---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-14099 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 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 702 11178 3 4107 14943 Swap: 1023 10 1013 ---> 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:62:f2:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79931sec preferred_lft 79931sec inet6 fe80::f816:3eff:fe62:f20a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:40:52:b5:f1:d1 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-14099) 02/18/26 _x86_64_ (4 CPU) 12:33:11 LINUX RESTART (4 CPU) 12:40:34 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:03 100.83 25.55 71.73 3.54 393.59 15272.14 4694.99 13:00:01 40.42 4.34 19.23 16.85 94.54 479.34 213702.42 13:10:12 13.95 0.34 13.04 0.57 14.48 600.76 787.25 13:20:12 15.60 0.11 14.86 0.63 2.73 426.73 320.15 13:30:01 5.04 0.01 4.92 0.12 0.41 124.01 65.62 13:40:12 4.91 0.01 4.74 0.16 1.11 134.77 80.44 13:50:12 5.84 0.03 5.63 0.18 0.91 143.48 76.64 14:00:01 4.73 0.01 4.57 0.14 0.46 136.91 63.18 14:10:12 8.32 0.02 7.99 0.31 0.98 517.90 432.60 14:20:12 9.36 2.24 6.73 0.39 134.72 1071.32 91.05 Average: 20.47 3.14 15.05 2.27 62.56 1819.35 22014.91 12:40:34 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:03 1844628 4902204 11028080 67.36 255488 2799624 12072820 69.30 1898968 12055892 2288 13:00:01 3045540 6160892 9771252 59.68 261160 2851632 11000368 63.14 1985320 10753352 452 13:10:12 10249456 13475080 2461676 15.03 265756 2957260 3207784 18.41 2027268 3561572 88 13:20:12 8154680 11429696 4506064 27.52 268024 3004396 5281684 30.32 2033568 5644160 232 13:30:01 8132316 11420848 4514808 27.57 268668 3017268 5229112 30.02 2034948 5666068 244 13:40:12 6554368 9859944 6075036 37.10 269176 3033800 6755928 38.78 2037084 7230072 176 13:50:12 6557616 9880040 6054836 36.98 269684 3050144 6789056 38.97 2040480 7221364 272 14:00:01 8123992 11464588 4471396 27.31 270196 3067808 5249644 30.13 2042708 5655076 320 14:10:12 8013308 11468092 4467696 27.29 273896 3175052 5136764 29.48 2057084 5751620 60 14:20:12 11576892 15389280 548344 3.35 276868 3521380 1179592 6.77 2121816 2124484 28588 Average: 7225280 10545066 5389919 32.92 267892 3047836 6190275 35.53 2027924 6566366 3272 12:40:34 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:03 lo 18.34 18.34 16.26 16.26 0.00 0.00 0.00 0.00 12:50:03 ens3 1.94 1.74 0.58 0.50 0.00 0.00 0.00 0.00 12:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 40.51 40.51 18.78 18.78 0.00 0.00 0.00 0.00 13:00:01 ens3 1.84 1.97 0.35 1.33 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 13:10:12 lo 24.86 24.86 9.42 9.42 0.00 0.00 0.00 0.00 13:10:12 ens3 1.53 1.05 0.49 0.37 0.00 0.00 0.00 0.00 13:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:12 lo 18.14 18.14 9.35 9.35 0.00 0.00 0.00 0.00 13:20:12 ens3 1.11 0.80 0.27 0.20 0.00 0.00 0.00 0.00 13:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 lo 19.55 19.55 8.51 8.51 0.00 0.00 0.00 0.00 13:30:01 ens3 0.72 0.54 0.15 0.11 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:12 lo 26.59 26.59 11.14 11.14 0.00 0.00 0.00 0.00 13:40:12 ens3 0.68 0.47 0.15 0.12 0.00 0.00 0.00 0.00 13:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:12 lo 14.73 14.73 7.89 7.89 0.00 0.00 0.00 0.00 13:50:12 ens3 0.55 0.41 0.11 0.08 0.00 0.00 0.00 0.00 13:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 lo 14.75 14.75 8.03 8.03 0.00 0.00 0.00 0.00 14:00:01 ens3 0.82 0.65 0.20 0.16 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:12 lo 10.38 10.38 5.92 5.92 0.00 0.00 0.00 0.00 14:10:12 ens3 0.71 0.58 0.22 0.17 0.00 0.00 0.00 0.00 14:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:12 lo 32.90 32.90 12.82 12.82 0.00 0.00 0.00 0.00 14:20:12 ens3 1.77 1.52 0.85 0.53 0.00 0.00 0.00 0.00 14:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.10 22.10 10.78 10.78 0.00 0.00 0.00 0.00 Average: ens3 1.16 0.97 0.34 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-14099) 02/18/26 _x86_64_ (4 CPU) 12:33:11 LINUX RESTART (4 CPU) 12:40:34 CPU %user %nice %system %iowait %steal %idle 12:50:03 all 53.42 0.00 2.09 3.83 0.12 40.53 12:50:03 0 52.39 0.00 1.97 1.99 0.12 43.54 12:50:03 1 54.42 0.00 2.19 5.99 0.13 37.27 12:50:03 2 52.49 0.00 2.10 5.70 0.12 39.59 12:50:03 3 54.40 0.00 2.12 1.64 0.12 41.72 13:00:01 all 44.13 0.00 1.64 0.23 0.13 53.87 13:00:01 0 44.43 0.00 1.60 0.33 0.12 53.51 13:00:01 1 43.46 0.00 1.61 0.08 0.13 54.71 13:00:01 2 44.46 0.00 1.64 0.06 0.13 53.71 13:00:01 3 44.17 0.00 1.72 0.43 0.13 53.54 13:10:12 all 20.37 0.00 1.00 1.05 0.11 77.46 13:10:12 0 19.49 0.00 1.05 0.85 0.11 78.50 13:10:12 1 20.34 0.00 1.08 2.57 0.10 75.90 13:10:12 2 21.21 0.00 0.98 0.46 0.11 77.23 13:10:12 3 20.44 0.00 0.90 0.34 0.10 78.23 13:20:12 all 28.08 0.00 0.93 0.07 0.09 70.84 13:20:12 0 27.54 0.00 0.83 0.04 0.09 71.50 13:20:12 1 27.65 0.00 0.99 0.09 0.09 71.18 13:20:12 2 27.92 0.00 0.95 0.04 0.10 70.99 13:20:12 3 29.21 0.00 0.93 0.10 0.08 69.67 13:30:01 all 8.99 0.00 0.39 0.03 0.07 90.53 13:30:01 0 8.84 0.00 0.36 0.04 0.06 90.70 13:30:01 1 8.61 0.00 0.37 0.04 0.07 90.91 13:30:01 2 8.89 0.00 0.33 0.02 0.07 90.70 13:30:01 3 9.61 0.00 0.48 0.01 0.07 89.83 13:40:12 all 10.25 0.00 0.50 0.02 0.07 89.16 13:40:12 0 10.69 0.00 0.50 0.04 0.07 88.70 13:40:12 1 10.29 0.00 0.52 0.03 0.08 89.09 13:40:12 2 10.24 0.00 0.48 0.02 0.07 89.19 13:40:12 3 9.76 0.00 0.49 0.01 0.07 89.66 13:50:12 all 9.55 0.00 0.48 0.16 0.07 89.74 13:50:12 0 9.85 0.00 0.41 0.15 0.07 89.53 13:50:12 1 9.74 0.00 0.48 0.38 0.07 89.32 13:50:12 2 9.87 0.00 0.61 0.09 0.09 89.34 13:50:12 3 8.72 0.00 0.42 0.02 0.07 90.77 14:00:01 all 8.13 0.00 0.36 0.28 0.07 91.16 14:00:01 0 8.38 0.00 0.38 0.44 0.08 90.73 14:00:01 1 8.48 0.00 0.44 0.20 0.07 90.81 14:00:01 2 8.25 0.00 0.32 0.37 0.07 90.99 14:00:01 3 7.41 0.00 0.31 0.12 0.06 92.10 14:10:12 all 13.36 0.00 0.50 0.36 0.19 85.60 14:10:12 0 12.84 0.00 0.43 0.23 0.20 86.30 14:10:12 1 13.37 0.00 0.55 0.87 0.20 85.00 14:10:12 2 12.96 0.00 0.49 0.10 0.16 86.30 14:10:12 3 14.26 0.00 0.51 0.22 0.21 84.79 14:20:12 all 11.01 0.00 0.57 0.14 0.08 88.20 14:20:12 0 10.09 0.00 0.53 0.05 0.07 89.25 14:20:12 1 11.01 0.00 0.55 0.07 0.08 88.30 14:20:12 2 11.22 0.00 0.57 0.26 0.08 87.87 14:20:12 3 11.73 0.00 0.64 0.17 0.07 87.38 Average: all 20.55 0.00 0.84 0.60 0.10 77.91 Average: 0 20.28 0.00 0.80 0.41 0.10 78.41 Average: 1 20.56 0.00 0.87 1.01 0.10 77.46 Average: 2 20.58 0.00 0.84 0.68 0.10 77.79 Average: 3 20.79 0.00 0.85 0.30 0.10 77.96