---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-40888 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 697 11274 3 4017 14949 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:09:38:de 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 78747sec preferred_lft 78747sec inet6 fe80::f816:3eff:fe09:38de/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:c0:a0:c3:82:51 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-40888) 03/25/26 _x86_64_ (4 CPU) 10:15:29 LINUX RESTART (4 CPU) 10:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:14 106.28 22.30 80.36 3.63 348.94 28335.82 10435.69 10:40:16 38.53 3.81 18.65 16.08 81.04 479.13 210448.13 10:50:01 5.69 0.22 5.26 0.21 12.54 166.44 343.19 11:00:16 8.07 0.03 7.66 0.38 1.37 258.76 1728.84 11:10:16 20.03 0.08 19.06 0.90 2.08 839.60 1342.49 11:20:01 10.50 0.08 9.98 0.44 3.02 301.96 442.21 11:30:16 5.32 0.00 5.14 0.18 0.21 145.64 90.87 11:40:16 5.14 0.02 4.94 0.18 1.39 139.55 177.40 11:50:01 17.29 12.33 4.76 0.20 144.75 160.60 104.38 12:00:16 5.83 0.03 5.63 0.17 1.72 163.82 78.25 12:10:16 9.59 0.03 9.16 0.40 3.84 580.53 237.16 12:20:01 5.66 0.02 5.45 0.19 0.62 183.51 82.11 Average: 19.99 3.26 14.81 1.92 50.45 2697.19 18872.79 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:14 1887996 5580244 10350932 63.22 268132 3387416 11604896 66.61 2122044 11749516 1472 10:40:16 3372012 6127900 9810424 59.92 269812 2528064 10668180 61.24 2103784 10378348 364 10:50:01 8339092 11113308 4828212 29.49 270564 2545652 5514328 31.65 2115412 5410228 52 11:00:16 6854136 9644356 6296424 38.46 271676 2560548 7003636 40.20 2120004 6885808 324 11:10:16 10721356 13660500 2282592 13.94 277740 2703336 3003548 17.24 2159728 3005716 172 11:20:01 8364472 11343428 4598272 28.08 278872 2742028 5244736 30.10 2163012 5352512 552 11:30:16 8478248 11475872 4465808 27.28 279460 2760104 5177076 29.72 2164444 5228668 288 11:40:16 7024560 10040928 5900044 36.04 280096 2778204 6637296 38.10 2166864 6657044 196 11:50:01 6945004 10034548 5906320 36.07 285032 2838344 6656576 38.21 2210180 6702396 552 12:00:16 8393904 11507416 4434300 27.08 285872 2861456 5158764 29.61 2212972 5246176 224 12:10:16 8025220 11270296 4671184 28.53 289544 2983184 5249660 30.13 2227708 5606408 256 12:20:01 7236932 10509736 5431200 33.17 290060 3010416 5984856 34.35 2239244 6375572 276 Average: 7136911 10192378 5747976 35.11 278905 2808229 6491963 37.26 2167116 6549866 394 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:14 lo 16.35 16.35 14.74 14.74 0.00 0.00 0.00 0.00 10:30:14 ens3 36.91 27.80 631.16 3.16 0.00 0.00 0.00 0.00 10:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:16 lo 38.63 38.63 16.80 16.80 0.00 0.00 0.00 0.00 10:40:16 ens3 1.65 1.77 0.31 0.29 0.00 0.00 0.00 0.00 10:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 22.08 22.08 8.37 8.37 0.00 0.00 0.00 0.00 10:50:01 ens3 1.19 0.64 0.25 0.84 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:16 lo 9.93 9.93 6.11 6.11 0.00 0.00 0.00 0.00 11:00:16 ens3 0.97 0.50 0.22 0.46 0.00 0.00 0.00 0.00 11:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:16 lo 12.89 12.89 6.42 6.42 0.00 0.00 0.00 0.00 11:10:16 ens3 1.33 0.92 0.35 0.26 0.00 0.00 0.00 0.00 11:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 19.90 19.90 10.40 10.40 0.00 0.00 0.00 0.00 11:20:01 ens3 1.30 0.71 0.26 0.17 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:16 lo 24.33 24.33 8.93 8.93 0.00 0.00 0.00 0.00 11:30:16 ens3 0.97 0.56 0.23 0.16 0.00 0.00 0.00 0.00 11:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:16 lo 11.43 11.43 5.47 5.47 0.00 0.00 0.00 0.00 11:40:16 ens3 0.95 0.36 0.20 0.11 0.00 0.00 0.00 0.00 11:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 14.01 14.01 7.47 7.47 0.00 0.00 0.00 0.00 11:50:01 ens3 1.27 0.50 0.28 0.16 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:16 lo 17.11 17.11 9.65 9.65 0.00 0.00 0.00 0.00 12:00:16 ens3 1.51 0.63 0.29 0.17 0.00 0.00 0.00 0.00 12:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:16 lo 13.86 13.86 7.32 7.32 0.00 0.00 0.00 0.00 12:10:16 ens3 1.65 0.85 0.45 0.31 0.00 0.00 0.00 0.00 12:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 lo 32.57 32.57 12.59 12.59 0.00 0.00 0.00 0.00 12:20:01 ens3 0.91 0.56 0.19 0.14 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 Average: lo 19.39 19.39 9.52 9.52 0.00 0.00 0.00 0.00 Average: ens3 4.28 3.03 53.99 0.52 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-40888) 03/25/26 _x86_64_ (4 CPU) 10:15:29 LINUX RESTART (4 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:30:14 all 57.94 0.00 2.56 0.25 0.12 39.12 10:30:14 0 59.54 0.00 2.54 0.36 0.12 37.44 10:30:14 1 58.10 0.00 2.65 0.30 0.13 38.82 10:30:14 2 58.08 0.00 2.44 0.19 0.12 39.18 10:30:14 3 56.02 0.00 2.63 0.17 0.12 41.06 10:40:16 all 40.09 0.00 1.69 0.08 0.12 58.02 10:40:16 0 40.81 0.00 1.85 0.09 0.12 57.12 10:40:16 1 39.66 0.00 1.73 0.06 0.12 58.43 10:40:16 2 39.96 0.00 1.63 0.03 0.12 58.27 10:40:16 3 39.95 0.00 1.54 0.15 0.12 58.25 10:50:01 all 10.49 0.00 0.60 0.02 0.08 88.80 10:50:01 0 10.60 0.00 0.52 0.05 0.08 88.75 10:50:01 1 10.05 0.00 0.71 0.01 0.08 89.15 10:50:01 2 10.78 0.00 0.65 0.00 0.09 88.48 10:50:01 3 10.54 0.00 0.51 0.03 0.08 88.84 11:00:16 all 16.70 0.00 0.71 0.03 0.09 82.48 11:00:16 0 16.61 0.00 0.81 0.05 0.09 82.44 11:00:16 1 16.88 0.00 0.70 0.01 0.08 82.32 11:00:16 2 16.65 0.00 0.62 0.01 0.09 82.63 11:00:16 3 16.67 0.00 0.69 0.05 0.08 82.51 11:10:16 all 30.03 0.00 0.99 0.06 0.09 68.83 11:10:16 0 29.93 0.00 1.02 0.04 0.09 68.93 11:10:16 1 29.95 0.00 0.93 0.01 0.09 69.02 11:10:16 2 29.73 0.00 1.08 0.12 0.10 68.97 11:10:16 3 30.51 0.00 0.94 0.06 0.09 68.40 11:20:01 all 19.05 0.00 0.70 0.03 0.08 80.14 11:20:01 0 19.24 0.00 0.77 0.02 0.09 79.88 11:20:01 1 18.93 0.00 0.69 0.02 0.09 80.27 11:20:01 2 19.29 0.00 0.67 0.05 0.08 79.91 11:20:01 3 18.75 0.00 0.66 0.03 0.08 80.48 11:30:16 all 8.34 0.00 0.42 0.02 0.07 91.15 11:30:16 0 8.09 0.00 0.43 0.01 0.07 91.40 11:30:16 1 8.70 0.00 0.47 0.00 0.08 90.75 11:30:16 2 8.24 0.00 0.39 0.02 0.07 91.27 11:30:16 3 8.31 0.00 0.40 0.03 0.07 91.20 11:40:16 all 8.95 0.00 0.44 0.02 0.07 90.52 11:40:16 0 9.30 0.00 0.36 0.02 0.07 90.25 11:40:16 1 8.71 0.00 0.45 0.01 0.07 90.76 11:40:16 2 8.97 0.00 0.47 0.02 0.07 90.47 11:40:16 3 8.83 0.00 0.46 0.02 0.07 90.61 11:50:01 all 9.54 0.07 0.48 0.06 0.08 89.77 11:50:01 0 9.36 0.15 0.40 0.09 0.08 89.91 11:50:01 1 9.69 0.10 0.47 0.05 0.08 89.61 11:50:01 2 10.13 0.00 0.57 0.04 0.07 89.19 11:50:01 3 8.97 0.05 0.49 0.05 0.07 90.36 12:00:16 all 8.36 0.00 0.40 0.02 0.08 91.14 12:00:16 0 8.45 0.00 0.43 0.02 0.07 91.03 12:00:16 1 8.33 0.00 0.44 0.01 0.08 91.14 12:00:16 2 8.26 0.00 0.35 0.03 0.08 91.28 12:00:16 3 8.41 0.00 0.38 0.01 0.07 91.12 12:10:16 all 13.88 0.00 0.55 0.03 0.08 85.46 12:10:16 0 14.07 0.00 0.52 0.02 0.07 85.32 12:10:16 1 14.41 0.00 0.65 0.02 0.08 84.83 12:10:16 2 14.08 0.00 0.55 0.07 0.08 85.22 12:10:16 3 12.96 0.00 0.48 0.01 0.07 86.49 12:10:16 CPU %user %nice %system %iowait %steal %idle 12:20:01 all 10.28 0.00 0.45 0.02 0.08 89.18 12:20:01 0 9.96 0.00 0.47 0.02 0.08 89.48 12:20:01 1 10.67 0.00 0.47 0.01 0.08 88.78 12:20:01 2 10.13 0.00 0.38 0.03 0.08 89.38 12:20:01 3 10.34 0.00 0.47 0.02 0.08 89.10 Average: all 19.55 0.01 0.84 0.05 0.09 79.47 Average: 0 19.74 0.01 0.85 0.06 0.09 79.25 Average: 1 19.58 0.01 0.87 0.04 0.09 79.41 Average: 2 19.59 0.00 0.82 0.05 0.09 79.45 Average: 3 19.26 0.00 0.81 0.05 0.08 79.79