---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-17396 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: 5599.94 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 703 11091 3 4194 14943 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:60:39:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80029sec preferred_lft 80029sec inet6 fe80::f816:3eff:fe60:3908/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:0f:b4:3b:b4:3d 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::600f:b4ff:fe3b:b43d/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-17396) 05/21/26 _x86_64_ (4 CPU) 09:43:20 LINUX RESTART (4 CPU) 09:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:01 76.98 24.82 48.75 3.41 415.04 4528.25 1974.33 10:10:10 25.47 0.21 24.13 1.13 10.38 1034.78 690.18 10:20:14 8.36 0.18 7.74 0.44 11.92 349.81 552.78 10:30:01 20.00 0.02 19.10 0.89 0.67 782.31 719.85 10:40:12 7.05 0.01 6.76 0.29 0.99 206.16 147.14 10:50:11 21.17 0.12 4.99 16.06 2.44 144.64 211362.95 11:00:01 5.36 0.02 5.17 0.17 1.80 150.40 99.20 11:10:11 5.22 0.03 4.99 0.20 1.68 153.01 116.58 11:20:32 11.99 0.03 11.41 0.55 1.96 669.02 398.81 Average: 20.05 2.78 14.71 2.55 48.97 884.61 23854.18 09:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:01 2423008 5323968 10612644 64.82 265216 2675440 12428428 71.34 2042124 11387700 154188 10:10:10 4820768 7757096 8180520 49.96 268616 2707548 9961952 57.18 2106068 8923068 1072 10:20:14 10147720 13194888 2746256 16.77 272684 2810896 4232016 24.29 2140852 3588168 56804 10:30:01 9901652 13035052 2906236 17.75 275828 2893868 3684284 21.15 2166196 3807440 420 10:40:12 8344932 11508816 4431232 27.06 276648 2923504 5215580 29.94 2168416 5356488 220 10:50:11 8106976 11297692 4642392 28.35 279264 2947696 5297804 30.41 2176608 5583936 52 11:00:01 6713644 9925120 6014196 36.73 279812 2967932 6796860 39.01 2179020 6961380 212 11:10:11 6529284 9764080 6175260 37.72 280372 2990676 6942460 39.85 2182884 7150224 392 11:20:32 8009352 11398452 4541616 27.74 284696 3135340 5247796 30.12 2200276 5652432 184 Average: 7221926 10356129 5583372 34.10 275904 2894767 6645242 38.14 2151383 6490093 23727 09:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:01 lo 22.08 22.08 19.57 19.57 0.00 0.00 0.00 0.00 10:00:01 ens3 1.87 1.91 0.60 0.53 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:10 lo 48.52 48.52 20.87 20.87 0.00 0.00 0.00 0.00 10:10:10 ens3 1.87 1.87 0.38 1.26 0.00 0.00 0.00 0.00 10:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:14 lo 21.91 21.91 10.00 10.00 0.00 0.00 0.00 0.00 10:20:14 ens3 0.66 0.56 0.18 0.14 0.00 0.00 0.00 0.00 10:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 12.99 12.99 7.45 7.45 0.00 0.00 0.00 0.00 10:30:01 ens3 0.89 0.98 0.19 0.17 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:12 lo 19.65 19.65 9.49 9.49 0.00 0.00 0.00 0.00 10:40:12 ens3 1.08 0.69 0.30 0.21 0.00 0.00 0.00 0.00 10:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:11 lo 28.07 28.07 9.84 9.84 0.00 0.00 0.00 0.00 10:50:11 ens3 0.54 0.40 0.11 0.08 0.00 0.00 0.00 0.00 10:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 15.17 15.17 7.85 7.85 0.00 0.00 0.00 0.00 11:00:01 ens3 0.65 0.48 0.17 0.13 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:11 lo 17.45 17.45 10.40 10.40 0.00 0.00 0.00 0.00 11:10:11 ens3 0.77 0.61 0.19 0.15 0.00 0.00 0.00 0.00 11:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:32 lo 18.80 18.80 10.16 10.16 0.00 0.00 0.00 0.00 11:20:32 ens3 0.92 0.81 0.24 0.20 0.00 0.00 0.00 0.00 11:20:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.78 22.78 11.75 11.75 0.00 0.00 0.00 0.00 Average: ens3 1.03 0.92 0.26 0.32 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-17396) 05/21/26 _x86_64_ (4 CPU) 09:43:20 LINUX RESTART (4 CPU) 09:50:07 CPU %user %nice %system %iowait %steal %idle 10:00:01 all 55.40 0.00 2.14 0.11 0.11 42.25 10:00:01 0 56.44 0.00 2.11 0.12 0.11 41.22 10:00:01 1 53.98 0.00 2.34 0.04 0.11 43.53 10:00:01 2 55.35 0.00 2.12 0.10 0.11 42.32 10:00:01 3 55.81 0.00 1.97 0.17 0.11 41.93 10:10:10 all 43.97 0.00 1.67 0.05 0.10 54.21 10:10:10 0 43.91 0.00 1.69 0.03 0.10 54.28 10:10:10 1 42.98 0.00 1.74 0.04 0.10 55.14 10:10:10 2 45.42 0.00 1.68 0.04 0.10 52.76 10:10:10 3 43.56 0.00 1.58 0.07 0.11 54.67 10:20:14 all 16.96 0.00 0.74 0.05 0.08 82.17 10:20:14 0 16.29 0.00 0.66 0.08 0.08 82.89 10:20:14 1 17.33 0.00 0.76 0.02 0.09 81.80 10:20:14 2 17.22 0.00 0.78 0.06 0.09 81.85 10:20:14 3 16.99 0.00 0.74 0.06 0.08 82.13 10:30:01 all 29.73 0.00 0.92 0.07 0.08 69.20 10:30:01 0 29.08 0.00 0.99 0.13 0.08 69.72 10:30:01 1 29.79 0.00 0.94 0.06 0.08 69.12 10:30:01 2 29.47 0.00 0.89 0.04 0.08 69.52 10:30:01 3 30.57 0.00 0.86 0.04 0.08 68.46 10:40:12 all 13.95 0.00 0.49 0.02 0.07 85.47 10:40:12 0 14.28 0.00 0.45 0.02 0.07 85.18 10:40:12 1 14.30 0.00 0.51 0.00 0.07 85.12 10:40:12 2 13.08 0.00 0.54 0.04 0.07 86.27 10:40:12 3 14.13 0.00 0.47 0.03 0.07 85.31 10:50:11 all 9.08 0.00 0.52 0.05 0.07 90.29 10:50:11 0 8.98 0.00 0.47 0.01 0.06 90.48 10:50:11 1 8.94 0.00 0.54 0.03 0.07 90.43 10:50:11 2 9.54 0.00 0.57 0.13 0.07 89.69 10:50:11 3 8.86 0.00 0.49 0.02 0.06 90.57 11:00:01 all 10.36 0.00 0.47 0.02 0.07 89.09 11:00:01 0 10.38 0.00 0.37 0.01 0.06 89.18 11:00:01 1 10.34 0.00 0.59 0.01 0.07 89.00 11:00:01 2 10.49 0.00 0.53 0.05 0.07 88.86 11:00:01 3 10.23 0.00 0.40 0.01 0.06 89.30 11:10:11 all 9.55 0.00 0.46 0.02 0.07 89.90 11:10:11 0 9.44 0.00 0.37 0.01 0.06 90.12 11:10:11 1 9.53 0.00 0.51 0.03 0.07 89.86 11:10:11 2 9.57 0.00 0.48 0.02 0.06 89.86 11:10:11 3 9.67 0.00 0.47 0.02 0.06 89.77 11:20:32 all 19.25 0.00 0.66 0.05 0.07 79.97 11:20:32 0 19.36 0.00 0.72 0.04 0.07 79.82 11:20:32 1 18.46 0.00 0.59 0.03 0.07 80.85 11:20:32 2 19.25 0.00 0.66 0.02 0.07 79.99 11:20:32 3 19.93 0.00 0.67 0.10 0.07 79.22 Average: all 23.08 0.00 0.89 0.05 0.08 75.90 Average: 0 23.07 0.00 0.87 0.05 0.08 75.94 Average: 1 22.79 0.00 0.94 0.03 0.08 76.16 Average: 2 23.20 0.00 0.91 0.06 0.08 75.74 Average: 3 23.25 0.00 0.85 0.06 0.08 75.76