---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-14912 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 712 9830 3 5446 14934 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:33:1e:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.73/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79516sec preferred_lft 79516sec inet6 fe80::f816:3eff:fe33:1e0d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:08:1a:36:b4:80 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::3808:1aff:fe36:b480/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-14912) 03/23/26 _x86_64_ (4 CPU) 08:14:20 LINUX RESTART (4 CPU) 08:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:00 93.51 36.19 54.09 3.23 502.67 6984.53 4167.63 08:40:00 19.49 0.12 18.35 1.02 4.64 463.61 487.89 08:50:00 8.32 0.11 7.83 0.38 7.13 273.44 386.85 09:00:00 15.28 0.01 14.60 0.67 0.48 702.21 441.85 09:10:00 14.14 0.01 13.49 0.64 0.63 443.25 479.99 09:20:00 4.94 0.17 4.62 0.15 3.52 129.04 82.84 09:30:00 3.89 0.01 3.74 0.13 1.05 133.61 63.23 09:40:00 21.39 0.06 5.87 15.47 0.85 171.72 211264.23 09:50:00 2.50 0.00 2.50 0.00 0.01 41.24 0.00 10:00:00 11.46 0.03 10.89 0.54 3.97 692.63 315.93 Average: 19.49 3.67 13.60 2.22 52.50 1003.53 21769.04 08:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:00 2638752 6890464 9039532 55.21 266920 3899124 10275888 58.98 2201608 10874448 836 08:40:00 2251232 6529272 9400676 57.42 269868 3922488 11007700 63.18 2252864 11226744 492 08:50:00 5381656 9685876 6246044 38.15 270852 3947588 7001600 40.19 2261240 8081144 200 09:00:00 9219144 13658080 2276116 13.90 276212 4071480 3029492 17.39 2299792 4229240 40 09:10:00 6871496 11375340 4557552 27.84 278124 4134252 5340660 30.66 2303680 6565828 304 09:20:00 6937372 11459064 4473812 27.32 278816 4151344 5249592 30.13 2305520 6475836 280 09:30:00 6385292 10927860 5004936 30.57 279076 4171896 6369820 36.56 2307344 7045364 308 09:40:00 5408524 9980256 5951752 36.35 281972 4198080 6763892 38.82 2317724 8008508 120 09:50:00 5136672 9710344 6221444 38.00 282288 4199692 6946660 39.87 2318048 8276368 84 10:00:00 6553548 11283168 4649072 28.39 286896 4344608 5260012 30.19 2335024 6845092 124 Average: 5678369 10149972 5782094 35.31 277102 4104055 6724532 38.60 2290284 7762857 279 08:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:00 lo 18.88 18.88 15.85 15.85 0.00 0.00 0.00 0.00 08:30:00 ens3 2.08 1.64 0.63 0.51 0.00 0.00 0.00 0.00 08:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:00 lo 41.78 41.78 18.38 18.38 0.00 0.00 0.00 0.00 08:40:00 ens3 1.79 1.55 0.37 1.20 0.00 0.00 0.00 0.00 08:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:00 lo 23.47 23.47 11.07 11.07 0.00 0.00 0.00 0.00 08:50:00 ens3 0.97 0.59 0.22 0.15 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 11.42 11.42 5.62 5.62 0.00 0.00 0.00 0.00 09:00:00 ens3 0.95 0.77 0.25 0.21 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 09:10:00 lo 19.91 19.91 10.49 10.49 0.00 0.00 0.00 0.00 09:10:00 ens3 0.90 0.68 0.17 0.13 0.00 0.00 0.00 0.00 09:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:00 lo 12.65 12.65 5.64 5.64 0.00 0.00 0.00 0.00 09:20:00 ens3 0.63 0.42 0.12 0.08 0.00 0.00 0.00 0.00 09:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:00 lo 21.38 21.38 6.93 6.93 0.00 0.00 0.00 0.00 09:30:00 ens3 0.59 0.33 0.15 0.10 0.00 0.00 0.00 0.00 09:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:00 lo 21.65 21.65 12.03 12.03 0.00 0.00 0.00 0.00 09:40:00 ens3 0.79 0.65 0.18 0.14 0.00 0.00 0.00 0.00 09:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:00 lo 12.79 12.79 6.98 6.98 0.00 0.00 0.00 0.00 09:50:00 ens3 0.50 0.36 0.11 0.08 0.00 0.00 0.00 0.00 09:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:00 lo 17.70 17.70 9.75 9.75 0.00 0.00 0.00 0.00 10:00:00 ens3 1.11 0.90 0.33 0.26 0.00 0.00 0.00 0.00 10:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.16 20.16 10.27 10.27 0.00 0.00 0.00 0.00 Average: ens3 1.03 0.79 0.25 0.29 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-14912) 03/23/26 _x86_64_ (4 CPU) 08:14:20 LINUX RESTART (4 CPU) 08:20:00 CPU %user %nice %system %iowait %steal %idle 08:30:00 all 50.86 0.06 1.94 0.14 0.10 46.89 08:30:00 0 49.99 0.12 1.97 0.17 0.10 47.65 08:30:00 1 51.29 0.01 1.98 0.12 0.11 46.49 08:30:00 2 50.72 0.00 1.92 0.09 0.10 47.17 08:30:00 3 51.43 0.13 1.90 0.19 0.10 46.25 08:40:00 all 40.59 0.00 1.38 0.05 0.10 57.88 08:40:00 0 40.73 0.00 1.26 0.08 0.10 57.84 08:40:00 1 41.17 0.00 1.45 0.04 0.10 57.24 08:40:00 2 39.50 0.00 1.39 0.06 0.10 58.94 08:40:00 3 40.95 0.00 1.41 0.03 0.10 57.51 08:50:00 all 17.83 0.00 0.78 0.03 0.08 81.27 08:50:00 0 18.01 0.00 0.76 0.03 0.08 81.12 08:50:00 1 18.08 0.00 0.93 0.08 0.08 80.84 08:50:00 2 17.96 0.00 0.74 0.01 0.08 81.20 08:50:00 3 17.29 0.00 0.70 0.00 0.08 81.93 09:00:00 all 21.64 0.00 0.82 0.05 0.07 77.42 09:00:00 0 22.19 0.00 0.83 0.11 0.07 76.81 09:00:00 1 21.28 0.00 0.90 0.03 0.08 77.71 09:00:00 2 21.71 0.00 0.73 0.03 0.07 77.46 09:00:00 3 21.39 0.00 0.83 0.02 0.07 77.68 09:10:00 all 25.04 0.00 0.84 0.04 0.08 74.00 09:10:00 0 24.64 0.00 0.87 0.10 0.07 74.32 09:10:00 1 25.22 0.00 0.90 0.02 0.08 73.78 09:10:00 2 24.82 0.00 0.80 0.02 0.08 74.27 09:10:00 3 25.48 0.00 0.79 0.02 0.07 73.64 09:20:00 all 7.12 0.00 0.35 0.02 0.06 92.45 09:20:00 0 6.56 0.00 0.28 0.01 0.06 93.09 09:20:00 1 7.17 0.00 0.40 0.04 0.06 92.33 09:20:00 2 7.28 0.00 0.36 0.02 0.06 92.27 09:20:00 3 7.47 0.00 0.36 0.01 0.05 92.11 09:30:00 all 7.36 0.00 0.35 0.02 0.06 92.22 09:30:00 0 7.49 0.00 0.32 0.01 0.06 92.12 09:30:00 1 7.46 0.00 0.37 0.01 0.06 92.09 09:30:00 2 6.86 0.00 0.36 0.04 0.06 92.68 09:30:00 3 7.63 0.00 0.33 0.00 0.06 91.98 09:40:00 all 12.47 0.00 0.55 0.04 0.07 86.88 09:40:00 0 12.64 0.00 0.44 0.02 0.06 86.84 09:40:00 1 12.37 0.00 0.59 0.06 0.07 86.91 09:40:00 2 12.38 0.00 0.63 0.08 0.07 86.84 09:40:00 3 12.46 0.00 0.55 0.01 0.06 86.92 09:50:00 all 2.32 0.00 0.23 0.02 0.05 97.39 09:50:00 0 2.25 0.00 0.18 0.01 0.05 97.51 09:50:00 1 2.52 0.00 0.23 0.01 0.06 97.19 09:50:00 2 2.37 0.00 0.26 0.02 0.05 97.30 09:50:00 3 2.14 0.00 0.23 0.03 0.06 97.55 10:00:00 all 20.34 0.00 0.75 0.04 0.07 78.79 10:00:00 0 19.17 0.00 0.62 0.02 0.07 80.13 10:00:00 1 20.33 0.00 0.80 0.02 0.08 78.78 10:00:00 2 20.60 0.00 0.75 0.05 0.07 78.53 10:00:00 3 21.27 0.00 0.86 0.08 0.07 77.72 Average: all 20.55 0.01 0.80 0.04 0.07 78.52 Average: 0 20.36 0.01 0.75 0.05 0.07 78.75 Average: 1 20.69 0.00 0.85 0.04 0.08 78.34 Average: 2 20.42 0.00 0.79 0.04 0.08 78.67 Average: 3 20.75 0.01 0.80 0.04 0.07 78.33