---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-1427 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 18G 60G 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 720 10991 3 4277 14926 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:20:9a:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.10/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79459sec preferred_lft 79459sec inet6 fe80::f816:3eff:fe20:9a7f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:89:37:d0:a5:b9 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::ec89:37ff:fed0:a5b9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-1427) 04/09/26 _x86_64_ (4 CPU) 06:11:28 LINUX RESTART (4 CPU) 06:20:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:30:05 78.35 23.97 51.41 2.97 385.22 5562.41 4398.63 06:40:01 13.74 1.19 11.88 0.67 17.21 369.87 424.26 06:50:09 7.58 0.11 7.10 0.37 5.45 248.36 338.96 07:00:09 35.86 0.12 18.97 16.76 4.97 841.28 212118.16 07:10:01 10.11 0.01 9.67 0.43 0.50 295.70 175.20 07:20:09 5.28 0.00 5.09 0.18 1.00 142.83 80.48 07:30:09 7.17 0.01 6.80 0.36 1.36 247.84 159.87 07:40:01 4.97 0.01 4.78 0.18 0.31 156.57 101.56 07:50:09 6.80 0.04 6.53 0.23 4.09 451.53 64.33 08:00:09 7.67 0.01 7.36 0.30 0.63 283.60 231.36 Average: 17.56 2.48 12.84 2.24 41.05 845.99 21843.63 06:20:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:30:05 6462796 9534564 6398736 39.08 266984 2813588 7572220 43.46 2107128 7256924 2752 06:40:01 4219196 7302220 8631268 52.72 268672 2823372 9512992 54.60 2139140 9449120 400 06:50:09 6535372 9642296 6294264 38.44 269708 2846236 7071132 40.59 2145816 7154104 332 07:00:09 10500140 13763576 2175472 13.29 277368 2995100 2948592 16.92 2191684 3155756 80 07:10:01 8149484 11452404 4485272 27.39 278780 3033192 5251156 30.14 2194556 5496668 336 07:20:09 8183632 11505632 4431924 27.07 279348 3051704 5184388 29.76 2195824 5459156 248 07:30:09 7134756 10495716 5441628 33.24 280256 3089736 6432048 36.92 2201024 6505388 372 07:40:01 8480964 11864968 4073224 24.88 280708 3112328 5026828 28.85 2203112 5147944 484 07:50:09 7855480 11344152 4593332 28.05 284192 3211992 5350128 30.71 2209484 5772164 116 08:00:09 7227444 10764032 5173316 31.60 284828 3259212 5925460 34.01 2228280 6376412 52 Average: 7474926 10766956 5169844 31.58 277084 3023646 6027494 34.60 2181605 6177364 517 06:20:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:30:05 lo 28.07 28.07 19.20 19.20 0.00 0.00 0.00 0.00 06:30:05 ens3 2.10 2.01 0.64 0.55 0.00 0.00 0.00 0.00 06:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:40:01 lo 45.48 45.48 18.98 18.98 0.00 0.00 0.00 0.00 06:40:01 ens3 1.47 1.22 0.32 1.26 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:09 lo 12.77 12.77 6.98 6.98 0.00 0.00 0.00 0.00 06:50:09 ens3 0.58 0.37 0.13 0.09 0.00 0.00 0.00 0.00 06:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:09 lo 13.85 13.85 6.84 6.84 0.00 0.00 0.00 0.00 07:00:09 ens3 1.56 1.02 0.52 0.39 0.00 0.00 0.00 0.00 07:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:01 lo 19.27 19.27 10.10 10.10 0.00 0.00 0.00 0.00 07:10:01 ens3 0.87 0.65 0.19 0.15 0.00 0.00 0.00 0.00 07:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:09 lo 26.03 26.03 9.43 9.43 0.00 0.00 0.00 0.00 07:20:09 ens3 0.89 0.51 0.25 0.18 0.00 0.00 0.00 0.00 07:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:09 lo 20.92 20.92 10.39 10.39 0.00 0.00 0.00 0.00 07:30:09 ens3 0.70 0.58 0.14 0.11 0.00 0.00 0.00 0.00 07:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 lo 17.96 17.96 10.10 10.10 0.00 0.00 0.00 0.00 07:40:01 ens3 0.62 0.48 0.13 0.10 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:09 lo 10.66 10.66 6.39 6.39 0.00 0.00 0.00 0.00 07:50:09 ens3 0.77 0.57 0.25 0.19 0.00 0.00 0.00 0.00 07:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:09 lo 20.78 20.78 8.99 8.99 0.00 0.00 0.00 0.00 08:00:09 ens3 0.80 0.63 0.20 0.16 0.00 0.00 0.00 0.00 08:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.53 21.53 10.70 10.70 0.00 0.00 0.00 0.00 Average: ens3 1.03 0.80 0.28 0.31 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-1427) 04/09/26 _x86_64_ (4 CPU) 06:11:28 LINUX RESTART (4 CPU) 06:20:22 CPU %user %nice %system %iowait %steal %idle 06:30:05 all 62.80 0.00 2.54 0.11 0.13 34.41 06:30:05 0 63.31 0.00 2.31 0.10 0.13 34.15 06:30:05 1 62.77 0.00 2.60 0.17 0.13 34.33 06:30:05 2 63.67 0.00 2.61 0.10 0.13 33.49 06:30:05 3 61.47 0.00 2.64 0.07 0.13 35.69 06:40:01 all 29.52 0.00 1.28 0.05 0.10 69.05 06:40:01 0 29.96 0.00 1.15 0.06 0.10 68.73 06:40:01 1 30.29 0.00 1.41 0.05 0.10 68.15 06:40:01 2 28.85 0.00 1.25 0.02 0.10 69.77 06:40:01 3 28.99 0.00 1.31 0.05 0.10 69.55 06:50:09 all 16.14 0.00 0.67 0.03 0.08 83.08 06:50:09 0 16.24 0.00 0.55 0.01 0.08 83.12 06:50:09 1 15.98 0.00 0.72 0.02 0.08 83.19 06:50:09 2 16.20 0.00 0.70 0.02 0.08 83.00 06:50:09 3 16.14 0.00 0.70 0.07 0.08 83.00 07:00:09 all 28.24 0.00 1.01 0.08 0.08 70.59 07:00:09 0 28.83 0.00 1.12 0.12 0.08 69.85 07:00:09 1 28.44 0.00 1.09 0.11 0.09 70.27 07:00:09 2 27.73 0.00 0.94 0.06 0.08 71.19 07:00:09 3 27.98 0.00 0.88 0.02 0.08 71.04 07:10:01 all 17.71 0.00 0.62 0.04 0.08 81.56 07:10:01 0 17.92 0.00 0.57 0.02 0.08 81.42 07:10:01 1 17.87 0.00 0.60 0.06 0.08 81.39 07:10:01 2 18.33 0.00 0.72 0.03 0.08 80.85 07:10:01 3 16.72 0.00 0.58 0.06 0.08 82.57 07:20:09 all 8.31 0.00 0.43 0.02 0.08 91.16 07:20:09 0 8.36 0.00 0.48 0.01 0.08 91.07 07:20:09 1 7.97 0.00 0.44 0.01 0.08 91.49 07:20:09 2 8.31 0.00 0.42 0.01 0.08 91.19 07:20:09 3 8.61 0.00 0.38 0.05 0.08 90.88 07:30:09 all 16.22 0.00 0.68 0.07 0.09 82.95 07:30:09 0 16.32 0.00 0.75 0.02 0.08 82.83 07:30:09 1 16.24 0.00 0.75 0.03 0.09 82.88 07:30:09 2 16.18 0.00 0.65 0.21 0.08 82.88 07:30:09 3 16.14 0.00 0.58 0.01 0.09 83.19 07:40:01 all 9.18 0.00 0.41 0.14 0.07 90.20 07:40:01 0 9.36 0.00 0.42 0.15 0.06 90.01 07:40:01 1 9.09 0.00 0.41 0.13 0.07 90.30 07:40:01 2 9.21 0.00 0.41 0.15 0.07 90.16 07:40:01 3 9.07 0.00 0.40 0.14 0.06 90.32 07:50:09 all 10.11 0.00 0.58 0.22 0.06 89.03 07:50:09 0 9.80 0.00 0.51 0.11 0.06 89.52 07:50:09 1 9.94 0.00 0.61 0.13 0.07 89.24 07:50:09 2 9.88 0.00 0.59 0.13 0.07 89.33 07:50:09 3 10.81 0.00 0.60 0.50 0.06 88.03 08:00:09 all 16.10 0.00 0.72 0.11 0.07 83.00 08:00:09 0 15.67 0.00 0.70 0.28 0.07 83.28 08:00:09 1 16.06 0.00 0.78 0.10 0.08 82.98 08:00:09 2 15.77 0.00 0.69 0.02 0.07 83.45 08:00:09 3 16.88 0.00 0.71 0.03 0.07 82.30 Average: all 21.29 0.00 0.89 0.09 0.08 77.65 Average: 0 21.43 0.00 0.85 0.09 0.08 77.55 Average: 1 21.32 0.00 0.94 0.08 0.09 77.58 Average: 2 21.27 0.00 0.89 0.07 0.08 77.69 Average: 3 21.14 0.00 0.87 0.10 0.08 77.80