 1749.53 3948.42 3948.42 0.00 0.00 0.00 0.00 Average: ens3 37.59 29.76 67.04 9.31 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-32108) 07/01/26 _x86_64_ (4 CPU) 11:43:32 LINUX RESTART (4 CPU) 11:50:11 CPU %user %nice %system %iowait %steal %idle 12:00:01 all 65.81 0.00 2.23 0.05 0.11 31.79 12:00:01 0 65.25 0.00 2.06 0.08 0.11 32.49 12:00:01 1 64.99 0.00 2.66 0.04 0.11 32.20 12:00:01 2 66.55 0.00 2.39 0.05 0.11 30.90 12:00:01 3 66.45 0.00 1.83 0.04 0.12 31.57 12:10:11 all 61.81 0.00 2.54 0.11 0.11 35.43 12:10:11 0 60.64 0.00 2.58 0.21 0.11 36.46 12:10:11 1 61.41 0.00 2.61 0.04 0.10 35.84 12:10:11 2 62.15 0.00 2.20 0.05 0.10 35.49 12:10:11 3 63.05 0.00 2.76 0.14 0.11 33.94 12:20:11 all 32.02 0.00 1.32 0.13 0.08 66.44 12:20:11 0 32.09 0.00 1.71 0.15 0.09 65.96 12:20:11 1 28.51 0.00 0.98 0.06 0.09 70.36 12:20:11 2 34.39 0.00 1.37 0.26 0.09 63.90 12:20:11 3 33.11 0.00 1.24 0.03 0.07 65.55 Average: all 53.17 0.00 2.03 0.10 0.10 44.59 Average: 0 52.62 0.00 2.12 0.15 0.10 45.01 Average: 1 51.59 0.00 2.08 0.05 0.10 46.18 Average: 2 54.32 0.00 1.99 0.12 0.10 43.47 Average: 3 54.17 0.00 1.95 0.07 0.10 43.71