---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-54538 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: 5599.94 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 10772 4 4521 14950 Swap: 1023 18 1005 ---> 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:30:8c:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79166sec preferred_lft 79166sec inet6 fe80::f816:3eff:fe30:8c4c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:4c:0c:14:48:78 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::c04c:cff:fe14:4878/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-54538) 03/31/26 _x86_64_ (4 CPU) 10:32:43 LINUX RESTART (4 CPU) 10:40:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:01 81.91 3.29 74.97 3.65 139.52 26053.16 9501.46 11:00:13 52.60 21.49 29.38 1.73 253.74 1863.89 1905.25 11:10:03 9.40 0.55 8.42 0.43 11.66 278.95 1365.18 11:20:13 4.57 0.05 4.35 0.17 2.10 148.99 663.28 11:30:13 20.62 0.02 19.62 0.98 0.68 838.13 358.77 11:40:13 8.93 1.67 6.94 0.31 32.41 205.93 132.01 11:50:13 5.43 0.26 4.98 0.18 7.57 139.47 134.51 12:00:13 4.44 0.07 4.18 0.18 2.35 128.13 53.75 12:10:05 4.27 0.04 4.11 0.12 1.89 139.29 78.31 12:20:05 9.40 0.06 8.98 0.36 4.92 566.21 198.89 12:30:05 6.77 0.05 6.45 0.27 2.08 267.60 251.33 Average: 18.90 2.54 15.60 0.76 41.96 2744.28 1318.06 10:40:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:01 2429968 6263256 9665700 59.03 260956 3498688 10977872 63.01 2029780 11268184 960 11:00:13 2744512 6125892 9807684 59.90 273216 3088680 11023504 63.27 2079488 10964760 176 11:10:03 2248708 5650920 10281572 62.80 274484 3108244 11155532 64.03 2088932 11456364 560 11:20:13 10681224 14173512 1765012 10.78 277784 3194916 2897760 16.63 2106408 3031492 79704 11:30:13 9405268 12972940 2965140 18.11 281056 3266988 3777308 21.68 2130532 4284740 268 11:40:13 7774864 11369132 4567844 27.90 282020 3292648 5357500 30.75 2140960 5891648 212 11:50:13 7743544 11357508 4579352 27.97 282752 3311616 5297820 30.41 2143940 5904068 348 12:00:13 6314908 9946412 5989656 36.58 283376 3328520 6837420 39.25 2146264 7344056 264 12:10:05 6321348 9973532 5962600 36.42 283788 3348792 6774100 38.88 2149716 7335636 384 12:20:05 7724484 11504576 4432456 27.07 287928 3467884 5254292 30.16 2158656 5920368 316 12:30:05 6858876 10686708 5249692 32.06 288592 3514880 6053900 34.75 2177536 6768380 820 Average: 6386155 10002217 5933337 36.24 279632 3311078 6855183 39.35 2122928 7288154 7637 10:40:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:01 lo 11.66 11.66 11.62 11.62 0.00 0.00 0.00 0.00 10:50:01 ens3 39.06 27.22 657.63 3.05 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:13 lo 45.53 45.53 21.36 21.36 0.00 0.00 0.00 0.00 11:00:13 ens3 2.13 1.95 0.48 0.42 0.00 0.00 0.00 0.00 11:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:03 lo 27.08 27.08 12.33 12.33 0.00 0.00 0.00 0.00 11:10:03 ens3 1.95 0.69 0.39 0.20 0.00 0.00 0.00 0.00 11:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:13 lo 4.85 4.85 1.83 1.83 0.00 0.00 0.00 0.00 11:20:13 ens3 0.68 0.35 0.21 0.14 0.00 0.00 0.00 0.00 11:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:13 lo 12.66 12.66 7.27 7.27 0.00 0.00 0.00 0.00 11:30:13 ens3 0.99 0.87 0.19 0.16 0.00 0.00 0.00 0.00 11:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:13 lo 19.64 19.64 9.52 9.52 0.00 0.00 0.00 0.00 11:40:13 ens3 1.64 1.43 0.28 1.60 0.00 0.00 0.00 0.00 11:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:13 lo 28.34 28.34 10.06 10.06 0.00 0.00 0.00 0.00 11:50:13 ens3 0.81 0.46 0.19 0.12 0.00 0.00 0.00 0.00 11:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:13 lo 7.83 7.83 4.69 4.69 0.00 0.00 0.00 0.00 12:00:13 ens3 0.67 0.39 0.18 0.12 0.00 0.00 0.00 0.00 12:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:05 lo 19.64 19.64 10.49 10.49 0.00 0.00 0.00 0.00 12:10:05 ens3 1.27 0.77 0.29 0.20 0.00 0.00 0.00 0.00 12:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:05 lo 16.83 16.83 10.02 10.02 0.00 0.00 0.00 0.00 12:20:05 ens3 1.10 0.88 0.30 0.24 0.00 0.00 0.00 0.00 12:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:05 lo 25.79 25.79 10.80 10.80 0.00 0.00 0.00 0.00 12:30:05 ens3 1.00 0.83 0.23 0.18 0.00 0.00 0.00 0.00 12:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.02 20.02 10.00 10.00 0.00 0.00 0.00 0.00 Average: ens3 4.60 3.22 58.93 0.58 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-54538) 03/31/26 _x86_64_ (4 CPU) 10:32:43 LINUX RESTART (4 CPU) 10:40:13 CPU %user %nice %system %iowait %steal %idle 10:50:01 all 47.37 0.00 2.03 8.31 0.10 42.19 10:50:01 0 50.32 0.00 1.87 9.37 0.11 38.33 10:50:01 1 45.94 0.00 2.21 10.83 0.10 40.91 10:50:01 2 47.77 0.00 1.86 8.92 0.10 41.35 10:50:01 3 45.46 0.00 2.16 4.08 0.10 48.20 11:00:13 all 55.87 0.00 2.04 0.22 0.13 41.73 11:00:13 0 55.53 0.00 2.10 0.47 0.13 41.76 11:00:13 1 56.27 0.00 2.07 0.23 0.14 41.30 11:00:13 2 55.77 0.00 1.96 0.09 0.14 42.04 11:00:13 3 55.93 0.00 2.05 0.10 0.13 41.80 11:10:03 all 19.20 0.00 0.83 0.52 0.10 79.36 11:10:03 0 19.41 0.00 0.76 0.26 0.10 79.47 11:10:03 1 19.54 0.00 0.92 1.04 0.10 78.41 11:10:03 2 18.98 0.00 0.85 0.19 0.10 79.88 11:10:03 3 18.87 0.00 0.79 0.57 0.10 79.68 11:20:13 all 4.20 0.00 0.39 0.10 0.09 95.21 11:20:13 0 3.88 0.00 0.33 0.06 0.08 95.66 11:20:13 1 3.98 0.00 0.41 0.24 0.09 95.28 11:20:13 2 4.42 0.00 0.39 0.04 0.08 95.07 11:20:13 3 4.53 0.00 0.41 0.08 0.13 94.85 11:30:13 all 30.44 0.00 1.02 0.10 0.09 68.34 11:30:13 0 30.13 0.00 0.94 0.07 0.09 68.78 11:30:13 1 30.74 0.00 0.99 0.21 0.09 67.96 11:30:13 2 30.49 0.00 1.06 0.10 0.09 68.27 11:30:13 3 30.41 0.00 1.09 0.04 0.08 68.37 11:40:13 all 14.78 0.00 0.59 0.13 0.07 84.42 11:40:13 0 15.05 0.00 0.61 0.18 0.07 84.10 11:40:13 1 14.35 0.00 0.56 0.18 0.08 84.84 11:40:13 2 14.89 0.00 0.65 0.15 0.08 84.23 11:40:13 3 14.84 0.00 0.54 0.02 0.07 84.52 11:50:13 all 8.98 0.00 0.49 0.16 0.07 90.30 11:50:13 0 8.94 0.00 0.48 0.11 0.06 90.41 11:50:13 1 8.92 0.00 0.49 0.24 0.06 90.30 11:50:13 2 8.69 0.00 0.51 0.18 0.08 90.55 11:50:13 3 9.38 0.00 0.50 0.11 0.06 89.94 12:00:13 all 9.43 0.00 0.53 0.06 0.07 89.92 12:00:13 0 9.11 0.00 0.52 0.00 0.06 90.31 12:00:13 1 9.44 0.00 0.58 0.16 0.07 89.75 12:00:13 2 9.77 0.00 0.55 0.03 0.07 89.58 12:00:13 3 9.41 0.00 0.48 0.02 0.06 90.02 12:10:05 all 11.02 0.00 0.59 0.28 0.12 88.00 12:10:05 0 10.96 0.00 0.65 0.40 0.20 87.78 12:10:05 1 11.13 0.00 0.61 0.19 0.08 87.98 12:10:05 2 11.41 0.00 0.56 0.13 0.08 87.83 12:10:05 3 10.57 0.00 0.53 0.38 0.12 88.39 12:20:05 all 14.82 0.00 0.66 0.18 0.11 84.23 12:20:05 0 15.01 0.00 0.60 0.29 0.08 84.02 12:20:05 1 14.80 0.00 0.70 0.17 0.12 84.21 12:20:05 2 14.82 0.00 0.65 0.13 0.12 84.27 12:20:05 3 14.67 0.00 0.67 0.11 0.12 84.44 12:30:05 all 16.46 0.00 0.58 0.23 0.07 82.65 12:30:05 0 15.77 0.00 0.54 0.40 0.09 83.20 12:30:05 1 16.34 0.00 0.55 0.05 0.07 82.99 12:30:05 2 16.65 0.00 0.54 0.26 0.07 82.48 12:30:05 3 17.08 0.00 0.69 0.22 0.07 81.93 Average: CPU %user %nice %system %iowait %steal %idle Average: all 21.13 0.00 0.89 0.92 0.09 76.97 Average: 0 21.27 0.00 0.85 1.04 0.10 76.74 Average: 1 21.03 0.00 0.92 1.21 0.09 76.75 Average: 2 21.22 0.00 0.87 0.91 0.09 76.90 Average: 3 21.00 0.00 0.90 0.51 0.10 77.49