---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1737 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 671 10393 4 4924 14975 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:f4:29:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.246/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83324sec preferred_lft 83324sec inet6 fe80::f816:3eff:fef4:29f9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:0d:6c:f4:5b:7c 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-1737) 08/03/26 _x86_64_ (4 CPU) 08:07:16 LINUX RESTART (4 CPU) 08:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:00 25.63 6.02 6.46 13.14 1143.07 4329.20 244016.74 08:30:00 23.60 2.24 20.75 0.62 133.95 2589.21 1363.84 08:40:00 13.26 1.92 10.83 0.51 124.04 2334.12 2229.29 08:50:00 19.81 0.77 17.06 1.98 27.91 3199.77 3433.23 Average: 20.58 2.74 13.77 4.06 357.31 3113.19 62778.14 08:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:00 13656424 15508680 507760 3.10 57244 2021028 1148520 6.59 231060 2220544 8 08:30:00 12963120 15535768 436632 2.67 102036 2658808 994572 5.71 376912 2718128 4 08:40:00 10607344 13935100 2024864 12.37 130616 3327220 2357936 13.53 572644 4807304 33272 08:50:00 8943728 13245248 2706224 16.53 169124 4181448 2953868 16.96 799784 6160212 91356 Average: 11542654 14556199 1418870 8.67 114755 3047126 1863724 10.70 495100 3976547 31160 08:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:00 lo 0.18 0.18 0.02 0.02 0.00 0.00 0.00 0.00 08:20:00 ens3 17.86 10.43 122.87 2.15 0.00 0.00 0.00 0.00 08:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:00 lo 0.29 0.29 0.03 0.03 0.00 0.00 0.00 0.00 08:30:00 ens3 57.51 43.12 466.01 8.42 0.00 0.00 0.00 0.00 08:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:00 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 08:40:00 ens3 82.09 66.74 691.48 13.52 0.00 0.00 0.00 0.00 08:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:00 lo 694.11 694.11 660.87 660.87 0.00 0.00 0.00 0.00 08:50:00 ens3 86.58 63.41 330.20 18.22 0.00 0.00 0.00 0.00 08:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 173.81 173.81 165.23 165.23 0.00 0.00 0.00 0.00 Average: ens3 61.01 45.92 402.61 10.57 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-1737) 08/03/26 _x86_64_ (4 CPU) 08:07:16 LINUX RESTART (4 CPU) 08:10:00 CPU %user %nice %system %iowait %steal %idle 08:20:00 all 0.70 0.00 0.25 0.69 0.02 98.34 08:20:00 0 1.06 0.00 0.29 0.18 0.01 98.45 08:20:00 1 0.48 0.00 0.25 0.75 0.02 98.51 08:20:00 2 0.92 0.00 0.19 1.26 0.02 97.61 08:20:00 3 0.34 0.00 0.28 0.57 0.01 98.79 08:30:00 all 2.80 0.00 0.36 0.86 0.02 95.95 08:30:00 0 5.03 0.00 0.43 0.73 0.03 93.77 08:30:00 1 2.96 0.00 0.35 0.16 0.02 96.50 08:30:00 2 1.41 0.00 0.35 0.19 0.02 98.03 08:30:00 3 1.81 0.00 0.29 2.37 0.02 95.51 08:40:00 all 39.22 0.00 1.30 0.07 0.07 59.34 08:40:00 0 40.66 0.00 1.36 0.06 0.08 57.84 08:40:00 1 39.66 0.00 1.38 0.03 0.07 58.85 08:40:00 2 38.69 0.00 1.29 0.12 0.08 59.82 08:40:00 3 37.85 0.00 1.17 0.06 0.07 60.85 08:50:00 all 68.58 0.00 2.57 0.53 0.12 28.19 08:50:00 0 69.04 0.00 3.05 0.39 0.12 27.40 08:50:00 1 67.54 0.00 2.57 0.72 0.11 29.05 08:50:00 2 68.91 0.00 2.18 0.46 0.12 28.33 08:50:00 3 68.86 0.00 2.48 0.55 0.13 27.99 Average: all 27.76 0.00 1.12 0.54 0.06 70.52 Average: 0 28.88 0.00 1.28 0.34 0.06 69.44 Average: 1 27.63 0.00 1.14 0.42 0.06 70.76 Average: 2 27.40 0.00 1.00 0.51 0.06 71.03 Average: 3 27.15 0.00 1.05 0.89 0.06 70.86