---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-47045 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 17G 61G 22% / 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 725 10704 4 4560 14920 Swap: 1023 1 1022 ---> 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:29:0d:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79982sec preferred_lft 79982sec inet6 fe80::f816:3eff:fe29:db8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:5c:b0:4e:4e:3d 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-16g-47045) 09/03/26 _x86_64_ (4 CPU) 06:42:16 LINUX RESTART (4 CPU) 06:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:46 73.12 21.75 48.50 2.87 297.10 8613.40 3156.25 07:10:42 16.90 0.23 15.81 0.86 8.15 404.28 824.66 07:20:38 13.32 0.11 12.46 0.75 5.68 654.29 702.37 07:30:23 13.92 0.03 13.30 0.59 1.20 393.12 834.66 07:40:37 7.82 0.01 7.50 0.31 0.99 194.34 167.46 07:50:46 6.96 0.01 6.60 0.35 1.58 206.83 327.35 08:00:01 5.61 0.02 5.38 0.21 1.18 154.01 82.67 08:10:46 4.47 0.00 4.31 0.16 0.14 129.99 99.23 08:20:46 8.57 0.02 8.11 0.43 1.07 526.67 154.10 Average: 17.07 2.59 13.74 0.74 36.93 1299.93 719.20 06:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:46 1430188 4971976 10959816 66.94 252848 3244984 12432076 71.36 2048884 12270156 284 07:10:42 3495056 7063312 8869760 54.17 255612 3268580 9558308 54.86 2086728 10185952 108 07:20:38 7887908 11567728 4368812 26.68 260856 3374052 5192392 29.80 2114604 5777952 108 07:30:23 9281812 13004388 2932708 17.91 263360 3414300 3659012 21.00 2121560 4391740 40 07:40:37 7597208 11341976 4594160 28.06 264664 3435172 5301724 30.43 2124208 6060868 76 07:50:46 6297268 10070488 5865288 35.82 265580 3462708 6661160 38.24 2127304 7340868 60 08:00:01 6192904 9983792 5951808 36.35 266072 3479892 6674756 38.31 2130348 7459764 112 08:10:46 7723888 11533776 4402616 26.89 266712 3498196 5188252 29.78 2132576 5931160 124 08:20:46 7423888 11353452 4582556 27.99 270728 3608536 5295820 30.40 2146632 6211316 236 Average: 6370013 10098988 5836392 35.65 262937 3420713 6662611 38.24 2114760 7292197 128 06:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:46 lo 22.71 22.71 17.97 17.97 0.00 0.00 0.00 0.00 07:00:46 ens3 2.17 1.90 0.69 0.58 0.00 0.00 0.00 0.00 07:00:46 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:42 lo 40.91 40.91 17.31 17.31 0.00 0.00 0.00 0.00 07:10:42 ens3 1.70 1.54 0.40 0.34 0.00 0.00 0.00 0.00 07:10:42 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:38 lo 19.85 19.85 8.45 8.45 0.00 0.00 0.00 0.00 07:20:38 ens3 1.00 0.99 0.26 0.23 0.00 0.00 0.00 0.00 07:20:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:23 lo 9.06 9.06 5.58 5.58 0.00 0.00 0.00 0.00 07:30:23 ens3 1.11 1.01 0.22 1.50 0.00 0.00 0.00 0.00 07:30:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:37 lo 19.39 19.39 9.27 9.27 0.00 0.00 0.00 0.00 07:40:37 ens3 0.69 0.74 0.14 0.13 0.00 0.00 0.00 0.00 07:40:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:46 lo 28.42 28.42 11.25 11.25 0.00 0.00 0.00 0.00 07:50:46 ens3 0.80 0.59 0.19 0.14 0.00 0.00 0.00 0.00 07:50:46 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 lo 21.19 21.19 10.67 10.67 0.00 0.00 0.00 0.00 08:00:01 ens3 1.00 0.72 0.30 0.23 0.00 0.00 0.00 0.00 08:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:46 lo 15.62 15.62 8.79 8.79 0.00 0.00 0.00 0.00 08:10:46 ens3 0.79 0.55 0.19 0.14 0.00 0.00 0.00 0.00 08:10:46 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:46 lo 14.04 14.04 7.60 7.60 0.00 0.00 0.00 0.00 08:20:46 ens3 1.19 0.86 0.37 0.29 0.00 0.00 0.00 0.00 08:20:46 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.24 21.24 10.81 10.81 0.00 0.00 0.00 0.00 Average: ens3 1.17 0.99 0.31 0.39 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-16g-47045) 09/03/26 _x86_64_ (4 CPU) 06:42:16 LINUX RESTART (4 CPU) 06:50:10 CPU %user %nice %system %iowait %steal %idle 07:00:46 all 55.20 0.00 2.86 0.28 0.03 41.63 07:00:46 0 54.81 0.00 2.93 0.54 0.03 41.69 07:00:46 1 55.24 0.00 2.81 0.18 0.03 41.74 07:00:46 2 55.45 0.00 2.78 0.20 0.03 41.54 07:00:46 3 55.32 0.00 2.91 0.20 0.03 41.54 07:10:42 all 34.53 0.00 1.59 0.07 0.05 63.76 07:10:42 0 33.73 0.00 1.80 0.09 0.04 64.34 07:10:42 1 34.56 0.00 1.68 0.05 0.05 63.66 07:10:42 2 35.05 0.00 1.52 0.07 0.05 63.31 07:10:42 3 34.79 0.00 1.36 0.06 0.05 63.73 07:20:38 all 22.40 0.00 1.16 0.06 0.03 76.35 07:20:38 0 22.77 0.00 1.13 0.05 0.03 76.02 07:20:38 1 21.67 0.00 1.05 0.08 0.03 77.17 07:20:38 2 23.15 0.00 1.25 0.11 0.04 75.47 07:20:38 3 22.01 0.00 1.20 0.02 0.03 76.74 07:30:23 all 19.30 0.00 0.79 0.06 0.04 79.81 07:30:23 0 19.15 0.00 0.90 0.09 0.04 79.82 07:30:23 1 18.78 0.00 0.70 0.03 0.04 80.46 07:30:23 2 19.95 0.00 0.83 0.05 0.03 79.13 07:30:23 3 19.33 0.00 0.74 0.07 0.03 79.83 07:40:37 all 13.16 0.00 0.62 0.04 0.03 86.16 07:40:37 0 13.97 0.00 0.52 0.03 0.02 85.45 07:40:37 1 13.11 0.00 0.70 0.01 0.03 86.15 07:40:37 2 13.14 0.00 0.61 0.08 0.03 86.14 07:40:37 3 12.41 0.00 0.64 0.02 0.03 86.90 07:50:46 all 14.18 0.00 0.76 0.03 0.02 85.00 07:50:46 0 14.56 0.00 0.79 0.01 0.03 84.61 07:50:46 1 14.40 0.00 0.70 0.02 0.02 84.86 07:50:46 2 14.39 0.00 0.80 0.07 0.02 84.72 07:50:46 3 13.37 0.00 0.76 0.02 0.02 85.83 08:00:01 all 10.96 0.00 0.65 0.02 0.03 88.34 08:00:01 0 11.22 0.00 0.71 0.02 0.02 88.03 08:00:01 1 11.01 0.00 0.69 0.02 0.03 88.24 08:00:01 2 10.69 0.00 0.62 0.03 0.02 88.64 08:00:01 3 10.92 0.00 0.57 0.03 0.03 88.46 08:10:46 all 7.42 0.00 0.51 0.03 0.03 92.01 08:10:46 0 6.94 0.00 0.48 0.05 0.03 92.50 08:10:46 1 7.58 0.00 0.52 0.01 0.03 91.85 08:10:46 2 7.51 0.00 0.53 0.05 0.03 91.88 08:10:46 3 7.65 0.00 0.50 0.01 0.03 91.81 08:20:46 all 13.16 0.00 0.66 0.04 0.02 86.11 08:20:46 0 12.84 0.00 0.70 0.07 0.02 86.36 08:20:46 1 13.16 0.00 0.69 0.01 0.02 86.12 08:20:46 2 13.14 0.00 0.61 0.02 0.02 86.22 08:20:46 3 13.51 0.00 0.66 0.05 0.02 85.75 Average: all 21.30 0.00 1.08 0.07 0.03 77.52 Average: 0 21.25 0.00 1.12 0.11 0.03 77.49 Average: 1 21.22 0.00 1.07 0.05 0.03 77.64 Average: 2 21.54 0.00 1.07 0.08 0.03 77.28 Average: 3 21.19 0.00 1.05 0.06 0.03 77.68