---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-1503 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 707 11025 4 4256 14939 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:2f:9b:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79913sec preferred_lft 79913sec inet6 fe80::f816:3eff:fe2f:9b39/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:ad:16:2f:3c:7f 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::74ad:16ff:fe2f:3c7f/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-1503) 04/09/26 _x86_64_ (4 CPU) 13:50:45 LINUX RESTART (4 CPU) 14:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:03 74.65 22.45 49.31 2.89 332.65 5537.61 3033.00 14:20:03 20.90 1.10 18.69 1.12 13.85 796.76 1568.63 14:30:01 16.42 0.16 15.57 0.68 10.58 428.85 364.80 14:40:03 5.21 0.02 5.03 0.17 1.14 119.79 222.43 14:50:03 19.80 0.04 4.27 15.49 1.20 116.12 211345.45 15:00:01 7.42 0.01 7.08 0.34 1.36 223.18 427.34 15:10:03 5.99 0.00 5.83 0.16 0.13 158.18 67.11 15:20:03 9.38 0.06 8.93 0.39 4.33 567.64 257.48 15:30:01 5.34 0.02 5.12 0.20 0.60 157.74 239.74 Average: 18.37 2.66 13.33 2.38 40.80 903.05 24167.14 14:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:03 1431060 4652720 11278580 68.88 271220 2943336 12373064 71.02 2167960 12192620 520 14:20:03 4449352 7780740 8152532 49.79 277320 3046764 9076716 52.10 2250212 9109660 248 14:30:01 8189332 11572228 4364088 26.65 279832 3095776 5169776 29.67 2260844 5370116 372 14:40:03 7975680 11369928 4566244 27.89 280676 3106296 5281240 30.31 2262448 5585388 316 14:50:03 8965968 12378668 3557864 21.73 281552 3123876 4297944 24.67 2269116 4578180 528 15:00:01 6643464 10085556 5849928 35.73 282304 3152512 6713264 38.53 2274172 6873696 240 15:10:03 7901740 11362844 4573396 27.93 282908 3170920 5380608 30.88 2276336 5646840 308 15:20:03 7835376 11422776 4513284 27.57 286996 3289452 5164024 29.64 2291104 5691924 408 15:30:01 7000636 10610212 5325464 32.53 287552 3310968 6024028 34.58 2301712 6507680 328 Average: 6710290 10137297 5797931 35.41 281151 3137767 6608963 37.94 2261545 6839567 363 14:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:03 lo 25.68 25.68 17.38 17.38 0.00 0.00 0.00 0.00 14:10:03 ens3 2.71 2.10 0.90 0.72 0.00 0.00 0.00 0.00 14:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:03 lo 42.34 42.34 18.07 18.07 0.00 0.00 0.00 0.00 14:20:03 ens3 1.70 1.35 0.45 0.40 0.00 0.00 0.00 0.00 14:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 18.97 18.97 9.31 9.31 0.00 0.00 0.00 0.00 14:30:01 ens3 0.96 0.72 0.18 0.14 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:03 lo 17.48 17.48 8.52 8.52 0.00 0.00 0.00 0.00 14:40:03 ens3 0.64 0.50 0.13 0.10 0.00 0.00 0.00 0.00 14:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:03 lo 24.43 24.43 8.20 8.20 0.00 0.00 0.00 0.00 14:50:03 ens3 0.46 0.30 0.09 0.06 0.00 0.00 0.00 0.00 14:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 19.19 19.19 10.88 10.88 0.00 0.00 0.00 0.00 15:00:01 ens3 1.06 0.97 0.22 1.54 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:03 lo 17.85 17.85 10.04 10.04 0.00 0.00 0.00 0.00 15:10:03 ens3 0.68 0.57 0.13 0.21 0.00 0.00 0.00 0.00 15:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:03 lo 13.31 13.31 7.14 7.14 0.00 0.00 0.00 0.00 15:20:03 ens3 1.34 1.14 9.14 0.21 0.00 0.00 0.00 0.00 15:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:01 lo 19.61 19.61 7.90 7.90 0.00 0.00 0.00 0.00 15:30:01 ens3 0.60 0.47 0.13 0.10 0.00 0.00 0.00 0.00 15:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.10 22.10 10.83 10.83 0.00 0.00 0.00 0.00 Average: ens3 1.13 0.90 1.26 0.39 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-1503) 04/09/26 _x86_64_ (4 CPU) 13:50:45 LINUX RESTART (4 CPU) 14:00:01 CPU %user %nice %system %iowait %steal %idle 14:10:03 all 65.03 0.00 2.67 0.11 0.21 31.99 14:10:03 0 63.34 0.00 2.88 0.22 0.20 33.36 14:10:03 1 65.12 0.00 2.72 0.05 0.21 31.89 14:10:03 2 65.96 0.00 2.51 0.08 0.20 31.25 14:10:03 3 65.69 0.00 2.58 0.07 0.21 31.45 14:20:03 all 42.66 0.00 1.59 0.09 0.16 55.50 14:20:03 0 43.48 0.00 1.63 0.03 0.17 54.70 14:20:03 1 41.27 0.00 1.62 0.20 0.16 56.75 14:20:03 2 43.18 0.00 1.56 0.03 0.16 55.08 14:20:03 3 42.72 0.00 1.56 0.10 0.16 55.46 14:30:01 all 27.07 0.00 0.92 0.05 0.08 71.88 14:30:01 0 27.26 0.00 1.07 0.08 0.08 71.51 14:30:01 1 28.29 0.00 0.85 0.07 0.09 70.71 14:30:01 2 26.45 0.00 0.92 0.02 0.08 72.54 14:30:01 3 26.28 0.00 0.86 0.02 0.08 72.75 14:40:03 all 8.69 0.00 0.38 0.02 0.06 90.84 14:40:03 0 8.74 0.00 0.39 0.04 0.06 90.76 14:40:03 1 8.72 0.00 0.40 0.01 0.06 90.81 14:40:03 2 8.75 0.00 0.37 0.01 0.07 90.80 14:40:03 3 8.56 0.00 0.37 0.00 0.05 91.01 14:50:03 all 8.59 0.00 0.37 0.04 0.05 90.95 14:50:03 0 8.12 0.00 0.35 0.02 0.05 91.46 14:50:03 1 8.80 0.00 0.36 0.01 0.06 90.77 14:50:03 2 8.77 0.00 0.42 0.01 0.06 90.74 14:50:03 3 8.66 0.00 0.36 0.10 0.05 90.83 15:00:01 all 17.09 0.00 0.61 0.02 0.07 82.21 15:00:01 0 17.33 0.00 0.68 0.03 0.07 81.88 15:00:01 1 16.54 0.00 0.48 0.02 0.07 82.89 15:00:01 2 16.97 0.00 0.63 0.03 0.07 82.30 15:00:01 3 17.51 0.00 0.63 0.00 0.07 81.78 15:10:03 all 8.60 0.00 0.42 0.02 0.06 90.91 15:10:03 0 8.48 0.00 0.48 0.02 0.06 90.97 15:10:03 1 8.44 0.00 0.43 0.04 0.06 91.03 15:10:03 2 8.92 0.00 0.37 0.02 0.06 90.64 15:10:03 3 8.55 0.00 0.39 0.01 0.06 90.99 15:20:03 all 13.72 0.00 0.51 0.04 0.07 85.66 15:20:03 0 13.11 0.00 0.58 0.02 0.07 86.22 15:20:03 1 13.82 0.00 0.50 0.03 0.08 85.57 15:20:03 2 13.65 0.00 0.46 0.05 0.07 85.77 15:20:03 3 14.31 0.00 0.50 0.04 0.07 85.07 15:30:01 all 9.12 0.00 0.45 0.02 0.07 90.34 15:30:01 0 8.71 0.00 0.46 0.01 0.06 90.76 15:30:01 1 9.61 0.00 0.44 0.05 0.07 89.83 15:30:01 2 9.29 0.00 0.43 0.01 0.08 90.19 15:30:01 3 8.85 0.00 0.47 0.02 0.07 90.59 Average: all 22.29 0.00 0.88 0.04 0.09 76.69 Average: 0 22.07 0.00 0.95 0.05 0.09 76.84 Average: 1 22.29 0.00 0.87 0.05 0.10 76.69 Average: 2 22.45 0.00 0.85 0.03 0.10 76.57 Average: 3 22.35 0.00 0.86 0.04 0.09 76.65