---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-8280 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 720 10544 3 4724 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:9c:40:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79615sec preferred_lft 79615sec inet6 fe80::f816:3eff:fe9c:40b6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:6b:85:97:f8:a4 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::46b:85ff:fe97:f8a4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-8280) 03/23/26 _x86_64_ (4 CPU) 07:12:11 LINUX RESTART (4 CPU) 07:20:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:15 111.23 23.72 69.16 18.35 362.05 12413.48 226046.59 07:40:50 20.67 1.63 18.03 1.01 22.56 471.15 1594.50 07:50:50 8.52 0.12 7.96 0.44 6.31 289.42 1191.58 08:00:01 14.48 0.15 13.68 0.64 2.85 645.67 773.26 08:10:50 15.18 0.02 14.50 0.66 0.74 499.81 220.99 08:20:49 5.22 0.02 5.05 0.16 0.76 140.86 303.57 08:30:01 5.45 0.01 5.23 0.21 1.16 159.72 57.10 08:40:29 4.52 0.00 4.32 0.20 0.31 145.24 272.88 08:50:05 5.61 0.03 5.31 0.28 3.70 190.89 95.15 09:00:01 10.52 0.08 10.07 0.37 1.15 663.70 254.44 Average: 20.05 2.54 15.31 2.20 39.59 1540.15 22666.90 07:20:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:15 392124 4002320 11926916 72.84 265076 3310060 13237700 75.98 2080876 13292484 1228 07:40:50 3640692 7215232 8716812 53.24 268696 3271828 9478560 54.41 2137252 9993248 480 07:50:50 6203268 9803628 6130032 37.44 269816 3296580 6966988 39.99 2145996 7431124 476 08:00:01 9998164 13715612 2221456 13.57 274664 3407364 2970964 17.05 2183376 3623352 10284 08:10:50 7571808 11360716 4575036 27.94 276624 3476832 5320204 30.54 2188884 6039636 96 08:20:49 7681404 11487800 4447756 27.17 277388 3493568 5211404 29.91 2190364 5927988 264 08:30:01 6313724 10139804 5795068 35.39 277956 3512672 6618932 37.99 2192424 7277184 168 08:40:29 6070348 9918704 6015916 36.74 278500 3534388 6786772 38.96 2195672 7516644 292 08:50:05 11321076 15298176 638804 3.90 282408 3653292 1368880 7.86 2203480 2266444 99220 09:00:01 10753636 14781972 1155212 7.06 283472 3703112 2046252 11.75 2223764 2828404 484 Average: 6994624 10772396 5162301 31.53 275460 3465970 6000666 34.44 2174209 6619651 11299 07:20:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:15 lo 18.15 18.15 16.12 16.12 0.00 0.00 0.00 0.00 07:30:15 ens3 1.98 1.78 0.60 0.50 0.00 0.00 0.00 0.00 07:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:50 lo 37.85 37.85 16.48 16.48 0.00 0.00 0.00 0.00 07:40:50 ens3 2.02 2.19 0.35 1.00 0.00 0.00 0.00 0.00 07:40:50 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:50 lo 25.57 25.57 11.60 11.60 0.00 0.00 0.00 0.00 07:50:50 ens3 1.91 0.97 0.43 0.60 0.00 0.00 0.00 0.00 07:50:50 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 lo 12.62 12.62 6.30 6.30 0.00 0.00 0.00 0.00 08:00:01 ens3 1.41 0.82 0.39 0.27 0.00 0.00 0.00 0.00 08:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:50 lo 18.11 18.11 9.26 9.26 0.00 0.00 0.00 0.00 08:10:50 ens3 0.90 0.67 0.16 0.13 0.00 0.00 0.00 0.00 08:10:50 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:49 lo 20.00 20.00 8.46 8.46 0.00 0.00 0.00 0.00 08:20:49 ens3 1.19 0.55 0.22 0.13 0.00 0.00 0.00 0.00 08:20:49 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 18.90 18.90 7.77 7.77 0.00 0.00 0.00 0.00 08:30:01 ens3 0.83 0.31 0.17 0.09 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:29 lo 21.09 21.09 10.83 10.83 0.00 0.00 0.00 0.00 08:40:29 ens3 0.92 0.62 0.21 0.15 0.00 0.00 0.00 0.00 08:40:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:05 lo 15.01 15.01 8.22 8.22 0.00 0.00 0.00 0.00 08:50:05 ens3 1.10 0.72 0.30 0.23 0.00 0.00 0.00 0.00 08:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 23.48 23.48 10.99 10.99 0.00 0.00 0.00 0.00 09:00:01 ens3 0.94 0.73 0.20 0.16 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.27 21.27 10.68 10.68 0.00 0.00 0.00 0.00 Average: ens3 1.32 0.94 0.30 0.33 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-8280) 03/23/26 _x86_64_ (4 CPU) 07:12:11 LINUX RESTART (4 CPU) 07:20:29 CPU %user %nice %system %iowait %steal %idle 07:30:15 all 55.03 0.00 2.20 1.05 0.11 41.61 07:30:15 0 54.07 0.00 2.09 2.69 0.11 41.03 07:30:15 1 55.53 0.00 2.10 0.60 0.11 41.66 07:30:15 2 57.09 0.00 2.35 0.63 0.11 39.82 07:30:15 3 53.43 0.00 2.23 0.29 0.11 43.95 07:40:50 all 42.13 0.00 1.62 0.07 0.12 56.06 07:40:50 0 41.82 0.00 1.76 0.04 0.11 56.26 07:40:50 1 42.57 0.00 1.60 0.07 0.12 55.64 07:40:50 2 41.42 0.00 1.52 0.13 0.11 56.82 07:40:50 3 42.71 0.00 1.61 0.05 0.12 55.51 07:50:50 all 19.29 0.00 0.93 0.04 0.08 79.65 07:50:50 0 19.27 0.00 0.87 0.02 0.08 79.77 07:50:50 1 19.08 0.00 0.92 0.03 0.09 79.89 07:50:50 2 19.54 0.00 1.02 0.03 0.08 79.33 07:50:50 3 19.27 0.00 0.92 0.10 0.08 79.63 08:00:01 all 21.69 0.00 0.87 0.05 0.07 77.32 08:00:01 0 20.80 0.00 0.76 0.04 0.07 78.34 08:00:01 1 23.44 0.00 0.94 0.05 0.07 75.50 08:00:01 2 21.52 0.00 1.03 0.11 0.07 77.27 08:00:01 3 20.99 0.00 0.74 0.02 0.07 78.18 08:10:50 all 27.07 0.00 0.94 0.07 0.09 71.83 08:10:50 0 27.75 0.00 0.80 0.06 0.07 71.32 08:10:50 1 26.98 0.00 0.98 0.04 0.08 71.92 08:10:50 2 27.16 0.00 1.06 0.04 0.11 71.63 08:10:50 3 26.39 0.00 0.93 0.14 0.08 72.46 08:20:49 all 8.97 0.00 0.51 0.02 0.06 90.44 08:20:49 0 8.61 0.00 0.48 0.01 0.06 90.85 08:20:49 1 9.20 0.00 0.53 0.04 0.06 90.17 08:20:49 2 9.27 0.00 0.54 0.01 0.07 90.12 08:20:49 3 8.82 0.00 0.49 0.02 0.06 90.61 08:30:01 all 9.59 0.00 0.52 0.02 0.06 89.82 08:30:01 0 9.15 0.00 0.56 0.01 0.06 90.22 08:30:01 1 9.80 0.00 0.49 0.02 0.06 89.63 08:30:01 2 9.51 0.00 0.52 0.01 0.06 89.91 08:30:01 3 9.89 0.00 0.52 0.03 0.06 89.50 08:40:29 all 10.96 0.00 0.50 0.02 0.07 88.46 08:40:29 0 10.21 0.00 0.50 0.03 0.07 89.19 08:40:29 1 11.57 0.00 0.59 0.02 0.07 87.75 08:40:29 2 11.51 0.00 0.48 0.01 0.07 87.93 08:40:29 3 10.53 0.00 0.44 0.00 0.06 88.97 08:50:05 all 8.41 0.00 0.42 0.02 0.07 91.07 08:50:05 0 8.07 0.00 0.40 0.01 0.08 91.44 08:50:05 1 9.20 0.00 0.40 0.03 0.07 90.29 08:50:05 2 7.90 0.00 0.36 0.02 0.07 91.65 08:50:05 3 8.46 0.00 0.52 0.03 0.07 90.91 09:00:01 all 16.80 0.00 0.72 0.04 0.09 82.36 09:00:01 0 16.71 0.00 0.69 0.03 0.08 82.49 09:00:01 1 16.22 0.00 0.75 0.05 0.09 82.89 09:00:01 2 17.11 0.00 0.82 0.02 0.09 81.96 09:00:01 3 17.17 0.00 0.60 0.05 0.08 82.09 Average: all 22.18 0.00 0.93 0.14 0.08 76.68 Average: 0 21.84 0.00 0.90 0.29 0.08 76.89 Average: 1 22.52 0.00 0.93 0.09 0.08 76.37 Average: 2 22.39 0.00 0.97 0.10 0.09 76.46 Average: 3 21.95 0.00 0.90 0.07 0.08 76.99