---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-21467 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 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 712 10850 4 4425 14934 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:53:c6:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80038sec preferred_lft 80038sec inet6 fe80::f816:3eff:fe53:c673/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:66:bc:25:02:46 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::4c66:bcff:fe25:246/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-21467) 03/23/26 _x86_64_ (4 CPU) 20:04:24 LINUX RESTART (4 CPU) 20:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:07 93.81 24.52 65.92 3.37 377.10 9518.23 16897.53 20:30:01 16.20 0.15 15.16 0.89 6.98 407.29 2092.75 20:40:07 7.53 0.13 7.02 0.38 8.28 239.34 1154.11 20:50:07 20.31 0.03 19.33 0.95 1.04 850.43 1372.00 21:00:01 9.55 0.01 9.13 0.41 0.62 288.71 447.58 21:10:07 4.86 0.00 4.69 0.17 0.16 140.87 75.19 21:20:07 7.36 0.01 6.97 0.37 1.36 251.09 410.25 21:30:01 4.88 0.00 4.70 0.18 0.13 154.93 40.34 21:40:07 9.48 0.03 9.04 0.41 3.80 570.16 148.45 21:50:07 10.67 2.27 7.66 0.74 204.41 1286.08 418.48 Average: 18.46 2.72 14.95 0.79 60.40 1370.86 2304.60 20:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:07 6355396 9561404 6372012 38.92 267340 2938572 8340152 47.87 2197792 7267260 2528 20:30:01 3445736 6676364 9256972 56.54 270240 2960220 10905172 62.60 2234128 10107268 468 20:40:07 6418696 9675064 6259520 38.23 271260 2984976 7025424 40.33 2242584 7147988 160 20:50:07 10309780 13716768 2221316 13.57 277016 3130040 2980804 17.11 2282516 3254316 36 21:00:01 7966072 11413512 4523212 27.63 278388 3169116 5256952 30.17 2285188 5577832 324 21:10:07 7846904 11313664 4622892 28.23 278988 3187872 5341608 30.66 2286372 5693332 432 21:20:07 6750980 10256692 5679396 34.69 279924 3225852 6573912 37.73 2291740 6773612 528 21:30:01 8007184 11536376 4400536 26.88 280468 3248788 5232916 30.04 2293816 5532652 464 21:40:07 7534592 11192776 4743908 28.97 284332 3371544 5418540 31.10 2308244 5988360 188 21:50:07 11170828 15314976 623256 3.81 287996 3844948 1269256 7.29 2390700 2249956 53276 Average: 7580617 11065760 4870302 29.75 277595 3206193 5834474 33.49 2281308 5959258 5840 20:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:07 lo 21.83 21.83 17.38 17.38 0.00 0.00 0.00 0.00 20:20:07 ens3 2.01 1.82 0.61 0.53 0.00 0.00 0.00 0.00 20:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 47.35 47.35 20.58 20.58 0.00 0.00 0.00 0.00 20:30:01 ens3 1.86 1.87 0.37 1.25 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:07 lo 17.36 17.36 8.36 8.36 0.00 0.00 0.00 0.00 20:40:07 ens3 0.94 0.42 0.21 0.12 0.00 0.00 0.00 0.00 20:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:07 lo 13.91 13.91 6.88 6.88 0.00 0.00 0.00 0.00 20:50:07 ens3 1.08 0.89 0.26 0.21 0.00 0.00 0.00 0.00 20:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 lo 19.06 19.06 10.01 10.01 0.00 0.00 0.00 0.00 21:00:01 ens3 0.84 0.76 0.18 0.15 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:07 lo 27.55 27.55 10.03 10.03 0.00 0.00 0.00 0.00 21:10:07 ens3 0.75 0.42 0.15 0.10 0.00 0.00 0.00 0.00 21:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:07 lo 20.20 20.20 11.10 11.10 0.00 0.00 0.00 0.00 21:20:07 ens3 0.91 0.60 0.21 0.16 0.00 0.00 0.00 0.00 21:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:01 lo 18.42 18.42 10.32 10.32 0.00 0.00 0.00 0.00 21:30:01 ens3 0.67 0.49 0.13 0.10 0.00 0.00 0.00 0.00 21:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:07 lo 18.60 18.60 9.25 9.25 0.00 0.00 0.00 0.00 21:40:07 ens3 1.05 0.83 0.28 0.22 0.00 0.00 0.00 0.00 21:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:07 lo 27.12 27.12 10.41 10.41 0.00 0.00 0.00 0.00 21:50:07 ens3 2.56 2.15 1.61 0.90 0.00 0.00 0.00 0.00 21:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.12 23.12 11.42 11.42 0.00 0.00 0.00 0.00 Average: ens3 1.27 1.02 0.40 0.37 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-21467) 03/23/26 _x86_64_ (4 CPU) 20:04:24 LINUX RESTART (4 CPU) 20:10:07 CPU %user %nice %system %iowait %steal %idle 20:20:07 all 56.49 0.00 2.10 0.18 0.10 41.13 20:20:07 0 56.71 0.00 2.33 0.12 0.11 40.73 20:20:07 1 55.67 0.00 2.20 0.14 0.10 41.88 20:20:07 2 56.59 0.00 2.05 0.24 0.10 41.02 20:20:07 3 56.98 0.00 1.84 0.19 0.10 40.89 20:30:01 all 36.80 0.00 1.29 0.04 0.10 61.77 20:30:01 0 36.85 0.00 1.29 0.02 0.10 61.75 20:30:01 1 37.00 0.00 1.37 0.04 0.10 61.49 20:30:01 2 36.14 0.00 1.27 0.02 0.09 62.48 20:30:01 3 37.20 0.00 1.23 0.09 0.09 61.38 20:40:07 all 16.46 0.00 0.73 0.04 0.07 82.70 20:40:07 0 16.45 0.00 0.70 0.01 0.07 82.77 20:40:07 1 16.46 0.00 0.72 0.02 0.07 82.73 20:40:07 2 16.92 0.00 0.66 0.02 0.08 82.32 20:40:07 3 16.01 0.00 0.85 0.08 0.08 82.98 20:50:07 all 28.91 0.00 0.99 0.05 0.08 69.97 20:50:07 0 28.42 0.00 1.05 0.06 0.08 70.39 20:50:07 1 30.06 0.00 1.07 0.04 0.08 68.76 20:50:07 2 29.21 0.00 0.96 0.11 0.08 69.64 20:50:07 3 27.95 0.00 0.87 0.01 0.08 71.09 21:00:01 all 18.09 0.00 0.67 0.04 0.07 81.13 21:00:01 0 17.52 0.00 0.69 0.02 0.06 81.72 21:00:01 1 18.57 0.00 0.65 0.02 0.07 80.68 21:00:01 2 18.03 0.00 0.82 0.05 0.08 81.03 21:00:01 3 18.24 0.00 0.55 0.06 0.07 81.09 21:10:07 all 8.38 0.00 0.40 0.02 0.06 91.14 21:10:07 0 8.21 0.00 0.37 0.04 0.06 91.33 21:10:07 1 8.31 0.00 0.41 0.02 0.06 91.20 21:10:07 2 8.51 0.00 0.42 0.00 0.06 91.00 21:10:07 3 8.51 0.00 0.38 0.03 0.07 91.01 21:20:07 all 16.49 0.00 0.64 0.02 0.07 82.78 21:20:07 0 16.08 0.00 0.67 0.05 0.07 83.13 21:20:07 1 16.28 0.00 0.73 0.02 0.07 82.90 21:20:07 2 16.48 0.00 0.61 0.01 0.07 82.83 21:20:07 3 17.12 0.00 0.54 0.01 0.07 82.26 21:30:01 all 9.18 0.00 0.50 0.02 0.07 90.24 21:30:01 0 9.24 0.00 0.46 0.04 0.06 90.20 21:30:01 1 9.32 0.00 0.47 0.01 0.07 90.13 21:30:01 2 8.99 0.00 0.60 0.01 0.07 90.33 21:30:01 3 9.16 0.00 0.48 0.01 0.06 90.29 21:40:07 all 14.31 0.00 0.61 0.03 0.07 84.98 21:40:07 0 13.50 0.00 0.50 0.03 0.07 85.90 21:40:07 1 14.46 0.00 0.69 0.01 0.07 84.76 21:40:07 2 14.20 0.00 0.66 0.01 0.07 85.06 21:40:07 3 15.05 0.00 0.59 0.08 0.07 84.21 21:50:07 all 10.83 0.00 0.60 0.09 0.06 88.41 21:50:07 0 12.17 0.00 0.60 0.06 0.06 87.11 21:50:07 1 10.24 0.00 0.71 0.23 0.07 88.76 21:50:07 2 10.38 0.00 0.58 0.07 0.07 88.91 21:50:07 3 10.54 0.00 0.53 0.00 0.07 88.85 Average: all 21.56 0.00 0.85 0.05 0.08 77.46 Average: 0 21.48 0.00 0.86 0.04 0.07 77.54 Average: 1 21.60 0.00 0.90 0.06 0.08 77.37 Average: 2 21.51 0.00 0.86 0.05 0.08 77.50 Average: 3 21.64 0.00 0.79 0.06 0.08 77.44