---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-20164 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 704 10726 3 4558 14942 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:ff:68:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79658sec preferred_lft 79658sec inet6 fe80::f816:3eff:feff:6824/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:61:7b:b5:1c:dd 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-20164) 02/23/26 _x86_64_ (4 CPU) 11:25:38 LINUX RESTART (4 CPU) 11:30:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:10 112.49 24.22 83.47 4.80 771.82 24797.08 16198.98 11:50:18 20.93 1.39 18.53 1.00 21.60 479.05 899.59 12:00:18 7.02 0.14 6.54 0.35 7.16 263.02 1076.70 12:10:16 9.31 0.13 8.80 0.38 7.48 485.01 987.15 12:20:18 29.52 12.01 16.86 0.65 143.76 562.04 513.20 12:30:01 4.78 0.00 4.64 0.14 0.29 127.92 48.73 12:40:18 5.65 0.00 5.49 0.16 0.16 148.67 87.84 12:50:04 6.70 0.01 6.44 0.25 1.41 241.48 169.68 13:00:03 4.51 0.00 4.37 0.14 0.15 149.64 73.25 13:10:03 10.64 0.03 10.24 0.36 0.87 562.88 252.67 Average: 21.09 3.78 16.49 0.82 94.84 2758.16 2016.59 11:30:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:10 815280 4387024 11542284 70.50 259008 3273488 13121776 75.32 2026720 12914768 2628 11:50:18 3067248 6391852 9541164 58.27 260924 3046564 10959348 62.91 2049244 10669880 684 12:00:18 5271192 8620144 7315176 44.68 261684 3070152 8391812 48.17 2057332 8460860 272 12:10:16 11872492 15328420 609604 3.72 265868 3172756 1330040 7.63 2095276 1853632 9780 12:20:18 8003144 11584588 4351716 26.58 273512 3280096 5136128 29.48 2141460 5644264 324 12:30:01 7671672 11268584 4667416 28.51 274052 3295012 5307420 30.46 2142572 5984756 220 12:40:18 7779896 11395296 4540676 27.73 274512 3312996 5213596 29.93 2143724 5870024 52 12:50:04 8465912 12118740 3817968 23.32 275052 3349856 4978480 28.58 2148524 5175204 584 13:00:03 8999700 12675332 3261432 19.92 275500 3372148 4797180 27.54 2150824 4655920 576 13:10:03 7444948 11247556 4688428 28.63 279428 3488728 5318464 30.53 2165740 6180576 256 Average: 6939148 10501754 5433586 33.19 269954 3266180 6455424 37.05 2112142 6740988 1538 11:30:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:10 lo 17.69 17.69 15.65 15.65 0.00 0.00 0.00 0.00 11:40:10 ens3 44.61 33.21 864.57 3.57 0.00 0.00 0.00 0.00 11:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:18 lo 43.54 43.54 18.68 18.68 0.00 0.00 0.00 0.00 11:50:18 ens3 1.58 1.52 0.34 1.14 0.00 0.00 0.00 0.00 11:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:18 lo 20.94 20.94 10.16 10.16 0.00 0.00 0.00 0.00 12:00:18 ens3 0.61 0.65 0.13 0.11 0.00 0.00 0.00 0.00 12:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:16 lo 8.85 8.85 4.07 4.07 0.00 0.00 0.00 0.00 12:10:16 ens3 0.68 0.62 0.24 0.19 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 12:20:18 lo 13.10 13.10 7.46 7.46 0.00 0.00 0.00 0.00 12:20:18 ens3 0.80 0.95 0.17 0.15 0.00 0.00 0.00 0.00 12:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 19.31 19.31 9.32 9.32 0.00 0.00 0.00 0.00 12:30:01 ens3 1.32 0.70 0.39 0.26 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:18 lo 25.50 25.50 8.63 8.63 0.00 0.00 0.00 0.00 12:40:18 ens3 0.61 0.39 0.15 0.10 0.00 0.00 0.00 0.00 12:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:04 lo 17.33 17.33 8.80 8.80 0.00 0.00 0.00 0.00 12:50:04 ens3 0.72 0.63 0.17 0.13 0.00 0.00 0.00 0.00 12:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:03 lo 17.84 17.84 10.51 10.51 0.00 0.00 0.00 0.00 13:00:03 ens3 0.77 0.57 0.19 0.14 0.00 0.00 0.00 0.00 13:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:03 lo 19.20 19.20 10.54 10.54 0.00 0.00 0.00 0.00 13:10:03 ens3 1.17 0.95 0.40 0.32 0.00 0.00 0.00 0.00 13:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.39 20.39 10.39 10.39 0.00 0.00 0.00 0.00 Average: ens3 5.24 3.99 85.82 0.61 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-20164) 02/23/26 _x86_64_ (4 CPU) 11:25:38 LINUX RESTART (4 CPU) 11:30:17 CPU %user %nice %system %iowait %steal %idle 11:40:10 all 54.92 0.00 2.32 1.17 0.11 41.48 11:40:10 0 53.96 0.00 2.32 1.17 0.11 42.45 11:40:10 1 54.46 0.00 2.33 1.64 0.11 41.46 11:40:10 2 53.68 0.00 2.24 0.61 0.10 43.36 11:40:10 3 57.57 0.00 2.40 1.27 0.10 38.65 11:50:18 all 40.48 0.00 1.62 0.08 0.11 57.71 11:50:18 0 40.78 0.00 1.58 0.05 0.11 57.49 11:50:18 1 39.16 0.00 1.61 0.07 0.12 59.05 11:50:18 2 41.13 0.00 1.75 0.14 0.11 56.87 11:50:18 3 40.85 0.00 1.53 0.07 0.11 57.43 12:00:18 all 18.45 0.00 0.94 0.82 0.12 79.68 12:00:18 0 19.12 0.00 1.00 0.73 0.12 79.03 12:00:18 1 17.46 0.00 0.92 0.59 0.14 80.89 12:00:18 2 18.61 0.00 0.92 0.73 0.11 79.64 12:00:18 3 18.60 0.00 0.91 1.21 0.12 79.17 12:10:16 all 10.86 0.00 0.56 0.41 0.08 88.09 12:10:16 0 10.86 0.00 0.60 0.19 0.07 88.28 12:10:16 1 11.15 0.00 0.54 1.03 0.09 87.20 12:10:16 2 10.56 0.00 0.57 0.20 0.10 88.57 12:10:16 3 10.86 0.00 0.53 0.22 0.07 88.31 12:20:18 all 29.25 0.09 0.98 0.45 0.10 69.12 12:20:18 0 29.05 0.07 1.06 0.31 0.10 69.42 12:20:18 1 29.42 0.00 0.99 0.62 0.10 68.86 12:20:18 2 29.11 0.27 1.02 0.69 0.11 68.81 12:20:18 3 29.43 0.04 0.86 0.18 0.09 69.39 12:30:01 all 9.15 0.00 0.49 0.07 0.07 90.22 12:30:01 0 8.97 0.00 0.48 0.06 0.07 90.42 12:30:01 1 9.54 0.00 0.48 0.13 0.08 89.78 12:30:01 2 8.79 0.00 0.57 0.07 0.07 90.50 12:30:01 3 9.29 0.00 0.42 0.04 0.07 90.18 12:40:18 all 8.16 0.00 0.48 0.09 0.08 91.19 12:40:18 0 8.59 0.00 0.43 0.14 0.08 90.77 12:40:18 1 8.31 0.00 0.48 0.09 0.08 91.03 12:40:18 2 7.66 0.00 0.47 0.07 0.07 91.72 12:40:18 3 8.07 0.00 0.55 0.05 0.07 91.25 12:50:04 all 14.44 0.00 0.67 0.18 0.08 84.63 12:50:04 0 13.80 0.00 0.66 0.26 0.08 85.20 12:50:04 1 14.37 0.00 0.69 0.18 0.09 84.68 12:50:04 2 14.93 0.00 0.65 0.10 0.08 84.23 12:50:04 3 14.65 0.00 0.70 0.16 0.08 84.41 13:00:03 all 9.64 0.00 0.43 0.05 0.08 89.80 13:00:03 0 9.82 0.00 0.40 0.02 0.09 89.68 13:00:03 1 10.13 0.00 0.53 0.06 0.08 89.20 13:00:03 2 9.23 0.00 0.43 0.04 0.08 90.22 13:00:03 3 9.37 0.00 0.36 0.09 0.08 90.11 13:10:03 all 16.36 0.00 0.57 0.06 0.08 82.93 13:10:03 0 16.77 0.00 0.50 0.12 0.08 82.52 13:10:03 1 15.55 0.00 0.58 0.02 0.08 83.77 13:10:03 2 16.97 0.00 0.56 0.06 0.08 82.32 13:10:03 3 16.14 0.00 0.63 0.03 0.08 83.12 Average: all 21.17 0.01 0.91 0.34 0.09 77.49 Average: 0 21.17 0.01 0.90 0.30 0.09 77.53 Average: 1 20.95 0.00 0.92 0.44 0.10 77.59 Average: 2 21.07 0.03 0.92 0.27 0.09 77.63 Average: 3 21.48 0.00 0.89 0.33 0.09 77.21