---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-15494 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 61G 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 10760 3 4514 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:07:1a:3a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79997sec preferred_lft 79997sec inet6 fe80::f816:3eff:fe07:1a3a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:17:53:86:05:16 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::d817:53ff:fe86:516/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-15494) 03/23/26 _x86_64_ (4 CPU) 19:06:39 LINUX RESTART (4 CPU) 19:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:13 89.44 8.05 78.65 2.73 754.62 32976.02 9715.94 19:30:13 74.63 22.92 48.75 2.96 318.51 5528.03 2946.62 19:40:13 10.60 0.12 9.98 0.51 5.83 278.71 254.77 19:50:02 20.76 0.08 19.75 0.93 5.16 774.30 557.61 20:00:13 10.17 0.01 9.73 0.44 0.48 260.19 208.16 20:10:13 4.92 0.00 4.75 0.17 0.16 123.09 51.99 20:20:00 5.20 0.01 5.01 0.18 1.17 143.66 82.95 20:30:13 20.41 0.06 5.10 15.26 0.94 142.27 207277.38 20:40:13 9.61 0.03 9.17 0.41 4.00 551.83 128.28 20:50:13 7.34 0.02 6.98 0.34 0.92 259.60 546.48 Average: 25.33 3.13 19.78 2.42 109.25 4106.54 22634.68 19:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:13 4764652 15314120 613112 3.74 241024 10097024 1389628 7.98 1993148 8864248 9484 19:30:13 1348320 4793940 11137204 68.02 271592 3145508 11790924 67.68 2092768 12336960 464 19:40:13 3375988 6840960 9091980 55.53 273092 3163396 9822072 56.38 2112748 10267624 224 19:50:02 10140784 13736636 2201128 13.44 278896 3288380 2976128 17.08 2155520 3516332 216 20:00:13 7718824 11344352 4592080 28.05 280412 3316540 5391364 30.95 2158332 5926956 508 20:10:13 7724276 11363064 4573480 27.93 280940 3329276 5397400 30.98 2159504 5915564 168 20:20:00 6309692 9965604 5970004 36.46 281456 3345912 6780088 38.92 2161848 7314312 160 20:30:13 6196780 9875192 6060456 37.01 282204 3367656 6812752 39.11 2170128 7430088 300 20:40:13 7571032 11371668 4564508 27.88 286428 3481172 5304316 30.45 2178844 6041580 96 20:50:13 6833320 10676240 5259732 32.12 287336 3522324 6003496 34.46 2198196 6763480 72 Average: 6198367 10528178 5406368 33.02 276338 4005719 6166817 35.40 2138104 7437714 1169 19:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:13 lo 2.50 2.50 2.21 2.21 0.00 0.00 0.00 0.00 19:20:13 ens3 149.08 110.59 1610.81 10.65 0.00 0.00 0.00 0.00 19:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:13 lo 37.41 37.41 24.13 24.13 0.00 0.00 0.00 0.00 19:30:13 ens3 2.50 2.25 0.73 0.62 0.00 0.00 0.00 0.00 19:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:13 lo 36.71 36.71 13.66 13.66 0.00 0.00 0.00 0.00 19:40:13 ens3 2.13 0.90 0.41 0.23 0.00 0.00 0.00 0.00 19:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:02 lo 13.19 13.19 6.48 6.48 0.00 0.00 0.00 0.00 19:50:02 ens3 1.40 1.12 0.35 1.28 0.00 0.00 0.00 0.00 19:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:13 lo 19.74 19.74 10.28 10.28 0.00 0.00 0.00 0.00 20:00:13 ens3 1.11 0.79 0.25 0.19 0.00 0.00 0.00 0.00 20:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:13 lo 16.44 16.44 6.19 6.19 0.00 0.00 0.00 0.00 20:10:13 ens3 1.26 0.46 0.24 0.13 0.00 0.00 0.00 0.00 20:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:00 lo 25.88 25.88 11.18 11.18 0.00 0.00 0.00 0.00 20:20:00 ens3 0.74 0.47 0.16 0.11 0.00 0.00 0.00 0.00 20:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:13 lo 17.33 17.33 10.33 10.33 0.00 0.00 0.00 0.00 20:30:13 ens3 0.87 0.53 0.17 0.12 0.00 0.00 0.00 0.00 20:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:13 lo 14.71 14.71 8.17 8.17 0.00 0.00 0.00 0.00 20:40:13 ens3 1.22 0.71 0.33 0.23 0.00 0.00 0.00 0.00 20:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:13 lo 24.19 24.19 10.28 10.28 0.00 0.00 0.00 0.00 20:50:13 ens3 0.89 0.66 0.17 0.13 0.00 0.00 0.00 0.00 20:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.80 20.80 10.29 10.29 0.00 0.00 0.00 0.00 Average: ens3 16.14 11.86 161.55 1.37 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-15494) 03/23/26 _x86_64_ (4 CPU) 19:06:39 LINUX RESTART (4 CPU) 19:10:12 CPU %user %nice %system %iowait %steal %idle 19:20:13 all 35.37 0.00 2.13 4.41 0.08 58.01 19:20:13 0 34.30 0.00 2.14 4.24 0.08 59.24 19:20:13 1 36.39 0.00 2.13 5.11 0.08 56.28 19:20:13 2 36.71 0.00 2.28 5.07 0.09 55.85 19:20:13 3 34.06 0.00 1.96 3.23 0.08 60.67 19:30:13 all 67.52 0.00 2.52 0.11 0.12 29.73 19:30:13 0 67.79 0.00 2.36 0.07 0.12 29.67 19:30:13 1 68.04 0.00 2.57 0.09 0.12 29.18 19:30:13 2 67.16 0.00 2.70 0.12 0.12 29.91 19:30:13 3 67.10 0.00 2.44 0.17 0.13 30.16 19:40:13 all 20.95 0.00 1.10 0.06 0.09 77.81 19:40:13 0 20.82 0.00 1.01 0.07 0.08 78.02 19:40:13 1 21.37 0.00 1.20 0.02 0.09 77.32 19:40:13 2 20.64 0.00 1.16 0.10 0.09 78.00 19:40:13 3 20.96 0.00 1.03 0.04 0.09 77.88 19:50:02 all 29.84 0.00 1.11 0.14 0.08 68.82 19:50:02 0 30.10 0.00 0.97 0.31 0.08 68.54 19:50:02 1 30.42 0.00 1.08 0.04 0.08 68.38 19:50:02 2 29.88 0.00 1.13 0.05 0.08 68.85 19:50:02 3 28.97 0.00 1.27 0.18 0.09 69.49 20:00:13 all 18.14 0.00 0.67 0.03 0.08 81.09 20:00:13 0 18.15 0.00 0.57 0.05 0.08 81.15 20:00:13 1 18.01 0.00 0.66 0.02 0.08 81.22 20:00:13 2 18.23 0.00 0.68 0.03 0.07 80.99 20:00:13 3 18.15 0.00 0.77 0.01 0.08 80.99 20:10:13 all 7.40 0.00 0.34 0.02 0.07 92.17 20:10:13 0 7.55 0.00 0.36 0.03 0.07 92.00 20:10:13 1 7.41 0.00 0.40 0.01 0.07 92.12 20:10:13 2 7.65 0.00 0.32 0.01 0.07 91.95 20:10:13 3 6.99 0.00 0.30 0.05 0.07 92.59 20:20:00 all 10.27 0.00 0.40 0.02 0.07 89.24 20:20:00 0 10.40 0.00 0.35 0.02 0.07 89.16 20:20:00 1 10.38 0.00 0.43 0.04 0.07 89.08 20:20:00 2 10.20 0.00 0.36 0.01 0.07 89.37 20:20:00 3 10.10 0.00 0.45 0.02 0.07 89.36 20:30:13 all 9.56 0.00 0.42 0.04 0.07 89.91 20:30:13 0 9.55 0.00 0.40 0.01 0.07 89.97 20:30:13 1 9.23 0.00 0.45 0.04 0.08 90.20 20:30:13 2 9.71 0.00 0.45 0.01 0.08 89.75 20:30:13 3 9.75 0.00 0.38 0.09 0.07 89.71 20:40:13 all 13.19 0.00 0.49 0.03 0.08 86.22 20:40:13 0 12.82 0.00 0.46 0.07 0.07 86.58 20:40:13 1 12.76 0.00 0.49 0.02 0.08 86.66 20:40:13 2 13.97 0.00 0.52 0.01 0.08 85.42 20:40:13 3 13.20 0.00 0.47 0.03 0.08 86.22 20:50:13 all 14.85 0.00 0.56 0.03 0.08 84.49 20:50:13 0 14.67 0.00 0.54 0.03 0.09 84.67 20:50:13 1 14.23 0.00 0.58 0.01 0.08 85.10 20:50:13 2 15.46 0.00 0.62 0.01 0.07 83.84 20:50:13 3 15.05 0.00 0.49 0.05 0.07 84.33 Average: all 22.70 0.00 0.97 0.49 0.08 75.76 Average: 0 22.61 0.00 0.92 0.49 0.08 75.90 Average: 1 22.80 0.00 1.00 0.54 0.08 75.57 Average: 2 22.94 0.00 1.02 0.54 0.08 75.41 Average: 3 22.43 0.00 0.95 0.39 0.08 76.15