---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-4743 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 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 706 11217 4 4065 14940 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:0a:c2:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80247sec preferred_lft 80247sec inet6 fe80::f816:3eff:fe0a:c2c6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:4a:1e:f3:0a:48 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::4a:1eff:fef3:a48/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-4743) 03/18/26 _x86_64_ (4 CPU) 10:34:27 LINUX RESTART (4 CPU) 10:40:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:14 108.66 22.59 67.98 18.09 302.48 10857.29 219955.58 11:00:15 19.06 2.39 15.84 0.83 54.71 384.14 348.75 11:10:16 13.42 0.14 12.57 0.71 11.27 644.49 1335.38 11:20:16 16.44 0.05 15.64 0.75 1.80 409.89 868.99 11:30:01 7.28 0.03 6.91 0.33 1.44 184.64 198.80 11:40:16 4.64 0.01 4.46 0.17 1.13 130.99 50.45 11:50:16 4.70 0.01 4.53 0.15 0.56 131.77 57.87 12:00:01 4.75 0.00 4.58 0.17 0.14 132.70 69.59 12:10:16 8.79 0.03 8.37 0.39 3.77 528.87 330.76 Average: 20.86 2.81 15.66 2.40 41.94 1490.31 24799.29 10:40:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:14 3897148 7352608 8576472 52.38 268592 3155632 9451560 54.25 2078308 9781560 2040 11:00:15 3957244 7015684 8917072 54.46 268752 2790524 9618628 55.21 2127892 9712568 264 11:10:16 8437940 11604312 4332464 26.46 273812 2893176 5179912 29.73 2161604 5237736 120 11:20:16 8224748 11435332 4501496 27.49 276652 2934556 5251452 30.14 2168696 5429672 456 11:30:01 8323172 11554104 4382908 26.77 277612 2953920 5181336 29.74 2171032 5328252 512 11:40:16 6830452 10078548 5857424 35.77 278084 2970608 6689652 38.40 2173104 6820864 140 11:50:16 6596688 9861580 6074368 37.10 278500 2986988 6808612 39.08 2176228 7056236 320 12:00:01 8159084 11441368 4495520 27.46 279148 3003732 5305044 30.45 2178576 5495140 556 12:10:16 7897348 11297108 4639532 28.34 283300 3117088 5251688 30.14 2192808 5722800 420 Average: 6924869 10182294 5753028 35.14 276050 2978469 6526432 37.46 2158694 6731648 536 10:40:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:14 lo 20.72 20.72 17.14 17.14 0.00 0.00 0.00 0.00 10:50:14 ens3 1.92 1.76 0.58 0.50 0.00 0.00 0.00 0.00 10:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:15 lo 40.81 40.81 17.11 17.11 0.00 0.00 0.00 0.00 11:00:15 ens3 1.64 1.47 0.31 1.27 0.00 0.00 0.00 0.00 11:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:16 lo 20.15 20.15 8.48 8.48 0.00 0.00 0.00 0.00 11:10:16 ens3 1.17 0.94 0.30 0.25 0.00 0.00 0.00 0.00 11:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:16 lo 16.49 16.49 8.28 8.28 0.00 0.00 0.00 0.00 11:20:16 ens3 1.42 0.99 0.28 0.20 0.00 0.00 0.00 0.00 11:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 16.94 16.94 8.76 8.76 0.00 0.00 0.00 0.00 11:30:01 ens3 0.91 0.62 0.20 0.15 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:16 lo 29.05 29.05 11.48 11.48 0.00 0.00 0.00 0.00 11:40:16 ens3 0.85 0.59 0.22 0.16 0.00 0.00 0.00 0.00 11:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:16 lo 19.91 19.91 10.71 10.71 0.00 0.00 0.00 0.00 11:50:16 ens3 0.98 0.76 0.21 0.16 0.00 0.00 0.00 0.00 11:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 10.73 10.73 6.09 6.09 0.00 0.00 0.00 0.00 12:00:01 ens3 1.37 0.48 0.31 0.18 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:16 lo 20.78 20.78 10.03 10.03 0.00 0.00 0.00 0.00 12:10:16 ens3 1.13 0.94 0.29 0.23 0.00 0.00 0.00 0.00 12:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.80 21.80 10.92 10.92 0.00 0.00 0.00 0.00 Average: ens3 1.26 0.95 0.30 0.35 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-4743) 03/18/26 _x86_64_ (4 CPU) 10:34:27 LINUX RESTART (4 CPU) 10:40:14 CPU %user %nice %system %iowait %steal %idle 10:50:14 all 51.30 0.00 1.97 0.29 0.10 46.34 10:50:14 0 51.43 0.00 2.02 0.25 0.10 46.21 10:50:14 1 52.74 0.00 1.92 0.25 0.10 45.00 10:50:14 2 49.59 0.00 2.12 0.37 0.10 47.82 10:50:14 3 51.43 0.00 1.84 0.30 0.10 46.33 11:00:15 all 33.83 0.00 1.30 0.06 0.10 64.72 11:00:15 0 33.81 0.00 1.26 0.05 0.09 64.79 11:00:15 1 33.68 0.00 1.41 0.01 0.10 64.79 11:00:15 2 33.93 0.00 1.28 0.02 0.10 64.67 11:00:15 3 33.88 0.00 1.23 0.16 0.10 64.63 11:10:16 all 23.25 0.00 0.89 0.29 0.09 75.48 11:10:16 0 23.44 0.00 0.93 0.14 0.09 75.40 11:10:16 1 23.39 0.00 0.88 0.79 0.09 74.85 11:10:16 2 23.36 0.00 0.90 0.13 0.09 75.53 11:10:16 3 22.82 0.00 0.84 0.11 0.09 76.14 11:20:16 all 25.13 0.00 0.80 0.08 0.08 73.91 11:20:16 0 25.18 0.00 0.78 0.05 0.08 73.91 11:20:16 1 25.36 0.00 0.78 0.21 0.08 73.58 11:20:16 2 25.39 0.00 0.88 0.03 0.08 73.62 11:20:16 3 24.59 0.00 0.76 0.03 0.08 74.54 11:30:01 all 13.36 0.00 0.50 0.05 0.07 86.01 11:30:01 0 13.15 0.00 0.48 0.08 0.07 86.22 11:30:01 1 13.77 0.00 0.57 0.10 0.07 85.50 11:30:01 2 13.49 0.00 0.47 0.02 0.07 85.96 11:30:01 3 13.05 0.00 0.49 0.02 0.07 86.37 11:40:16 all 11.33 0.00 0.58 0.22 0.07 87.81 11:40:16 0 11.54 0.00 0.63 0.64 0.06 87.12 11:40:16 1 11.37 0.00 0.57 0.15 0.07 87.85 11:40:16 2 10.99 0.00 0.57 0.07 0.07 88.30 11:40:16 3 11.41 0.00 0.54 0.02 0.07 87.96 11:50:16 all 11.13 0.00 0.60 0.13 0.06 88.08 11:50:16 0 11.19 0.00 0.65 0.15 0.07 87.94 11:50:16 1 11.38 0.00 0.58 0.09 0.05 87.90 11:50:16 2 11.40 0.00 0.61 0.08 0.07 87.85 11:50:16 3 10.53 0.00 0.57 0.21 0.06 88.64 12:00:01 all 8.28 0.00 0.52 0.09 0.05 91.05 12:00:01 0 7.76 0.00 0.54 0.04 0.05 91.61 12:00:01 1 8.39 0.00 0.60 0.02 0.06 90.92 12:00:01 2 8.71 0.00 0.58 0.12 0.06 90.53 12:00:01 3 8.26 0.00 0.38 0.18 0.04 91.14 12:10:16 all 15.37 0.00 0.63 0.05 0.06 83.89 12:10:16 0 15.09 0.00 0.64 0.06 0.06 84.14 12:10:16 1 15.78 0.00 0.78 0.02 0.06 83.37 12:10:16 2 16.06 0.00 0.56 0.03 0.06 83.28 12:10:16 3 14.54 0.00 0.53 0.08 0.06 84.78 Average: all 21.45 0.00 0.87 0.14 0.07 77.47 Average: 0 21.41 0.00 0.88 0.16 0.07 77.47 Average: 1 21.76 0.00 0.90 0.18 0.07 77.09 Average: 2 21.43 0.00 0.89 0.10 0.08 77.51 Average: 3 21.18 0.00 0.80 0.12 0.07 77.82