---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-32006 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 17G 62G 21% / 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 697 11197 3 4093 14945 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:32:fe:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.143/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79842sec preferred_lft 79842sec inet6 fe80::f816:3eff:fe32:feae/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:b8:d4:f1:77:44 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::88b8:d4ff:fef1:7744/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-32006) 07/01/26 _x86_64_ (4 CPU) 05:29:20 LINUX RESTART (4 CPU) 05:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:09 142.34 10.22 112.93 19.19 843.06 30853.68 232513.07 05:50:08 47.49 21.73 24.43 1.34 238.97 1564.99 1099.34 06:00:12 7.69 0.18 7.08 0.43 8.91 265.62 1133.65 06:10:13 4.76 0.05 4.51 0.21 2.77 131.84 544.12 06:20:02 18.09 0.07 17.15 0.87 1.36 790.81 922.33 06:30:39 11.68 0.04 11.10 0.54 1.83 351.17 396.31 06:40:17 5.11 0.00 4.90 0.21 0.17 144.89 114.35 06:50:14 6.05 0.01 5.84 0.20 1.38 166.05 128.57 07:00:16 5.26 0.00 5.06 0.20 0.15 155.08 130.08 07:10:22 11.93 0.01 11.41 0.50 0.58 672.59 277.55 Average: 26.01 3.22 20.43 2.37 109.66 3503.79 23683.85 05:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:09 1172900 4970916 10958388 66.93 241616 3470292 12570000 72.15 1718228 12829436 2488 05:50:08 4346160 7253608 8676376 52.99 252728 2657108 9430652 54.13 1862552 9589260 364 06:00:12 8308432 11239236 4695444 28.68 253836 2679156 5521972 31.70 1883580 5626464 84 06:10:13 6638012 9579508 6354300 38.81 254500 2689208 7047440 40.45 1887040 7287096 340 06:20:02 12229484 15325360 611240 3.73 260612 2836832 1365436 7.84 1927224 1678492 12084 06:30:39 8153672 11292948 4641692 28.35 262628 2878236 5349052 30.70 1931316 5737240 336 06:40:17 8060348 11218908 4715664 28.80 263288 2896836 5366120 30.80 1932580 5814716 356 06:50:14 12110164 15310080 626344 3.83 263860 2937588 1366124 7.84 1937496 1772860 19952 07:00:16 12074660 15298544 637944 3.90 264424 2960992 1365684 7.84 1939764 1794180 21704 07:10:22 7792968 11146940 4787736 29.24 268624 3081880 5410940 31.06 1954932 6077092 100 Average: 8088680 11263605 4670513 28.53 258612 2908813 5479342 31.45 1897471 5820684 5781 05:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:09 lo 11.90 11.90 10.28 10.28 0.00 0.00 0.00 0.00 05:40:09 ens3 169.97 127.09 2268.56 13.74 0.00 0.00 0.00 0.00 05:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:08 lo 43.86 43.86 20.47 20.47 0.00 0.00 0.00 0.00 05:50:08 ens3 1.79 1.63 0.42 0.37 0.00 0.00 0.00 0.00 05:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:12 lo 20.91 20.91 8.72 8.72 0.00 0.00 0.00 0.00 06:00:12 ens3 0.65 0.55 0.16 0.12 0.00 0.00 0.00 0.00 06:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:13 lo 8.01 8.01 4.51 4.51 0.00 0.00 0.00 0.00 06:10:13 ens3 0.95 0.54 0.17 1.00 0.00 0.00 0.00 0.00 06:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:20:02 lo 12.57 12.57 5.79 5.79 0.00 0.00 0.00 0.00 06:20:02 ens3 0.89 0.82 0.23 0.20 0.00 0.00 0.00 0.00 06:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:30:39 lo 19.29 19.29 10.44 10.44 0.00 0.00 0.00 0.00 06:30:39 ens3 0.82 0.67 0.19 0.15 0.00 0.00 0.00 0.00 06:30:39 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:40:17 lo 23.53 23.53 8.69 8.69 0.00 0.00 0.00 0.00 06:40:17 ens3 0.71 0.54 0.18 0.14 0.00 0.00 0.00 0.00 06:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:14 lo 24.34 24.34 11.10 11.10 0.00 0.00 0.00 0.00 06:50:14 ens3 0.70 0.60 0.17 0.13 0.00 0.00 0.00 0.00 06:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:16 lo 17.84 17.84 10.47 10.47 0.00 0.00 0.00 0.00 07:00:16 ens3 0.64 0.53 0.16 0.12 0.00 0.00 0.00 0.00 07:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:22 lo 18.04 18.04 9.96 9.96 0.00 0.00 0.00 0.00 07:10:22 ens3 0.98 0.99 0.27 0.23 0.00 0.00 0.00 0.00 07:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.01 20.01 10.05 10.05 0.00 0.00 0.00 0.00 Average: ens3 17.78 13.37 226.64 1.62 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-32006) 07/01/26 _x86_64_ (4 CPU) 05:29:20 LINUX RESTART (4 CPU) 05:30:09 CPU %user %nice %system %iowait %steal %idle 05:40:09 all 49.04 0.00 2.64 1.27 0.08 46.97 05:40:09 0 47.29 0.00 2.73 1.51 0.09 48.39 05:40:09 1 48.63 0.00 2.51 1.30 0.09 47.47 05:40:09 2 50.75 0.00 2.61 0.87 0.08 45.68 05:40:09 3 49.50 0.00 2.71 1.39 0.08 46.32 05:50:08 all 43.73 0.00 1.69 0.12 0.10 54.35 05:50:08 0 43.29 0.00 1.72 0.23 0.10 54.66 05:50:08 1 44.32 0.00 1.69 0.09 0.10 53.79 05:50:08 2 43.97 0.00 1.71 0.06 0.10 54.16 05:50:08 3 43.36 0.00 1.64 0.11 0.10 54.79 06:00:12 all 16.05 0.00 0.88 0.03 0.09 82.95 06:00:12 0 15.37 0.00 0.92 0.04 0.09 83.58 06:00:12 1 16.49 0.00 0.92 0.03 0.09 82.47 06:00:12 2 15.79 0.00 0.86 0.01 0.09 83.25 06:00:12 3 16.53 0.00 0.82 0.05 0.09 82.50 06:10:13 all 9.90 0.00 0.39 0.05 0.08 89.58 06:10:13 0 9.72 0.00 0.35 0.02 0.08 89.83 06:10:13 1 10.65 0.00 0.45 0.00 0.09 88.81 06:10:13 2 10.31 0.00 0.38 0.06 0.08 89.16 06:10:13 3 8.92 0.00 0.37 0.12 0.08 90.51 06:20:02 all 26.05 0.00 0.91 0.11 0.09 72.84 06:20:02 0 25.71 0.00 0.90 0.05 0.08 73.26 06:20:02 1 26.97 0.00 1.09 0.03 0.09 71.81 06:20:02 2 25.28 0.00 0.79 0.09 0.09 73.74 06:20:02 3 26.25 0.00 0.84 0.28 0.09 72.53 06:30:39 all 19.88 0.00 0.58 0.04 0.08 79.42 06:30:39 0 19.63 0.00 0.54 0.05 0.08 79.69 06:30:39 1 19.96 0.00 0.58 0.02 0.08 79.35 06:30:39 2 20.14 0.00 0.47 0.04 0.08 79.27 06:30:39 3 19.78 0.00 0.74 0.05 0.08 79.35 06:40:17 all 8.39 0.00 0.35 0.03 0.08 91.15 06:40:17 0 8.51 0.00 0.28 0.02 0.07 91.11 06:40:17 1 7.71 0.00 0.40 0.03 0.08 91.78 06:40:17 2 8.95 0.00 0.38 0.01 0.08 90.59 06:40:17 3 8.39 0.00 0.34 0.08 0.07 91.12 06:50:14 all 10.17 0.00 0.45 0.17 0.08 89.13 06:50:14 0 9.91 0.00 0.42 0.13 0.08 89.46 06:50:14 1 10.53 0.00 0.41 0.13 0.08 88.84 06:50:14 2 10.21 0.00 0.48 0.12 0.08 89.10 06:50:14 3 10.04 0.00 0.49 0.27 0.08 89.12 07:00:16 all 9.94 0.00 0.49 0.02 0.09 89.46 07:00:16 0 9.65 0.00 0.42 0.01 0.08 89.83 07:00:16 1 10.41 0.00 0.48 0.01 0.09 89.01 07:00:16 2 9.59 0.00 0.59 0.03 0.09 89.69 07:00:16 3 10.11 0.00 0.47 0.02 0.08 89.31 07:10:22 all 19.23 0.00 0.66 0.05 0.08 79.98 07:10:22 0 18.37 0.00 0.70 0.07 0.08 80.78 07:10:22 1 19.16 0.00 0.64 0.09 0.09 80.03 07:10:22 2 19.46 0.00 0.68 0.02 0.09 79.76 07:10:22 3 19.95 0.00 0.62 0.01 0.08 79.34 Average: all 21.25 0.00 0.90 0.19 0.09 77.57 Average: 0 20.77 0.00 0.90 0.21 0.08 78.04 Average: 1 21.50 0.00 0.92 0.17 0.09 77.32 Average: 2 21.46 0.00 0.89 0.13 0.09 77.43 Average: 3 21.29 0.00 0.91 0.24 0.08 77.48