---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-23978 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 712 10811 4 4465 14933 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:7e:75:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.11/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79761sec preferred_lft 79761sec inet6 fe80::f816:3eff:fe7e:7526/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:29:74:21:88:ff 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-23978) 02/28/26 _x86_64_ (4 CPU) 04:37:09 LINUX RESTART (4 CPU) 04:40:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:00 88.11 2.86 80.76 4.49 558.97 33303.72 15734.09 05:00:50 54.60 21.02 31.79 1.78 252.69 1737.57 3669.31 05:10:40 8.28 0.21 7.63 0.45 10.75 253.65 442.87 05:20:35 14.04 0.05 13.33 0.66 1.68 668.10 653.91 05:30:50 16.59 0.01 15.78 0.79 1.30 519.93 1221.25 05:40:35 3.48 0.02 3.45 0.00 2.20 55.34 0.01 05:50:29 5.61 0.01 5.41 0.20 0.70 153.59 76.88 06:00:29 7.76 0.03 7.36 0.37 2.37 257.65 173.21 06:10:40 4.72 0.01 4.55 0.15 1.07 153.48 47.89 06:20:01 26.47 0.07 9.02 17.38 2.21 600.60 224864.04 Average: 22.92 2.61 17.80 2.52 83.02 3627.36 23276.47 04:40:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:00 289480 7984500 7937244 48.48 255112 7238684 9525392 54.68 2183552 13137988 3008 05:00:50 3135900 6391620 9541924 58.28 264108 2972508 10806868 62.03 2244692 10413348 144 05:10:40 2383180 5660528 10272128 62.74 265260 2993004 10943312 62.81 2252584 11140516 188 05:20:35 11909692 15322076 616740 3.77 270180 3122668 1335988 7.67 2291532 1617404 10860 05:30:50 8006468 11485940 4450828 27.18 272848 3187040 5195280 29.82 2296704 5513660 64 05:40:35 11826708 15322940 615680 3.76 273064 3203584 1336496 7.67 2298104 1695204 14736 05:50:29 7895232 11396156 4540424 27.73 273560 3207784 5190384 29.79 2298940 5609844 68 06:00:29 6726944 10267732 5668596 34.62 274512 3246660 6548252 37.59 2304412 6780652 236 06:10:40 8037216 11602424 4334380 26.47 275312 3270284 5118440 29.38 2307216 5469592 120 06:20:01 7687808 11384932 4551824 27.80 279468 3392724 5195632 29.82 2326780 5791356 204 Average: 6789863 10681885 5252977 32.08 270342 3583494 6119604 35.13 2280452 6716956 2963 04:40:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:00 lo 4.27 4.27 5.35 5.35 0.00 0.00 0.00 0.00 04:50:00 ens3 71.33 53.62 1139.78 5.85 0.00 0.00 0.00 0.00 04:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:00:50 lo 47.60 47.60 25.29 25.29 0.00 0.00 0.00 0.00 05:00:50 ens3 2.22 1.94 0.49 1.02 0.00 0.00 0.00 0.00 05:00:50 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:10:40 lo 27.77 27.77 12.40 12.40 0.00 0.00 0.00 0.00 05:10:40 ens3 1.18 1.36 0.23 0.95 0.00 0.00 0.00 0.00 05:10:40 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:35 lo 12.04 12.04 5.98 5.98 0.00 0.00 0.00 0.00 05:20:35 ens3 0.99 0.76 0.26 0.21 0.00 0.00 0.00 0.00 05:20:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:50 lo 19.02 19.02 9.73 9.73 0.00 0.00 0.00 0.00 05:30:50 ens3 0.90 0.68 0.21 0.16 0.00 0.00 0.00 0.00 05:30:50 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:35 lo 10.96 10.96 5.22 5.22 0.00 0.00 0.00 0.00 05:40:35 ens3 0.63 0.45 0.15 0.11 0.00 0.00 0.00 0.00 05:40:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:29 lo 24.68 24.68 8.28 8.28 0.00 0.00 0.00 0.00 05:50:29 ens3 0.46 0.33 0.09 0.06 0.00 0.00 0.00 0.00 05:50:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:29 lo 17.98 17.98 10.35 10.35 0.00 0.00 0.00 0.00 06:00:29 ens3 0.68 0.55 0.14 0.11 0.00 0.00 0.00 0.00 06:00:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:40 lo 18.06 18.06 10.14 10.14 0.00 0.00 0.00 0.00 06:10:40 ens3 0.66 0.53 0.16 0.12 0.00 0.00 0.00 0.00 06:10:40 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:20:01 lo 18.83 18.83 9.56 9.56 0.00 0.00 0.00 0.00 06:20:01 ens3 0.95 0.83 0.26 0.21 0.00 0.00 0.00 0.00 06:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.45 20.45 10.40 10.40 0.00 0.00 0.00 0.00 Average: ens3 7.68 5.87 108.83 0.86 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-23978) 02/28/26 _x86_64_ (4 CPU) 04:37:09 LINUX RESTART (4 CPU) 04:40:31 CPU %user %nice %system %iowait %steal %idle 04:50:00 all 42.22 0.00 2.08 6.67 0.09 48.94 04:50:00 0 41.44 0.00 2.13 5.60 0.10 50.73 04:50:00 1 43.09 0.00 2.15 8.89 0.09 45.78 04:50:00 2 41.10 0.00 1.99 3.76 0.09 53.06 04:50:00 3 43.24 0.00 2.02 8.44 0.09 46.21 05:00:50 all 59.52 0.00 2.13 0.17 0.11 38.07 05:00:50 0 60.16 0.00 2.03 0.15 0.11 37.55 05:00:50 1 58.83 0.00 2.16 0.13 0.11 38.77 05:00:50 2 58.89 0.00 2.19 0.32 0.11 38.49 05:00:50 3 60.19 0.00 2.13 0.08 0.11 37.48 05:10:40 all 18.77 0.00 0.78 0.04 0.11 80.30 05:10:40 0 18.45 0.00 0.71 0.04 0.11 80.69 05:10:40 1 18.41 0.00 0.75 0.02 0.10 80.72 05:10:40 2 19.29 0.00 0.83 0.04 0.11 79.73 05:10:40 3 18.91 0.00 0.84 0.06 0.11 80.09 05:20:35 all 19.41 0.00 0.82 0.06 0.09 79.63 05:20:35 0 19.87 0.00 0.90 0.04 0.09 79.10 05:20:35 1 19.60 0.00 0.77 0.03 0.09 79.52 05:20:35 2 18.59 0.00 0.79 0.11 0.09 80.43 05:20:35 3 19.58 0.00 0.81 0.05 0.09 79.47 05:30:50 all 27.21 0.00 0.89 0.06 0.09 71.75 05:30:50 0 26.91 0.00 0.86 0.03 0.09 72.10 05:30:50 1 27.37 0.00 0.83 0.07 0.09 71.64 05:30:50 2 27.80 0.00 0.98 0.06 0.09 71.07 05:30:50 3 26.77 0.00 0.90 0.06 0.10 72.17 05:40:35 all 2.13 0.00 0.23 0.02 0.08 97.55 05:40:35 0 1.71 0.00 0.25 0.02 0.08 97.93 05:40:35 1 2.53 0.00 0.21 0.01 0.07 97.18 05:40:35 2 2.41 0.00 0.24 0.03 0.08 97.24 05:40:35 3 1.85 0.00 0.21 0.01 0.08 97.85 05:50:29 all 8.67 0.00 0.35 0.02 0.08 90.88 05:50:29 0 9.28 0.00 0.31 0.02 0.09 90.30 05:50:29 1 8.33 0.00 0.36 0.02 0.08 91.21 05:50:29 2 8.44 0.00 0.40 0.04 0.08 91.04 05:50:29 3 8.61 0.00 0.33 0.02 0.09 90.95 06:00:29 all 16.69 0.00 0.72 0.03 0.10 82.47 06:00:29 0 16.70 0.00 0.65 0.02 0.09 82.54 06:00:29 1 16.72 0.00 0.81 0.05 0.10 82.32 06:00:29 2 16.33 0.00 0.79 0.05 0.09 82.74 06:00:29 3 17.01 0.00 0.63 0.00 0.09 82.26 06:10:40 all 8.96 0.00 0.52 0.02 0.08 90.42 06:10:40 0 8.97 0.00 0.46 0.01 0.08 90.48 06:10:40 1 8.39 0.00 0.62 0.04 0.09 90.86 06:10:40 2 9.20 0.00 0.56 0.03 0.09 90.12 06:10:40 3 9.26 0.00 0.44 0.01 0.08 90.21 06:20:01 all 15.13 0.00 0.59 0.08 0.09 84.11 06:20:01 0 14.42 0.00 0.55 0.04 0.08 84.91 06:20:01 1 14.77 0.00 0.56 0.09 0.09 84.49 06:20:01 2 15.21 0.00 0.55 0.07 0.10 84.07 06:20:01 3 16.14 0.00 0.69 0.10 0.09 82.98 Average: all 22.17 0.00 0.92 0.69 0.09 76.14 Average: 0 22.10 0.00 0.89 0.57 0.09 76.34 Average: 1 22.09 0.00 0.93 0.89 0.09 76.00 Average: 2 22.02 0.00 0.94 0.44 0.09 76.51 Average: 3 22.46 0.00 0.91 0.84 0.09 75.70