---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-16142 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 695 10985 4 4308 14951 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:93:e3:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79539sec preferred_lft 79539sec inet6 fe80::f816:3eff:fe93:e3d1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:82:12:94:4c:9f 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::6c82:12ff:fe94:4c9f/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-16142) 03/23/26 _x86_64_ (4 CPU) 19:14:23 LINUX RESTART (4 CPU) 19:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:30:03 117.47 27.81 71.40 18.26 471.97 10658.79 219641.20 19:40:02 16.48 0.21 15.34 0.92 10.66 396.10 875.14 19:50:03 7.28 0.13 6.76 0.38 8.12 247.53 1339.28 20:00:03 10.96 0.04 10.42 0.49 0.65 585.73 737.19 20:10:03 16.34 0.01 15.63 0.69 0.57 502.75 489.28 20:20:03 7.85 0.01 7.53 0.31 0.52 222.13 361.35 20:30:03 5.40 0.02 5.18 0.20 1.67 157.61 85.11 20:40:01 5.51 0.00 5.32 0.19 0.31 153.38 66.88 20:50:03 5.46 0.02 5.27 0.17 0.66 160.89 79.53 21:00:03 9.08 0.03 8.65 0.39 3.87 576.08 312.86 Average: 20.18 2.83 15.15 2.20 49.90 1366.08 22398.87 19:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:30:03 5143192 8183364 7750636 47.34 271216 2772288 10052660 57.70 2158796 8519144 3636 19:40:02 3355556 6422236 9511576 58.09 274140 2795700 10933288 62.76 2191400 10265820 728 19:50:03 6766192 9856804 6079612 37.13 275244 2818508 6948548 39.88 2198520 6840324 388 20:00:03 8398520 11597216 4340052 26.51 279812 2922084 5175260 29.71 2245228 5182368 296 20:10:03 8208308 11478980 4458168 27.23 282424 2991432 5251108 30.14 2250992 5372472 240 20:20:03 8150560 11450980 4486080 27.40 283284 3020320 5297064 30.41 2252936 5423900 296 20:30:03 6600248 9922432 6013872 36.73 283880 3041484 6825360 39.18 2255288 6971460 256 20:40:01 6695676 10038868 5897404 36.02 284456 3061916 6737128 38.67 2258424 6851632 704 20:50:03 8049684 11416012 4521076 27.61 285116 3084392 5346916 30.69 2260852 5517636 408 21:00:03 7883684 11379648 4557284 27.83 289228 3207712 5200892 29.85 2275692 5665420 244 Average: 6925162 10174654 5761576 35.19 280880 2971584 6776822 38.90 2234813 6661018 720 19:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:30:03 lo 22.20 22.20 17.58 17.58 0.00 0.00 0.00 0.00 19:30:03 ens3 2.10 1.84 0.64 0.54 0.00 0.00 0.00 0.00 19:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:02 lo 43.74 43.74 18.50 18.50 0.00 0.00 0.00 0.00 19:40:02 ens3 2.48 1.24 0.48 0.30 0.00 0.00 0.00 0.00 19:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:03 lo 14.91 14.91 7.83 7.83 0.00 0.00 0.00 0.00 19:50:03 ens3 0.85 0.52 0.18 0.13 0.00 0.00 0.00 0.00 19:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:03 lo 12.57 12.57 5.80 5.80 0.00 0.00 0.00 0.00 20:00:03 ens3 1.07 0.68 0.30 0.22 0.00 0.00 0.00 0.00 20:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:03 lo 17.59 17.59 8.62 8.62 0.00 0.00 0.00 0.00 20:10:03 ens3 1.60 0.73 0.30 0.18 0.00 0.00 0.00 0.00 20:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:03 lo 17.04 17.04 8.68 8.68 0.00 0.00 0.00 0.00 20:20:03 ens3 0.85 0.57 0.18 0.13 0.00 0.00 0.00 0.00 20:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:03 lo 28.59 28.59 11.55 11.55 0.00 0.00 0.00 0.00 20:30:03 ens3 0.78 0.43 0.15 0.10 0.00 0.00 0.00 0.00 20:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:01 lo 15.63 15.63 8.02 8.02 0.00 0.00 0.00 0.00 20:40:01 ens3 1.38 1.11 0.25 1.49 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:03 lo 15.47 15.47 8.67 8.67 0.00 0.00 0.00 0.00 20:50:03 ens3 0.72 0.58 0.14 0.11 0.00 0.00 0.00 0.00 20:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:03 lo 23.14 23.14 10.97 10.97 0.00 0.00 0.00 0.00 21:00:03 ens3 1.04 0.85 0.28 0.23 0.00 0.00 0.00 0.00 21:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.08 21.08 10.62 10.62 0.00 0.00 0.00 0.00 Average: ens3 1.29 0.86 0.29 0.34 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-16142) 03/23/26 _x86_64_ (4 CPU) 19:14:23 LINUX RESTART (4 CPU) 19:20:03 CPU %user %nice %system %iowait %steal %idle 19:30:03 all 56.87 0.00 2.17 0.26 0.10 40.60 19:30:03 0 56.92 0.00 2.04 0.43 0.09 40.51 19:30:03 1 58.14 0.00 2.27 0.28 0.10 39.20 19:30:03 2 56.09 0.00 2.33 0.11 0.10 41.37 19:30:03 3 56.32 0.00 2.02 0.23 0.10 41.33 19:40:02 all 33.32 0.00 1.38 0.05 0.11 65.14 19:40:02 0 33.29 0.00 1.32 0.06 0.11 65.21 19:40:02 1 33.16 0.00 1.31 0.07 0.12 65.35 19:40:02 2 33.57 0.00 1.50 0.02 0.11 64.80 19:40:02 3 33.24 0.00 1.41 0.05 0.11 65.19 19:50:03 all 15.78 0.00 0.70 0.06 0.09 83.38 19:50:03 0 15.65 0.00 0.65 0.05 0.09 83.56 19:50:03 1 15.95 0.00 0.66 0.05 0.09 83.26 19:50:03 2 15.81 0.00 0.69 0.05 0.09 83.35 19:50:03 3 15.71 0.00 0.78 0.08 0.10 83.33 20:00:03 all 16.35 0.00 0.68 0.04 0.09 82.83 20:00:03 0 15.80 0.00 0.62 0.03 0.09 83.46 20:00:03 1 15.83 0.00 0.71 0.09 0.09 83.27 20:00:03 2 16.26 0.00 0.79 0.04 0.10 82.82 20:00:03 3 17.50 0.00 0.60 0.02 0.09 81.79 20:10:03 all 24.72 0.00 0.85 0.07 0.10 74.27 20:10:03 0 24.82 0.00 0.85 0.05 0.10 74.18 20:10:03 1 25.55 0.00 0.85 0.15 0.10 73.34 20:10:03 2 23.70 0.00 0.83 0.04 0.10 75.33 20:10:03 3 24.81 0.00 0.85 0.03 0.09 74.22 20:20:03 all 12.98 0.00 0.55 0.04 0.09 86.34 20:20:03 0 13.40 0.00 0.49 0.06 0.09 85.96 20:20:03 1 13.16 0.00 0.52 0.07 0.09 86.16 20:20:03 2 13.27 0.00 0.69 0.02 0.09 85.93 20:20:03 3 12.09 0.00 0.49 0.03 0.09 87.31 20:30:03 all 10.20 0.00 0.41 0.02 0.09 89.27 20:30:03 0 9.68 0.00 0.50 0.07 0.10 89.65 20:30:03 1 10.40 0.00 0.36 0.02 0.10 89.12 20:30:03 2 10.60 0.00 0.45 0.01 0.10 88.84 20:30:03 3 10.10 0.00 0.33 0.00 0.08 89.48 20:40:01 all 9.33 0.00 0.40 0.03 0.11 90.13 20:40:01 0 9.26 0.00 0.40 0.03 0.10 90.22 20:40:01 1 9.50 0.00 0.39 0.06 0.12 89.93 20:40:01 2 9.59 0.00 0.43 0.01 0.11 89.86 20:40:01 3 8.97 0.00 0.40 0.01 0.10 90.52 20:50:03 all 7.75 0.00 0.36 0.03 0.09 91.77 20:50:03 0 7.74 0.00 0.36 0.04 0.07 91.78 20:50:03 1 7.06 0.00 0.36 0.00 0.10 92.48 20:50:03 2 8.23 0.00 0.34 0.06 0.09 91.28 20:50:03 3 7.95 0.00 0.40 0.01 0.09 91.56 21:00:03 all 14.28 0.00 0.52 0.04 0.10 85.07 21:00:03 0 13.81 0.00 0.45 0.02 0.10 85.63 21:00:03 1 14.46 0.00 0.59 0.04 0.10 84.82 21:00:03 2 15.10 0.00 0.54 0.08 0.10 84.18 21:00:03 3 13.73 0.00 0.50 0.02 0.09 85.65 Average: all 20.15 0.00 0.80 0.06 0.10 78.88 Average: 0 20.04 0.00 0.77 0.08 0.09 79.02 Average: 1 20.33 0.00 0.80 0.08 0.10 78.69 Average: 2 20.22 0.00 0.86 0.04 0.10 78.78 Average: 3 20.04 0.00 0.78 0.05 0.09 79.04