---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-13167 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: 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 708 10698 4 4582 14938 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:d3:23:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79635sec preferred_lft 79635sec inet6 fe80::f816:3eff:fed3:2308/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:6d:d5:bf:c4:25 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-13167) 02/18/26 _x86_64_ (4 CPU) 06:43:10 LINUX RESTART (4 CPU) 06:50:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:00 82.03 24.30 54.40 3.33 334.05 5756.32 3500.70 07:10:00 16.01 0.09 15.09 0.83 3.55 449.16 1681.73 07:20:00 6.94 0.17 6.39 0.38 8.81 246.88 1059.91 07:30:04 21.63 0.02 20.78 0.83 1.07 807.81 707.71 07:40:30 7.57 0.02 7.19 0.35 1.28 239.53 322.54 07:50:29 5.68 0.01 5.47 0.21 0.52 146.60 275.60 08:00:00 6.02 0.01 5.84 0.17 1.37 160.90 80.25 08:10:00 17.37 12.07 5.09 0.21 146.21 164.50 51.59 08:20:00 8.73 0.01 8.31 0.40 0.39 540.54 138.58 08:30:00 7.48 0.02 7.12 0.35 0.92 279.57 110.04 Average: 17.68 3.58 13.40 0.70 48.54 858.11 782.23 06:50:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:00 3618484 6973936 8958868 54.72 264004 3077644 9646604 55.37 2137460 10033896 80 07:10:00 4256088 7639976 8294152 50.66 265856 3104308 9919572 56.94 2173168 9374828 644 07:20:00 11838848 15324280 614016 3.75 269588 3202068 1336028 7.67 2193760 1793704 79880 07:30:04 10731828 14295132 1643080 10.04 272968 3276564 2973976 17.07 2218460 2879444 12112 07:40:30 7856448 11446972 4489796 27.42 273964 3302772 5254436 30.16 2220780 5738616 188 07:50:29 7721136 11329476 4607320 28.14 274520 3320032 5290452 30.37 2222028 5862948 72 08:00:00 6426684 10054468 5881612 35.92 275108 3338888 6649480 38.17 2224032 7153500 124 08:10:00 6189076 9893652 6042040 36.90 281628 3399636 6746500 38.72 2268712 7331992 260 08:20:00 7579056 11407956 4528476 27.66 285680 3513420 5278120 30.30 2277204 5943164 80 08:30:00 6707136 10584584 5351444 32.68 286572 3560836 6110456 35.07 2296396 6788244 248 Average: 7292478 10895043 5041080 30.79 274989 3309617 5920562 33.98 2223200 6290034 9369 06:50:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:00 lo 28.52 28.52 20.54 20.54 0.00 0.00 0.00 0.00 07:00:00 ens3 2.28 2.05 0.68 0.58 0.00 0.00 0.00 0.00 07:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:00 lo 43.53 43.53 17.53 17.53 0.00 0.00 0.00 0.00 07:10:00 ens3 2.73 1.62 0.70 1.52 0.00 0.00 0.00 0.00 07:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:00 lo 16.86 16.86 8.48 8.48 0.00 0.00 0.00 0.00 07:20:00 ens3 1.00 0.55 0.28 0.20 0.00 0.00 0.00 0.00 07:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:04 lo 12.12 12.12 6.15 6.15 0.00 0.00 0.00 0.00 07:30:04 ens3 1.17 0.82 0.26 0.20 0.00 0.00 0.00 0.00 07:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:30 lo 14.43 14.43 7.81 7.81 0.00 0.00 0.00 0.00 07:40:30 ens3 0.83 0.53 0.19 0.13 0.00 0.00 0.00 0.00 07:40:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:29 lo 23.12 23.12 9.11 9.11 0.00 0.00 0.00 0.00 07:50:29 ens3 2.18 0.59 0.40 0.21 0.00 0.00 0.00 0.00 07:50:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:00 lo 18.49 18.49 8.26 8.26 0.00 0.00 0.00 0.00 08:00:00 ens3 0.68 0.34 0.14 0.09 0.00 0.00 0.00 0.00 08:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:00 lo 19.93 19.93 10.70 10.70 0.00 0.00 0.00 0.00 08:10:00 ens3 1.09 0.63 0.32 0.23 0.00 0.00 0.00 0.00 08:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:00 lo 16.72 16.72 10.00 10.00 0.00 0.00 0.00 0.00 08:20:00 ens3 2.95 0.81 0.53 0.25 0.00 0.00 0.00 0.00 08:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:00 lo 26.17 26.17 10.96 10.96 0.00 0.00 0.00 0.00 08:30:00 ens3 2.21 0.75 0.39 0.22 0.00 0.00 0.00 0.00 08:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.94 21.94 10.91 10.91 0.00 0.00 0.00 0.00 Average: ens3 1.71 0.87 0.39 0.36 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-13167) 02/18/26 _x86_64_ (4 CPU) 06:43:10 LINUX RESTART (4 CPU) 06:50:26 CPU %user %nice %system %iowait %steal %idle 07:00:00 all 62.85 0.00 2.27 0.12 0.11 34.65 07:00:00 0 62.94 0.00 2.21 0.08 0.11 34.66 07:00:00 1 62.53 0.00 2.33 0.14 0.11 34.88 07:00:00 2 62.73 0.00 2.19 0.15 0.11 34.83 07:00:00 3 63.19 0.00 2.36 0.12 0.11 34.22 07:10:00 all 34.50 0.00 1.31 0.20 0.11 63.88 07:10:00 0 34.35 0.00 1.23 0.03 0.10 64.29 07:10:00 1 34.62 0.00 1.38 0.55 0.11 63.34 07:10:00 2 34.07 0.00 1.36 0.09 0.11 64.36 07:10:00 3 34.98 0.00 1.29 0.11 0.11 63.51 07:20:00 all 13.52 0.00 0.65 1.10 0.09 84.64 07:20:00 0 13.29 0.00 0.74 3.56 0.10 82.31 07:20:00 1 13.18 0.00 0.64 0.11 0.09 85.98 07:20:00 2 15.08 0.00 0.68 0.59 0.09 83.56 07:20:00 3 12.53 0.00 0.53 0.15 0.09 86.71 07:30:04 all 29.76 0.00 0.95 1.06 0.09 68.14 07:30:04 0 30.39 0.00 1.06 1.04 0.09 67.41 07:30:04 1 29.27 0.00 0.93 0.39 0.09 69.31 07:30:04 2 30.01 0.00 0.98 2.51 0.09 66.41 07:30:04 3 29.35 0.00 0.84 0.30 0.09 69.42 07:40:30 all 14.84 0.00 0.52 0.03 0.08 84.53 07:40:30 0 14.63 0.00 0.51 0.00 0.08 84.77 07:40:30 1 15.03 0.00 0.51 0.02 0.09 84.34 07:40:30 2 15.06 0.00 0.58 0.01 0.09 84.26 07:40:30 3 14.65 0.00 0.47 0.07 0.08 84.74 07:50:29 all 8.26 0.00 0.32 0.02 0.08 91.32 07:50:29 0 7.95 0.00 0.31 0.01 0.08 91.66 07:50:29 1 8.65 0.00 0.33 0.05 0.09 90.88 07:50:29 2 8.23 0.00 0.37 0.00 0.08 91.32 07:50:29 3 8.22 0.00 0.27 0.03 0.07 91.41 08:00:00 all 9.87 0.00 0.43 0.02 0.08 89.61 08:00:00 0 9.75 0.00 0.44 0.01 0.08 89.73 08:00:00 1 10.33 0.00 0.41 0.01 0.08 89.17 08:00:00 2 9.71 0.00 0.46 0.04 0.08 89.72 08:00:00 3 9.68 0.00 0.40 0.03 0.08 89.81 08:10:00 all 10.23 0.07 0.54 0.25 0.09 88.82 08:10:00 0 9.79 0.16 0.59 0.27 0.08 89.11 08:10:00 1 10.65 0.01 0.52 0.01 0.09 88.72 08:10:00 2 10.17 0.10 0.52 0.24 0.08 88.88 08:10:00 3 10.32 0.00 0.52 0.50 0.08 88.57 08:20:00 all 13.84 0.00 0.61 0.04 0.09 85.42 08:20:00 0 13.83 0.00 0.47 0.06 0.08 85.56 08:20:00 1 14.22 0.00 0.69 0.05 0.09 84.96 08:20:00 2 13.33 0.00 0.61 0.01 0.09 85.97 08:20:00 3 14.00 0.00 0.67 0.04 0.09 85.21 08:30:00 all 15.67 0.00 0.67 0.03 0.09 83.54 08:30:00 0 15.39 0.00 0.56 0.01 0.08 83.96 08:30:00 1 15.60 0.00 0.68 0.05 0.09 83.58 08:30:00 2 16.04 0.00 0.70 0.01 0.08 83.17 08:30:00 3 15.66 0.00 0.75 0.04 0.08 83.46 Average: all 21.17 0.01 0.82 0.29 0.09 77.62 Average: 0 21.07 0.02 0.81 0.51 0.09 77.51 Average: 1 21.24 0.00 0.84 0.14 0.09 77.69 Average: 2 21.28 0.01 0.84 0.37 0.09 77.42 Average: 3 21.10 0.00 0.80 0.14 0.09 77.87