---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5598 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 66G 16% / 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 664 8633 4 6691 14982 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:1a:74:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81650sec preferred_lft 81650sec inet6 fe80::f816:3eff:fe1a:743f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:3e:6c:21:3a:40 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-5598) 03/18/26 _x86_64_ (4 CPU) 14:32:50 LINUX RESTART (4 CPU) 14:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:05 1.57 0.01 1.56 0.01 0.04 18.53 199.95 15:00:01 1.50 0.00 1.50 0.00 0.00 16.61 0.00 15:10:05 1.53 0.00 1.53 0.00 0.00 16.73 0.00 15:20:05 1.55 0.00 1.55 0.00 0.01 17.07 0.00 15:30:02 57.00 5.15 49.26 2.58 290.29 5760.46 6120.38 15:40:05 23.78 0.01 21.17 2.59 0.17 2147.23 12220.34 15:50:05 34.22 0.03 18.70 15.49 0.52 3781.13 246042.16 Average: 17.28 0.74 13.59 2.95 41.35 1676.82 37802.38 14:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:05 13548140 15505416 510516 3.12 57940 2124528 1144704 6.57 330676 2232072 176 15:00:01 13547436 15505436 510508 3.12 58524 2124660 1144768 6.57 331256 2233908 200 15:10:05 13546680 15505312 510668 3.12 59132 2124676 1144768 6.57 331876 2234240 172 15:20:05 13547876 15507252 508764 3.11 59728 2124816 1144768 6.57 332468 2235168 168 15:30:02 9960160 13514228 2444704 14.93 136120 3553420 2497624 14.34 760056 5249624 24988 15:40:05 9049428 13016216 2939756 17.95 152136 3917028 2948816 16.93 878992 6031708 27888 15:50:05 7527212 12898724 3051952 18.64 170704 5248344 3027920 17.38 1300832 7067348 549192 Average: 11532419 14493226 1496695 9.14 99183 3031067 1864767 10.70 609451 3897724 86112 14:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:50:05 ens3 0.27 0.08 0.05 0.02 0.00 0.00 0.00 0.00 14:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:00:01 ens3 0.23 0.10 0.07 0.04 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:10:05 ens3 0.23 0.08 0.04 0.02 0.00 0.00 0.00 0.00 15:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:20:05 ens3 0.20 0.09 0.04 0.02 0.00 0.00 0.00 0.00 15:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:02 lo 1162.94 1162.94 1101.35 1101.35 0.00 0.00 0.00 0.00 15:30:02 ens3 138.02 105.00 1214.85 18.40 0.00 0.00 0.00 0.00 15:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:05 lo 1216.53 1216.53 1158.43 1158.43 0.00 0.00 0.00 0.00 15:40:05 ens3 24.20 21.73 38.59 6.78 0.00 0.00 0.00 0.00 15:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:05 lo 939.57 939.57 7509.54 7509.54 0.00 0.00 0.00 0.00 15:50:05 ens3 21.27 18.36 89.11 5.44 0.00 0.00 0.00 0.00 15:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 474.25 474.25 1395.67 1395.67 0.00 0.00 0.00 0.00 Average: ens3 26.25 20.71 190.89 4.38 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-5598) 03/18/26 _x86_64_ (4 CPU) 14:32:50 LINUX RESTART (4 CPU) 14:40:05 CPU %user %nice %system %iowait %steal %idle 14:50:05 all 0.12 0.00 0.03 0.02 0.01 99.82 14:50:05 0 0.02 0.00 0.02 0.00 0.01 99.95 14:50:05 1 0.03 0.00 0.04 0.01 0.02 99.90 14:50:05 2 0.41 0.00 0.02 0.01 0.01 99.54 14:50:05 3 0.03 0.00 0.03 0.08 0.01 99.86 15:00:01 all 0.08 0.00 0.03 0.01 0.01 99.87 15:00:01 0 0.11 0.00 0.02 0.00 0.01 99.87 15:00:01 1 0.03 0.00 0.03 0.00 0.01 99.93 15:00:01 2 0.15 0.00 0.04 0.01 0.02 99.79 15:00:01 3 0.04 0.00 0.03 0.03 0.01 99.89 15:10:05 all 0.02 0.00 0.02 0.01 0.01 99.93 15:10:05 0 0.02 0.00 0.01 0.00 0.01 99.95 15:10:05 1 0.02 0.00 0.02 0.00 0.01 99.94 15:10:05 2 0.02 0.00 0.03 0.00 0.01 99.93 15:10:05 3 0.03 0.00 0.03 0.03 0.01 99.90 15:20:05 all 0.17 0.00 0.03 0.01 0.01 99.78 15:20:05 0 0.63 0.00 0.03 0.00 0.01 99.33 15:20:05 1 0.02 0.00 0.02 0.00 0.01 99.95 15:20:05 2 0.03 0.00 0.04 0.01 0.02 99.92 15:20:05 3 0.01 0.00 0.03 0.04 0.01 99.91 15:30:02 all 48.66 0.00 2.14 0.29 0.08 48.82 15:30:02 0 48.83 0.00 2.08 0.09 0.08 48.92 15:30:02 1 50.28 0.00 2.40 0.81 0.09 46.42 15:30:02 2 47.79 0.00 2.25 0.12 0.08 49.76 15:30:02 3 47.76 0.00 1.84 0.15 0.08 50.18 15:40:05 all 68.03 0.00 2.39 0.08 0.11 29.40 15:40:05 0 65.84 0.00 2.65 0.09 0.10 31.32 15:40:05 1 68.51 0.00 2.40 0.07 0.10 28.91 15:40:05 2 69.76 0.00 1.99 0.04 0.10 28.10 15:40:05 3 67.99 0.00 2.52 0.12 0.11 29.26 15:50:05 all 47.96 0.00 1.77 0.28 0.10 49.90 15:50:05 0 51.22 0.00 1.76 0.16 0.10 46.77 15:50:05 1 45.87 0.00 1.76 0.40 0.10 51.87 15:50:05 2 49.38 0.00 1.81 0.25 0.09 48.48 15:50:05 3 45.36 0.00 1.77 0.30 0.09 52.47 Average: all 23.55 0.00 0.91 0.10 0.05 75.38 Average: 0 23.80 0.00 0.94 0.05 0.05 75.17 Average: 1 23.51 0.00 0.95 0.18 0.05 75.30 Average: 2 23.91 0.00 0.88 0.06 0.05 75.10 Average: 3 23.00 0.00 0.89 0.11 0.05 75.96