---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-21008 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: 5599.99 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 61G 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 689 11656 4 3643 14957 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:8c:df:94 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.188/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78556sec preferred_lft 78556sec inet6 fe80::f816:3eff:fe8c:df94/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:82:eb:78:88:e1 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-21008) 02/26/26 _x86_64_ (4 CPU) 11:17:55 LINUX RESTART (4 CPU) 11:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:11 109.70 4.54 101.31 3.84 229.85 35774.67 10198.44 11:40:11 58.88 29.98 27.35 1.56 436.81 1703.55 1635.20 11:50:00 7.00 0.84 5.87 0.29 24.59 178.82 573.12 12:00:01 7.26 0.05 6.82 0.39 2.37 252.45 521.47 12:10:01 14.89 0.03 14.14 0.72 1.07 704.25 709.58 12:20:01 11.95 0.01 11.39 0.55 0.81 352.97 531.23 12:30:01 22.33 0.08 6.74 15.51 3.06 212.25 211389.06 12:40:11 4.46 0.01 4.33 0.12 0.51 84.78 252.42 12:50:01 3.45 0.01 3.33 0.11 0.76 117.67 48.37 13:00:01 5.64 0.00 5.44 0.19 0.45 157.67 68.43 13:10:04 4.49 0.00 4.33 0.16 0.13 142.39 72.74 13:20:01 10.01 0.04 9.60 0.37 1.26 562.37 208.03 Average: 21.81 2.97 16.85 1.99 58.76 3403.02 18877.00 11:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:11 163568 5840796 10085932 61.60 254620 5274860 11855552 68.05 2031924 13463932 1972 11:40:11 4397476 6826284 9112988 55.66 259652 2229448 10543704 60.52 1881080 9601876 884 11:50:00 4725276 7172000 8767156 53.55 260584 2246440 9455528 54.27 1897676 9236084 264 12:00:01 7268228 9735260 6206476 37.91 261620 2265708 6974976 40.04 1902504 6719288 792 12:10:01 11110252 13703908 2240236 13.68 267068 2386816 2956076 16.97 1952624 2837392 328 12:20:01 8905764 11548340 4394456 26.84 268920 2433856 5133868 29.47 1956664 5025296 204 12:30:01 9225528 11902972 4040072 24.68 270156 2467484 4999516 28.70 1964168 4710808 808 12:40:11 11113184 13812152 2131844 13.02 270652 2488512 3424744 19.66 1966204 2826412 17712 12:50:01 7186632 9887676 6053984 36.98 271108 2490132 6764796 38.83 1966864 6731820 252 13:00:01 7224912 9947072 5994496 36.61 271748 2510632 6711472 38.52 1970480 6696520 360 13:10:04 8772016 11516056 4426552 27.04 272520 2531716 5162696 29.63 1972712 5139416 264 13:20:01 8425136 11290756 4651692 28.41 276188 2649196 5214188 29.93 1987276 5468716 612 Average: 7376498 10265273 5675490 34.66 267070 2664567 6599760 37.88 1954181 6538130 2038 11:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:11 lo 6.74 6.74 7.46 7.46 0.00 0.00 0.00 0.00 11:30:11 ens3 116.36 91.36 1562.88 9.30 0.00 0.00 0.00 0.00 11:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:11 lo 40.63 40.63 19.93 19.93 0.00 0.00 0.00 0.00 11:40:11 ens3 2.36 2.02 0.58 0.47 0.00 0.00 0.00 0.00 11:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:00 lo 30.28 30.28 12.93 12.93 0.00 0.00 0.00 0.00 11:50:00 ens3 1.62 0.80 0.34 1.26 0.00 0.00 0.00 0.00 11:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 8.15 8.15 5.27 5.27 0.00 0.00 0.00 0.00 12:00:01 ens3 0.69 0.40 0.13 0.09 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 11.21 11.21 5.56 5.56 0.00 0.00 0.00 0.00 12:10:01 ens3 0.98 0.75 0.26 0.20 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 lo 12.81 12.81 6.57 6.57 0.00 0.00 0.00 0.00 12:20:01 ens3 0.67 0.50 0.13 0.10 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 16.92 16.92 8.40 8.40 0.00 0.00 0.00 0.00 12:30:01 ens3 0.72 0.55 0.14 0.11 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:11 lo 23.86 23.86 8.00 8.00 0.00 0.00 0.00 0.00 12:40:11 ens3 0.60 0.33 0.15 0.10 0.00 0.00 0.00 0.00 12:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:01 lo 16.96 16.96 8.73 8.73 0.00 0.00 0.00 0.00 12:50:01 ens3 0.68 0.56 0.18 0.14 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 16.04 16.04 9.79 9.79 0.00 0.00 0.00 0.00 13:00:01 ens3 0.74 0.55 0.20 0.15 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:04 lo 6.37 6.37 3.21 3.21 0.00 0.00 0.00 0.00 13:10:04 ens3 2.49 0.60 0.67 0.35 0.00 0.00 0.00 0.00 13:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 23.00 23.00 10.87 10.87 0.00 0.00 0.00 0.00 13:20:01 ens3 1.47 0.85 0.36 0.26 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 17.71 17.71 8.88 8.88 0.00 0.00 0.00 0.00 Average: ens3 10.94 8.40 132.68 1.06 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-21008) 02/26/26 _x86_64_ (4 CPU) 11:17:55 LINUX RESTART (4 CPU) 11:20:01 CPU %user %nice %system %iowait %steal %idle 11:30:11 all 55.12 0.00 2.43 1.69 0.12 40.64 11:30:11 0 53.58 0.00 2.58 1.13 0.11 42.59 11:30:11 1 57.01 0.00 2.51 0.83 0.12 39.54 11:30:11 2 55.63 0.00 2.36 0.90 0.11 41.00 11:30:11 3 54.24 0.00 2.29 3.92 0.12 39.42 11:40:11 all 52.19 0.00 1.95 0.27 0.14 45.45 11:40:11 0 51.98 0.00 1.94 0.29 0.14 45.65 11:40:11 1 51.42 0.00 1.94 0.34 0.15 46.15 11:40:11 2 52.48 0.00 2.15 0.33 0.14 44.90 11:40:11 3 52.88 0.00 1.77 0.13 0.14 45.08 11:50:00 all 13.62 0.00 0.69 0.05 0.09 85.56 11:50:00 0 13.69 0.00 0.61 0.03 0.08 85.59 11:50:00 1 14.04 0.00 0.76 0.06 0.09 85.05 11:50:00 2 13.24 0.00 0.66 0.02 0.09 85.99 11:50:00 3 13.51 0.00 0.70 0.08 0.09 85.61 12:00:01 all 16.92 0.00 0.68 0.03 0.08 82.29 12:00:01 0 15.83 0.00 0.53 0.01 0.08 83.55 12:00:01 1 16.38 0.00 0.70 0.04 0.09 82.80 12:00:01 2 17.73 0.00 0.90 0.04 0.08 81.25 12:00:01 3 17.72 0.00 0.61 0.01 0.08 81.57 12:10:01 all 22.76 0.00 0.81 0.05 0.09 76.29 12:10:01 0 22.97 0.00 0.78 0.05 0.08 76.11 12:10:01 1 23.03 0.00 0.91 0.04 0.09 75.93 12:10:01 2 21.80 0.00 0.74 0.11 0.08 77.26 12:10:01 3 23.25 0.00 0.79 0.01 0.09 75.87 12:20:01 all 19.90 0.00 0.76 0.03 0.08 79.23 12:20:01 0 19.26 0.00 0.78 0.02 0.08 79.86 12:20:01 1 20.20 0.00 0.77 0.02 0.08 78.92 12:20:01 2 20.29 0.00 0.79 0.06 0.08 78.79 12:20:01 3 19.84 0.00 0.72 0.02 0.08 79.34 12:30:01 all 12.97 0.00 0.47 0.06 0.07 86.43 12:30:01 0 13.01 0.00 0.47 0.19 0.06 86.26 12:30:01 1 13.47 0.00 0.50 0.04 0.07 85.92 12:30:01 2 12.44 0.00 0.48 0.02 0.07 87.00 12:30:01 3 12.97 0.00 0.43 0.01 0.06 86.53 12:40:11 all 6.49 0.00 0.34 0.01 0.06 93.10 12:40:11 0 6.02 0.00 0.26 0.00 0.05 93.67 12:40:11 1 6.59 0.00 0.41 0.04 0.07 92.89 12:40:11 2 6.59 0.00 0.35 0.00 0.06 93.00 12:40:11 3 6.77 0.00 0.34 0.00 0.06 92.83 12:50:01 all 7.43 0.00 0.41 0.01 0.07 92.07 12:50:01 0 7.80 0.00 0.33 0.01 0.06 91.80 12:50:01 1 7.57 0.00 0.46 0.03 0.08 91.86 12:50:01 2 7.08 0.00 0.43 0.02 0.07 92.39 12:50:01 3 7.28 0.00 0.41 0.00 0.07 92.24 13:00:01 all 10.09 0.00 0.54 0.04 0.06 89.27 13:00:01 0 10.45 0.00 0.52 0.01 0.06 88.95 13:00:01 1 9.99 0.00 0.57 0.05 0.07 89.32 13:00:01 2 9.87 0.00 0.45 0.01 0.06 89.61 13:00:01 3 10.05 0.00 0.64 0.06 0.06 89.19 13:10:04 all 7.20 0.00 0.47 0.02 0.06 92.24 13:10:04 0 6.80 0.00 0.44 0.01 0.06 92.69 13:10:04 1 7.25 0.00 0.51 0.02 0.07 92.16 13:10:04 2 7.69 0.00 0.56 0.03 0.08 91.64 13:10:04 3 7.06 0.00 0.39 0.01 0.06 92.49 13:10:04 CPU %user %nice %system %iowait %steal %idle 13:20:01 all 15.31 0.00 0.65 0.15 0.07 83.82 13:20:01 0 14.84 0.00 0.65 0.13 0.06 84.31 13:20:01 1 15.94 0.00 0.70 0.38 0.08 82.90 13:20:01 2 15.27 0.00 0.59 0.06 0.07 84.00 13:20:01 3 15.17 0.00 0.66 0.02 0.07 84.08 Average: all 20.04 0.00 0.85 0.20 0.08 78.82 Average: 0 19.72 0.00 0.83 0.16 0.08 79.22 Average: 1 20.28 0.00 0.90 0.16 0.09 78.58 Average: 2 20.06 0.00 0.87 0.14 0.08 78.85 Average: 3 20.10 0.00 0.81 0.36 0.08 78.64