---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-50303 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 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 696 10746 4 4545 14941 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:bb:47:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79712sec preferred_lft 79712sec inet6 fe80::f816:3eff:febb:4783/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:7b:0c:37:cd:a9 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-16g-50303) 03/05/26 _x86_64_ (4 CPU) 08:16:42 LINUX RESTART (4 CPU) 08:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:09 115.03 22.85 87.62 4.56 943.98 31438.84 15074.41 08:40:20 29.04 2.31 25.38 1.35 43.20 1486.03 1484.24 08:50:01 8.26 0.12 7.72 0.42 6.70 279.27 915.67 09:00:20 11.51 0.05 11.00 0.46 2.53 548.06 590.94 09:10:02 11.83 0.01 11.38 0.44 0.37 303.06 640.26 09:20:01 25.04 0.06 9.54 15.45 1.11 323.47 210178.95 09:30:20 17.15 11.63 5.35 0.17 136.71 154.43 464.50 09:40:05 6.57 0.01 6.32 0.24 1.40 176.86 824.08 09:50:01 5.03 0.00 4.87 0.16 0.13 147.34 487.90 10:00:05 9.57 0.13 9.01 0.42 3.89 620.06 348.71 Average: 24.11 3.79 17.95 2.37 115.71 3590.69 23069.26 08:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:09 1220976 5079088 10849596 66.26 267372 3535516 12375640 71.04 2233792 12285720 251428 08:40:20 2805868 6117896 9806140 59.89 268496 3037576 10949236 62.85 2239280 10746464 88 08:50:01 6473728 9809596 6115180 37.35 269432 3060284 6948956 39.89 2247104 7089816 548 09:00:20 8047456 11490868 4436904 27.10 274032 3162640 5204992 29.88 2283312 5487848 40 09:10:02 10150156 13638616 2290324 13.99 275608 3206044 3067288 17.61 2287672 3381320 11356 09:20:01 8004100 11535260 4392204 26.83 276792 3247560 5147808 29.55 2294772 5524064 340 09:30:20 7801376 11407264 4519884 27.61 281808 3304948 5257144 30.18 2335752 5656536 80 09:40:05 9197888 12841656 3086460 18.85 282396 3342140 4268652 24.50 2340332 4278208 18816 09:50:01 10215360 13881788 2046864 12.50 282940 3364172 3441496 19.75 2342628 3260356 20684 10:00:05 7510048 11303696 4623364 28.24 287092 3480804 5281952 30.32 2358216 5933380 376 Average: 7142696 10710573 5216692 31.86 276597 3274168 6194316 35.56 2296286 6364371 30376 08:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:09 lo 14.92 14.92 12.77 12.77 0.00 0.00 0.00 0.00 08:30:09 ens3 62.56 44.80 936.79 4.51 0.00 0.00 0.00 0.00 08:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:20 lo 46.46 46.46 21.96 21.96 0.00 0.00 0.00 0.00 08:40:20 ens3 1.91 1.57 0.37 0.31 0.00 0.00 0.00 0.00 08:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 lo 19.80 19.80 8.96 8.96 0.00 0.00 0.00 0.00 08:50:01 ens3 0.66 0.50 0.14 0.11 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:20 lo 12.31 12.31 5.79 5.79 0.00 0.00 0.00 0.00 09:00:20 ens3 1.16 1.10 0.31 1.23 0.00 0.00 0.00 0.00 09:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:02 lo 5.10 5.10 2.69 2.69 0.00 0.00 0.00 0.00 09:10:02 ens3 1.25 0.61 0.46 0.32 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 09:20:01 lo 18.71 18.71 10.00 10.00 0.00 0.00 0.00 0.00 09:20:01 ens3 0.94 0.69 0.22 0.17 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:20 lo 25.11 25.11 9.21 9.21 0.00 0.00 0.00 0.00 09:30:20 ens3 0.63 0.44 0.14 0.10 0.00 0.00 0.00 0.00 09:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:05 lo 23.10 23.10 10.69 10.69 0.00 0.00 0.00 0.00 09:40:05 ens3 1.02 0.63 0.29 0.20 0.00 0.00 0.00 0.00 09:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 lo 17.92 17.92 10.52 10.52 0.00 0.00 0.00 0.00 09:50:01 ens3 0.64 0.61 0.13 0.11 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:05 lo 19.07 19.07 10.42 10.42 0.00 0.00 0.00 0.00 10:00:05 ens3 1.04 0.94 0.29 0.23 0.00 0.00 0.00 0.00 10:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.32 20.32 10.33 10.33 0.00 0.00 0.00 0.00 Average: ens3 7.26 5.25 95.11 0.74 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-50303) 03/05/26 _x86_64_ (4 CPU) 08:16:42 LINUX RESTART (4 CPU) 08:20:01 CPU %user %nice %system %iowait %steal %idle 08:30:09 all 56.74 0.00 2.49 1.28 0.10 39.39 08:30:09 0 56.37 0.00 2.37 0.95 0.10 40.21 08:30:09 1 59.00 0.00 2.52 0.97 0.09 37.42 08:30:09 2 55.26 0.00 2.47 1.68 0.09 40.49 08:30:09 3 56.31 0.00 2.60 1.53 0.10 39.46 08:40:20 all 44.79 0.00 1.60 0.08 0.11 53.43 08:40:20 0 44.43 0.00 1.69 0.07 0.11 53.69 08:40:20 1 45.13 0.00 1.54 0.07 0.11 53.15 08:40:20 2 45.17 0.00 1.63 0.15 0.11 52.95 08:40:20 3 44.43 0.00 1.52 0.03 0.11 53.91 08:50:01 all 16.67 0.00 0.80 0.04 0.10 82.39 08:50:01 0 16.44 0.00 0.79 0.01 0.10 82.66 08:50:01 1 17.37 0.00 0.70 0.02 0.11 81.80 08:50:01 2 16.17 0.00 0.79 0.07 0.10 82.87 08:50:01 3 16.72 0.00 0.90 0.05 0.10 82.23 09:00:20 all 15.53 0.00 0.57 0.06 0.09 83.75 09:00:20 0 15.30 0.00 0.54 0.02 0.08 84.07 09:00:20 1 15.32 0.00 0.63 0.03 0.10 83.91 09:00:20 2 15.96 0.00 0.62 0.15 0.10 83.18 09:00:20 3 15.54 0.00 0.50 0.04 0.08 83.84 09:10:02 all 13.99 0.00 0.59 0.07 0.08 85.27 09:10:02 0 14.24 0.00 0.57 0.02 0.09 85.09 09:10:02 1 14.01 0.00 0.59 0.06 0.09 85.26 09:10:02 2 14.11 0.00 0.57 0.07 0.09 85.17 09:10:02 3 13.61 0.00 0.62 0.11 0.08 85.58 09:20:01 all 17.61 0.00 0.64 0.07 0.09 81.60 09:20:01 0 17.18 0.00 0.63 0.09 0.09 82.02 09:20:01 1 18.09 0.00 0.72 0.04 0.09 81.06 09:20:01 2 17.48 0.00 0.58 0.14 0.09 81.72 09:20:01 3 17.69 0.00 0.63 0.00 0.09 81.59 09:30:20 all 8.07 0.07 0.46 0.13 0.08 91.18 09:30:20 0 7.49 0.00 0.44 0.05 0.08 91.94 09:30:20 1 8.28 0.00 0.50 0.10 0.09 91.03 09:30:20 2 8.24 0.00 0.40 0.11 0.08 91.17 09:30:20 3 8.28 0.29 0.49 0.26 0.08 90.60 09:40:05 all 13.83 0.00 0.66 0.12 0.08 85.31 09:40:05 0 13.59 0.00 0.66 0.17 0.08 85.49 09:40:05 1 14.34 0.00 0.65 0.03 0.08 84.89 09:40:05 2 13.89 0.00 0.67 0.15 0.09 85.19 09:40:05 3 13.49 0.00 0.64 0.13 0.09 85.65 09:50:01 all 9.07 0.00 0.37 0.25 0.08 90.22 09:50:01 0 9.25 0.00 0.36 0.78 0.08 89.54 09:50:01 1 8.92 0.00 0.33 0.10 0.08 90.57 09:50:01 2 9.01 0.00 0.39 0.09 0.10 90.41 09:50:01 3 9.11 0.00 0.41 0.05 0.08 90.35 10:00:05 all 17.26 0.00 0.64 0.13 0.08 81.89 10:00:05 0 17.20 0.00 0.55 0.06 0.08 82.12 10:00:05 1 17.20 0.00 0.72 0.17 0.08 81.83 10:00:05 2 16.58 0.00 0.62 0.15 0.08 82.57 10:00:05 3 18.05 0.00 0.67 0.15 0.08 81.05 Average: all 21.44 0.01 0.88 0.23 0.09 77.36 Average: 0 21.23 0.00 0.86 0.22 0.09 77.60 Average: 1 21.85 0.00 0.90 0.16 0.09 77.01 Average: 2 21.27 0.00 0.88 0.28 0.09 77.48 Average: 3 21.40 0.03 0.90 0.24 0.09 77.34