---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32420 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: 5600.00 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 661 8211 4 7116 14985 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:6c:43:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.50/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81437sec preferred_lft 81437sec inet6 fe80::f816:3eff:fe6c:432b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:51:b5:a4:64:56 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-32420) 07/02/26 _x86_64_ (4 CPU) 18:23:51 LINUX RESTART (4 CPU) 18:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:07 1.21 0.00 1.20 0.00 0.04 14.92 0.56 18:50:07 13.98 0.00 1.18 12.80 0.15 13.37 242794.59 19:00:07 1.03 0.00 1.03 0.00 0.00 12.23 0.00 19:10:07 50.77 4.76 45.11 0.91 275.77 4701.23 3045.88 19:20:07 23.55 0.43 20.35 2.77 19.39 2413.76 13913.99 19:30:07 35.48 0.01 31.77 3.71 0.12 2630.16 26685.80 19:40:07 5.42 0.03 5.02 0.38 0.35 2825.19 51469.63 Average: 18.78 0.75 15.09 2.94 42.26 1801.55 48272.34 18:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:07 13666500 15512760 503676 3.08 57148 2014856 1149160 6.60 224748 2209996 200 18:50:07 13662616 15514232 502376 3.07 57716 2019612 1127820 6.47 230044 2210480 212 19:00:07 13662528 15514536 502092 3.07 58100 2019612 1136076 6.52 230424 2211456 264 19:10:07 10974852 14304376 1657660 10.12 124124 3359160 2170324 12.46 560316 4494680 145960 19:20:07 9436200 13195080 2762152 16.87 143264 3726112 2798992 16.07 733424 5795584 14692 19:30:07 8625588 12827804 3125764 19.09 166556 4113884 3243976 18.62 859868 6455096 30276 19:40:07 7601748 13038096 2911380 17.78 172108 5299348 2903936 16.67 1214640 7064956 544136 Average: 11090005 14272412 1709300 10.44 111288 3221798 2075755 11.91 579066 4348893 105106 18:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:07 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:40:07 ens3 0.36 0.14 0.08 0.04 0.00 0.00 0.00 0.00 18:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:07 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:50:07 ens3 0.21 0.09 0.04 0.02 0.00 0.00 0.00 0.00 18:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:07 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:00:07 ens3 0.23 0.11 0.06 0.04 0.00 0.00 0.00 0.00 19:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:07 lo 118.71 118.71 112.67 112.67 0.00 0.00 0.00 0.00 19:10:07 ens3 124.75 93.48 1256.30 15.67 0.00 0.00 0.00 0.00 19:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:07 lo 1347.20 1347.20 1277.70 1277.70 0.00 0.00 0.00 0.00 19:20:07 ens3 54.06 42.93 75.16 13.52 0.00 0.00 0.00 0.00 19:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:07 lo 1583.27 1583.27 1508.76 1508.76 0.00 0.00 0.00 0.00 19:30:07 ens3 42.72 33.54 22.61 12.14 0.00 0.00 0.00 0.00 19:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:07 lo 2566.20 2566.20 9295.62 9295.62 0.00 0.00 0.00 0.00 19:40:07 ens3 16.54 12.80 82.93 3.47 0.00 0.00 0.00 0.00 19:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 802.24 802.24 1742.11 1742.11 0.00 0.00 0.00 0.00 Average: ens3 34.12 26.16 205.31 6.41 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-32420) 07/02/26 _x86_64_ (4 CPU) 18:23:51 LINUX RESTART (4 CPU) 18:30:07 CPU %user %nice %system %iowait %steal %idle 18:40:07 all 0.08 0.00 0.03 0.01 0.01 99.87 18:40:07 0 0.01 0.00 0.01 0.01 0.01 99.97 18:40:07 1 0.16 0.00 0.04 0.03 0.01 99.75 18:40:07 2 0.04 0.00 0.05 0.00 0.02 99.89 18:40:07 3 0.12 0.00 0.01 0.00 0.00 99.86 18:50:07 all 0.32 0.00 0.04 0.02 0.01 99.60 18:50:07 0 0.02 0.00 0.03 0.01 0.01 99.94 18:50:07 1 0.05 0.00 0.04 0.01 0.01 99.89 18:50:07 2 1.20 0.00 0.05 0.00 0.02 98.73 18:50:07 3 0.03 0.00 0.04 0.07 0.00 99.86 19:00:07 all 0.11 0.00 0.03 0.01 0.01 99.85 19:00:07 0 0.01 0.00 0.01 0.01 0.01 99.96 19:00:07 1 0.03 0.00 0.03 0.00 0.01 99.93 19:00:07 2 0.36 0.00 0.04 0.00 0.02 99.58 19:00:07 3 0.02 0.00 0.03 0.02 0.01 99.93 19:10:07 all 12.09 0.00 0.80 0.41 0.03 86.67 19:10:07 0 11.80 0.00 0.77 0.42 0.03 86.98 19:10:07 1 14.06 0.00 0.99 0.18 0.04 84.73 19:10:07 2 11.34 0.00 0.77 0.17 0.04 87.69 19:10:07 3 11.15 0.00 0.66 0.87 0.03 87.29 19:20:07 all 67.90 0.00 2.31 0.05 0.10 29.64 19:20:07 0 69.25 0.00 2.25 0.05 0.10 28.35 19:20:07 1 65.72 0.00 2.26 0.07 0.09 31.86 19:20:07 2 69.08 0.00 2.39 0.04 0.10 28.39 19:20:07 3 67.57 0.00 2.32 0.05 0.10 29.97 19:30:07 all 64.41 0.00 2.69 0.07 0.10 32.72 19:30:07 0 63.79 0.00 2.60 0.09 0.11 33.42 19:30:07 1 64.15 0.00 2.51 0.11 0.10 33.13 19:30:07 2 65.19 0.00 2.92 0.05 0.11 31.74 19:30:07 3 64.49 0.00 2.74 0.05 0.10 32.61 19:40:07 all 31.19 0.00 1.22 0.05 0.07 67.46 19:40:07 0 26.35 0.00 1.49 0.10 0.07 71.98 19:40:07 1 36.46 0.00 0.83 0.03 0.07 62.61 19:40:07 2 27.71 0.00 1.23 0.04 0.07 70.96 19:40:07 3 34.26 0.00 1.33 0.04 0.08 64.30 Average: all 25.11 0.00 1.01 0.09 0.05 73.74 Average: 0 24.42 0.00 1.02 0.10 0.05 74.42 Average: 1 25.76 0.00 0.96 0.06 0.05 73.18 Average: 2 24.92 0.00 1.06 0.04 0.05 73.92 Average: 3 25.33 0.00 1.02 0.16 0.04 73.45