---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-58134 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: 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 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 718 11528 3 3742 14928 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:1a:bb:ac brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.149/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78651sec preferred_lft 78651sec inet6 fe80::f816:3eff:fe1a:bbac/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:21:ca:51:39:99 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::9821:caff:fe51:3999/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-58134) 03/31/26 _x86_64_ (4 CPU) 11:04:20 LINUX RESTART (4 CPU) 11:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:08 105.42 22.41 79.46 3.55 343.54 28539.30 11328.75 11:30:09 28.98 9.63 18.40 0.95 182.99 446.34 443.04 11:40:18 5.50 0.23 5.04 0.23 12.83 178.14 561.69 11:50:18 7.41 0.09 6.97 0.35 3.60 232.39 416.72 12:00:18 15.72 0.04 15.00 0.67 3.48 729.96 1414.68 12:10:18 27.58 0.45 11.40 15.73 17.45 362.24 212153.40 12:20:18 7.53 0.00 7.30 0.23 0.43 223.64 564.62 12:30:10 4.37 0.01 4.27 0.10 0.04 76.58 30.20 12:40:11 7.69 0.02 7.29 0.37 1.60 259.57 208.65 12:50:18 2.39 0.00 2.39 0.00 0.00 42.61 0.03 13:00:18 11.43 0.06 10.81 0.56 4.29 691.80 499.67 13:10:18 5.04 0.03 4.82 0.19 1.09 166.53 280.35 Average: 19.17 2.77 14.49 1.91 47.92 2688.26 18958.71 11:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:08 159520 3740452 12189484 74.45 270436 3271880 13327536 76.50 2130772 13464900 1404 11:30:09 4900708 7389540 8548764 52.21 267632 2275000 9351432 53.68 1976728 8973764 288 11:40:18 8503556 11010960 4927740 30.10 268196 2293032 5650008 32.43 1987908 5363688 112 11:50:18 7139136 9665220 6275460 38.33 269272 2310652 7046360 40.45 1993716 6750072 184 12:00:18 11135924 13792628 2150352 13.13 274508 2436016 2897040 16.63 2032896 2720240 128 12:10:18 8676652 11395088 4546648 27.77 276964 2495300 5332024 30.61 2045988 5156704 252 12:20:18 9915428 12664880 3277628 20.02 277524 2525752 4275452 24.54 2047516 3931636 536 12:30:10 8563600 11317440 4624000 28.24 278088 2529576 5214904 29.93 2048112 5269740 68 12:40:11 7262336 10056644 5884356 35.94 279056 2569076 6768648 38.85 2053544 6558352 236 12:50:18 6900800 9697564 6243140 38.13 279456 2571152 6990012 40.12 2053944 6926548 156 13:00:18 8452080 11399424 4542272 27.74 284004 2716768 5220280 29.96 2070824 5362388 400 13:10:18 7731476 10706120 5234992 31.97 284520 2743528 5922524 34.00 2081396 6072172 332 Average: 7445101 10236330 5703736 34.84 275805 2561478 6499685 37.31 2043612 6379184 341 11:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:08 lo 16.39 16.39 14.80 14.80 0.00 0.00 0.00 0.00 11:20:08 ens3 36.28 27.21 636.06 3.10 0.00 0.00 0.00 0.00 11:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:09 lo 33.05 33.05 15.09 15.09 0.00 0.00 0.00 0.00 11:30:09 ens3 1.44 1.35 0.28 0.25 0.00 0.00 0.00 0.00 11:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:18 lo 27.37 27.37 9.95 9.95 0.00 0.00 0.00 0.00 11:40:18 ens3 1.20 0.61 0.26 0.16 0.00 0.00 0.00 0.00 11:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:18 lo 9.74 9.74 6.10 6.10 0.00 0.00 0.00 0.00 11:50:18 ens3 0.72 0.39 0.16 0.10 0.00 0.00 0.00 0.00 11:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:18 lo 9.16 9.16 4.62 4.62 0.00 0.00 0.00 0.00 12:00:18 ens3 1.05 0.76 0.30 0.24 0.00 0.00 0.00 0.00 12:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:18 lo 12.27 12.27 6.35 6.35 0.00 0.00 0.00 0.00 12:10:18 ens3 1.42 0.82 0.33 1.36 0.00 0.00 0.00 0.00 12:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:18 lo 17.48 17.48 8.54 8.54 0.00 0.00 0.00 0.00 12:20:18 ens3 0.90 0.64 0.21 0.15 0.00 0.00 0.00 0.00 12:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:10 lo 24.65 24.65 8.31 8.31 0.00 0.00 0.00 0.00 12:30:10 ens3 0.58 0.29 0.13 0.09 0.00 0.00 0.00 0.00 12:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:11 lo 19.08 19.08 10.84 10.84 0.00 0.00 0.00 0.00 12:40:11 ens3 1.59 0.71 0.36 0.22 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 12:50:18 lo 15.49 15.49 8.11 8.11 0.00 0.00 0.00 0.00 12:50:18 ens3 0.73 0.46 0.16 0.11 0.00 0.00 0.00 0.00 12:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:18 lo 15.37 15.37 8.76 8.76 0.00 0.00 0.00 0.00 13:00:18 ens3 1.02 0.88 0.30 0.24 0.00 0.00 0.00 0.00 13:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:18 lo 18.93 18.93 7.66 7.66 0.00 0.00 0.00 0.00 13:10:18 ens3 0.65 0.47 0.13 0.10 0.00 0.00 0.00 0.00 13:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 18.25 18.25 9.10 9.10 0.00 0.00 0.00 0.00 Average: ens3 4.00 2.91 53.81 0.51 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-58134) 03/31/26 _x86_64_ (4 CPU) 11:04:20 LINUX RESTART (4 CPU) 11:10:00 CPU %user %nice %system %iowait %steal %idle 11:20:08 all 58.04 0.00 2.57 0.33 0.12 38.94 11:20:08 0 57.25 0.00 2.65 0.17 0.12 39.80 11:20:08 1 57.08 0.00 2.46 0.23 0.13 40.10 11:20:08 2 61.21 0.00 2.65 0.45 0.13 35.57 11:20:08 3 56.61 0.00 2.50 0.48 0.12 40.28 11:30:09 all 39.02 0.00 1.54 0.09 0.12 59.23 11:30:09 0 38.54 0.00 1.59 0.03 0.12 59.71 11:30:09 1 38.71 0.00 1.55 0.15 0.12 59.46 11:30:09 2 40.00 0.00 1.45 0.08 0.12 58.36 11:30:09 3 38.82 0.00 1.59 0.08 0.13 59.38 11:40:18 all 11.41 0.00 0.71 0.03 0.11 87.75 11:40:18 0 11.60 0.00 0.63 0.01 0.10 87.66 11:40:18 1 11.10 0.00 0.76 0.04 0.11 87.99 11:40:18 2 11.35 0.00 0.81 0.01 0.12 87.72 11:40:18 3 11.60 0.00 0.62 0.04 0.11 87.62 11:50:18 all 16.40 0.00 0.64 0.04 0.07 82.85 11:50:18 0 15.74 0.00 0.59 0.02 0.06 83.59 11:50:18 1 16.78 0.00 0.70 0.06 0.08 82.38 11:50:18 2 16.63 0.00 0.67 0.04 0.08 82.58 11:50:18 3 16.46 0.00 0.58 0.05 0.06 82.84 12:00:18 all 22.32 0.00 0.82 0.06 0.08 76.72 12:00:18 0 21.48 0.00 0.84 0.07 0.07 77.54 12:00:18 1 22.00 0.00 0.73 0.08 0.08 77.11 12:00:18 2 21.95 0.00 0.84 0.02 0.08 77.12 12:00:18 3 23.86 0.00 0.86 0.07 0.08 75.14 12:10:18 all 19.86 0.00 0.71 0.14 0.08 79.21 12:10:18 0 19.57 0.00 0.75 0.20 0.07 79.40 12:10:18 1 20.71 0.00 0.75 0.26 0.08 78.21 12:10:18 2 19.28 0.00 0.72 0.07 0.09 79.84 12:10:18 3 19.89 0.00 0.60 0.05 0.07 79.39 12:20:18 all 12.36 0.00 0.46 0.02 0.07 87.09 12:20:18 0 12.36 0.00 0.49 0.05 0.06 87.05 12:20:18 1 12.32 0.00 0.38 0.02 0.07 87.22 12:20:18 2 12.25 0.00 0.43 0.00 0.06 87.25 12:20:18 3 12.53 0.00 0.53 0.03 0.07 86.85 12:30:10 all 5.65 0.00 0.46 0.02 0.05 93.82 12:30:10 0 5.44 0.00 0.47 0.01 0.05 94.03 12:30:10 1 5.81 0.00 0.43 0.01 0.05 93.70 12:30:10 2 5.99 0.00 0.52 0.05 0.07 93.37 12:30:10 3 5.34 0.00 0.42 0.03 0.05 94.16 12:40:11 all 18.13 0.00 0.67 0.02 0.08 81.09 12:40:11 0 18.30 0.00 0.69 0.01 0.08 80.92 12:40:11 1 17.36 0.00 0.60 0.03 0.09 81.92 12:40:11 2 17.99 0.00 0.74 0.04 0.09 81.15 12:40:11 3 18.87 0.00 0.67 0.02 0.09 80.36 12:50:18 all 3.37 0.00 0.28 0.02 0.06 96.28 12:50:18 0 2.93 0.00 0.26 0.00 0.05 96.75 12:50:18 1 3.65 0.00 0.29 0.01 0.06 95.99 12:50:18 2 3.54 0.00 0.31 0.03 0.06 96.05 12:50:18 3 3.35 0.00 0.25 0.02 0.05 96.33 13:00:18 all 21.14 0.00 0.82 0.05 0.08 77.90 13:00:18 0 21.15 0.00 0.81 0.07 0.08 77.89 13:00:18 1 21.49 0.00 0.86 0.03 0.08 77.54 13:00:18 2 20.08 0.00 0.85 0.10 0.09 78.87 13:00:18 3 21.86 0.00 0.75 0.03 0.08 77.29 13:00:18 CPU %user %nice %system %iowait %steal %idle 13:10:18 all 9.93 0.00 0.53 0.02 0.06 89.46 13:10:18 0 9.80 0.00 0.44 0.00 0.06 89.70 13:10:18 1 10.45 0.00 0.47 0.04 0.06 88.98 13:10:18 2 9.49 0.00 0.60 0.01 0.07 89.83 13:10:18 3 9.99 0.00 0.61 0.02 0.06 89.32 Average: all 19.83 0.00 0.85 0.07 0.08 79.16 Average: 0 19.54 0.00 0.85 0.05 0.08 79.47 Average: 1 19.81 0.00 0.83 0.08 0.08 79.20 Average: 2 20.01 0.00 0.88 0.07 0.09 78.94 Average: 3 19.97 0.00 0.83 0.08 0.08 79.04