---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-17301 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: 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 699 11404 4 3885 14947 Swap: 1023 5 1018 ---> 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:85:5f:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.202/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79507sec preferred_lft 79507sec inet6 fe80::f816:3eff:fe85:5f37/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:97:59:be:53:f3 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::8c97:59ff:febe:53f3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-17301) 03/23/26 _x86_64_ (4 CPU) 19:24:11 LINUX RESTART (4 CPU) 19:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:40:02 79.63 23.10 53.45 3.08 364.87 7634.47 3524.51 19:50:02 23.48 8.20 14.44 0.84 153.94 416.38 361.01 20:00:16 7.73 0.29 7.03 0.41 12.93 239.19 448.41 20:10:17 8.48 0.08 8.03 0.37 5.44 527.52 499.46 20:20:17 34.33 0.10 17.97 16.26 2.28 555.79 211677.09 20:30:18 8.02 0.01 7.70 0.31 0.44 217.38 119.27 20:40:10 7.11 0.04 6.76 0.31 2.19 232.42 195.12 20:50:05 6.48 0.01 6.23 0.24 0.94 173.16 90.31 21:00:19 5.11 0.01 4.94 0.16 0.81 152.90 46.43 21:10:20 9.81 0.04 9.41 0.36 3.92 572.42 225.00 Average: 18.99 3.18 13.58 2.23 54.66 1070.03 21667.81 19:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:40:02 1944596 5275604 10655604 65.08 268968 3056304 11788896 67.67 2099956 11754232 748 19:50:02 3824252 6473808 9463128 57.80 268240 2429964 10980676 63.03 2003188 10034880 228 20:00:16 7448292 10120328 5819760 35.54 269284 2451396 6936620 39.82 2017236 6414200 400 20:10:17 9612076 12377440 3563336 21.76 273024 2540996 4363088 25.04 2037748 4235828 1136 20:20:17 10117756 12963160 2977888 18.19 276436 2617636 3699040 21.23 2067660 3697012 436 20:30:18 8490276 11362412 4577708 27.96 277320 2643484 5310860 30.48 2069412 5320340 252 20:40:10 7852084 10758904 5181184 31.64 277932 2677540 6397024 36.72 2072628 5955252 296 20:50:05 7027452 9956112 5983196 36.54 278836 2698476 6764380 38.83 2076592 6759284 156 21:00:19 8454628 11406072 4533940 27.69 279484 2720616 5268904 30.24 2079116 5342796 308 21:10:20 8339328 11417420 4522440 27.62 283532 2842840 5165032 29.65 2093864 5435580 644 Average: 7311074 10211126 5727818 34.98 275306 2667925 6667452 38.27 2061740 6494940 460 19:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:40:02 lo 21.92 21.92 17.45 17.45 0.00 0.00 0.00 0.00 19:40:02 ens3 3.01 1.82 0.78 0.57 0.00 0.00 0.00 0.00 19:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:02 lo 35.16 35.16 14.65 14.65 0.00 0.00 0.00 0.00 19:50:02 ens3 1.78 1.62 0.34 1.28 0.00 0.00 0.00 0.00 19:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:16 lo 21.24 21.24 9.37 9.37 0.00 0.00 0.00 0.00 20:00:16 ens3 0.98 0.58 0.22 0.16 0.00 0.00 0.00 0.00 20:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:17 lo 11.21 11.21 5.81 5.81 0.00 0.00 0.00 0.00 20:10:17 ens3 1.33 0.57 0.30 0.18 0.00 0.00 0.00 0.00 20:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:17 lo 13.23 13.23 7.77 7.77 0.00 0.00 0.00 0.00 20:20:17 ens3 1.05 0.92 0.21 0.18 0.00 0.00 0.00 0.00 20:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:18 lo 18.87 18.87 9.02 9.02 0.00 0.00 0.00 0.00 20:30:18 ens3 0.97 0.60 0.19 0.14 0.00 0.00 0.00 0.00 20:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:10 lo 28.28 28.28 9.77 9.77 0.00 0.00 0.00 0.00 20:40:10 ens3 1.02 0.47 0.23 0.14 0.00 0.00 0.00 0.00 20:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:05 lo 21.87 21.87 12.16 12.16 0.00 0.00 0.00 0.00 20:50:05 ens3 0.78 0.57 0.15 0.11 0.00 0.00 0.00 0.00 20:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:19 lo 16.10 16.10 9.06 9.06 0.00 0.00 0.00 0.00 21:00:19 ens3 0.71 0.62 0.16 0.13 0.00 0.00 0.00 0.00 21:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:20 lo 23.22 23.22 11.00 11.00 0.00 0.00 0.00 0.00 21:10:20 ens3 1.20 1.00 0.30 0.24 0.00 0.00 0.00 0.00 21:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.09 21.09 10.60 10.60 0.00 0.00 0.00 0.00 Average: ens3 1.28 0.88 0.29 0.31 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-17301) 03/23/26 _x86_64_ (4 CPU) 19:24:11 LINUX RESTART (4 CPU) 19:30:02 CPU %user %nice %system %iowait %steal %idle 19:40:02 all 55.30 0.00 2.16 0.52 0.15 41.87 19:40:02 0 54.99 0.00 2.31 0.44 0.18 42.09 19:40:02 1 56.25 0.00 2.16 0.43 0.13 41.02 19:40:02 2 54.43 0.00 2.14 0.86 0.14 42.43 19:40:02 3 55.53 0.00 2.03 0.35 0.14 41.95 19:50:02 all 32.68 0.00 1.51 0.24 0.10 65.48 19:50:02 0 32.37 0.00 1.37 0.14 0.10 66.02 19:50:02 1 32.33 0.00 1.57 0.13 0.10 65.87 19:50:02 2 33.02 0.00 1.53 0.54 0.10 64.81 19:50:02 3 33.00 0.00 1.56 0.14 0.10 65.20 20:00:16 all 16.37 0.00 0.74 0.03 0.08 82.78 20:00:16 0 16.13 0.00 0.67 0.02 0.08 83.10 20:00:16 1 16.10 0.00 0.83 0.08 0.08 82.90 20:00:16 2 17.24 0.00 0.73 0.02 0.08 81.94 20:00:16 3 15.99 0.00 0.72 0.02 0.08 83.19 20:10:17 all 14.89 0.00 0.68 0.38 0.07 83.99 20:10:17 0 14.50 0.00 0.61 0.53 0.06 84.29 20:10:17 1 15.73 0.00 0.84 0.85 0.07 82.50 20:10:17 2 14.45 0.00 0.65 0.06 0.07 84.78 20:10:17 3 14.88 0.00 0.61 0.06 0.06 84.40 20:20:17 all 28.64 0.00 0.91 0.11 0.08 70.25 20:20:17 0 29.23 0.00 0.95 0.09 0.08 69.65 20:20:17 1 28.71 0.00 0.86 0.16 0.08 70.19 20:20:17 2 27.56 0.00 0.94 0.08 0.09 71.33 20:20:17 3 29.07 0.00 0.91 0.10 0.08 69.84 20:30:18 all 14.32 0.00 0.65 0.03 0.06 84.94 20:30:18 0 14.26 0.00 0.63 0.01 0.06 85.03 20:30:18 1 14.21 0.00 0.66 0.03 0.06 85.04 20:30:18 2 14.04 0.00 0.65 0.02 0.07 85.23 20:30:18 3 14.77 0.00 0.65 0.06 0.06 84.46 20:40:10 all 13.78 0.00 0.62 0.02 0.06 85.52 20:40:10 0 13.45 0.00 0.61 0.04 0.06 85.84 20:40:10 1 13.38 0.00 0.66 0.03 0.06 85.87 20:40:10 2 14.52 0.00 0.59 0.01 0.07 84.81 20:40:10 3 13.76 0.00 0.62 0.02 0.06 85.55 20:50:05 all 12.17 0.00 0.43 0.02 0.06 87.31 20:50:05 0 11.94 0.00 0.43 0.03 0.06 87.55 20:50:05 1 12.34 0.00 0.41 0.03 0.06 87.16 20:50:05 2 12.64 0.00 0.44 0.01 0.07 86.84 20:50:05 3 11.78 0.00 0.43 0.03 0.06 87.70 21:00:19 all 7.90 0.00 0.42 0.02 0.06 91.60 21:00:19 0 7.87 0.00 0.45 0.01 0.06 91.60 21:00:19 1 8.25 0.00 0.50 0.01 0.06 91.17 21:00:19 2 8.00 0.00 0.38 0.05 0.05 91.52 21:00:19 3 7.49 0.00 0.33 0.01 0.05 92.11 21:10:20 all 14.73 0.00 0.59 0.04 0.07 84.57 21:10:20 0 14.05 0.00 0.52 0.01 0.06 85.34 21:10:20 1 15.40 0.00 0.61 0.04 0.07 83.88 21:10:20 2 14.53 0.00 0.57 0.10 0.07 84.73 21:10:20 3 14.93 0.00 0.66 0.01 0.06 84.34 Average: all 21.05 0.00 0.87 0.14 0.08 77.87 Average: 0 20.85 0.00 0.85 0.13 0.08 78.08 Average: 1 21.24 0.00 0.91 0.18 0.08 77.60 Average: 2 21.01 0.00 0.86 0.17 0.08 77.87 Average: 3 21.09 0.00 0.85 0.08 0.08 77.91