---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-4516 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 720 10689 3 4579 14926 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:7b:16:ac brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79624sec preferred_lft 79624sec inet6 fe80::f816:3eff:fe7b:16ac/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:1d:90:e9:82:44 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 ---> sar -b -r -n DEV: Linux 5.15.0-164-generic (prd-ubuntu2204-docker-4c-16g-4516) 01/26/26 _x86_64_ (4 CPU) 12:03:58 LINUX RESTART (4 CPU) 12:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:27 100.62 22.09 74.54 3.99 340.66 22996.50 11047.13 12:30:05 21.63 1.73 18.83 1.07 24.89 519.99 916.77 12:40:01 7.80 0.16 7.24 0.40 6.51 277.56 508.51 12:50:27 15.32 0.09 14.59 0.64 5.22 687.72 374.55 13:00:06 27.24 12.50 14.08 0.66 151.86 475.00 545.32 13:10:01 5.26 0.01 5.09 0.16 0.59 140.75 50.31 13:20:07 5.02 0.01 4.80 0.20 1.29 150.37 96.58 13:30:08 5.40 0.01 5.20 0.19 0.63 155.29 252.13 13:40:02 27.76 0.13 11.30 16.33 1.99 677.96 212045.74 13:50:09 4.94 0.02 4.74 0.18 1.05 159.75 96.05 Average: 22.37 3.72 16.28 2.38 54.28 2718.61 22386.71 12:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:27 162760 3817784 12112384 73.98 261500 3356576 13137808 75.41 2080056 13518032 240 12:30:05 2960072 6307784 9625956 58.79 263248 3066328 10879296 62.45 2125976 10693080 692 12:40:01 6493968 9867472 6068564 37.06 264124 3091304 6839556 39.26 2134988 7154528 296 12:50:27 10169080 13675944 2262148 13.82 269804 3219072 2974540 17.07 2174124 3479160 392 13:00:06 7787644 11416400 4520280 27.61 277836 3322340 5188764 29.78 2220484 5788968 404 13:10:01 7865272 11512120 4424432 27.02 278328 3339948 5139212 29.50 2221796 5718172 352 13:20:07 6050484 9718632 6217052 37.97 278828 3360768 6827916 39.19 2223840 7522000 596 13:30:08 6154396 9844140 6091552 37.20 279404 3381728 6707072 38.50 2227136 7413824 452 13:40:02 7630948 11476396 4459836 27.24 285756 3524820 5166560 29.66 2249960 5912812 288 13:50:09 6775616 10647288 5288572 32.30 286244 3550464 5972708 34.28 2260744 6760612 520 Average: 6205024 9828396 6107078 37.30 274507 3321335 6883343 39.51 2191910 7396119 423 12:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:27 lo 18.23 18.23 15.69 15.69 0.00 0.00 0.00 0.00 12:20:27 ens3 36.56 28.14 612.57 3.81 0.00 0.00 0.00 0.00 12:20:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:05 lo 44.09 44.09 18.65 18.65 0.00 0.00 0.00 0.00 12:30:05 ens3 1.78 1.68 0.35 0.62 0.00 0.00 0.00 0.00 12:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 lo 21.32 21.32 10.42 10.42 0.00 0.00 0.00 0.00 12:40:01 ens3 0.99 0.72 0.21 0.16 0.00 0.00 0.00 0.00 12:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:27 lo 11.90 11.90 5.88 5.88 0.00 0.00 0.00 0.00 12:50:27 ens3 0.97 0.77 0.25 0.20 0.00 0.00 0.00 0.00 12:50:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:06 lo 19.73 19.73 10.21 10.21 0.00 0.00 0.00 0.00 13:00:06 ens3 0.95 0.68 0.20 0.15 0.00 0.00 0.00 0.00 13:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 20.57 20.57 8.68 8.68 0.00 0.00 0.00 0.00 13:10:01 ens3 0.78 0.57 0.19 0.15 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:07 lo 26.73 26.73 11.21 11.21 0.00 0.00 0.00 0.00 13:20:07 ens3 0.69 0.47 0.15 0.11 0.00 0.00 0.00 0.00 13:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:08 lo 17.36 17.36 10.17 10.17 0.00 0.00 0.00 0.00 13:30:08 ens3 0.90 0.70 0.24 0.18 0.00 0.00 0.00 0.00 13:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:02 lo 19.08 19.08 10.73 10.73 0.00 0.00 0.00 0.00 13:40:02 ens3 1.26 1.00 0.39 0.30 0.00 0.00 0.00 0.00 13:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:09 lo 17.00 17.00 7.02 7.02 0.00 0.00 0.00 0.00 13:50:09 ens3 0.71 0.47 0.13 0.10 0.00 0.00 0.00 0.00 13:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.47 21.47 10.84 10.84 0.00 0.00 0.00 0.00 Average: ens3 4.70 3.63 64.03 0.59 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-16g-4516) 01/26/26 _x86_64_ (4 CPU) 12:03:58 LINUX RESTART (4 CPU) 12:10:01 CPU %user %nice %system %iowait %steal %idle 12:20:27 all 54.35 0.00 2.24 0.33 0.10 42.98 12:20:27 0 53.86 0.00 2.13 0.11 0.10 43.80 12:20:27 1 57.07 0.00 2.43 0.44 0.10 39.96 12:20:27 2 54.01 0.00 2.30 0.23 0.10 43.36 12:20:27 3 52.47 0.00 2.11 0.53 0.10 44.80 12:30:05 all 41.01 0.00 1.65 0.06 0.09 57.18 12:30:05 0 40.71 0.00 1.57 0.03 0.09 57.59 12:30:05 1 41.45 0.00 1.58 0.10 0.10 56.77 12:30:05 2 40.93 0.00 1.80 0.06 0.10 57.12 12:30:05 3 40.96 0.00 1.66 0.06 0.09 57.22 12:40:01 all 17.29 0.00 0.80 0.04 0.08 81.79 12:40:01 0 16.82 0.00 0.75 0.02 0.08 82.32 12:40:01 1 16.71 0.00 0.79 0.07 0.08 82.35 12:40:01 2 17.89 0.00 0.82 0.04 0.08 81.17 12:40:01 3 17.76 0.00 0.82 0.02 0.08 81.31 12:50:27 all 20.07 0.00 0.76 0.06 0.08 79.04 12:50:27 0 19.58 0.00 0.73 0.04 0.08 79.57 12:50:27 1 18.68 0.00 0.74 0.11 0.08 80.39 12:50:27 2 20.74 0.00 0.88 0.04 0.08 78.26 12:50:27 3 21.26 0.00 0.69 0.04 0.08 77.93 13:00:06 all 25.38 0.08 0.89 0.07 0.08 73.50 13:00:06 0 24.47 0.14 0.86 0.04 0.08 74.40 13:00:06 1 25.69 0.01 1.03 0.11 0.08 73.09 13:00:06 2 25.73 0.00 0.85 0.04 0.09 73.29 13:00:06 3 25.62 0.15 0.83 0.11 0.08 73.20 13:10:01 all 8.15 0.00 0.40 0.02 0.06 91.37 13:10:01 0 8.04 0.00 0.39 0.03 0.06 91.48 13:10:01 1 7.79 0.00 0.47 0.01 0.07 91.66 13:10:01 2 8.41 0.00 0.36 0.03 0.06 91.14 13:10:01 3 8.36 0.00 0.36 0.02 0.06 91.20 13:20:07 all 9.80 0.00 0.48 0.02 0.07 89.64 13:20:07 0 9.80 0.00 0.51 0.03 0.07 89.58 13:20:07 1 10.05 0.00 0.46 0.02 0.07 89.41 13:20:07 2 10.01 0.00 0.47 0.02 0.07 89.44 13:20:07 3 9.35 0.00 0.47 0.01 0.06 90.11 13:30:08 all 9.46 0.00 0.44 0.02 0.07 90.01 13:30:08 0 9.35 0.00 0.45 0.02 0.07 90.11 13:30:08 1 9.37 0.00 0.45 0.01 0.07 90.09 13:30:08 2 9.57 0.00 0.40 0.02 0.07 89.93 13:30:08 3 9.53 0.00 0.46 0.03 0.07 89.91 13:40:02 all 19.57 0.00 0.76 0.07 0.07 79.53 13:40:02 0 19.33 0.00 0.75 0.07 0.07 79.78 13:40:02 1 19.53 0.00 0.76 0.07 0.07 79.57 13:40:02 2 20.39 0.00 0.79 0.03 0.07 78.72 13:40:02 3 19.05 0.00 0.72 0.10 0.08 80.06 13:50:09 all 8.28 0.00 0.36 0.02 0.06 91.28 13:50:09 0 8.18 0.00 0.34 0.03 0.06 91.40 13:50:09 1 8.26 0.00 0.39 0.02 0.07 91.26 13:50:09 2 8.24 0.00 0.37 0.01 0.07 91.31 13:50:09 3 8.45 0.00 0.33 0.02 0.06 91.15 Average: all 21.38 0.01 0.88 0.07 0.08 77.59 Average: 0 21.06 0.01 0.85 0.04 0.07 77.96 Average: 1 21.51 0.00 0.91 0.10 0.08 77.40 Average: 2 21.64 0.00 0.91 0.05 0.08 77.32 Average: 3 21.31 0.01 0.85 0.09 0.08 77.66