---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26475 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 68G 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 662 10496 4 4829 14983 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:6b:a8:da brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82978sec preferred_lft 82978sec inet6 fe80::f816:3eff:fe6b:a8da/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:cb:3a:a1:b5:00 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-26475) 06/10/26 _x86_64_ (4 CPU) 15:27:30 LINUX RESTART (4 CPU) 15:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 2.40 0.05 2.34 0.01 2.19 40.17 0.59 15:50:01 1.89 0.01 1.88 0.00 0.04 33.08 0.00 16:00:01 1.62 0.00 1.62 0.00 0.00 25.06 0.00 16:10:01 28.92 2.31 11.88 14.74 138.80 3310.75 240927.21 16:20:01 32.02 0.79 26.81 4.42 27.03 4217.90 5338.91 Average: 13.37 0.63 8.90 3.83 33.61 1525.02 49259.35 15:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 13042216 15510540 464888 2.84 98052 2559796 989904 5.68 335436 2655084 44 15:50:01 13033768 15503992 471316 2.88 99576 2559960 990412 5.68 336972 2660900 132 16:00:01 13024580 15495920 479240 2.93 100500 2560044 990496 5.69 337896 2664808 100 16:10:01 10411972 13945400 2012520 12.29 145720 3489584 2313752 13.28 626916 4932100 46012 16:20:01 10815516 15400600 550548 3.36 174640 4440668 1104224 6.34 902324 4169764 320 Average: 12065610 15171290 795702 4.86 123698 3122010 1277758 7.33 507909 3416531 9322 15:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 15:40:01 ens3 6.84 5.74 93.52 0.84 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:50:01 ens3 6.55 5.45 96.22 0.73 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:00:01 ens3 3.51 2.67 46.58 0.43 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 16:10:01 ens3 116.76 89.10 608.99 22.29 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 lo 1737.97 1737.97 1653.02 1653.02 0.00 0.00 0.00 0.00 16:20:01 ens3 92.78 72.39 407.23 64.09 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 347.74 347.74 330.46 330.46 0.00 0.00 0.00 0.00 Average: ens3 45.28 35.07 250.47 17.67 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-26475) 06/10/26 _x86_64_ (4 CPU) 15:27:30 LINUX RESTART (4 CPU) 15:30:01 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 0.23 0.00 0.05 0.03 0.01 99.68 15:40:01 0 0.04 0.00 0.03 0.10 0.02 99.82 15:40:01 1 0.05 0.00 0.03 0.00 0.01 99.91 15:40:01 2 0.61 0.00 0.04 0.02 0.02 99.30 15:40:01 3 0.21 0.00 0.09 0.01 0.02 99.68 15:50:01 all 0.33 0.00 0.04 0.01 0.02 99.60 15:50:01 0 0.02 0.00 0.04 0.01 0.02 99.92 15:50:01 1 0.03 0.00 0.02 0.00 0.01 99.94 15:50:01 2 0.48 0.00 0.03 0.01 0.02 99.47 15:50:01 3 0.81 0.00 0.07 0.02 0.01 99.08 16:00:01 all 0.12 0.00 0.03 0.01 0.01 99.82 16:00:01 0 0.01 0.00 0.03 0.00 0.02 99.93 16:00:01 1 0.06 0.00 0.02 0.00 0.01 99.90 16:00:01 2 0.34 0.00 0.04 0.00 0.02 99.61 16:00:01 3 0.07 0.00 0.04 0.02 0.01 99.85 16:10:01 all 72.04 0.00 2.29 0.07 0.10 25.50 16:10:01 0 73.97 0.00 2.96 0.07 0.10 22.89 16:10:01 1 70.90 0.00 2.32 0.15 0.10 26.52 16:10:01 2 71.22 0.00 1.81 0.03 0.10 26.83 16:10:01 3 72.06 0.00 2.05 0.02 0.10 25.77 16:20:01 all 58.58 0.00 2.43 0.08 0.08 38.82 16:20:01 0 55.91 0.00 2.20 0.06 0.08 41.75 16:20:01 1 60.27 0.00 2.85 0.11 0.08 36.68 16:20:01 2 61.11 0.00 2.27 0.10 0.09 36.43 16:20:01 3 57.05 0.00 2.40 0.05 0.09 40.42 Average: all 26.21 0.00 0.97 0.04 0.05 72.74 Average: 0 25.94 0.00 1.05 0.05 0.05 72.92 Average: 1 26.22 0.00 1.05 0.05 0.04 72.64 Average: 2 26.69 0.00 0.84 0.03 0.05 72.39 Average: 3 25.98 0.00 0.93 0.02 0.05 73.03