---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-58912 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 711 10660 3 4617 14927 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:a7:b7:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79916sec preferred_lft 79916sec inet6 fe80::f816:3eff:fea7:b7a9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:85:fc:1b:a7:37 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-58912) 03/05/26 _x86_64_ (4 CPU) 11:40:31 LINUX RESTART (4 CPU) 11:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:01 37.52 3.50 31.84 2.18 126.17 3612.84 4034.54 12:10:20 4.60 0.05 4.37 0.18 1.47 113.92 537.52 12:20:00 7.39 0.05 6.95 0.39 5.20 238.74 1285.50 12:30:01 19.30 2.06 16.42 0.82 97.76 720.58 820.92 12:40:20 12.62 0.01 11.93 0.67 0.61 407.63 208.30 12:50:00 5.65 0.00 5.40 0.24 0.46 151.50 83.72 13:00:01 5.84 0.01 5.64 0.19 1.06 163.11 80.27 13:10:20 4.96 0.00 4.78 0.18 0.36 148.91 64.30 13:20:00 11.54 0.21 10.82 0.51 3.02 679.19 238.07 Average: 12.16 0.65 10.91 0.60 26.26 692.45 815.10 11:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:01 6887620 10313784 5613596 34.29 258236 3139380 6839556 39.26 1960084 6938476 112 12:10:20 6593176 10027396 5900088 36.04 259068 3146460 7018748 40.29 1975476 7214708 140 12:20:00 6240340 9693016 6233508 38.07 260452 3163560 6925460 39.75 1983680 7551280 732 12:30:01 9953624 13578096 2350896 14.36 266608 3329232 3477316 19.96 2016088 3830508 12244 12:40:20 7801948 11481444 4446284 27.16 268800 3382048 5175968 29.71 2020248 5973260 96 12:50:00 7753376 11451620 4475988 27.34 269416 3400184 5198032 29.84 2021452 6012148 148 13:00:01 6031368 9750876 6175940 37.72 270176 3420692 6883548 39.51 2023864 7732844 88 13:10:20 11538112 15300076 628556 3.84 271084 3462428 1328352 7.62 2028648 2221516 20972 13:20:00 7476692 11366860 4560624 27.85 275244 3581140 5152356 29.57 2066360 6243204 292 Average: 7808473 11440352 4487276 27.41 266565 3336125 5333260 30.61 2010656 5968660 3869 11:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:01 lo 19.32 19.32 15.51 15.51 0.00 0.00 0.00 0.00 12:00:01 ens3 2.44 2.36 0.65 2.38 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 12:10:20 lo 10.35 10.35 5.19 5.19 0.00 0.00 0.00 0.00 12:10:20 ens3 0.57 0.46 0.16 0.12 0.00 0.00 0.00 0.00 12:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:00 lo 12.39 12.39 7.34 7.34 0.00 0.00 0.00 0.00 12:20:00 ens3 0.56 0.52 0.13 0.10 0.00 0.00 0.00 0.00 12:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 10.34 10.34 5.00 5.00 0.00 0.00 0.00 0.00 12:30:01 ens3 0.86 0.81 0.23 0.19 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 12:40:20 lo 20.62 20.62 11.01 11.01 0.00 0.00 0.00 0.00 12:40:20 ens3 1.12 0.74 0.29 0.21 0.00 0.00 0.00 0.00 12:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:00 lo 24.14 24.14 9.04 9.04 0.00 0.00 0.00 0.00 12:50:00 ens3 0.92 0.57 0.30 0.21 0.00 0.00 0.00 0.00 12:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 25.05 25.05 11.29 11.29 0.00 0.00 0.00 0.00 13:00:01 ens3 1.65 0.52 0.22 0.14 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:20 lo 17.48 17.48 10.28 10.28 0.00 0.00 0.00 0.00 13:10:20 ens3 0.83 0.63 0.23 0.17 0.00 0.00 0.00 0.00 13:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:00 lo 18.79 18.79 10.39 10.39 0.00 0.00 0.00 0.00 13:20:00 ens3 0.95 0.96 0.25 0.22 0.00 0.00 0.00 0.00 13:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 17.59 17.59 9.45 9.45 0.00 0.00 0.00 0.00 Average: ens3 1.10 0.84 0.27 0.42 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-58912) 03/05/26 _x86_64_ (4 CPU) 11:40:31 LINUX RESTART (4 CPU) 11:50:00 CPU %user %nice %system %iowait %steal %idle 12:00:01 all 34.71 0.00 1.46 0.06 0.10 63.67 12:00:01 0 34.57 0.00 1.45 0.03 0.10 63.85 12:00:01 1 35.39 0.00 1.44 0.12 0.10 62.95 12:00:01 2 34.13 0.00 1.51 0.02 0.10 64.23 12:00:01 3 34.76 0.00 1.42 0.08 0.10 63.64 12:10:20 all 8.27 0.00 0.41 0.02 0.08 91.23 12:10:20 0 8.32 0.00 0.39 0.00 0.08 91.22 12:10:20 1 8.30 0.00 0.47 0.03 0.09 91.12 12:10:20 2 8.77 0.00 0.43 0.01 0.08 90.71 12:10:20 3 7.68 0.00 0.36 0.03 0.07 91.86 12:20:00 all 16.83 0.00 0.61 0.02 0.09 82.44 12:20:00 0 16.74 0.00 0.68 0.01 0.08 82.48 12:20:00 1 16.29 0.00 0.57 0.04 0.10 83.00 12:20:00 2 16.78 0.00 0.56 0.03 0.10 82.53 12:20:00 3 17.51 0.00 0.64 0.02 0.08 81.75 12:30:01 all 23.41 0.00 0.86 0.07 0.10 75.56 12:30:01 0 23.77 0.00 0.88 0.04 0.10 75.21 12:30:01 1 24.54 0.00 0.88 0.08 0.09 74.41 12:30:01 2 22.84 0.00 0.90 0.05 0.10 76.11 12:30:01 3 22.49 0.00 0.79 0.12 0.09 76.51 12:40:20 all 21.11 0.00 0.75 0.05 0.09 78.00 12:40:20 0 20.90 0.00 0.73 0.06 0.09 78.21 12:40:20 1 21.44 0.00 0.77 0.02 0.09 77.68 12:40:20 2 20.63 0.00 0.77 0.04 0.09 78.48 12:40:20 3 21.47 0.00 0.74 0.08 0.08 77.62 12:50:00 all 8.38 0.00 0.39 0.02 0.08 91.14 12:50:00 0 8.21 0.00 0.30 0.01 0.07 91.42 12:50:00 1 8.63 0.00 0.47 0.04 0.08 90.77 12:50:00 2 8.33 0.00 0.42 0.03 0.08 91.14 12:50:00 3 8.34 0.00 0.35 0.01 0.07 91.23 13:00:01 all 9.87 0.00 0.40 0.02 0.08 89.63 13:00:01 0 9.88 0.00 0.38 0.01 0.08 89.65 13:00:01 1 9.89 0.00 0.43 0.04 0.09 89.56 13:00:01 2 9.76 0.00 0.44 0.00 0.08 89.71 13:00:01 3 9.96 0.00 0.34 0.02 0.08 89.60 13:10:20 all 9.39 0.00 0.35 0.02 0.09 90.16 13:10:20 0 9.34 0.00 0.38 0.03 0.08 90.16 13:10:20 1 9.25 0.00 0.31 0.01 0.09 90.33 13:10:20 2 9.53 0.00 0.39 0.01 0.08 89.99 13:10:20 3 9.43 0.00 0.32 0.01 0.09 90.15 13:20:00 all 19.40 0.00 0.64 0.05 0.09 79.83 13:20:00 0 19.23 0.00 0.56 0.01 0.10 80.11 13:20:00 1 18.71 0.00 0.54 0.02 0.09 80.65 13:20:00 2 19.43 0.00 0.73 0.10 0.09 79.64 13:20:00 3 20.21 0.00 0.73 0.05 0.09 78.92 Average: all 16.81 0.00 0.65 0.04 0.09 82.41 Average: 0 16.77 0.00 0.64 0.02 0.09 82.48 Average: 1 16.94 0.00 0.65 0.04 0.09 82.27 Average: 2 16.68 0.00 0.68 0.03 0.09 82.51 Average: 3 16.86 0.00 0.63 0.05 0.08 82.37