---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-12146 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: 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 18G 61G 23% / 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 683 11315 3 3989 14963 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:bf:7b:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.145/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80374sec preferred_lft 80374sec inet6 fe80::f816:3eff:febf:7b30/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:50:6e:4c:e6:15 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 inet6 fe80::5850:6eff:fe4c:e615/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-12146) 03/23/26 _x86_64_ (4 CPU) 07:44:46 LINUX RESTART (4 CPU) 07:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:01 97.80 22.43 71.40 3.97 341.01 15952.54 8710.85 08:10:01 24.79 4.26 19.52 1.01 90.46 503.83 552.35 08:20:32 13.79 0.21 12.94 0.64 11.13 641.10 380.15 08:30:32 31.26 0.08 15.23 15.95 3.26 453.12 212058.21 08:40:31 5.00 0.01 4.83 0.17 0.56 130.58 116.71 08:50:09 5.56 0.02 5.35 0.19 1.26 154.36 56.52 09:00:33 4.56 0.02 4.37 0.17 1.83 132.40 98.59 09:10:02 6.18 0.03 5.88 0.26 3.86 275.45 86.88 09:20:02 10.67 0.01 10.27 0.38 0.64 490.37 194.97 Average: 22.04 2.96 16.55 2.53 49.81 2051.10 24761.21 07:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:01 160212 4037312 11892040 72.63 269984 3554196 13115880 75.29 2228852 13354432 1660 08:10:01 6503972 9410912 6524716 39.85 268516 2655524 8567104 49.18 2200696 7136472 5756 08:20:32 10584312 13607212 2333124 14.25 273816 2765956 3126136 17.94 2241252 3034332 144 08:30:32 8408536 11494300 4445012 27.15 276652 2825980 5307064 30.46 2252560 5187940 112 08:40:31 8354380 11455216 4483916 27.39 277212 2840496 5287464 30.35 2253840 5248176 112 08:50:09 6957148 10076488 5861640 35.80 277664 2858544 6692764 38.42 2255868 6636756 124 09:00:33 6914500 10053380 5884848 35.94 278332 2877420 6708300 38.51 2259780 6664932 252 09:10:02 12088008 15345120 595904 3.64 282024 2991664 1369660 7.86 2267312 1508752 72144 09:20:02 10484032 13787156 2153268 13.15 283196 3036388 3557944 20.42 2287068 3094560 21708 Average: 7828344 11029677 4908274 29.98 276377 2934019 5970257 34.27 2249692 5762928 11335 07:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:01 lo 16.71 16.71 15.27 15.27 0.00 0.00 0.00 0.00 08:00:01 ens3 35.78 26.37 658.32 3.12 0.00 0.00 0.00 0.00 08:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 lo 42.65 42.65 18.35 18.35 0.00 0.00 0.00 0.00 08:10:01 ens3 1.69 1.48 0.33 0.29 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:32 lo 23.21 23.21 9.96 9.96 0.00 0.00 0.00 0.00 08:20:32 ens3 1.61 0.96 0.34 0.25 0.00 0.00 0.00 0.00 08:20:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:32 lo 18.22 18.22 9.34 9.34 0.00 0.00 0.00 0.00 08:30:32 ens3 1.23 0.72 0.24 0.17 0.00 0.00 0.00 0.00 08:30:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:31 lo 21.07 21.07 8.99 8.99 0.00 0.00 0.00 0.00 08:40:31 ens3 1.05 0.76 0.21 1.21 0.00 0.00 0.00 0.00 08:40:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:09 lo 25.85 25.85 10.96 10.96 0.00 0.00 0.00 0.00 08:50:09 ens3 0.89 0.49 0.20 0.14 0.00 0.00 0.00 0.00 08:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:33 lo 14.31 14.31 7.78 7.78 0.00 0.00 0.00 0.00 09:00:33 ens3 0.65 0.42 0.14 0.10 0.00 0.00 0.00 0.00 09:00:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:02 lo 15.23 15.23 8.32 8.32 0.00 0.00 0.00 0.00 09:10:02 ens3 0.84 0.68 0.23 0.18 0.00 0.00 0.00 0.00 09:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:02 lo 23.28 23.28 10.98 10.98 0.00 0.00 0.00 0.00 09:20:02 ens3 0.91 0.69 0.18 0.14 0.00 0.00 0.00 0.00 09:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.29 22.29 11.09 11.09 0.00 0.00 0.00 0.00 Average: ens3 4.89 3.57 71.99 0.62 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-16g-12146) 03/23/26 _x86_64_ (4 CPU) 07:44:46 LINUX RESTART (4 CPU) 07:50:13 CPU %user %nice %system %iowait %steal %idle 08:00:01 all 53.54 0.00 2.23 2.45 0.11 41.67 08:00:01 0 53.05 0.00 2.26 2.02 0.11 42.56 08:00:01 1 55.72 0.00 2.34 4.66 0.12 37.16 08:00:01 2 53.98 0.00 2.31 1.83 0.12 41.77 08:00:01 3 51.39 0.00 2.03 1.28 0.11 45.19 08:10:01 all 43.07 0.00 1.62 0.19 0.15 54.95 08:10:01 0 43.15 0.00 1.60 0.07 0.21 54.97 08:10:01 1 43.47 0.00 1.53 0.12 0.13 54.74 08:10:01 2 42.61 0.00 1.81 0.35 0.15 55.08 08:10:01 3 43.06 0.00 1.55 0.24 0.13 55.02 08:20:32 all 23.12 0.00 0.93 0.05 0.08 75.82 08:20:32 0 23.32 0.00 0.93 0.03 0.08 75.63 08:20:32 1 23.12 0.00 0.97 0.03 0.08 75.80 08:20:32 2 23.52 0.00 1.02 0.07 0.09 75.31 08:20:32 3 22.50 0.00 0.82 0.06 0.08 76.54 08:30:32 all 28.20 0.00 0.89 0.06 0.08 70.77 08:30:32 0 27.33 0.00 0.96 0.09 0.08 71.54 08:30:32 1 28.10 0.00 0.84 0.06 0.08 70.92 08:30:32 2 28.93 0.00 0.88 0.05 0.08 70.07 08:30:32 3 28.43 0.00 0.90 0.05 0.08 70.55 08:40:31 all 9.29 0.00 0.51 0.02 0.06 90.12 08:40:31 0 9.36 0.00 0.55 0.05 0.06 89.98 08:40:31 1 9.35 0.00 0.46 0.01 0.06 90.12 08:40:31 2 9.41 0.00 0.53 0.01 0.06 89.99 08:40:31 3 9.04 0.00 0.49 0.01 0.05 90.40 08:50:09 all 11.53 0.00 0.60 0.03 0.06 87.79 08:50:09 0 11.12 0.00 0.55 0.04 0.06 88.23 08:50:09 1 12.01 0.00 0.63 0.01 0.06 87.29 08:50:09 2 11.08 0.00 0.57 0.01 0.06 88.28 08:50:09 3 11.91 0.00 0.64 0.05 0.06 87.35 09:00:33 all 9.23 0.00 0.51 0.02 0.06 90.17 09:00:33 0 8.82 0.00 0.52 0.03 0.06 90.56 09:00:33 1 9.35 0.00 0.53 0.03 0.06 90.03 09:00:33 2 9.47 0.00 0.50 0.01 0.06 89.95 09:00:33 3 9.28 0.00 0.50 0.01 0.06 90.16 09:10:02 all 8.26 0.00 0.45 0.03 0.06 91.20 09:10:02 0 7.81 0.00 0.44 0.06 0.06 91.64 09:10:02 1 9.08 0.00 0.48 0.01 0.07 90.36 09:10:02 2 7.87 0.00 0.46 0.02 0.06 91.60 09:10:02 3 8.27 0.00 0.42 0.05 0.06 91.21 09:20:02 all 16.95 0.00 0.68 0.03 0.07 82.27 09:20:02 0 16.60 0.00 0.65 0.03 0.07 82.64 09:20:02 1 17.32 0.00 0.84 0.05 0.07 81.72 09:20:02 2 17.15 0.00 0.65 0.02 0.07 82.11 09:20:02 3 16.71 0.00 0.57 0.03 0.06 82.62 Average: all 22.55 0.00 0.93 0.32 0.08 76.12 Average: 0 22.27 0.00 0.94 0.27 0.09 76.44 Average: 1 23.02 0.00 0.96 0.54 0.08 75.40 Average: 2 22.65 0.00 0.97 0.26 0.08 76.04 Average: 3 22.26 0.00 0.88 0.19 0.08 76.59