---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-8261 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 714 10765 4 4510 14932 Swap: 1023 1 1022 ---> 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:41:59:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.59/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79663sec preferred_lft 79663sec inet6 fe80::f816:3eff:fe41:598b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:75:96:e6:b3:d5 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::1875:96ff:fee6:b3d5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-8261) 03/23/26 _x86_64_ (4 CPU) 07:11:41 LINUX RESTART (4 CPU) 07:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:03 100.07 23.84 72.98 3.26 357.44 12859.22 4836.09 07:40:03 17.99 0.29 16.71 1.00 9.52 456.39 739.68 07:50:03 7.54 0.05 7.09 0.40 3.31 257.28 723.76 08:00:03 20.15 0.02 19.12 1.01 0.72 849.76 739.27 08:10:03 9.22 0.01 8.77 0.43 0.73 282.03 181.43 08:20:03 4.88 0.01 4.70 0.17 0.35 138.92 65.68 08:30:03 21.98 0.06 6.38 15.54 1.97 194.25 210791.80 08:40:03 3.98 0.00 3.90 0.08 0.00 114.91 7.43 08:50:00 11.87 0.03 11.28 0.56 3.99 691.42 625.72 09:00:00 5.63 0.02 5.42 0.19 0.60 181.16 57.73 Average: 20.38 2.45 15.66 2.27 38.04 1608.60 21878.13 07:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:03 5906740 9220992 6711056 40.99 269896 3030528 7575764 43.48 2135620 7758676 2492 07:40:03 3744460 7086492 8846440 54.03 272840 3055260 9516700 54.63 2184592 9869900 908 07:50:03 6311420 9676660 6257180 38.22 273932 3077372 7031572 40.36 2192204 7300860 328 08:00:03 10171400 13685556 2252200 13.76 279872 3220272 2980492 17.11 2232440 3404404 264 08:10:03 7792156 11345960 4590400 28.04 281256 3258536 5374860 30.85 2235268 5791920 444 08:20:03 7753668 11326208 4610020 28.16 281836 3276692 5284216 30.33 2236500 5816692 340 08:30:03 9583392 13199700 2737836 16.72 282632 3319664 4202364 24.12 2246188 3994080 14932 08:40:03 6023368 9642180 6293292 38.44 283168 3321632 7009880 40.24 2246772 7538596 280 08:50:00 7663084 11431096 4505324 27.52 287584 3464656 5243988 30.10 2263448 5877700 172 09:00:00 6760844 10557132 5378736 32.85 288220 3492184 6004716 34.47 2274592 6767160 360 Average: 7171053 10717198 5218248 31.87 280124 3251680 6022455 34.57 2224762 6411999 2052 07:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:03 lo 19.85 19.85 16.71 16.71 0.00 0.00 0.00 0.00 07:30:03 ens3 34.54 25.94 414.87 2.74 0.00 0.00 0.00 0.00 07:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:03 lo 47.70 47.70 20.55 20.55 0.00 0.00 0.00 0.00 07:40:03 ens3 1.81 1.56 0.37 0.32 0.00 0.00 0.00 0.00 07:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:03 lo 18.74 18.74 8.90 8.90 0.00 0.00 0.00 0.00 07:50:03 ens3 1.73 0.65 0.39 1.19 0.00 0.00 0.00 0.00 07:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:03 lo 12.63 12.63 6.24 6.24 0.00 0.00 0.00 0.00 08:00:03 ens3 1.48 0.89 0.38 0.28 0.00 0.00 0.00 0.00 08:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:03 lo 20.05 20.05 10.49 10.49 0.00 0.00 0.00 0.00 08:10:03 ens3 0.89 0.66 0.17 0.13 0.00 0.00 0.00 0.00 08:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:03 lo 24.18 24.18 8.91 8.91 0.00 0.00 0.00 0.00 08:20:03 ens3 1.10 0.46 0.20 0.11 0.00 0.00 0.00 0.00 08:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:03 lo 22.90 22.90 10.56 10.56 0.00 0.00 0.00 0.00 08:30:03 ens3 1.08 0.57 0.22 0.14 0.00 0.00 0.00 0.00 08:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:03 lo 17.61 17.61 10.44 10.44 0.00 0.00 0.00 0.00 08:40:03 ens3 0.84 0.50 0.19 0.13 0.00 0.00 0.00 0.00 08:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:00 lo 14.32 14.32 8.33 8.33 0.00 0.00 0.00 0.00 08:50:00 ens3 1.11 0.77 0.30 0.23 0.00 0.00 0.00 0.00 08:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:00 lo 33.15 33.15 12.97 12.97 0.00 0.00 0.00 0.00 09:00:00 ens3 0.86 0.71 0.19 0.15 0.00 0.00 0.00 0.00 09:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.12 23.12 11.41 11.41 0.00 0.00 0.00 0.00 Average: ens3 4.56 3.28 41.93 0.54 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-8261) 03/23/26 _x86_64_ (4 CPU) 07:11:41 LINUX RESTART (4 CPU) 07:20:00 CPU %user %nice %system %iowait %steal %idle 07:30:03 all 55.17 0.00 2.26 0.20 0.11 42.27 07:30:03 0 53.47 0.00 2.21 0.26 0.11 43.94 07:30:03 1 57.10 0.00 2.20 0.10 0.11 40.49 07:30:03 2 55.01 0.00 2.13 0.25 0.12 42.50 07:30:03 3 55.09 0.00 2.47 0.20 0.11 42.14 07:40:03 all 42.24 0.00 1.71 0.07 0.12 55.86 07:40:03 0 41.41 0.00 1.65 0.12 0.12 56.70 07:40:03 1 43.25 0.00 1.85 0.04 0.13 54.73 07:40:03 2 41.94 0.00 1.67 0.04 0.13 56.22 07:40:03 3 42.37 0.00 1.64 0.07 0.12 55.79 07:50:03 all 17.94 0.00 0.80 0.03 0.09 81.14 07:50:03 0 18.19 0.00 0.75 0.05 0.09 80.93 07:50:03 1 18.45 0.00 0.90 0.04 0.09 80.52 07:50:03 2 17.30 0.00 0.88 0.03 0.09 81.71 07:50:03 3 17.83 0.00 0.69 0.02 0.09 81.38 08:00:03 all 28.56 0.00 0.96 0.06 0.09 70.33 08:00:03 0 28.61 0.00 1.05 0.04 0.08 70.22 08:00:03 1 28.99 0.00 0.95 0.04 0.10 69.93 08:00:03 2 29.10 0.00 0.88 0.10 0.09 69.83 08:00:03 3 27.55 0.00 0.97 0.08 0.08 71.32 08:10:03 all 18.06 0.00 0.54 0.03 0.08 81.29 08:10:03 0 17.66 0.00 0.51 0.01 0.08 81.74 08:10:03 1 17.41 0.00 0.51 0.03 0.09 81.96 08:10:03 2 18.62 0.00 0.56 0.01 0.08 80.73 08:10:03 3 18.55 0.00 0.58 0.07 0.09 80.71 08:20:03 all 8.21 0.00 0.41 0.02 0.08 91.27 08:20:03 0 8.33 0.00 0.37 0.01 0.07 91.22 08:20:03 1 8.57 0.00 0.48 0.02 0.09 90.84 08:20:03 2 7.60 0.00 0.38 0.01 0.08 91.93 08:20:03 3 8.36 0.00 0.42 0.04 0.08 91.10 08:30:03 all 13.14 0.00 0.64 0.03 0.09 86.11 08:30:03 0 13.02 0.00 0.59 0.05 0.09 86.26 08:30:03 1 13.12 0.00 0.74 0.05 0.09 86.00 08:30:03 2 13.45 0.00 0.56 0.01 0.09 85.90 08:30:03 3 12.95 0.00 0.68 0.01 0.09 86.27 08:40:03 all 6.81 0.00 0.42 0.03 0.09 92.66 08:40:03 0 6.30 0.00 0.35 0.06 0.07 93.22 08:40:03 1 6.76 0.00 0.40 0.02 0.09 92.73 08:40:03 2 7.12 0.00 0.47 0.01 0.10 92.30 08:40:03 3 7.04 0.00 0.47 0.01 0.08 92.39 08:50:00 all 19.13 0.00 0.70 0.04 0.09 80.05 08:50:00 0 18.97 0.00 0.70 0.02 0.09 80.22 08:50:00 1 18.19 0.00 0.73 0.03 0.09 80.95 08:50:00 2 19.88 0.00 0.50 0.07 0.09 79.47 08:50:00 3 19.48 0.00 0.86 0.02 0.09 79.54 09:00:00 all 10.12 0.00 0.41 0.02 0.09 89.37 09:00:00 0 9.95 0.00 0.41 0.01 0.08 89.55 09:00:00 1 10.28 0.00 0.36 0.02 0.09 89.24 09:00:00 2 9.93 0.00 0.40 0.03 0.09 89.56 09:00:00 3 10.31 0.00 0.45 0.01 0.08 89.14 Average: all 21.96 0.00 0.89 0.05 0.09 77.01 Average: 0 21.61 0.00 0.86 0.06 0.09 77.38 Average: 1 22.24 0.00 0.91 0.04 0.10 76.72 Average: 2 22.01 0.00 0.85 0.05 0.09 77.00 Average: 3 21.98 0.00 0.93 0.05 0.09 76.95